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4,700
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
AssignedUnits
func (mr *MockGenerationMockRecorder) AssignedUnits() *gomock.Call { return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AssignedUnits", reflect.TypeOf((*MockGeneration)(nil).AssignedUnits)) }
go
func (mr *MockGenerationMockRecorder) AssignedUnits() *gomock.Call { return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AssignedUnits", reflect.TypeOf((*MockGeneration)(nil).AssignedUnits)) }
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// AssignedUnits indicates an expected call of AssignedUnits
[ "AssignedUnits", "indicates", "an", "expected", "call", "of", "AssignedUnits" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L205-L207
4,701
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
Commit
func (m *MockGeneration) Commit(arg0 string) (int, error) { ret := m.ctrl.Call(m, "Commit", arg0) ret0, _ := ret[0].(int) ret1, _ := ret[1].(error) return ret0, ret1 }
go
func (m *MockGeneration) Commit(arg0 string) (int, error) { ret := m.ctrl.Call(m, "Commit", arg0) ret0, _ := ret[0].(int) ret1, _ := ret[1].(error) return ret0, ret1 }
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// Commit mocks base method
[ "Commit", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L222-L227
4,702
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
Created
func (m *MockGeneration) Created() int64 { ret := m.ctrl.Call(m, "Created") ret0, _ := ret[0].(int64) return ret0 }
go
func (m *MockGeneration) Created() int64 { ret := m.ctrl.Call(m, "Created") ret0, _ := ret[0].(int64) return ret0 }
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// Created mocks base method
[ "Created", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L247-L251
4,703
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
CreatedBy
func (m *MockGeneration) CreatedBy() string { ret := m.ctrl.Call(m, "CreatedBy") ret0, _ := ret[0].(string) return ret0 }
go
func (m *MockGeneration) CreatedBy() string { ret := m.ctrl.Call(m, "CreatedBy") ret0, _ := ret[0].(string) return ret0 }
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// CreatedBy mocks base method
[ "CreatedBy", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L259-L263
4,704
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
DefaultCharmConfig
func (m *MockApplication) DefaultCharmConfig() (charm_v6.Settings, error) { ret := m.ctrl.Call(m, "DefaultCharmConfig") ret0, _ := ret[0].(charm_v6.Settings) ret1, _ := ret[1].(error) return ret0, ret1 }
go
func (m *MockApplication) DefaultCharmConfig() (charm_v6.Settings, error) { ret := m.ctrl.Call(m, "DefaultCharmConfig") ret0, _ := ret[0].(charm_v6.Settings) ret1, _ := ret[1].(error) return ret0, ret1 }
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// DefaultCharmConfig mocks base method
[ "DefaultCharmConfig", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L294-L299
4,705
juju/juju
apiserver/facades/client/modelgeneration/mocks/package_mock.go
UnitNames
func (m *MockApplication) UnitNames() ([]string, error) { ret := m.ctrl.Call(m, "UnitNames") ret0, _ := ret[0].([]string) ret1, _ := ret[1].(error) return ret0, ret1 }
go
func (m *MockApplication) UnitNames() ([]string, error) { ret := m.ctrl.Call(m, "UnitNames") ret0, _ := ret[0].([]string) ret1, _ := ret[1].(error) return ret0, ret1 }
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// UnitNames mocks base method
[ "UnitNames", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/modelgeneration/mocks/package_mock.go#L307-L312
4,706
juju/juju
worker/lease/block.go
invoke
func (b block) invoke(ch chan<- block) error { for { select { case <-b.stop: return errStopped case <-b.cancel: return lease.ErrWaitCancelled case ch <- b: ch = nil case <-b.unblock: return nil } } }
go
func (b block) invoke(ch chan<- block) error { for { select { case <-b.stop: return errStopped case <-b.cancel: return lease.ErrWaitCancelled case ch <- b: ch = nil case <-b.unblock: return nil } } }
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// invoke sends the block request on the supplied channel, and waits for the // unblock channel to be closed.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/lease/block.go#L19-L32
4,707
juju/juju
worker/lease/block.go
add
func (b blocks) add(block block) { b[block.leaseKey] = append(b[block.leaseKey], block.unblock) }
go
func (b blocks) add(block block) { b[block.leaseKey] = append(b[block.leaseKey], block.unblock) }
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// add records the block's unblock channel under the block's lease key.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/lease/block.go#L39-L41
4,708
juju/juju
worker/lease/block.go
unblock
func (b blocks) unblock(lease lease.Key) { unblocks := b[lease] delete(b, lease) for _, unblock := range unblocks { close(unblock) } }
go
func (b blocks) unblock(lease lease.Key) { unblocks := b[lease] delete(b, lease) for _, unblock := range unblocks { close(unblock) } }
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// unblock closes all channels added under the supplied key and removes // them from blocks.
[ "unblock", "closes", "all", "channels", "added", "under", "the", "supplied", "key", "and", "removes", "them", "from", "blocks", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/lease/block.go#L45-L51
4,709
juju/juju
worker/upgradesteps/worker.go
NewLock
func NewLock(agentConfig agent.Config) gate.Lock { lock := gate.NewLock() if wrench.IsActive(wrenchKey(agentConfig), "always-try-upgrade") { // Always enter upgrade mode. This allows test of upgrades // even when there's actually no upgrade steps to run. return lock } // Build numbers are irrelevant to upgrade steps. upgradedToVersion := agentConfig.UpgradedToVersion() upgradedToVersion.Build = 0 currentVersion := jujuversion.Current currentVersion.Build = 0 if upgradedToVersion == currentVersion { logger.Infof( "upgrade steps for %v have already been run.", jujuversion.Current, ) lock.Unlock() } return lock }
go
func NewLock(agentConfig agent.Config) gate.Lock { lock := gate.NewLock() if wrench.IsActive(wrenchKey(agentConfig), "always-try-upgrade") { // Always enter upgrade mode. This allows test of upgrades // even when there's actually no upgrade steps to run. return lock } // Build numbers are irrelevant to upgrade steps. upgradedToVersion := agentConfig.UpgradedToVersion() upgradedToVersion.Build = 0 currentVersion := jujuversion.Current currentVersion.Build = 0 if upgradedToVersion == currentVersion { logger.Infof( "upgrade steps for %v have already been run.", jujuversion.Current, ) lock.Unlock() } return lock }
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// NewLock creates a gate.Lock to be used to synchronise workers which // need to start after upgrades have completed. The returned Lock should // be passed to NewWorker. If the agent has already upgraded to the // current version, then the lock will be returned in the released state.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/upgradesteps/worker.go#L58-L81
4,710
juju/juju
worker/upgradesteps/worker.go
NewWorker
func NewWorker( upgradeComplete gate.Lock, agent agent.Agent, apiConn api.Connection, jobs []multiwatcher.MachineJob, openState func() (*state.StatePool, error), preUpgradeSteps func(st *state.StatePool, agentConf agent.Config, isController, isMasterServer, isCaas bool) error, machine StatusSetter, isCaas bool, ) (worker.Worker, error) { w := &upgradesteps{ upgradeComplete: upgradeComplete, agent: agent, apiConn: apiConn, jobs: jobs, openState: openState, preUpgradeSteps: preUpgradeSteps, machine: machine, tag: agent.CurrentConfig().Tag(), isCaas: isCaas, } w.tomb.Go(w.run) return w, nil }
go
func NewWorker( upgradeComplete gate.Lock, agent agent.Agent, apiConn api.Connection, jobs []multiwatcher.MachineJob, openState func() (*state.StatePool, error), preUpgradeSteps func(st *state.StatePool, agentConf agent.Config, isController, isMasterServer, isCaas bool) error, machine StatusSetter, isCaas bool, ) (worker.Worker, error) { w := &upgradesteps{ upgradeComplete: upgradeComplete, agent: agent, apiConn: apiConn, jobs: jobs, openState: openState, preUpgradeSteps: preUpgradeSteps, machine: machine, tag: agent.CurrentConfig().Tag(), isCaas: isCaas, } w.tomb.Go(w.run) return w, nil }
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// NewWorker returns a new instance of the upgradesteps worker. It // will run any required steps to upgrade to the currently running // Juju version.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/upgradesteps/worker.go#L92-L115
4,711
juju/juju
worker/upgradesteps/worker.go
runUpgrades
func (w *upgradesteps) runUpgrades() error { upgradeInfo, err := w.prepareForUpgrade() if err != nil { return err } if wrench.IsActive(w.wrenchKey(), "fail-upgrade") { return errors.New("wrench") } if err := w.agent.ChangeConfig(w.runUpgradeSteps); err != nil { return err } if err := w.finaliseUpgrade(upgradeInfo); err != nil { return err } return nil }
go
func (w *upgradesteps) runUpgrades() error { upgradeInfo, err := w.prepareForUpgrade() if err != nil { return err } if wrench.IsActive(w.wrenchKey(), "fail-upgrade") { return errors.New("wrench") } if err := w.agent.ChangeConfig(w.runUpgradeSteps); err != nil { return err } if err := w.finaliseUpgrade(upgradeInfo); err != nil { return err } return nil }
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// runUpgrades runs the upgrade operations for each job type and // updates the updatedToVersion on success.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/upgradesteps/worker.go#L243-L261
4,712
juju/juju
worker/upgradesteps/worker.go
runUpgradeSteps
func (w *upgradesteps) runUpgradeSteps(agentConfig agent.ConfigSetter) error { var upgradeErr error w.machine.SetStatus(status.Started, fmt.Sprintf("upgrading to %v", w.toVersion), nil) stBackend := upgrades.NewStateBackend(w.pool) context := upgrades.NewContext(agentConfig, w.apiConn, stBackend) logger.Infof("starting upgrade from %v to %v for %q", w.fromVersion, w.toVersion, w.tag) targets := jobsToTargets(w.jobs, w.isMaster) attempts := getUpgradeRetryStrategy() for attempt := attempts.Start(); attempt.Next(); { upgradeErr = PerformUpgrade(w.fromVersion, targets, context) if upgradeErr == nil { break } if cmdutil.ConnectionIsDead(logger, w.apiConn) { // API connection has gone away - abort! return &apiLostDuringUpgrade{upgradeErr} } if attempt.HasNext() { w.reportUpgradeFailure(upgradeErr, true) } } if upgradeErr != nil { return upgradeErr } agentConfig.SetUpgradedToVersion(w.toVersion) return nil }
go
func (w *upgradesteps) runUpgradeSteps(agentConfig agent.ConfigSetter) error { var upgradeErr error w.machine.SetStatus(status.Started, fmt.Sprintf("upgrading to %v", w.toVersion), nil) stBackend := upgrades.NewStateBackend(w.pool) context := upgrades.NewContext(agentConfig, w.apiConn, stBackend) logger.Infof("starting upgrade from %v to %v for %q", w.fromVersion, w.toVersion, w.tag) targets := jobsToTargets(w.jobs, w.isMaster) attempts := getUpgradeRetryStrategy() for attempt := attempts.Start(); attempt.Next(); { upgradeErr = PerformUpgrade(w.fromVersion, targets, context) if upgradeErr == nil { break } if cmdutil.ConnectionIsDead(logger, w.apiConn) { // API connection has gone away - abort! return &apiLostDuringUpgrade{upgradeErr} } if attempt.HasNext() { w.reportUpgradeFailure(upgradeErr, true) } } if upgradeErr != nil { return upgradeErr } agentConfig.SetUpgradedToVersion(w.toVersion) return nil }
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// runUpgradeSteps runs the required upgrade steps for the agent, // retrying on failure. The agent's UpgradedToVersion is set // once the upgrade is complete. // // This function conforms to the agent.ConfigMutator type and is // designed to be called via an agent's ChangeConfig method.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/upgradesteps/worker.go#L357-L385
4,713
juju/juju
worker/upgradesteps/worker.go
jobsToTargets
func jobsToTargets(jobs []multiwatcher.MachineJob, isMaster bool) (targets []upgrades.Target) { if jobs == nil { return } for _, job := range jobs { switch job { case multiwatcher.JobManageModel: targets = append(targets, upgrades.Controller) if isMaster { targets = append(targets, upgrades.DatabaseMaster) } case multiwatcher.JobHostUnits: targets = append(targets, upgrades.HostMachine) } } return }
go
func jobsToTargets(jobs []multiwatcher.MachineJob, isMaster bool) (targets []upgrades.Target) { if jobs == nil { return } for _, job := range jobs { switch job { case multiwatcher.JobManageModel: targets = append(targets, upgrades.Controller) if isMaster { targets = append(targets, upgrades.DatabaseMaster) } case multiwatcher.JobHostUnits: targets = append(targets, upgrades.HostMachine) } } return }
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// jobsToTargets determines the upgrade targets corresponding to the // jobs assigned to an agent. This determines the upgrade steps // which will run during an upgrade.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/upgradesteps/worker.go#L468-L484
4,714
juju/juju
worker/applicationscaler/worker.go
Validate
func (config Config) Validate() error { if config.Facade == nil { return errors.NotValidf("nil Facade") } return nil }
go
func (config Config) Validate() error { if config.Facade == nil { return errors.NotValidf("nil Facade") } return nil }
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// Validate returns an error if the config can't be expected // to run a functional worker.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/applicationscaler/worker.go#L32-L37
4,715
juju/juju
worker/applicationscaler/worker.go
New
func New(config Config) (worker.Worker, error) { if err := config.Validate(); err != nil { return nil, errors.Trace(err) } swConfig := watcher.StringsConfig{ Handler: &handler{config}, } return watcher.NewStringsWorker(swConfig) }
go
func New(config Config) (worker.Worker, error) { if err := config.Validate(); err != nil { return nil, errors.Trace(err) } swConfig := watcher.StringsConfig{ Handler: &handler{config}, } return watcher.NewStringsWorker(swConfig) }
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// New returns a worker that will attempt to rescale any // applications that might be undersized.
[ "New", "returns", "a", "worker", "that", "will", "attempt", "to", "rescale", "any", "applications", "that", "might", "be", "undersized", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/applicationscaler/worker.go#L41-L49
4,716
juju/juju
worker/applicationscaler/worker.go
Handle
func (handler *handler) Handle(_ <-chan struct{}, applications []string) error { return handler.config.Facade.Rescale(applications) }
go
func (handler *handler) Handle(_ <-chan struct{}, applications []string) error { return handler.config.Facade.Rescale(applications) }
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// Handle is part of the watcher.StringsHandler interface.
[ "Handle", "is", "part", "of", "the", "watcher", ".", "StringsHandler", "interface", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/applicationscaler/worker.go#L63-L65
4,717
juju/juju
state/presence/presence.go
docIDInt64
func docIDInt64(modelUUID string, localID int64) string { return modelUUID + ":" + strconv.FormatInt(localID, 10) }
go
func docIDInt64(modelUUID string, localID int64) string { return modelUUID + ":" + strconv.FormatInt(localID, 10) }
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// docIDInt64 generates a globally unique id value // where the model uuid is prefixed to the // given int64 localID.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L50-L52
4,718
juju/juju
state/presence/presence.go
NewDeadWatcher
func NewDeadWatcher(err error) *Watcher { var w Watcher w.tomb.Kill(errors.Trace(err)) return &w }
go
func NewDeadWatcher(err error) *Watcher { var w Watcher w.tomb.Kill(errors.Trace(err)) return &w }
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// NewDeadWatcher returns a new watcher that is already dead // and always returns the given error from its Err method.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L168-L172
4,719
juju/juju
state/presence/presence.go
NewWatcher
func NewWatcher(base *mgo.Collection, modelTag names.ModelTag) *Watcher { w := &Watcher{ modelUUID: modelTag.Id(), base: base, pings: pingsC(base), beings: beingsC(base), beingKey: make(map[int64]string), beingSeq: make(map[string]int64), watches: make(map[string][]chan<- Change), request: make(chan interface{}), ignoredSeqs: make(map[int64]string), } w.tomb.Go(func() error { err := w.loop() cause := errors.Cause(err) // tomb expects ErrDying or ErrStillAlive as // exact values, so we need to log and unwrap // the error first. if err != nil && cause != tomb.ErrDying { logger.Infof("watcher loop failed: %v", err) } return cause }) return w }
go
func NewWatcher(base *mgo.Collection, modelTag names.ModelTag) *Watcher { w := &Watcher{ modelUUID: modelTag.Id(), base: base, pings: pingsC(base), beings: beingsC(base), beingKey: make(map[int64]string), beingSeq: make(map[string]int64), watches: make(map[string][]chan<- Change), request: make(chan interface{}), ignoredSeqs: make(map[int64]string), } w.tomb.Go(func() error { err := w.loop() cause := errors.Cause(err) // tomb expects ErrDying or ErrStillAlive as // exact values, so we need to log and unwrap // the error first. if err != nil && cause != tomb.ErrDying { logger.Infof("watcher loop failed: %v", err) } return cause }) return w }
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// NewWatcher returns a new Watcher.
[ "NewWatcher", "returns", "a", "new", "Watcher", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L175-L199
4,720
juju/juju
state/presence/presence.go
Watch
func (w *Watcher) Watch(key string, ch chan<- Change) { w.sendReq(reqWatch{key, ch}) }
go
func (w *Watcher) Watch(key string, ch chan<- Change) { w.sendReq(reqWatch{key, ch}) }
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// Watch starts watching the liveness of key. An event will // be sent onto ch to report the initial status for the key, and // from then on a new event will be sent whenever a change is // detected. Change values sent to the channel must be consumed, // or the whole watcher will blocked.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L260-L262
4,721
juju/juju
state/presence/presence.go
Unwatch
func (w *Watcher) Unwatch(key string, ch chan<- Change) { w.sendReq(reqUnwatch{key, ch}) }
go
func (w *Watcher) Unwatch(key string, ch chan<- Change) { w.sendReq(reqUnwatch{key, ch}) }
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// Unwatch stops watching the liveness of key via ch.
[ "Unwatch", "stops", "watching", "the", "liveness", "of", "key", "via", "ch", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L265-L267
4,722
juju/juju
state/presence/presence.go
Sync
func (w *Watcher) Sync() { done := make(chan bool) w.sendReq(reqSync{done}) select { case <-done: case <-w.tomb.Dying(): } }
go
func (w *Watcher) Sync() { done := make(chan bool) w.sendReq(reqSync{done}) select { case <-done: case <-w.tomb.Dying(): } }
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// Sync forces the watcher to load new events from the database and blocks // until all events have been dispatched.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L276-L283
4,723
juju/juju
state/presence/presence.go
Alive
func (w *Watcher) Alive(key string) (bool, error) { result := make(chan bool, 1) w.sendReq(reqAlive{key, result}) var alive bool select { case alive = <-result: case <-w.tomb.Dying(): return false, errors.Errorf("cannot check liveness: watcher is dying") } logger.Tracef("[%s] Alive(%q) -> %v", w.modelUUID[:6], key, alive) return alive, nil }
go
func (w *Watcher) Alive(key string) (bool, error) { result := make(chan bool, 1) w.sendReq(reqAlive{key, result}) var alive bool select { case alive = <-result: case <-w.tomb.Dying(): return false, errors.Errorf("cannot check liveness: watcher is dying") } logger.Tracef("[%s] Alive(%q) -> %v", w.modelUUID[:6], key, alive) return alive, nil }
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// Alive returns whether the key is currently considered alive by w, // or an error in case the watcher is dying.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L287-L298
4,724
juju/juju
state/presence/presence.go
loop
func (w *Watcher) loop() error { var err error if w.delta, err = clockDelta(w.base); err != nil { return errors.Trace(err) } // Always sync before handling request. if err := w.sync(); err != nil { return errors.Trace(err) } w.next = time.After(time.Duration(period) * time.Second) for { select { case <-w.tomb.Dying(): return errors.Trace(tomb.ErrDying) case <-w.next: w.next = time.After(time.Duration(period) * time.Second) syncDone := w.syncDone w.syncDone = nil if err := w.sync(); err != nil { return errors.Trace(err) } w.flush() for _, done := range syncDone { close(done) } w.syncsSinceLastPrune++ w.checkShouldPrune() case req := <-w.request: w.handle(req) w.flush() } } }
go
func (w *Watcher) loop() error { var err error if w.delta, err = clockDelta(w.base); err != nil { return errors.Trace(err) } // Always sync before handling request. if err := w.sync(); err != nil { return errors.Trace(err) } w.next = time.After(time.Duration(period) * time.Second) for { select { case <-w.tomb.Dying(): return errors.Trace(tomb.ErrDying) case <-w.next: w.next = time.After(time.Duration(period) * time.Second) syncDone := w.syncDone w.syncDone = nil if err := w.sync(); err != nil { return errors.Trace(err) } w.flush() for _, done := range syncDone { close(done) } w.syncsSinceLastPrune++ w.checkShouldPrune() case req := <-w.request: w.handle(req) w.flush() } } }
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// loop implements the main watcher loop.
[ "loop", "implements", "the", "main", "watcher", "loop", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L307-L339
4,725
juju/juju
state/presence/presence.go
checkShouldPrune
func (w *Watcher) checkShouldPrune() { chanceToPrune := float64(w.syncsSinceLastPrune) * psuedoRandomFactor if chanceToPrune < 1.0 && rand.Float64() > chanceToPrune { return } // When we decide to prune, we also drop our old cached beings logger.Debugf("watcher %q decided to prune %q and %q", w.modelUUID, w.beings.Name, w.pings.Name) w.syncsSinceLastPrune = 0 pruner := NewPruner(w.modelUUID, w.beings, w.pings, w.delta) err := pruner.Prune(w.ignoredSeqs) if err != nil { logger.Warningf("error while pruning %q for %q: %v", w.beings.Name, w.modelUUID, err) } }
go
func (w *Watcher) checkShouldPrune() { chanceToPrune := float64(w.syncsSinceLastPrune) * psuedoRandomFactor if chanceToPrune < 1.0 && rand.Float64() > chanceToPrune { return } // When we decide to prune, we also drop our old cached beings logger.Debugf("watcher %q decided to prune %q and %q", w.modelUUID, w.beings.Name, w.pings.Name) w.syncsSinceLastPrune = 0 pruner := NewPruner(w.modelUUID, w.beings, w.pings, w.delta) err := pruner.Prune(w.ignoredSeqs) if err != nil { logger.Warningf("error while pruning %q for %q: %v", w.beings.Name, w.modelUUID, err) } }
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// checkShouldPrune looks at whether we should run a prune step this time
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L369-L382
4,726
juju/juju
state/presence/presence.go
decompressPings
func decompressPings(maps []map[string]int64) ([]int64, error) { if len(maps) == 0 { return nil, nil } // First step, merge all value structures together. // Every ping has a bit field in an int64. However, bitwise-or preserves // everything that was ever alive without having to decode them multiple times. baseToBits := make(map[string]int64, len(maps[0])) for i := range maps { for hexbase, bits := range maps[i] { baseToBits[hexbase] |= bits } } sequences := make([]int64, 0, len(baseToBits)*30) for hexbase, bits := range baseToBits { base, err := strconv.ParseInt(hexbase, 16, 64) if err != nil { return nil, errors.Annotatef(err, "presence cannot parse alive key: %q", base) } base *= 63 for i := int64(0); i < 63 && bits > 0; i++ { on := (bits&1 == 1) bits >>= 1 if !on { continue } seq := base + i sequences = append(sequences, seq) } } return sequences, nil }
go
func decompressPings(maps []map[string]int64) ([]int64, error) { if len(maps) == 0 { return nil, nil } // First step, merge all value structures together. // Every ping has a bit field in an int64. However, bitwise-or preserves // everything that was ever alive without having to decode them multiple times. baseToBits := make(map[string]int64, len(maps[0])) for i := range maps { for hexbase, bits := range maps[i] { baseToBits[hexbase] |= bits } } sequences := make([]int64, 0, len(baseToBits)*30) for hexbase, bits := range baseToBits { base, err := strconv.ParseInt(hexbase, 16, 64) if err != nil { return nil, errors.Annotatef(err, "presence cannot parse alive key: %q", base) } base *= 63 for i := int64(0); i < 63 && bits > 0; i++ { on := (bits&1 == 1) bits >>= 1 if !on { continue } seq := base + i sequences = append(sequences, seq) } } return sequences, nil }
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// decompressPings looks at a map like 'Alive' and turns it into an array of // sequences that were seen in those maps
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L475-L506
4,727
juju/juju
state/presence/presence.go
sync
func (w *Watcher) sync() error { session := w.pings.Database.Session.Copy() defer session.Close() pings, err := w.lookupPings(session) if err != nil { return err } dead, err := w.lookForDead(pings) if err != nil { return err } alive, unknownSeqs, err := w.handleAlive(pings) if err != nil { return err } err = w.lookupUnknownSeqs(unknownSeqs, dead, session) if err != nil { return err } // Pingers that were known to be alive and haven't reported // in the last two slots are now considered dead. Dispatch // the respective events and forget their sequences. for seq, key := range w.beingKey { if dead[seq] || !alive[seq] { logger.Tracef("[%s] removing seq=%d with key %q", w.modelUUID[:6], seq, key) delete(w.beingKey, seq) delete(w.beingSeq, key) for _, ch := range w.watches[key] { w.pending = append(w.pending, event{ch, key, false}) } } } return nil }
go
func (w *Watcher) sync() error { session := w.pings.Database.Session.Copy() defer session.Close() pings, err := w.lookupPings(session) if err != nil { return err } dead, err := w.lookForDead(pings) if err != nil { return err } alive, unknownSeqs, err := w.handleAlive(pings) if err != nil { return err } err = w.lookupUnknownSeqs(unknownSeqs, dead, session) if err != nil { return err } // Pingers that were known to be alive and haven't reported // in the last two slots are now considered dead. Dispatch // the respective events and forget their sequences. for seq, key := range w.beingKey { if dead[seq] || !alive[seq] { logger.Tracef("[%s] removing seq=%d with key %q", w.modelUUID[:6], seq, key) delete(w.beingKey, seq) delete(w.beingSeq, key) for _, ch := range w.watches[key] { w.pending = append(w.pending, event{ch, key, false}) } } } return nil }
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// sync updates the watcher knowledge from the database, and // queues events to observing channels. It fetches the last two time // slots and compares the union of both to the in-memory state.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L655-L689
4,728
juju/juju
state/presence/presence.go
NewPinger
func NewPinger(base *mgo.Collection, modelTag names.ModelTag, key string, recorderFunc func() PingRecorder) *Pinger { return &Pinger{ base: base, pings: pingsC(base), beingKey: key, modelUUID: modelTag.Id(), recorderFunc: recorderFunc, } }
go
func NewPinger(base *mgo.Collection, modelTag names.ModelTag, key string, recorderFunc func() PingRecorder) *Pinger { return &Pinger{ base: base, pings: pingsC(base), beingKey: key, modelUUID: modelTag.Id(), recorderFunc: recorderFunc, } }
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// NewPinger returns a new Pinger to report that key is alive. // It starts reporting after Start is called.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L715-L723
4,729
juju/juju
state/presence/presence.go
Start
func (p *Pinger) Start() error { p.mu.Lock() defer p.mu.Unlock() if p.started { return errors.Errorf("pinger already started") } p.tomb = tomb.Tomb{} if err := p.prepare(); err != nil { return errors.Trace(err) } logger.Tracef("[%s] starting pinger for %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) if err := p.ping(); err != nil { return errors.Trace(err) } p.started = true p.tomb.Go(func() error { err := p.loop() cause := errors.Cause(err) // tomb expects ErrDying or ErrStillAlive as // exact values, so we need to log and unwrap // the error first. if err != nil && cause != tomb.ErrDying { logger.Infof("pinger loop failed: %v", err) } return cause }) return nil }
go
func (p *Pinger) Start() error { p.mu.Lock() defer p.mu.Unlock() if p.started { return errors.Errorf("pinger already started") } p.tomb = tomb.Tomb{} if err := p.prepare(); err != nil { return errors.Trace(err) } logger.Tracef("[%s] starting pinger for %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) if err := p.ping(); err != nil { return errors.Trace(err) } p.started = true p.tomb.Go(func() error { err := p.loop() cause := errors.Cause(err) // tomb expects ErrDying or ErrStillAlive as // exact values, so we need to log and unwrap // the error first. if err != nil && cause != tomb.ErrDying { logger.Infof("pinger loop failed: %v", err) } return cause }) return nil }
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// Start starts periodically reporting that p's key is alive.
[ "Start", "starts", "periodically", "reporting", "that", "p", "s", "key", "is", "alive", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L726-L753
4,730
juju/juju
state/presence/presence.go
Stop
func (p *Pinger) Stop() error { p.mu.Lock() defer p.mu.Unlock() if p.started { logger.Tracef("[%s] stopping pinger for %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) } p.tomb.Kill(nil) err := p.tomb.Wait() // TODO ping one more time to guarantee a late timeout. p.started = false return errors.Trace(err) }
go
func (p *Pinger) Stop() error { p.mu.Lock() defer p.mu.Unlock() if p.started { logger.Tracef("[%s] stopping pinger for %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) } p.tomb.Kill(nil) err := p.tomb.Wait() // TODO ping one more time to guarantee a late timeout. p.started = false return errors.Trace(err) }
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// Stop stops p's periodical ping. // Watchers will not notice p has stopped pinging until the // previous ping times out.
[ "Stop", "stops", "p", "s", "periodical", "ping", ".", "Watchers", "will", "not", "notice", "p", "has", "stopped", "pinging", "until", "the", "previous", "ping", "times", "out", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L769-L781
4,731
juju/juju
state/presence/presence.go
killStarted
func (p *Pinger) killStarted() error { p.tomb.Kill(nil) killErr := p.tomb.Wait() p.started = false slot := p.lastSlot udoc := bson.D{ {"$set", bson.D{{"slot", slot}}}, {"$inc", bson.D{{"dead." + p.fieldKey, p.fieldBit}}}} session := p.pings.Database.Session.Copy() defer session.Close() pings := p.pings.With(session) if _, err := pings.UpsertId(docIDInt64(p.modelUUID, slot), udoc); err != nil { return errors.Trace(err) } return errors.Trace(killErr) }
go
func (p *Pinger) killStarted() error { p.tomb.Kill(nil) killErr := p.tomb.Wait() p.started = false slot := p.lastSlot udoc := bson.D{ {"$set", bson.D{{"slot", slot}}}, {"$inc", bson.D{{"dead." + p.fieldKey, p.fieldBit}}}} session := p.pings.Database.Session.Copy() defer session.Close() pings := p.pings.With(session) if _, err := pings.UpsertId(docIDInt64(p.modelUUID, slot), udoc); err != nil { return errors.Trace(err) } return errors.Trace(killErr) }
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// killStarted kills the pinger while it is running, by first // stopping it and then recording in the last pinged slot that // the pinger was killed.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L799-L815
4,732
juju/juju
state/presence/presence.go
killStopped
func (p *Pinger) killStopped() error { if err := p.prepare(); err != nil { return err } // TODO(perrito666) 2016-05-02 lp:1558657 slot := timeSlot(time.Now(), p.delta) udoc := bson.D{ {"$set", bson.D{{"slot", slot}}}, {"$inc", bson.D{ {"dead." + p.fieldKey, p.fieldBit}, {"alive." + p.fieldKey, p.fieldBit}, }}} session := p.pings.Database.Session.Copy() defer session.Close() pings := p.pings.With(session) _, err := pings.UpsertId(docIDInt64(p.modelUUID, slot), udoc) return errors.Trace(err) }
go
func (p *Pinger) killStopped() error { if err := p.prepare(); err != nil { return err } // TODO(perrito666) 2016-05-02 lp:1558657 slot := timeSlot(time.Now(), p.delta) udoc := bson.D{ {"$set", bson.D{{"slot", slot}}}, {"$inc", bson.D{ {"dead." + p.fieldKey, p.fieldBit}, {"alive." + p.fieldKey, p.fieldBit}, }}} session := p.pings.Database.Session.Copy() defer session.Close() pings := p.pings.With(session) _, err := pings.UpsertId(docIDInt64(p.modelUUID, slot), udoc) return errors.Trace(err) }
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// killStopped kills the pinger while it is not running, by // first allocating a new sequence, and then atomically recording // the new sequence both as alive and dead at once.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L820-L837
4,733
juju/juju
state/presence/presence.go
loop
func (p *Pinger) loop() error { for { select { case <-p.tomb.Dying(): return errors.Trace(tomb.ErrDying) case <-time.After(time.Duration(float64(period+1)*0.75) * time.Second): if err := p.ping(); err != nil { return errors.Trace(err) } } } }
go
func (p *Pinger) loop() error { for { select { case <-p.tomb.Dying(): return errors.Trace(tomb.ErrDying) case <-time.After(time.Duration(float64(period+1)*0.75) * time.Second): if err := p.ping(); err != nil { return errors.Trace(err) } } } }
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// loop is the main pinger loop that runs while it is // in started state.
[ "loop", "is", "the", "main", "pinger", "loop", "that", "runs", "while", "it", "is", "in", "started", "state", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L841-L852
4,734
juju/juju
state/presence/presence.go
prepare
func (p *Pinger) prepare() error { change := mgo.Change{ Update: bson.D{{"$inc", bson.D{{"seq", int64(1)}}}}, Upsert: true, ReturnNew: true, } session := p.base.Database.Session.Copy() defer session.Close() base := p.base.With(session) seqs := seqsC(base) var seq struct{ Seq int64 } seqID := docIDStr(p.modelUUID, "beings") if _, err := seqs.FindId(seqID).Apply(change, &seq); err != nil { return errors.Trace(err) } p.beingSeq = seq.Seq p.fieldKey = fmt.Sprintf("%x", p.beingSeq/63) p.fieldBit = 1 << uint64(p.beingSeq%63) p.lastSlot = 0 beings := beingsC(base) return errors.Trace(beings.Insert( beingInfo{ DocID: docIDInt64(p.modelUUID, p.beingSeq), Seq: p.beingSeq, Key: p.beingKey, }, )) }
go
func (p *Pinger) prepare() error { change := mgo.Change{ Update: bson.D{{"$inc", bson.D{{"seq", int64(1)}}}}, Upsert: true, ReturnNew: true, } session := p.base.Database.Session.Copy() defer session.Close() base := p.base.With(session) seqs := seqsC(base) var seq struct{ Seq int64 } seqID := docIDStr(p.modelUUID, "beings") if _, err := seqs.FindId(seqID).Apply(change, &seq); err != nil { return errors.Trace(err) } p.beingSeq = seq.Seq p.fieldKey = fmt.Sprintf("%x", p.beingSeq/63) p.fieldBit = 1 << uint64(p.beingSeq%63) p.lastSlot = 0 beings := beingsC(base) return errors.Trace(beings.Insert( beingInfo{ DocID: docIDInt64(p.modelUUID, p.beingSeq), Seq: p.beingSeq, Key: p.beingKey, }, )) }
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// prepare allocates a new unique sequence for the // pinger key and prepares the pinger to use it.
[ "prepare", "allocates", "a", "new", "unique", "sequence", "for", "the", "pinger", "key", "and", "prepares", "the", "pinger", "to", "use", "it", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L856-L883
4,735
juju/juju
state/presence/presence.go
ping
func (p *Pinger) ping() (err error) { logger.Tracef("[%s] pinging %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) defer func() { // If the session is killed from underneath us, it panics when we // try to copy it, so deal with that here. if v := recover(); v != nil { err = fmt.Errorf("%v", v) } }() if p.delta == 0 { session := p.pings.Database.Session.Copy() defer session.Close() base := p.base.With(session) delta, err := clockDelta(base) if err != nil { return errors.Trace(err) } p.delta = delta } // TODO(perrito666) 2016-05-02 lp:1558657 slot := timeSlot(time.Now(), p.delta) if slot == p.lastSlot { // Never, ever, ping the same slot twice. // The increment below would corrupt the slot. return nil } p.lastSlot = slot p.recorderFunc().Ping(p.modelUUID, slot, p.fieldKey, p.fieldBit) return errors.Trace(err) }
go
func (p *Pinger) ping() (err error) { logger.Tracef("[%s] pinging %q with seq=%d", p.modelUUID[:6], p.beingKey, p.beingSeq) defer func() { // If the session is killed from underneath us, it panics when we // try to copy it, so deal with that here. if v := recover(); v != nil { err = fmt.Errorf("%v", v) } }() if p.delta == 0 { session := p.pings.Database.Session.Copy() defer session.Close() base := p.base.With(session) delta, err := clockDelta(base) if err != nil { return errors.Trace(err) } p.delta = delta } // TODO(perrito666) 2016-05-02 lp:1558657 slot := timeSlot(time.Now(), p.delta) if slot == p.lastSlot { // Never, ever, ping the same slot twice. // The increment below would corrupt the slot. return nil } p.lastSlot = slot p.recorderFunc().Ping(p.modelUUID, slot, p.fieldKey, p.fieldBit) return errors.Trace(err) }
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// ping records updates the current time slot with the // sequence in use by the pinger.
[ "ping", "records", "updates", "the", "current", "time", "slot", "with", "the", "sequence", "in", "use", "by", "the", "pinger", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L887-L916
4,736
juju/juju
state/presence/presence.go
clockDelta
func clockDelta(c *mgo.Collection) (time.Duration, error) { var server struct { time.Time `bson:"retval"` } var isMaster struct { LocalTime time.Time `bson:"localTime"` } var after time.Time var before time.Time var serverDelay time.Duration supportsMasterLocalTime := true session := c.Database.Session.Copy() defer session.Close() db := c.Database.With(session) for i := 0; i < 10; i++ { if supportsMasterLocalTime { // Try isMaster.localTime, which is present since MongoDB 2.2 // and does not require admin privileges. // TODO(perrito666) 2016-05-02 lp:1558657 before = time.Now() err := db.Run("isMaster", &isMaster) // TODO(perrito666) 2016-05-02 lp:1558657 after = time.Now() if err != nil { return 0, errors.Trace(err) } if isMaster.LocalTime.IsZero() { supportsMasterLocalTime = false continue } else { serverDelay = isMaster.LocalTime.Sub(before) } } else { // If MongoDB doesn't have localTime as part of // isMaster result, it means that the server is likely // a MongoDB older than 2.2. // // Fallback to 'eval' works fine on versions older than // 2.4 where it does not require admin privileges. // // NOTE: 'eval' takes a global write lock unless you // specify 'nolock' (which we are not doing below, for // no apparent reason), so it is quite likely that the // eval could take a relatively long time to acquire // the lock and thus cause a retry on the callDelay // check below on a busy server. // TODO(perrito666) 2016-05-02 lp:1558657 before = time.Now() err := db.Run(bson.D{{"$eval", "function() { return new Date(); }"}}, &server) // TODO(perrito666) 2016-05-02 lp:1558657 after = time.Now() if err != nil { return 0, errors.Trace(err) } serverDelay = server.Sub(before) } // If the call to the server takes longer than a few seconds we // retry it a couple more times before giving up. It is unclear // why the retry would help at all here. // // If the server takes longer than the specified amount of time // on every single try, then we simply give up. callDelay := after.Sub(before) if callDelay > 5*time.Second { continue } return serverDelay, nil } return 0, errors.Errorf("cannot synchronize clock with database server") }
go
func clockDelta(c *mgo.Collection) (time.Duration, error) { var server struct { time.Time `bson:"retval"` } var isMaster struct { LocalTime time.Time `bson:"localTime"` } var after time.Time var before time.Time var serverDelay time.Duration supportsMasterLocalTime := true session := c.Database.Session.Copy() defer session.Close() db := c.Database.With(session) for i := 0; i < 10; i++ { if supportsMasterLocalTime { // Try isMaster.localTime, which is present since MongoDB 2.2 // and does not require admin privileges. // TODO(perrito666) 2016-05-02 lp:1558657 before = time.Now() err := db.Run("isMaster", &isMaster) // TODO(perrito666) 2016-05-02 lp:1558657 after = time.Now() if err != nil { return 0, errors.Trace(err) } if isMaster.LocalTime.IsZero() { supportsMasterLocalTime = false continue } else { serverDelay = isMaster.LocalTime.Sub(before) } } else { // If MongoDB doesn't have localTime as part of // isMaster result, it means that the server is likely // a MongoDB older than 2.2. // // Fallback to 'eval' works fine on versions older than // 2.4 where it does not require admin privileges. // // NOTE: 'eval' takes a global write lock unless you // specify 'nolock' (which we are not doing below, for // no apparent reason), so it is quite likely that the // eval could take a relatively long time to acquire // the lock and thus cause a retry on the callDelay // check below on a busy server. // TODO(perrito666) 2016-05-02 lp:1558657 before = time.Now() err := db.Run(bson.D{{"$eval", "function() { return new Date(); }"}}, &server) // TODO(perrito666) 2016-05-02 lp:1558657 after = time.Now() if err != nil { return 0, errors.Trace(err) } serverDelay = server.Sub(before) } // If the call to the server takes longer than a few seconds we // retry it a couple more times before giving up. It is unclear // why the retry would help at all here. // // If the server takes longer than the specified amount of time // on every single try, then we simply give up. callDelay := after.Sub(before) if callDelay > 5*time.Second { continue } return serverDelay, nil } return 0, errors.Errorf("cannot synchronize clock with database server") }
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// clockDelta returns the approximate skew between // the local clock and the database clock.
[ "clockDelta", "returns", "the", "approximate", "skew", "between", "the", "local", "clock", "and", "the", "database", "clock", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L927-L996
4,737
juju/juju
state/presence/presence.go
timeSlot
func timeSlot(now time.Time, delta time.Duration) int64 { fakeMutex.Lock() fake := !fakeNow.IsZero() if fake { now = fakeNow } slot := now.Add(delta).Unix() slot -= slot % period if fake { slot += int64(fakeOffset) * period } fakeMutex.Unlock() return slot }
go
func timeSlot(now time.Time, delta time.Duration) int64 { fakeMutex.Lock() fake := !fakeNow.IsZero() if fake { now = fakeNow } slot := now.Add(delta).Unix() slot -= slot % period if fake { slot += int64(fakeOffset) * period } fakeMutex.Unlock() return slot }
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// timeSlot returns the current time slot, in seconds since the // epoch, for the provided now time. The delta skew is applied // to the now time to improve the synchronization with a // centrally agreed time. // // The result of this method may be manipulated for test purposes // by fakeTimeSlot and realTimeSlot.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L1005-L1018
4,738
juju/juju
state/presence/presence.go
realTimeSlot
func realTimeSlot() { fakeMutex.Lock() fakeNow = time.Time{} fakeOffset = 0 fakeMutex.Unlock() logger.Infof("not faking presence time. Real time slot in use.") }
go
func realTimeSlot() { fakeMutex.Lock() fakeNow = time.Time{} fakeOffset = 0 fakeMutex.Unlock() logger.Infof("not faking presence time. Real time slot in use.") }
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// realTimeSlot disables the hardcoding introduced by fakeTimeSlot.
[ "realTimeSlot", "disables", "the", "hardcoding", "introduced", "by", "fakeTimeSlot", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L1041-L1047
4,739
juju/juju
state/presence/presence.go
RemovePresenceForModel
func RemovePresenceForModel(base *mgo.Collection, modelTag names.ModelTag) error { errs := make([]error, 0) for _, f := range []func(*mgo.Collection) *mgo.Collection{pingsC, beingsC, seqsC} { err := removeModelFromCollection(f(base), modelTag.Id()) if err != nil { errs = append(errs, err) } } if len(errs) != 0 { return errors.Errorf("errors removing presence for model %q: %v", modelTag.Id(), errs) } return nil }
go
func RemovePresenceForModel(base *mgo.Collection, modelTag names.ModelTag) error { errs := make([]error, 0) for _, f := range []func(*mgo.Collection) *mgo.Collection{pingsC, beingsC, seqsC} { err := removeModelFromCollection(f(base), modelTag.Id()) if err != nil { errs = append(errs, err) } } if len(errs) != 0 { return errors.Errorf("errors removing presence for model %q: %v", modelTag.Id(), errs) } return nil }
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// RemovePresenceForModel removes all of the records of entities for a given model // across all of the collections.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/presence/presence.go#L1078-L1090
4,740
juju/juju
cmd/juju/space/space.go
CheckName
func CheckName(name string) (string, error) { // Validate given name. if !names.IsValidSpace(name) { return "", errors.Errorf("%q is not a valid space name", name) } return name, nil }
go
func CheckName(name string) (string, error) { // Validate given name. if !names.IsValidSpace(name) { return "", errors.Errorf("%q is not a valid space name", name) } return name, nil }
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// CheckName checks whether name is a valid space name.
[ "CheckName", "checks", "whether", "name", "is", "a", "valid", "space", "name", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/cmd/juju/space/space.go#L86-L92
4,741
juju/juju
cmd/juju/space/space.go
CheckCIDRs
func CheckCIDRs(args []string, cidrsOptional bool) (set.Strings, error) { // Validate any given CIDRs. CIDRs := set.NewStrings() for _, arg := range args { _, ipNet, err := net.ParseCIDR(arg) if err != nil { logger.Debugf("cannot parse %q: %v", arg, err) return CIDRs, errors.Errorf("%q is not a valid CIDR", arg) } cidr := ipNet.String() if CIDRs.Contains(cidr) { if cidr == arg { return CIDRs, errors.Errorf("duplicate subnet %q specified", cidr) } return CIDRs, errors.Errorf("subnet %q overlaps with %q", arg, cidr) } CIDRs.Add(cidr) } if CIDRs.IsEmpty() && !cidrsOptional { return CIDRs, errors.New("CIDRs required but not provided") } return CIDRs, nil }
go
func CheckCIDRs(args []string, cidrsOptional bool) (set.Strings, error) { // Validate any given CIDRs. CIDRs := set.NewStrings() for _, arg := range args { _, ipNet, err := net.ParseCIDR(arg) if err != nil { logger.Debugf("cannot parse %q: %v", arg, err) return CIDRs, errors.Errorf("%q is not a valid CIDR", arg) } cidr := ipNet.String() if CIDRs.Contains(cidr) { if cidr == arg { return CIDRs, errors.Errorf("duplicate subnet %q specified", cidr) } return CIDRs, errors.Errorf("subnet %q overlaps with %q", arg, cidr) } CIDRs.Add(cidr) } if CIDRs.IsEmpty() && !cidrsOptional { return CIDRs, errors.New("CIDRs required but not provided") } return CIDRs, nil }
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// CheckCIDRs parses the list of strings as CIDRs, checking for // correct formatting, no duplication and no overlaps. Returns error // if no CIDRs are provided, unless cidrsOptional is true.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/cmd/juju/space/space.go#L97-L121
4,742
juju/juju
cmd/juju/space/space.go
NewAPI
func (c *SpaceCommandBase) NewAPI() (SpaceAPI, error) { if c.api != nil { // Already addd. return c.api, nil } root, err := c.NewAPIRoot() if err != nil { return nil, errors.Trace(err) } // This is tested with a feature test. shim := &mvpAPIShim{ apiState: root, facade: spaces.NewAPI(root), } return shim, nil }
go
func (c *SpaceCommandBase) NewAPI() (SpaceAPI, error) { if c.api != nil { // Already addd. return c.api, nil } root, err := c.NewAPIRoot() if err != nil { return nil, errors.Trace(err) } // This is tested with a feature test. shim := &mvpAPIShim{ apiState: root, facade: spaces.NewAPI(root), } return shim, nil }
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// NewAPI returns a SpaceAPI for the root api endpoint that the // environment command returns.
[ "NewAPI", "returns", "a", "SpaceAPI", "for", "the", "root", "api", "endpoint", "that", "the", "environment", "command", "returns", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/cmd/juju/space/space.go#L150-L166
4,743
juju/juju
worker/uniter/resolver/loop.go
updateCharmDir
func updateCharmDir(opState operation.State, guard fortress.Guard, abort fortress.Abort) error { var changing bool // Determine if the charm content is changing. if opState.Kind == operation.Install || opState.Kind == operation.Upgrade { changing = true } else if opState.Kind == operation.RunHook && opState.Hook != nil && opState.Hook.Kind == hooks.UpgradeCharm { changing = true } available := opState.Started && !opState.Stopped && !changing logger.Tracef("charmdir: available=%v opState: started=%v stopped=%v changing=%v", available, opState.Started, opState.Stopped, changing) if available { return guard.Unlock() } else { return guard.Lockdown(abort) } }
go
func updateCharmDir(opState operation.State, guard fortress.Guard, abort fortress.Abort) error { var changing bool // Determine if the charm content is changing. if opState.Kind == operation.Install || opState.Kind == operation.Upgrade { changing = true } else if opState.Kind == operation.RunHook && opState.Hook != nil && opState.Hook.Kind == hooks.UpgradeCharm { changing = true } available := opState.Started && !opState.Stopped && !changing logger.Tracef("charmdir: available=%v opState: started=%v stopped=%v changing=%v", available, opState.Started, opState.Stopped, changing) if available { return guard.Unlock() } else { return guard.Lockdown(abort) } }
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// updateCharmDir sets charm directory availability for sharing among // concurrent workers according to local operation state.
[ "updateCharmDir", "sets", "charm", "directory", "availability", "for", "sharing", "among", "concurrent", "workers", "according", "to", "local", "operation", "state", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/uniter/resolver/loop.go#L111-L129
4,744
juju/juju
caas/kubernetes/provider/mocks/storagev1_mock.go
NewMockStorageV1Interface
func NewMockStorageV1Interface(ctrl *gomock.Controller) *MockStorageV1Interface { mock := &MockStorageV1Interface{ctrl: ctrl} mock.recorder = &MockStorageV1InterfaceMockRecorder{mock} return mock }
go
func NewMockStorageV1Interface(ctrl *gomock.Controller) *MockStorageV1Interface { mock := &MockStorageV1Interface{ctrl: ctrl} mock.recorder = &MockStorageV1InterfaceMockRecorder{mock} return mock }
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// NewMockStorageV1Interface creates a new mock instance
[ "NewMockStorageV1Interface", "creates", "a", "new", "mock", "instance" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/caas/kubernetes/provider/mocks/storagev1_mock.go#L31-L35
4,745
juju/juju
caas/kubernetes/provider/mocks/storagev1_mock.go
StorageClasses
func (m *MockStorageV1Interface) StorageClasses() v11.StorageClassInterface { ret := m.ctrl.Call(m, "StorageClasses") ret0, _ := ret[0].(v11.StorageClassInterface) return ret0 }
go
func (m *MockStorageV1Interface) StorageClasses() v11.StorageClassInterface { ret := m.ctrl.Call(m, "StorageClasses") ret0, _ := ret[0].(v11.StorageClassInterface) return ret0 }
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// StorageClasses mocks base method
[ "StorageClasses", "mocks", "base", "method" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/caas/kubernetes/provider/mocks/storagev1_mock.go#L55-L59
4,746
juju/juju
caas/kubernetes/provider/mocks/storagev1_mock.go
NewMockStorageClassInterface
func NewMockStorageClassInterface(ctrl *gomock.Controller) *MockStorageClassInterface { mock := &MockStorageClassInterface{ctrl: ctrl} mock.recorder = &MockStorageClassInterfaceMockRecorder{mock} return mock }
go
func NewMockStorageClassInterface(ctrl *gomock.Controller) *MockStorageClassInterface { mock := &MockStorageClassInterface{ctrl: ctrl} mock.recorder = &MockStorageClassInterfaceMockRecorder{mock} return mock }
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// NewMockStorageClassInterface creates a new mock instance
[ "NewMockStorageClassInterface", "creates", "a", "new", "mock", "instance" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/caas/kubernetes/provider/mocks/storagev1_mock.go#L78-L82
4,747
juju/juju
state/modelmigration.go
Phase
func (mig *modelMigration) Phase() (migration.Phase, error) { phase, ok := migration.ParsePhase(mig.statusDoc.Phase) if !ok { return phase, errors.Errorf("invalid phase in DB: %v", mig.statusDoc.Phase) } return phase, nil }
go
func (mig *modelMigration) Phase() (migration.Phase, error) { phase, ok := migration.ParsePhase(mig.statusDoc.Phase) if !ok { return phase, errors.Errorf("invalid phase in DB: %v", mig.statusDoc.Phase) } return phase, nil }
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// Phase implements ModelMigration.
[ "Phase", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L250-L256
4,748
juju/juju
state/modelmigration.go
TargetInfo
func (mig *modelMigration) TargetInfo() (*migration.TargetInfo, error) { authTag, err := names.ParseUserTag(mig.doc.TargetAuthTag) if err != nil { return nil, errors.Trace(err) } macs, err := jsonToMacaroons(mig.doc.TargetMacaroons) if err != nil { return nil, errors.Trace(err) } return &migration.TargetInfo{ ControllerTag: names.NewControllerTag(mig.doc.TargetController), ControllerAlias: mig.doc.TargetControllerAlias, Addrs: mig.doc.TargetAddrs, CACert: mig.doc.TargetCACert, AuthTag: authTag, Password: mig.doc.TargetPassword, Macaroons: macs, }, nil }
go
func (mig *modelMigration) TargetInfo() (*migration.TargetInfo, error) { authTag, err := names.ParseUserTag(mig.doc.TargetAuthTag) if err != nil { return nil, errors.Trace(err) } macs, err := jsonToMacaroons(mig.doc.TargetMacaroons) if err != nil { return nil, errors.Trace(err) } return &migration.TargetInfo{ ControllerTag: names.NewControllerTag(mig.doc.TargetController), ControllerAlias: mig.doc.TargetControllerAlias, Addrs: mig.doc.TargetAddrs, CACert: mig.doc.TargetCACert, AuthTag: authTag, Password: mig.doc.TargetPassword, Macaroons: macs, }, nil }
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// TargetInfo implements ModelMigration.
[ "TargetInfo", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L274-L292
4,749
juju/juju
state/modelmigration.go
SetPhase
func (mig *modelMigration) SetPhase(nextPhase migration.Phase) error { now := mig.st.clock().Now().UnixNano() phase, err := mig.Phase() if err != nil { return errors.Trace(err) } if nextPhase == phase { return nil // Already at that phase. Nothing to do. } if !phase.CanTransitionTo(nextPhase) { return errors.Errorf("illegal phase change: %s -> %s", phase, nextPhase) } nextDoc := mig.statusDoc nextDoc.Phase = nextPhase.String() nextDoc.PhaseChangedTime = now update := bson.M{ "phase": nextDoc.Phase, "phase-changed-time": now, } if nextPhase == migration.SUCCESS { nextDoc.SuccessTime = now update["success-time"] = now } ops, err := migStatusHistoryAndOps(mig.st, nextPhase, now, mig.StatusMessage()) if err != nil { return errors.Trace(err) } // If the migration aborted, make the model active again. if nextPhase == migration.ABORTDONE { ops = append(ops, txn.Op{ C: modelsC, Id: mig.doc.ModelUUID, Assert: txn.DocExists, Update: bson.M{ "$set": bson.M{"migration-mode": MigrationModeNone}, }, }) } // Set end timestamps and mark migration as no longer active if a // terminal phase is hit. if nextPhase.IsTerminal() { nextDoc.EndTime = now update["end-time"] = now ops = append(ops, txn.Op{ C: migrationsActiveC, Id: mig.doc.ModelUUID, Assert: txn.DocExists, Remove: true, }) } ops = append(ops, txn.Op{ C: migrationsStatusC, Id: mig.statusDoc.Id, Update: bson.M{"$set": update}, // Ensure phase hasn't changed underneath us Assert: bson.M{"phase": mig.statusDoc.Phase}, }) if err := mig.st.db().RunTransaction(ops); err == txn.ErrAborted { return errors.New("phase already changed") } else if err != nil { return errors.Annotate(err, "failed to update phase") } mig.statusDoc = nextDoc return nil }
go
func (mig *modelMigration) SetPhase(nextPhase migration.Phase) error { now := mig.st.clock().Now().UnixNano() phase, err := mig.Phase() if err != nil { return errors.Trace(err) } if nextPhase == phase { return nil // Already at that phase. Nothing to do. } if !phase.CanTransitionTo(nextPhase) { return errors.Errorf("illegal phase change: %s -> %s", phase, nextPhase) } nextDoc := mig.statusDoc nextDoc.Phase = nextPhase.String() nextDoc.PhaseChangedTime = now update := bson.M{ "phase": nextDoc.Phase, "phase-changed-time": now, } if nextPhase == migration.SUCCESS { nextDoc.SuccessTime = now update["success-time"] = now } ops, err := migStatusHistoryAndOps(mig.st, nextPhase, now, mig.StatusMessage()) if err != nil { return errors.Trace(err) } // If the migration aborted, make the model active again. if nextPhase == migration.ABORTDONE { ops = append(ops, txn.Op{ C: modelsC, Id: mig.doc.ModelUUID, Assert: txn.DocExists, Update: bson.M{ "$set": bson.M{"migration-mode": MigrationModeNone}, }, }) } // Set end timestamps and mark migration as no longer active if a // terminal phase is hit. if nextPhase.IsTerminal() { nextDoc.EndTime = now update["end-time"] = now ops = append(ops, txn.Op{ C: migrationsActiveC, Id: mig.doc.ModelUUID, Assert: txn.DocExists, Remove: true, }) } ops = append(ops, txn.Op{ C: migrationsStatusC, Id: mig.statusDoc.Id, Update: bson.M{"$set": update}, // Ensure phase hasn't changed underneath us Assert: bson.M{"phase": mig.statusDoc.Phase}, }) if err := mig.st.db().RunTransaction(ops); err == txn.ErrAborted { return errors.New("phase already changed") } else if err != nil { return errors.Annotate(err, "failed to update phase") } mig.statusDoc = nextDoc return nil }
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// SetPhase implements ModelMigration.
[ "SetPhase", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L295-L368
4,750
juju/juju
state/modelmigration.go
migStatusHistoryAndOps
func migStatusHistoryAndOps(st *State, phase migration.Phase, now int64, msg string) ([]txn.Op, error) { switch phase { case migration.REAP, migration.DONE: // if we're reaping/have reaped the model, setting status on it is both // pointless and potentially problematic. return nil, nil } model, err := st.Model() if err != nil { return nil, errors.Trace(err) } globalKey := model.globalKey() modelStatus := status.Busy if phase.IsTerminal() { modelStatus = status.Available } if msg != "" { msg = "migrating: " + msg } doc := statusDoc{ Status: modelStatus, StatusInfo: msg, Updated: now, } ops, err := statusSetOps(st.db(), doc, globalKey) if err != nil { return nil, errors.Trace(err) } probablyUpdateStatusHistory(st.db(), globalKey, doc) return ops, nil }
go
func migStatusHistoryAndOps(st *State, phase migration.Phase, now int64, msg string) ([]txn.Op, error) { switch phase { case migration.REAP, migration.DONE: // if we're reaping/have reaped the model, setting status on it is both // pointless and potentially problematic. return nil, nil } model, err := st.Model() if err != nil { return nil, errors.Trace(err) } globalKey := model.globalKey() modelStatus := status.Busy if phase.IsTerminal() { modelStatus = status.Available } if msg != "" { msg = "migrating: " + msg } doc := statusDoc{ Status: modelStatus, StatusInfo: msg, Updated: now, } ops, err := statusSetOps(st.db(), doc, globalKey) if err != nil { return nil, errors.Trace(err) } probablyUpdateStatusHistory(st.db(), globalKey, doc) return ops, nil }
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// migStatusHistoryAndOps sets the model's status history and returns ops for // setting model status according to the phase and message.
[ "migStatusHistoryAndOps", "sets", "the", "model", "s", "status", "history", "and", "returns", "ops", "for", "setting", "model", "status", "according", "to", "the", "phase", "and", "message", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L372-L403
4,751
juju/juju
state/modelmigration.go
SetStatusMessage
func (mig *modelMigration) SetStatusMessage(text string) error { phase, err := mig.Phase() if err != nil { return errors.Trace(err) } ops, err := migStatusHistoryAndOps(mig.st, phase, mig.st.clock().Now().UnixNano(), text) if err != nil { return errors.Trace(err) } ops = append(ops, txn.Op{ C: migrationsStatusC, Id: mig.statusDoc.Id, Update: bson.M{"$set": bson.M{"status-message": text}}, Assert: txn.DocExists, }) if err := mig.st.db().RunTransaction(ops); err != nil { return errors.Annotate(err, "failed to set migration status") } mig.statusDoc.StatusMessage = text return nil }
go
func (mig *modelMigration) SetStatusMessage(text string) error { phase, err := mig.Phase() if err != nil { return errors.Trace(err) } ops, err := migStatusHistoryAndOps(mig.st, phase, mig.st.clock().Now().UnixNano(), text) if err != nil { return errors.Trace(err) } ops = append(ops, txn.Op{ C: migrationsStatusC, Id: mig.statusDoc.Id, Update: bson.M{"$set": bson.M{"status-message": text}}, Assert: txn.DocExists, }) if err := mig.st.db().RunTransaction(ops); err != nil { return errors.Annotate(err, "failed to set migration status") } mig.statusDoc.StatusMessage = text return nil }
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// SetStatusMessage implements ModelMigration.
[ "SetStatusMessage", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L406-L428
4,752
juju/juju
state/modelmigration.go
SubmitMinionReport
func (mig *modelMigration) SubmitMinionReport(tag names.Tag, phase migration.Phase, success bool) error { globalKey, err := agentTagToGlobalKey(tag) if err != nil { return errors.Trace(err) } docID := mig.minionReportId(phase, globalKey) doc := modelMigMinionSyncDoc{ Id: docID, MigrationId: mig.Id(), Phase: phase.String(), EntityKey: globalKey, Time: mig.st.clock().Now().UnixNano(), Success: success, } ops := []txn.Op{{ C: migrationsMinionSyncC, Id: docID, Insert: doc, Assert: txn.DocMissing, }} err = mig.st.db().RunTransaction(ops) if errors.Cause(err) == txn.ErrAborted { coll, closer := mig.st.db().GetCollection(migrationsMinionSyncC) defer closer() var existingDoc modelMigMinionSyncDoc err := coll.FindId(docID).Select(bson.M{"success": 1}).One(&existingDoc) if err != nil { return errors.Annotate(err, "checking existing report") } if existingDoc.Success != success { return errors.Errorf("conflicting reports received for %s/%s/%s", mig.Id(), phase.String(), tag) } return nil } else if err != nil { return errors.Trace(err) } return nil }
go
func (mig *modelMigration) SubmitMinionReport(tag names.Tag, phase migration.Phase, success bool) error { globalKey, err := agentTagToGlobalKey(tag) if err != nil { return errors.Trace(err) } docID := mig.minionReportId(phase, globalKey) doc := modelMigMinionSyncDoc{ Id: docID, MigrationId: mig.Id(), Phase: phase.String(), EntityKey: globalKey, Time: mig.st.clock().Now().UnixNano(), Success: success, } ops := []txn.Op{{ C: migrationsMinionSyncC, Id: docID, Insert: doc, Assert: txn.DocMissing, }} err = mig.st.db().RunTransaction(ops) if errors.Cause(err) == txn.ErrAborted { coll, closer := mig.st.db().GetCollection(migrationsMinionSyncC) defer closer() var existingDoc modelMigMinionSyncDoc err := coll.FindId(docID).Select(bson.M{"success": 1}).One(&existingDoc) if err != nil { return errors.Annotate(err, "checking existing report") } if existingDoc.Success != success { return errors.Errorf("conflicting reports received for %s/%s/%s", mig.Id(), phase.String(), tag) } return nil } else if err != nil { return errors.Trace(err) } return nil }
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// SubmitMinionReport implements ModelMigration.
[ "SubmitMinionReport", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L431-L469
4,753
juju/juju
state/modelmigration.go
MinionReports
func (mig *modelMigration) MinionReports() (*MinionReports, error) { all, err := mig.getAllAgents() if err != nil { return nil, errors.Trace(err) } phase, err := mig.Phase() if err != nil { return nil, errors.Annotate(err, "retrieving phase") } coll, closer := mig.st.db().GetCollection(migrationsMinionSyncC) defer closer() query := coll.Find(bson.M{"_id": bson.M{ "$regex": "^" + mig.minionReportId(phase, ".+"), }}) query = query.Select(bson.M{ "entity-key": 1, "success": 1, }) var docs []bson.M if err := query.All(&docs); err != nil { return nil, errors.Annotate(err, "retrieving minion reports") } succeeded := names.NewSet() failed := names.NewSet() for _, doc := range docs { entityKey, ok := doc["entity-key"].(string) if !ok { return nil, errors.Errorf("unexpected entity-key %v", doc["entity-key"]) } tag, err := globalKeyToAgentTag(entityKey) if err != nil { return nil, errors.Trace(err) } success, ok := doc["success"].(bool) if !ok { return nil, errors.Errorf("unexpected success value: %v", doc["success"]) } if success { succeeded.Add(tag) } else { failed.Add(tag) } } unknown := all.Difference(succeeded).Difference(failed) return &MinionReports{ Succeeded: succeeded.Values(), Failed: failed.Values(), Unknown: unknown.Values(), }, nil }
go
func (mig *modelMigration) MinionReports() (*MinionReports, error) { all, err := mig.getAllAgents() if err != nil { return nil, errors.Trace(err) } phase, err := mig.Phase() if err != nil { return nil, errors.Annotate(err, "retrieving phase") } coll, closer := mig.st.db().GetCollection(migrationsMinionSyncC) defer closer() query := coll.Find(bson.M{"_id": bson.M{ "$regex": "^" + mig.minionReportId(phase, ".+"), }}) query = query.Select(bson.M{ "entity-key": 1, "success": 1, }) var docs []bson.M if err := query.All(&docs); err != nil { return nil, errors.Annotate(err, "retrieving minion reports") } succeeded := names.NewSet() failed := names.NewSet() for _, doc := range docs { entityKey, ok := doc["entity-key"].(string) if !ok { return nil, errors.Errorf("unexpected entity-key %v", doc["entity-key"]) } tag, err := globalKeyToAgentTag(entityKey) if err != nil { return nil, errors.Trace(err) } success, ok := doc["success"].(bool) if !ok { return nil, errors.Errorf("unexpected success value: %v", doc["success"]) } if success { succeeded.Add(tag) } else { failed.Add(tag) } } unknown := all.Difference(succeeded).Difference(failed) return &MinionReports{ Succeeded: succeeded.Values(), Failed: failed.Values(), Unknown: unknown.Values(), }, nil }
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// MinionReports implements ModelMigration.
[ "MinionReports", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L472-L526
4,754
juju/juju
state/modelmigration.go
WatchMinionReports
func (mig *modelMigration) WatchMinionReports() (NotifyWatcher, error) { phase, err := mig.Phase() if err != nil { return nil, errors.Annotate(err, "retrieving phase") } prefix := mig.minionReportId(phase, "") filter := func(rawId interface{}) bool { id, ok := rawId.(string) if !ok { return false } return strings.HasPrefix(id, prefix) } return newNotifyCollWatcher(mig.st, migrationsMinionSyncC, filter), nil }
go
func (mig *modelMigration) WatchMinionReports() (NotifyWatcher, error) { phase, err := mig.Phase() if err != nil { return nil, errors.Annotate(err, "retrieving phase") } prefix := mig.minionReportId(phase, "") filter := func(rawId interface{}) bool { id, ok := rawId.(string) if !ok { return false } return strings.HasPrefix(id, prefix) } return newNotifyCollWatcher(mig.st, migrationsMinionSyncC, filter), nil }
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// WatchMinionReports implements ModelMigration.
[ "WatchMinionReports", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L529-L543
4,755
juju/juju
state/modelmigration.go
Refresh
func (mig *modelMigration) Refresh() error { // Only the status document is updated. The modelMigDoc is static // after creation. statusColl, closer := mig.st.db().GetCollection(migrationsStatusC) defer closer() var statusDoc modelMigStatusDoc err := statusColl.FindId(mig.doc.Id).One(&statusDoc) if err == mgo.ErrNotFound { return errors.NotFoundf("migration status") } else if err != nil { return errors.Annotate(err, "migration status lookup failed") } mig.statusDoc = statusDoc return nil }
go
func (mig *modelMigration) Refresh() error { // Only the status document is updated. The modelMigDoc is static // after creation. statusColl, closer := mig.st.db().GetCollection(migrationsStatusC) defer closer() var statusDoc modelMigStatusDoc err := statusColl.FindId(mig.doc.Id).One(&statusDoc) if err == mgo.ErrNotFound { return errors.NotFoundf("migration status") } else if err != nil { return errors.Annotate(err, "migration status lookup failed") } mig.statusDoc = statusDoc return nil }
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// Refresh implements ModelMigration.
[ "Refresh", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L607-L622
4,756
juju/juju
state/modelmigration.go
ModelUserAccess
func (mig *modelMigration) ModelUserAccess(tag names.Tag) permission.Access { id := tag.Id() for _, user := range mig.doc.ModelUsers { if user.UserID == id { return user.Access } } return permission.NoAccess }
go
func (mig *modelMigration) ModelUserAccess(tag names.Tag) permission.Access { id := tag.Id() for _, user := range mig.doc.ModelUsers { if user.UserID == id { return user.Access } } return permission.NoAccess }
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// ModelUserAccess implements ModelMigration.
[ "ModelUserAccess", "implements", "ModelMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L625-L634
4,757
juju/juju
state/modelmigration.go
Validate
func (spec *MigrationSpec) Validate() error { if !names.IsValidUser(spec.InitiatedBy.Id()) { return errors.NotValidf("InitiatedBy") } return spec.TargetInfo.Validate() }
go
func (spec *MigrationSpec) Validate() error { if !names.IsValidUser(spec.InitiatedBy.Id()) { return errors.NotValidf("InitiatedBy") } return spec.TargetInfo.Validate() }
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// Validate returns an error if the MigrationSpec contains bad // data. Nil is returned otherwise.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L645-L650
4,758
juju/juju
state/modelmigration.go
Migration
func (st *State) Migration(id string) (ModelMigration, error) { migColl, closer := st.db().GetCollection(migrationsC) defer closer() mig, err := st.migrationFromQuery(migColl.FindId(id)) if err != nil { return nil, errors.Trace(err) } return mig, nil }
go
func (st *State) Migration(id string) (ModelMigration, error) { migColl, closer := st.db().GetCollection(migrationsC) defer closer() mig, err := st.migrationFromQuery(migColl.FindId(id)) if err != nil { return nil, errors.Trace(err) } return mig, nil }
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// Migration retrieves a specific ModelMigration by its id. See also // LatestMigration and LatestCompletedMigration.
[ "Migration", "retrieves", "a", "specific", "ModelMigration", "by", "its", "id", ".", "See", "also", "LatestMigration", "and", "LatestCompletedMigration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L882-L890
4,759
juju/juju
state/modelmigration.go
IsMigrationActive
func IsMigrationActive(st *State, modelUUID string) (bool, error) { active, closer := st.db().GetCollection(migrationsActiveC) defer closer() n, err := active.FindId(modelUUID).Count() if err != nil { return false, errors.Trace(err) } return n > 0, nil }
go
func IsMigrationActive(st *State, modelUUID string) (bool, error) { active, closer := st.db().GetCollection(migrationsActiveC) defer closer() n, err := active.FindId(modelUUID).Count() if err != nil { return false, errors.Trace(err) } return n > 0, nil }
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// IsMigrationActive returns true if a migration is in progress for // the model with the given UUID. The State provided need not be for // the model in question.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/modelmigration.go#L927-L935
4,760
juju/juju
cmd/jujud/agent/engine/housing.go
Decorate
func (housing Housing) Decorate(base dependency.Manifold) dependency.Manifold { manifold := base // Apply Occupy wrapping first, so that it will be the last // wrapper to execute before calling the original Start func, so // as to minimise the time we hold the fortress open. if housing.Occupy != "" { manifold.Inputs = maybeAdd(manifold.Inputs, housing.Occupy) manifold.Start = occupyStart(manifold.Start, housing.Occupy) } for _, name := range housing.Flags { manifold.Inputs = maybeAdd(manifold.Inputs, name) manifold.Start = flagStart(manifold.Start, name) } if housing.Filter != nil { manifold.Filter = housing.Filter } return manifold }
go
func (housing Housing) Decorate(base dependency.Manifold) dependency.Manifold { manifold := base // Apply Occupy wrapping first, so that it will be the last // wrapper to execute before calling the original Start func, so // as to minimise the time we hold the fortress open. if housing.Occupy != "" { manifold.Inputs = maybeAdd(manifold.Inputs, housing.Occupy) manifold.Start = occupyStart(manifold.Start, housing.Occupy) } for _, name := range housing.Flags { manifold.Inputs = maybeAdd(manifold.Inputs, name) manifold.Start = flagStart(manifold.Start, name) } if housing.Filter != nil { manifold.Filter = housing.Filter } return manifold }
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// Decorate is part of the Decorator interface.
[ "Decorate", "is", "part", "of", "the", "Decorator", "interface", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/cmd/jujud/agent/engine/housing.go#L51-L68
4,761
juju/juju
apiserver/facades/client/payloads/facade.go
List
func (a API) List(args params.PayloadListArgs) (params.PayloadListResults, error) { var r params.PayloadListResults payloads, err := a.backend.ListAll() if err != nil { return r, errors.Trace(err) } filters, err := payload.BuildPredicatesFor(args.Patterns) if err != nil { return r, errors.Trace(err) } payloads = payload.Filter(payloads, filters...) for _, payload := range payloads { apiInfo := api.Payload2api(payload) r.Results = append(r.Results, apiInfo) } return r, nil }
go
func (a API) List(args params.PayloadListArgs) (params.PayloadListResults, error) { var r params.PayloadListResults payloads, err := a.backend.ListAll() if err != nil { return r, errors.Trace(err) } filters, err := payload.BuildPredicatesFor(args.Patterns) if err != nil { return r, errors.Trace(err) } payloads = payload.Filter(payloads, filters...) for _, payload := range payloads { apiInfo := api.Payload2api(payload) r.Results = append(r.Results, apiInfo) } return r, nil }
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// List builds the list of payloads being tracked for // the given unit and IDs. If no IDs are provided then all tracked // payloads for the unit are returned.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/client/payloads/facade.go#L49-L68
4,762
juju/juju
container/interface.go
PopValue
func (m ManagerConfig) PopValue(key string) string { value := m[key] delete(m, key) return value }
go
func (m ManagerConfig) PopValue(key string) string { value := m[key] delete(m, key) return value }
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// PopValue returns the requested key from the config map. If the value // doesn't exist, the function returns the empty string. If the value does // exist, the value is returned, and the element removed from the map.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/container/interface.go#L70-L74
4,763
juju/juju
container/interface.go
WarnAboutUnused
func (m ManagerConfig) WarnAboutUnused() { for key, value := range m { logger.Infof("unused config option: %q -> %q", key, value) } }
go
func (m ManagerConfig) WarnAboutUnused() { for key, value := range m { logger.Infof("unused config option: %q -> %q", key, value) } }
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// WarnAboutUnused emits a warning about each value in the map.
[ "WarnAboutUnused", "emits", "a", "warning", "about", "each", "value", "in", "the", "map", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/container/interface.go#L77-L81
4,764
juju/juju
apiserver/rest.go
ServeHTTP
func (h *RestHTTPHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { var err error switch r.Method { case "GET": err = errors.Annotate(h.GetHandler(w, r), "cannot retrieve model data") default: err = emitUnsupportedMethodErr(r.Method) } if err != nil { if err := sendJSONError(w, r, errors.Trace(err)); err != nil { logger.Errorf("%v", errors.Annotate(err, "cannot return error to user")) } } }
go
func (h *RestHTTPHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { var err error switch r.Method { case "GET": err = errors.Annotate(h.GetHandler(w, r), "cannot retrieve model data") default: err = emitUnsupportedMethodErr(r.Method) } if err != nil { if err := sendJSONError(w, r, errors.Trace(err)); err != nil { logger.Errorf("%v", errors.Annotate(err, "cannot return error to user")) } } }
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// ServeHTTP is defined on handler.Handler.
[ "ServeHTTP", "is", "defined", "on", "handler", ".", "Handler", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/rest.go#L27-L41
4,765
juju/juju
apiserver/rest.go
ServeGet
func (h *modelRestHandler) ServeGet(w http.ResponseWriter, r *http.Request) error { if r.Method != "GET" { return errors.Trace(emitUnsupportedMethodErr(r.Method)) } st, _, err := h.ctxt.stateForRequestAuthenticated(r) if err != nil { return errors.Trace(err) } defer st.Release() return errors.Trace(h.processGet(r, w, st.State)) }
go
func (h *modelRestHandler) ServeGet(w http.ResponseWriter, r *http.Request) error { if r.Method != "GET" { return errors.Trace(emitUnsupportedMethodErr(r.Method)) } st, _, err := h.ctxt.stateForRequestAuthenticated(r) if err != nil { return errors.Trace(err) } defer st.Release() return errors.Trace(h.processGet(r, w, st.State)) }
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// ServeGet handles http GET requests.
[ "ServeGet", "handles", "http", "GET", "requests", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/rest.go#L51-L63
4,766
juju/juju
apiserver/rest.go
processGet
func (h *modelRestHandler) processGet(r *http.Request, w http.ResponseWriter, st *state.State) error { query := r.URL.Query() entity := query.Get(":entity") // TODO(wallyworld) - support more than just "remote-application" switch entity { case "remote-application": return h.processRemoteApplication(r, w, st) default: return errors.NotSupportedf("entity %v", entity) } }
go
func (h *modelRestHandler) processGet(r *http.Request, w http.ResponseWriter, st *state.State) error { query := r.URL.Query() entity := query.Get(":entity") // TODO(wallyworld) - support more than just "remote-application" switch entity { case "remote-application": return h.processRemoteApplication(r, w, st) default: return errors.NotSupportedf("entity %v", entity) } }
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// processGet handles a ReST GET request after authentication.
[ "processGet", "handles", "a", "ReST", "GET", "request", "after", "authentication", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/rest.go#L66-L76
4,767
juju/juju
apiserver/rest.go
processRemoteApplication
func (h *modelRestHandler) processRemoteApplication(r *http.Request, w http.ResponseWriter, st *state.State) error { query := r.URL.Query() name := query.Get(":name") remoteApp, err := st.RemoteApplication(name) if err != nil { return errors.Trace(err) } attribute := query.Get(":attribute") // TODO(wallyworld) - support more than just "icon" if attribute != "icon" { return errors.NotSupportedf("attribute %v on entity %v", attribute, name) } // Get the backend state for the source model so we can lookup the app in that model to get the charm details. offerUUID := remoteApp.OfferUUID() sourceModelUUID := remoteApp.SourceModel().Id() sourceSt, err := h.ctxt.srv.shared.statePool.Get(sourceModelUUID) if err != nil { return errors.Trace(err) } defer sourceSt.Release() offers := state.NewApplicationOffers(sourceSt.State) offer, err := offers.ApplicationOfferForUUID(offerUUID) if err != nil { return errors.Trace(err) } app, err := sourceSt.Application(offer.ApplicationName) if err != nil { return errors.Trace(err) } ch, _, err := app.Charm() if err != nil { return errors.Trace(err) } store := storage.NewStorage(sourceSt.ModelUUID(), sourceSt.MongoSession()) // Use the storage to retrieve and save the charm archive. charmPath, err := common.ReadCharmFromStorage(store, h.dataDir, ch.StoragePath()) if errors.IsNotFound(err) { return h.byteSender(w, ".svg", []byte(common.DefaultCharmIcon)) } if err != nil { return errors.Trace(err) } iconContents, err := common.CharmArchiveEntry(charmPath, "icon.svg", true) if errors.IsNotFound(err) { return h.byteSender(w, ".svg", []byte(common.DefaultCharmIcon)) } if err != nil { return errors.Trace(err) } return h.byteSender(w, ".svg", iconContents) }
go
func (h *modelRestHandler) processRemoteApplication(r *http.Request, w http.ResponseWriter, st *state.State) error { query := r.URL.Query() name := query.Get(":name") remoteApp, err := st.RemoteApplication(name) if err != nil { return errors.Trace(err) } attribute := query.Get(":attribute") // TODO(wallyworld) - support more than just "icon" if attribute != "icon" { return errors.NotSupportedf("attribute %v on entity %v", attribute, name) } // Get the backend state for the source model so we can lookup the app in that model to get the charm details. offerUUID := remoteApp.OfferUUID() sourceModelUUID := remoteApp.SourceModel().Id() sourceSt, err := h.ctxt.srv.shared.statePool.Get(sourceModelUUID) if err != nil { return errors.Trace(err) } defer sourceSt.Release() offers := state.NewApplicationOffers(sourceSt.State) offer, err := offers.ApplicationOfferForUUID(offerUUID) if err != nil { return errors.Trace(err) } app, err := sourceSt.Application(offer.ApplicationName) if err != nil { return errors.Trace(err) } ch, _, err := app.Charm() if err != nil { return errors.Trace(err) } store := storage.NewStorage(sourceSt.ModelUUID(), sourceSt.MongoSession()) // Use the storage to retrieve and save the charm archive. charmPath, err := common.ReadCharmFromStorage(store, h.dataDir, ch.StoragePath()) if errors.IsNotFound(err) { return h.byteSender(w, ".svg", []byte(common.DefaultCharmIcon)) } if err != nil { return errors.Trace(err) } iconContents, err := common.CharmArchiveEntry(charmPath, "icon.svg", true) if errors.IsNotFound(err) { return h.byteSender(w, ".svg", []byte(common.DefaultCharmIcon)) } if err != nil { return errors.Trace(err) } return h.byteSender(w, ".svg", iconContents) }
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// processRemoteApplication handles a request for attributes on remote applications.
[ "processRemoteApplication", "handles", "a", "request", "for", "attributes", "on", "remote", "applications", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/rest.go#L79-L132
4,768
juju/juju
apiserver/facades/agent/instancemutater/mocks/watcher_mock.go
NewMockNotifyWatcher
func NewMockNotifyWatcher(ctrl *gomock.Controller) *MockNotifyWatcher { mock := &MockNotifyWatcher{ctrl: ctrl} mock.recorder = &MockNotifyWatcherMockRecorder{mock} return mock }
go
func NewMockNotifyWatcher(ctrl *gomock.Controller) *MockNotifyWatcher { mock := &MockNotifyWatcher{ctrl: ctrl} mock.recorder = &MockNotifyWatcherMockRecorder{mock} return mock }
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// NewMockNotifyWatcher creates a new mock instance
[ "NewMockNotifyWatcher", "creates", "a", "new", "mock", "instance" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/agent/instancemutater/mocks/watcher_mock.go#L24-L28
4,769
juju/juju
apiserver/facades/agent/instancemutater/mocks/watcher_mock.go
NewMockStringsWatcher
func NewMockStringsWatcher(ctrl *gomock.Controller) *MockStringsWatcher { mock := &MockStringsWatcher{ctrl: ctrl} mock.recorder = &MockStringsWatcherMockRecorder{mock} return mock }
go
func NewMockStringsWatcher(ctrl *gomock.Controller) *MockStringsWatcher { mock := &MockStringsWatcher{ctrl: ctrl} mock.recorder = &MockStringsWatcherMockRecorder{mock} return mock }
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// NewMockStringsWatcher creates a new mock instance
[ "NewMockStringsWatcher", "creates", "a", "new", "mock", "instance" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/apiserver/facades/agent/instancemutater/mocks/watcher_mock.go#L93-L97
4,770
juju/juju
provider/oracle/images.go
checkImageList
func checkImageList(c EnvironAPI) ([]*imagemetadata.ImageMetadata, error) { if c == nil { return nil, errors.NotFoundf("oracle client") } // take a list of all images that are in the oracle cloud account resp, err := c.AllImageLists(nil) if err != nil { return nil, errors.Trace(err) } // if we don't have any images that are in // the oracle cloud account under your username namespace // we should let the user know this n := len(resp.Result) if n == 0 { return nil, errors.NotFoundf( "images under the current client username are", ) } images := make([]*imagemetadata.ImageMetadata, 0, n) for _, val := range resp.Result { uri, err := url.Parse(val.Uri) if err != nil { logger.Warningf("image with ID %q had invalid resource URI %q", val.Name, val.Uri) continue } requestUri := strings.Split(uri.RequestURI(), "/") if len(requestUri) == 0 { continue } name := requestUri[len(requestUri)-1] metadata, err := parseImageName(name, uri) if err != nil { logger.Warningf("failed to parse image name %s. Error was: %q", name, err) continue } logger.Infof("adding image %v to metadata", metadata.String()) images = append(images, metadata) } return images, nil }
go
func checkImageList(c EnvironAPI) ([]*imagemetadata.ImageMetadata, error) { if c == nil { return nil, errors.NotFoundf("oracle client") } // take a list of all images that are in the oracle cloud account resp, err := c.AllImageLists(nil) if err != nil { return nil, errors.Trace(err) } // if we don't have any images that are in // the oracle cloud account under your username namespace // we should let the user know this n := len(resp.Result) if n == 0 { return nil, errors.NotFoundf( "images under the current client username are", ) } images := make([]*imagemetadata.ImageMetadata, 0, n) for _, val := range resp.Result { uri, err := url.Parse(val.Uri) if err != nil { logger.Warningf("image with ID %q had invalid resource URI %q", val.Name, val.Uri) continue } requestUri := strings.Split(uri.RequestURI(), "/") if len(requestUri) == 0 { continue } name := requestUri[len(requestUri)-1] metadata, err := parseImageName(name, uri) if err != nil { logger.Warningf("failed to parse image name %s. Error was: %q", name, err) continue } logger.Infof("adding image %v to metadata", metadata.String()) images = append(images, metadata) } return images, nil }
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// checkImageList creates image metadata from the oracle image list
[ "checkImageList", "creates", "image", "metadata", "from", "the", "oracle", "image", "list" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/provider/oracle/images.go#L125-L167
4,771
juju/juju
provider/oracle/images.go
getImageName
func getImageName(c EnvironAPI, id string) (string, error) { if id == "" { return "", errors.NotFoundf("empty id") } resp, err := c.AllImageLists(nil) if err != nil { return "", errors.Trace(err) } // if we don't have any images that are in // the oracle cloud account under your username namespace // we should let the user know this if resp.Result == nil { return "", errors.NotFoundf( "no usable images found in your account. Please add images from the oracle market", ) } for _, val := range resp.Result { if strings.Contains(val.Name, id) { s := strings.Split(val.Name, "/") return s[len(s)-1], nil } } return "", errors.NotFoundf("image not found: %q", id) }
go
func getImageName(c EnvironAPI, id string) (string, error) { if id == "" { return "", errors.NotFoundf("empty id") } resp, err := c.AllImageLists(nil) if err != nil { return "", errors.Trace(err) } // if we don't have any images that are in // the oracle cloud account under your username namespace // we should let the user know this if resp.Result == nil { return "", errors.NotFoundf( "no usable images found in your account. Please add images from the oracle market", ) } for _, val := range resp.Result { if strings.Contains(val.Name, id) { s := strings.Split(val.Name, "/") return s[len(s)-1], nil } } return "", errors.NotFoundf("image not found: %q", id) }
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// getImageName gets the name of the image represented by the supplied ID
[ "getImageName", "gets", "the", "name", "of", "the", "image", "represented", "by", "the", "supplied", "ID" ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/provider/oracle/images.go#L170-L197
4,772
juju/juju
core/watcher/strings.go
Validate
func (config StringsConfig) Validate() error { if config.Handler == nil { return errors.NotValidf("nil Handler") } return nil }
go
func (config StringsConfig) Validate() error { if config.Handler == nil { return errors.NotValidf("nil Handler") } return nil }
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// Validate returns ann error if the config cannot start a StringsWorker.
[ "Validate", "returns", "ann", "error", "if", "the", "config", "cannot", "start", "a", "StringsWorker", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/watcher/strings.go#L54-L59
4,773
juju/juju
core/watcher/strings.go
NewStringsWorker
func NewStringsWorker(config StringsConfig) (*StringsWorker, error) { if err := config.Validate(); err != nil { return nil, errors.Trace(err) } sw := &StringsWorker{ config: config, } err := catacomb.Invoke(catacomb.Plan{ Site: &sw.catacomb, Work: sw.loop, }) if err != nil { return nil, errors.Trace(err) } return sw, nil }
go
func NewStringsWorker(config StringsConfig) (*StringsWorker, error) { if err := config.Validate(); err != nil { return nil, errors.Trace(err) } sw := &StringsWorker{ config: config, } err := catacomb.Invoke(catacomb.Plan{ Site: &sw.catacomb, Work: sw.loop, }) if err != nil { return nil, errors.Trace(err) } return sw, nil }
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// NewStringsWorker starts a new worker that runs a StringsHandler.
[ "NewStringsWorker", "starts", "a", "new", "worker", "that", "runs", "a", "StringsHandler", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/watcher/strings.go#L62-L77
4,774
juju/juju
storage/provider/managedfs.go
NewManagedFilesystemSource
func NewManagedFilesystemSource( volumeBlockDevices map[names.VolumeTag]storage.BlockDevice, filesystems map[names.FilesystemTag]storage.Filesystem, ) storage.FilesystemSource { return &managedFilesystemSource{ logAndExec, &osDirFuncs{logAndExec}, volumeBlockDevices, filesystems, } }
go
func NewManagedFilesystemSource( volumeBlockDevices map[names.VolumeTag]storage.BlockDevice, filesystems map[names.FilesystemTag]storage.Filesystem, ) storage.FilesystemSource { return &managedFilesystemSource{ logAndExec, &osDirFuncs{logAndExec}, volumeBlockDevices, filesystems, } }
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// NewManagedFilesystemSource returns a storage.FilesystemSource that manages // filesystems on block devices on the host machine. // // The parameters are maps that the caller will update with information about // block devices and filesystems created by the source. The caller must not // update the maps during calls to the source's methods.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/storage/provider/managedfs.go#L45-L54
4,775
juju/juju
storage/provider/managedfs.go
isDiskDevice
func isDiskDevice(devicePath string) bool { var last rune for _, r := range devicePath { last = r } return !unicode.IsDigit(last) }
go
func isDiskDevice(devicePath string) bool { var last rune for _, r := range devicePath { last = r } return !unicode.IsDigit(last) }
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// isDiskDevice reports whether or not the device is a full disk, as opposed // to a partition or a loop device. We create a partition on disks to contain // filesystems.
[ "isDiskDevice", "reports", "whether", "or", "not", "the", "device", "is", "a", "full", "disk", "as", "opposed", "to", "a", "partition", "or", "a", "loop", "device", ".", "We", "create", "a", "partition", "on", "disks", "to", "contain", "filesystems", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/storage/provider/managedfs.go#L396-L402
4,776
juju/juju
worker/storageprovisioner/machines.go
watchMachine
func watchMachine(ctx *context, tag names.MachineTag) { _, ok := ctx.machines[tag] if ok { return } w, err := newMachineWatcher(ctx.config.Machines, tag, ctx.machineChanges) if err != nil { ctx.kill(errors.Trace(err)) } else if err := ctx.addWorker(w); err != nil { ctx.kill(errors.Trace(err)) } else { ctx.machines[tag] = w } }
go
func watchMachine(ctx *context, tag names.MachineTag) { _, ok := ctx.machines[tag] if ok { return } w, err := newMachineWatcher(ctx.config.Machines, tag, ctx.machineChanges) if err != nil { ctx.kill(errors.Trace(err)) } else if err := ctx.addWorker(w); err != nil { ctx.kill(errors.Trace(err)) } else { ctx.machines[tag] = w } }
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// watchMachine starts a machine watcher if there is not already one for the // specified tag. The watcher will notify the worker when the machine changes, // for example when it is provisioned.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/storageprovisioner/machines.go#L19-L32
4,777
juju/juju
worker/storageprovisioner/machines.go
refreshMachine
func refreshMachine(ctx *context, tag names.MachineTag) error { w, ok := ctx.machines[tag] if !ok { return errors.Errorf("machine %s is not being watched", tag.Id()) } stopAndRemove := func() error { worker.Stop(w) delete(ctx.machines, tag) return nil } results, err := ctx.config.Machines.InstanceIds([]names.MachineTag{tag}) if err != nil { return errors.Annotate(err, "getting machine instance ID") } if err := results[0].Error; err != nil { if params.IsCodeNotProvisioned(err) { return nil } else if params.IsCodeNotFound(err) { // Machine is gone, so stop watching. return stopAndRemove() } return errors.Annotate(err, "getting machine instance ID") } machineProvisioned(ctx, tag, instance.Id(results[0].Result)) // machine provisioning is the only thing we care about; // stop the watcher. return stopAndRemove() }
go
func refreshMachine(ctx *context, tag names.MachineTag) error { w, ok := ctx.machines[tag] if !ok { return errors.Errorf("machine %s is not being watched", tag.Id()) } stopAndRemove := func() error { worker.Stop(w) delete(ctx.machines, tag) return nil } results, err := ctx.config.Machines.InstanceIds([]names.MachineTag{tag}) if err != nil { return errors.Annotate(err, "getting machine instance ID") } if err := results[0].Error; err != nil { if params.IsCodeNotProvisioned(err) { return nil } else if params.IsCodeNotFound(err) { // Machine is gone, so stop watching. return stopAndRemove() } return errors.Annotate(err, "getting machine instance ID") } machineProvisioned(ctx, tag, instance.Id(results[0].Result)) // machine provisioning is the only thing we care about; // stop the watcher. return stopAndRemove() }
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// refreshMachine refreshes the specified machine's instance ID. If it is set, // then the machine watcher is stopped and pending entities' parameters are // updated. If the machine is not provisioned yet, this method is a no-op.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/storageprovisioner/machines.go#L37-L64
4,778
juju/juju
worker/storageprovisioner/machines.go
machineProvisioned
func machineProvisioned(ctx *context, tag names.MachineTag, instanceId instance.Id) { for _, params := range ctx.incompleteVolumeParams { if params.Attachment.Machine != tag || params.Attachment.InstanceId != "" { continue } params.Attachment.InstanceId = instanceId updatePendingVolume(ctx, params) } for id, params := range ctx.incompleteVolumeAttachmentParams { if params.Machine != tag || params.InstanceId != "" { continue } params.InstanceId = instanceId updatePendingVolumeAttachment(ctx, id, params) } for id, params := range ctx.incompleteFilesystemAttachmentParams { if params.Machine != tag || params.InstanceId != "" { continue } params.InstanceId = instanceId updatePendingFilesystemAttachment(ctx, id, params) } }
go
func machineProvisioned(ctx *context, tag names.MachineTag, instanceId instance.Id) { for _, params := range ctx.incompleteVolumeParams { if params.Attachment.Machine != tag || params.Attachment.InstanceId != "" { continue } params.Attachment.InstanceId = instanceId updatePendingVolume(ctx, params) } for id, params := range ctx.incompleteVolumeAttachmentParams { if params.Machine != tag || params.InstanceId != "" { continue } params.InstanceId = instanceId updatePendingVolumeAttachment(ctx, id, params) } for id, params := range ctx.incompleteFilesystemAttachmentParams { if params.Machine != tag || params.InstanceId != "" { continue } params.InstanceId = instanceId updatePendingFilesystemAttachment(ctx, id, params) } }
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// machineProvisioned is called when a watched machine is provisioned.
[ "machineProvisioned", "is", "called", "when", "a", "watched", "machine", "is", "provisioned", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/storageprovisioner/machines.go#L67-L89
4,779
juju/juju
worker/globalclockupdater/manifold.go
Manifold
func Manifold(config ManifoldConfig) dependency.Manifold { inputs := []string{config.ClockName} if config.StateName != "" { inputs = append(inputs, config.StateName) } else { inputs = append(inputs, config.LeaseManagerName) } if config.RaftName != "" { inputs = append(inputs, config.RaftName) } return dependency.Manifold{ Inputs: inputs, Start: config.start, } }
go
func Manifold(config ManifoldConfig) dependency.Manifold { inputs := []string{config.ClockName} if config.StateName != "" { inputs = append(inputs, config.StateName) } else { inputs = append(inputs, config.LeaseManagerName) } if config.RaftName != "" { inputs = append(inputs, config.RaftName) } return dependency.Manifold{ Inputs: inputs, Start: config.start, } }
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// Manifold returns a dependency.Manifold that will run a global clock // updater worker.
[ "Manifold", "returns", "a", "dependency", ".", "Manifold", "that", "will", "run", "a", "global", "clock", "updater", "worker", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/worker/globalclockupdater/manifold.go#L62-L76
4,780
juju/juju
core/cache/lxdprofilewatcher.go
init
func (w *MachineLXDProfileWatcher) init(machine *Machine) error { units, err := machine.Units() if err != nil { return errors.Annotatef(err, "failed to get units to start MachineLXDProfileWatcher") } for _, unit := range units { appName := unit.Application() unitName := unit.Name() if info, found := w.applications[appName]; found { info.units.Add(unitName) continue } app, err := w.modeler.Application(appName) if errors.IsNotFound(err) { // This is unlikely, but could happen because Units() // added the parent'd machine id to subordinates. // If the unit has no machineId, it will be added // to what is watched when the machineId is assigned. // Otherwise return an error. if unit.MachineId() != "" { return errors.Errorf("programming error, unit %s has machineId but not application", unitName) } logger.Errorf("unit %s has no application, nor machine id, start watching when machine id assigned.", unitName) w.metrics.LXDProfileChangeError.Inc() continue } chURL := app.CharmURL() info := appInfo{ charmURL: chURL, units: set.NewStrings(unitName), } ch, err := w.modeler.Charm(chURL) if err != nil { return err } lxdProfile := ch.LXDProfile() if !lxdProfile.Empty() { info.charmProfile = lxdProfile } w.applications[appName] = info } return nil }
go
func (w *MachineLXDProfileWatcher) init(machine *Machine) error { units, err := machine.Units() if err != nil { return errors.Annotatef(err, "failed to get units to start MachineLXDProfileWatcher") } for _, unit := range units { appName := unit.Application() unitName := unit.Name() if info, found := w.applications[appName]; found { info.units.Add(unitName) continue } app, err := w.modeler.Application(appName) if errors.IsNotFound(err) { // This is unlikely, but could happen because Units() // added the parent'd machine id to subordinates. // If the unit has no machineId, it will be added // to what is watched when the machineId is assigned. // Otherwise return an error. if unit.MachineId() != "" { return errors.Errorf("programming error, unit %s has machineId but not application", unitName) } logger.Errorf("unit %s has no application, nor machine id, start watching when machine id assigned.", unitName) w.metrics.LXDProfileChangeError.Inc() continue } chURL := app.CharmURL() info := appInfo{ charmURL: chURL, units: set.NewStrings(unitName), } ch, err := w.modeler.Charm(chURL) if err != nil { return err } lxdProfile := ch.LXDProfile() if !lxdProfile.Empty() { info.charmProfile = lxdProfile } w.applications[appName] = info } return nil }
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// init sets up the initial data used to determine when a notify occurs.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/cache/lxdprofilewatcher.go#L91-L139
4,781
juju/juju
core/cache/lxdprofilewatcher.go
applicationCharmURLChange
func (w *MachineLXDProfileWatcher) applicationCharmURLChange(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) values, ok := value.(appCharmUrlChange) if !ok { w.logError("programming error, value not of type appCharmUrlChange") return } appName, chURL := values.appName, values.chURL info, ok := w.applications[appName] if ok { ch, err := w.modeler.Charm(chURL) if err != nil { w.logError(fmt.Sprintf("error getting charm %s to evaluate for lxd profile notification: %s", chURL, err)) return } // notify if: // 1. the prior charm had a profile and the new one does not. // 2. the new profile is not empty. lxdProfile := ch.LXDProfile() if (!info.charmProfile.Empty() && lxdProfile.Empty()) || !lxdProfile.Empty() { logger.Tracef("notifying due to change of charm lxd profile for %s, machine-%s", appName, w.machineId) notify = true } else { logger.Tracef("no notification of charm lxd profile needed for %s, machine-%s", appName, w.machineId) } info.charmProfile = lxdProfile info.charmURL = chURL w.applications[appName] = info } else { logger.Tracef("not watching %s on machine-%s", appName, w.machineId) } logger.Tracef("end of application charm url change %#v", w.applications) }
go
func (w *MachineLXDProfileWatcher) applicationCharmURLChange(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) values, ok := value.(appCharmUrlChange) if !ok { w.logError("programming error, value not of type appCharmUrlChange") return } appName, chURL := values.appName, values.chURL info, ok := w.applications[appName] if ok { ch, err := w.modeler.Charm(chURL) if err != nil { w.logError(fmt.Sprintf("error getting charm %s to evaluate for lxd profile notification: %s", chURL, err)) return } // notify if: // 1. the prior charm had a profile and the new one does not. // 2. the new profile is not empty. lxdProfile := ch.LXDProfile() if (!info.charmProfile.Empty() && lxdProfile.Empty()) || !lxdProfile.Empty() { logger.Tracef("notifying due to change of charm lxd profile for %s, machine-%s", appName, w.machineId) notify = true } else { logger.Tracef("no notification of charm lxd profile needed for %s, machine-%s", appName, w.machineId) } info.charmProfile = lxdProfile info.charmURL = chURL w.applications[appName] = info } else { logger.Tracef("not watching %s on machine-%s", appName, w.machineId) } logger.Tracef("end of application charm url change %#v", w.applications) }
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// applicationCharmURLChange sends a notification if what is saved for its // charm lxdprofile changes. No notification is sent if the profile pointer // begins and ends as nil.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/cache/lxdprofilewatcher.go#L144-L193
4,782
juju/juju
core/cache/lxdprofilewatcher.go
addUnit
func (w *MachineLXDProfileWatcher) addUnit(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { logger.Tracef("notifying due to add unit requires lxd profile change machine-%s", w.machineId) w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) unit, okUnit := value.(*Unit) if !okUnit { w.logError("programming error, value not of type *Unit") return } isSubordinate := unit.Subordinate() unitMachineId := unit.MachineId() unitName := unit.Name() switch { case unitMachineId == "" && !isSubordinate: logger.Tracef("%s has no machineId and not a sub", unitName) return case isSubordinate: principal, err := w.modeler.Unit(unit.Principal()) if err != nil { logger.Tracef("unit %s is subordinate, principal %s not found", unitName, unit.Principal()) return } if w.machineId != principal.MachineId() { logger.Tracef("watching unit changes on machine-%s not machine-%s", w.machineId, unitMachineId) return } case w.machineId != unitMachineId: logger.Tracef("watching unit changes on machine-%s not machine-%s", w.machineId, unitMachineId) return } logger.Tracef("start watching %q on machine-%s", unitName, w.machineId) notify = w.add(unit) logger.Debugf("end of unit change %#v", w.applications) }
go
func (w *MachineLXDProfileWatcher) addUnit(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { logger.Tracef("notifying due to add unit requires lxd profile change machine-%s", w.machineId) w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) unit, okUnit := value.(*Unit) if !okUnit { w.logError("programming error, value not of type *Unit") return } isSubordinate := unit.Subordinate() unitMachineId := unit.MachineId() unitName := unit.Name() switch { case unitMachineId == "" && !isSubordinate: logger.Tracef("%s has no machineId and not a sub", unitName) return case isSubordinate: principal, err := w.modeler.Unit(unit.Principal()) if err != nil { logger.Tracef("unit %s is subordinate, principal %s not found", unitName, unit.Principal()) return } if w.machineId != principal.MachineId() { logger.Tracef("watching unit changes on machine-%s not machine-%s", w.machineId, unitMachineId) return } case w.machineId != unitMachineId: logger.Tracef("watching unit changes on machine-%s not machine-%s", w.machineId, unitMachineId) return } logger.Tracef("start watching %q on machine-%s", unitName, w.machineId) notify = w.add(unit) logger.Debugf("end of unit change %#v", w.applications) }
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// addUnit modifies the map of applications being watched when a unit is // added to the machine. Notification is sent if a new unit whose charm has // an lxd profile is added.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/cache/lxdprofilewatcher.go#L198-L247
4,783
juju/juju
core/cache/lxdprofilewatcher.go
removeUnit
func (w *MachineLXDProfileWatcher) removeUnit(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { logger.Tracef("notifying due to remove unit requires lxd profile change machine-%s", w.machineId) w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) rUnit, ok := value.(unitLXDProfileRemove) if !ok { w.logError("programming error, value not of type unitLXDProfileRemove") return } app, ok := w.applications[rUnit.appName] if !ok { w.logError("programming error, unit removed before being added, application name not found") return } if !app.units.Contains(rUnit.name) { return } profile := app.charmProfile app.units.Remove(rUnit.name) if app.units.Size() == 0 { // the application has no more units on this machine, // stop watching it. delete(w.applications, rUnit.appName) } // If there are additional units on the machine and the current // application has an lxd profile, notify so it can be removed // from the machine. if len(w.applications) > 0 && !profile.Empty() { notify = true } return }
go
func (w *MachineLXDProfileWatcher) removeUnit(topic string, value interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } var notify bool defer func(notify *bool) { if *notify { logger.Tracef("notifying due to remove unit requires lxd profile change machine-%s", w.machineId) w.notify() w.metrics.LXDProfileChangeHit.Inc() } else { w.metrics.LXDProfileChangeMiss.Inc() } }(&notify) rUnit, ok := value.(unitLXDProfileRemove) if !ok { w.logError("programming error, value not of type unitLXDProfileRemove") return } app, ok := w.applications[rUnit.appName] if !ok { w.logError("programming error, unit removed before being added, application name not found") return } if !app.units.Contains(rUnit.name) { return } profile := app.charmProfile app.units.Remove(rUnit.name) if app.units.Size() == 0 { // the application has no more units on this machine, // stop watching it. delete(w.applications, rUnit.appName) } // If there are additional units on the machine and the current // application has an lxd profile, notify so it can be removed // from the machine. if len(w.applications) > 0 && !profile.Empty() { notify = true } return }
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// removeUnit modifies the map of applications being watched when a unit is // removed from the machine. Notification is sent if a unit being removed // has a profile and other units exist on the machine.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/cache/lxdprofilewatcher.go#L292-L338
4,784
juju/juju
core/cache/lxdprofilewatcher.go
provisionedChange
func (w *MachineLXDProfileWatcher) provisionedChange(topic string, _ interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } logger.Tracef("notifying due to machine-%s now provisioned", w.machineId) w.metrics.LXDProfileChangeHit.Inc() w.notify() }
go
func (w *MachineLXDProfileWatcher) provisionedChange(topic string, _ interface{}) { // We don't want to respond to any events until we have been fully initialized. select { case <-w.initialized: case <-w.tomb.Dying(): return } logger.Tracef("notifying due to machine-%s now provisioned", w.machineId) w.metrics.LXDProfileChangeHit.Inc() w.notify() }
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// provisionedChanged notifies when called. Topic subscribed to is specific to // this machine.
[ "provisionedChanged", "notifies", "when", "called", ".", "Topic", "subscribed", "to", "is", "specific", "to", "this", "machine", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/core/cache/lxdprofilewatcher.go#L342-L353
4,785
juju/juju
state/machine.go
ToParams
func (job MachineJob) ToParams() multiwatcher.MachineJob { if jujuJob, ok := jobNames[job]; ok { return jujuJob } return multiwatcher.MachineJob(fmt.Sprintf("<unknown job %d>", int(job))) }
go
func (job MachineJob) ToParams() multiwatcher.MachineJob { if jujuJob, ok := jobNames[job]; ok { return jujuJob } return multiwatcher.MachineJob(fmt.Sprintf("<unknown job %d>", int(job))) }
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// ToParams returns the job as multiwatcher.MachineJob.
[ "ToParams", "returns", "the", "job", "as", "multiwatcher", ".", "MachineJob", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L61-L66
4,786
juju/juju
state/machine.go
paramsJobsFromJobs
func paramsJobsFromJobs(jobs []MachineJob) []multiwatcher.MachineJob { jujuJobs := make([]multiwatcher.MachineJob, len(jobs)) for i, machineJob := range jobs { jujuJobs[i] = machineJob.ToParams() } return jujuJobs }
go
func paramsJobsFromJobs(jobs []MachineJob) []multiwatcher.MachineJob { jujuJobs := make([]multiwatcher.MachineJob, len(jobs)) for i, machineJob := range jobs { jujuJobs[i] = machineJob.ToParams() } return jujuJobs }
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// params.JobsFromJobs converts state jobs to juju jobs.
[ "params", ".", "JobsFromJobs", "converts", "state", "jobs", "to", "juju", "jobs", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L69-L75
4,787
juju/juju
state/machine.go
MigrationValue
func (job MachineJob) MigrationValue() string { if value, ok := jobMigrationValue[job]; ok { return value } return "unknown" }
go
func (job MachineJob) MigrationValue() string { if value, ok := jobMigrationValue[job]; ok { return value } return "unknown" }
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// MigrationValue converts the state job into a useful human readable // string for model migration.
[ "MigrationValue", "converts", "the", "state", "job", "into", "a", "useful", "human", "readable", "string", "for", "model", "migration", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L79-L84
4,788
juju/juju
state/machine.go
ContainerType
func (m *Machine) ContainerType() instance.ContainerType { return instance.ContainerType(m.doc.ContainerType) }
go
func (m *Machine) ContainerType() instance.ContainerType { return instance.ContainerType(m.doc.ContainerType) }
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// ContainerType returns the type of container hosting this machine.
[ "ContainerType", "returns", "the", "type", "of", "container", "hosting", "this", "machine", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L174-L176
4,789
juju/juju
state/machine.go
SetKeepInstance
func (m *Machine) SetKeepInstance(keepInstance bool) error { ops := []txn.Op{{ C: instanceDataC, Id: m.doc.DocID, Assert: txn.DocExists, Update: bson.D{{"$set", bson.D{{"keep-instance", keepInstance}}}}, }} if err := m.st.db().RunTransaction(ops); err != nil { // If instance doc doesn't exist, that's ok; there's nothing to keep, // but that's not an error we care about. return errors.Annotatef(onAbort(err, nil), "cannot set KeepInstance on machine %v", m) } return nil }
go
func (m *Machine) SetKeepInstance(keepInstance bool) error { ops := []txn.Op{{ C: instanceDataC, Id: m.doc.DocID, Assert: txn.DocExists, Update: bson.D{{"$set", bson.D{{"keep-instance", keepInstance}}}}, }} if err := m.st.db().RunTransaction(ops); err != nil { // If instance doc doesn't exist, that's ok; there's nothing to keep, // but that's not an error we care about. return errors.Annotatef(onAbort(err, nil), "cannot set KeepInstance on machine %v", m) } return nil }
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// SetKeepInstance sets whether the cloud machine instance // will be retained when the machine is removed from Juju. // This is only relevant if an instance exists.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L308-L321
4,790
juju/juju
state/machine.go
KeepInstance
func (m *Machine) KeepInstance() (bool, error) { instData, err := getInstanceData(m.st, m.Id()) if err != nil { return false, err } return instData.KeepInstance, nil }
go
func (m *Machine) KeepInstance() (bool, error) { instData, err := getInstanceData(m.st, m.Id()) if err != nil { return false, err } return instData.KeepInstance, nil }
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// KeepInstance reports whether a machine, when removed from // Juju, will cause the corresponding cloud instance to be stopped.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L325-L331
4,791
juju/juju
state/machine.go
CharmProfiles
func (m *Machine) CharmProfiles() ([]string, error) { instData, err := getInstanceData(m.st, m.Id()) if errors.IsNotFound(err) { err = errors.NotProvisionedf("machine %v", m.Id()) } if err != nil { return nil, err } return instData.CharmProfiles, nil }
go
func (m *Machine) CharmProfiles() ([]string, error) { instData, err := getInstanceData(m.st, m.Id()) if errors.IsNotFound(err) { err = errors.NotProvisionedf("machine %v", m.Id()) } if err != nil { return nil, err } return instData.CharmProfiles, nil }
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// CharmProfiles returns the names of any LXD profiles used by the machine, // which were defined in the charm deployed to that machine.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L335-L344
4,792
juju/juju
state/machine.go
SetCharmProfiles
func (m *Machine) SetCharmProfiles(profiles []string) error { if len(profiles) == 0 { return nil } buildTxn := func(attempt int) ([]txn.Op, error) { if attempt > 0 { if err := m.Refresh(); err != nil { return nil, errors.Trace(err) } } // Exit early if the Machine profiles doesn't need to change. mProfiles, err := m.CharmProfiles() if err != nil { return nil, errors.Trace(err) } mProfilesSet := set.NewStrings(mProfiles...) if mProfilesSet.Union(set.NewStrings(profiles...)).Size() == mProfilesSet.Size() { return nil, jujutxn.ErrNoOperations } ops := []txn.Op{{ C: instanceDataC, Id: m.doc.DocID, Assert: txn.DocExists, Update: bson.D{{"$set", bson.D{{"charm-profiles", profiles}}}}, }} return ops, nil } err := m.st.db().Run(buildTxn) return errors.Annotatef(err, "cannot update profiles for %q to %s", m, strings.Join(profiles, ", ")) }
go
func (m *Machine) SetCharmProfiles(profiles []string) error { if len(profiles) == 0 { return nil } buildTxn := func(attempt int) ([]txn.Op, error) { if attempt > 0 { if err := m.Refresh(); err != nil { return nil, errors.Trace(err) } } // Exit early if the Machine profiles doesn't need to change. mProfiles, err := m.CharmProfiles() if err != nil { return nil, errors.Trace(err) } mProfilesSet := set.NewStrings(mProfiles...) if mProfilesSet.Union(set.NewStrings(profiles...)).Size() == mProfilesSet.Size() { return nil, jujutxn.ErrNoOperations } ops := []txn.Op{{ C: instanceDataC, Id: m.doc.DocID, Assert: txn.DocExists, Update: bson.D{{"$set", bson.D{{"charm-profiles", profiles}}}}, }} return ops, nil } err := m.st.db().Run(buildTxn) return errors.Annotatef(err, "cannot update profiles for %q to %s", m, strings.Join(profiles, ", ")) }
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// SetCharmProfiles sets the names of the charm profiles used on a machine // in its instanceData.
[ "SetCharmProfiles", "sets", "the", "names", "of", "the", "charm", "profiles", "used", "on", "a", "machine", "in", "its", "instanceData", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L348-L379
4,793
juju/juju
state/machine.go
WantsVote
func (m *Machine) WantsVote() bool { return wantsVote(m.doc.Jobs, m.doc.NoVote) }
go
func (m *Machine) WantsVote() bool { return wantsVote(m.doc.Jobs, m.doc.NoVote) }
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// WantsVote reports whether the machine is a controller // that wants to take part in peer voting.
[ "WantsVote", "reports", "whether", "the", "machine", "is", "a", "controller", "that", "wants", "to", "take", "part", "in", "peer", "voting", "." ]
ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L383-L385
4,794
juju/juju
state/machine.go
SetHasVote
func (m *Machine) SetHasVote(hasVote bool) error { op := m.UpdateOperation() op.HasVote = &hasVote if err := m.st.ApplyOperation(op); err != nil { return errors.Trace(err) } m.doc.HasVote = hasVote return nil }
go
func (m *Machine) SetHasVote(hasVote bool) error { op := m.UpdateOperation() op.HasVote = &hasVote if err := m.st.ApplyOperation(op); err != nil { return errors.Trace(err) } m.doc.HasVote = hasVote return nil }
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// SetHasVote sets whether the machine is currently a voting // member of the replica set. It should only be called // from the worker that maintains the replica set.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L396-L404
4,795
juju/juju
state/machine.go
SetStopMongoUntilVersion
func (m *Machine) SetStopMongoUntilVersion(v mongo.Version) error { ops := []txn.Op{{ C: machinesC, Id: m.doc.DocID, Update: bson.D{{"$set", bson.D{{"stopmongountilversion", v.String()}}}}, }} if err := m.st.db().RunTransaction(ops); err != nil { return fmt.Errorf("cannot set StopMongoUntilVersion %v: %v", m, onAbort(err, ErrDead)) } m.doc.StopMongoUntilVersion = v.String() return nil }
go
func (m *Machine) SetStopMongoUntilVersion(v mongo.Version) error { ops := []txn.Op{{ C: machinesC, Id: m.doc.DocID, Update: bson.D{{"$set", bson.D{{"stopmongountilversion", v.String()}}}}, }} if err := m.st.db().RunTransaction(ops); err != nil { return fmt.Errorf("cannot set StopMongoUntilVersion %v: %v", m, onAbort(err, ErrDead)) } m.doc.StopMongoUntilVersion = v.String() return nil }
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// SetStopMongoUntilVersion sets a version that is to be checked against // the agent config before deciding if mongo must be started on a // state server.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L422-L433
4,796
juju/juju
state/machine.go
StopMongoUntilVersion
func (m *Machine) StopMongoUntilVersion() (mongo.Version, error) { return mongo.NewVersion(m.doc.StopMongoUntilVersion) }
go
func (m *Machine) StopMongoUntilVersion() (mongo.Version, error) { return mongo.NewVersion(m.doc.StopMongoUntilVersion) }
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// StopMongoUntilVersion returns the current minimum version that // is required for this machine to have mongo running.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L437-L439
4,797
juju/juju
state/machine.go
IsManual
func (m *Machine) IsManual() (bool, error) { // Apart from the bootstrap machine, manually provisioned // machines have a nonce prefixed with "manual:". This is // unique to manual provisioning. if strings.HasPrefix(m.doc.Nonce, manualMachinePrefix) { return true, nil } // The bootstrap machine uses BootstrapNonce, so in that // case we need to check if its provider type is "manual". // We also check for "null", which is an alias for manual. if m.doc.Id == "0" { model, err := m.st.Model() if err != nil { return false, errors.Trace(err) } cfg, err := model.ModelConfig() if err != nil { return false, err } t := cfg.Type() return t == "null" || t == "manual", nil } return false, nil }
go
func (m *Machine) IsManual() (bool, error) { // Apart from the bootstrap machine, manually provisioned // machines have a nonce prefixed with "manual:". This is // unique to manual provisioning. if strings.HasPrefix(m.doc.Nonce, manualMachinePrefix) { return true, nil } // The bootstrap machine uses BootstrapNonce, so in that // case we need to check if its provider type is "manual". // We also check for "null", which is an alias for manual. if m.doc.Id == "0" { model, err := m.st.Model() if err != nil { return false, errors.Trace(err) } cfg, err := model.ModelConfig() if err != nil { return false, err } t := cfg.Type() return t == "null" || t == "manual", nil } return false, nil }
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// IsManual returns true if the machine was manually provisioned.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L447-L471
4,798
juju/juju
state/machine.go
AgentTools
func (m *Machine) AgentTools() (*tools.Tools, error) { if m.doc.Tools == nil { return nil, errors.NotFoundf("agent binaries for machine %v", m) } tools := *m.doc.Tools return &tools, nil }
go
func (m *Machine) AgentTools() (*tools.Tools, error) { if m.doc.Tools == nil { return nil, errors.NotFoundf("agent binaries for machine %v", m) } tools := *m.doc.Tools return &tools, nil }
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// AgentTools returns the tools that the agent is currently running. // It returns an error that satisfies errors.IsNotFound if the tools // have not yet been set.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L476-L482
4,799
juju/juju
state/machine.go
checkVersionValidity
func checkVersionValidity(v version.Binary) error { if v.Series == "" || v.Arch == "" { return fmt.Errorf("empty series or arch") } return nil }
go
func checkVersionValidity(v version.Binary) error { if v.Series == "" || v.Arch == "" { return fmt.Errorf("empty series or arch") } return nil }
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// checkVersionValidity checks whether the given version is suitable // for passing to SetAgentVersion.
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ba728eedb1e44937c7bdc59f374b06400d0c7133
https://github.com/juju/juju/blob/ba728eedb1e44937c7bdc59f374b06400d0c7133/state/machine.go#L486-L491