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c27500
c.c.Put(fmt.Sprintf("/host/jobs/%s", job.ID), job, nil) }
c27501
:= c.c.Get(fmt.Sprintf("/host/jobs/%s", id), &res) return &res, err }
c27502
{ return c.c.Delete(fmt.Sprintf("/host/jobs/%s", id)) }
c27503
c.c.Put(fmt.Sprintf("/host/jobs/%s/signal/%d", id, sig), nil, nil) }
c27504
c.c.Put(fmt.Sprintf("/host/jobs/%s/discoverd-deregister", id), nil, nil) }
c27505
== "all" { r = "/host/jobs" } return c.c.ResumingStream("GET", r, ch) }
c27506
c.c.Post(fmt.Sprintf("/storage/providers/%s/volumes", providerId), info, info) }
c27507
&volume, c.c.Get(fmt.Sprintf("/storage/volumes/%s", volumeID), &volume) }
c27508
return volumes, c.c.Get("/storage/volumes", &volumes) }
c27509
c.c.ResumingStream("GET", "/storage/volumes", ch) }
c27510
{ return c.c.Delete(fmt.Sprintf("/storage/volumes/%s", volumeID)) }
c27511
c.c.Put(fmt.Sprintf("/storage/volumes/%s/snapshot", volumeID), nil, &res) return &res, err }
c27512
err := c.c.Post(fmt.Sprintf("/storage/volumes/%s/pull_snapshot", receiveVolID), pull, &res) return &res, err }
c27513
configDir) query.Set("version", version) path := "/host/pull/images?" + query.Encode() return c.c.StreamWithHeader("POST", path, header, tufDB, ch) }
c27514
version) path := "/host/pull/binaries?" + query.Encode() var paths map[string]string return paths, c.c.Post(path, tufDB, &paths) }
c27515
if strings.HasPrefix(r.URL.Path, url) { return true } } return false }
c27516
if err := h.Store.AddService(service, config); err == ErrNotLeader { h.redirectToLeader(w, r) return } else if IsServiceExists(err) { hh.ObjectExistsError(w, err.Error()) return } else if err != nil { hh.Error(w, err) return } }
c27517
if err := h.Store.RemoveService(params.ByName("service")); err == ErrNotLeader { h.redirectToLeader(w, r) return } else if IsNotFound(err) { hh.ObjectNotFoundError(w, err.Error()) return } else if err != nil { hh.Error(w, err) return } }
c27518
// maintaining headers through a redirect. // // See https://github.com/flynn/flynn/issues/1880 h.serveStream(w, params, discoverd.EventKindAll) }
c27519
return } // Update the meta in the store. if err := h.Store.SetServiceMeta(params.ByName("service"), meta); err == ErrNotLeader { h.redirectToLeader(w, r) return } else if IsNotFound(err) { hh.ObjectNotFoundError(w, err.Error()) return } else if err != nil { hh.Error(w, err) return } // Write meta...
c27520
hh.ObjectNotFoundError(w, "service meta not found") return } // Write meta to the response. hh.JSON(w, 200, meta) }
c27521
// Add instance to service in the store. if err := h.Store.AddInstance(service, inst); err == ErrNotLeader { h.redirectToLeader(w, r) return } else if IsNotFound(err) { hh.ObjectNotFoundError(w, err.Error()) return } else if err != nil { hh.Error(w, err) return } }
c27522
h.redirectToLeader(w, r) return } else if IsNotFound(err) { hh.ObjectNotFoundError(w, err.Error()) return } else if err != nil { hh.Error(w, err) return } }
c27523
h.Store.Instances(params.ByName("service")) if err != nil { hh.Error(w, err) return } else if instances == nil { hh.ObjectNotFoundError(w, fmt.Sprintf("service not found: %q", params.ByName("service"))) return } // Write instances to the response. hh.JSON(w, 200, instances) }
c27524
!= nil { hh.Error(w, err) return } // Manually set the leader on the service. if err := h.Store.SetServiceLeader(service, inst.ID); err == ErrNotLeader { h.redirectToLeader(w, r) return } else if err != nil { hh.Error(w, err) return } }
c27525
params.ByName("service") leader, err := h.Store.ServiceLeader(service) if err != nil { hh.Error(w, err) return } else if leader == nil { hh.ObjectNotFoundError(w, "no leader found") return } // Write leader to the response. hh.JSON(w, 200, leader) }
c27526
params httprouter.Params) { if err := h.Main.Promote(); err != nil { hh.Error(w, err) return } }
c27527
params httprouter.Params) { if err := h.Main.Demote(); err != nil { hh.Error(w, err) return } }
c27528
// Create and serve an SSE stream. s := sse.NewStream(w, ch, nil) s.Serve() s.Wait() stream.Close() // Check if there was an error while closing. if err := stream.Err(); err != nil { s.CloseWithError(err) } }
c27529
hh.ServiceUnavailableError(w, ErrNoKnownLeader.Error()) return } hh.JSON(w, 200, dt.RaftLeader{Host: h.Store.Leader()}) }
c27530
err != nil { hh.Error(w, err) } hh.JSON(w, 200, peers) }
c27531
{ hh.Error(w, err) return } var targetLogIndex dt.TargetLogIndex targetLogIndex.LastIndex = h.Store.LastIndex() hh.JSON(w, 200, targetLogIndex) }
c27532
h.redirectToLeader(w, r) return } else if err != nil { hh.Error(w, err) return } }
c27533
{ hh.ServiceUnavailableError(w, ErrNoKnownLeader.Error()) return } redirectToHost(w, r, leader) }
c27534
* time.Millisecond, LeaderLeaseTimeout: 500 * time.Millisecond, CommitTimeout: 50 * time.Millisecond, InstanceTTL: DefaultInstanceTTL, ExpiryCheckInterval: DefaultExpiryCheckInterval, LogOutput: os.Stderr, Now: time.Now, } }
c27535
%s", err) } // Create the snapshot store. ss, err := raft.NewFileSnapshotStore(s.path, 2, os.Stderr) if err != nil { return fmt.Errorf("snapshot store: %s", err) } // Create raft log. // // The mutex must be unlocked as initializing the raft store may // call back into methods which acquire the lock (e.g....
c27536
nil; el = el.Next() { go el.Value.(*subscription).Close() } } if s.raft != nil { s.raft.Shutdown().Error() lastIdx = s.raft.LastIndex() s.raft = nil } if s.transport != nil { s.transport.Close() s.transport = nil } if s.stableStore != nil { s.stableStore.Close() s.stableStore = nil } return...
c27537
s.raft == nil { return "" } return s.raft.Leader() }
c27538
If the incoming channel closed then close our leader channel. if !ok { close(s.leaderCh) return } // Resend value to store's leader channel. select { case s.leaderCh <- isLeader: default: } } } }
c27539
ch <- true return ch } return s.leaderCh }
c27540
= ErrNotLeader } else if err == raft.ErrKnownPeer { return nil } return err }
c27541
= ErrNotLeader } else if err == raft.ErrUnknownPeer { return nil } return err }
c27542
s.raft.SetPeers(peers).Error() }
c27543
range s.data.Services { a = append(a, name) } sort.Strings(a) return a }
c27544
if err != nil { return err } if _, err := s.raftApply(addServiceCommandType, cmd); err != nil { return err } return err }
c27545
defer s.mu.RUnlock() return s.data.Services[service] }
c27546
:= s.raftApply(removeServiceCommandType, cmd); err != nil { return err } return nil }
c27547
defer s.mu.Unlock() return s.instances(service), nil }
c27548
defer s.mu.Unlock() return s.serviceMeta(service) }
c27549
Service: service, ID: id, }) if err != nil { return err } if _, err := s.raftApply(setLeaderCommandType, cmd); err != nil { return err } return nil }
c27550
:= range s.data.Instances[service] { if leader == nil || inst.Index < leader.Index { leader = inst } } // Retrieve the leader ID. var leaderID string if leader != nil { leaderID = leader.ID } // Set leader. s.data.Leaders[service] = leaderID // Broadcast event. if prevLeaderID != leaderID { var ...
c27551
select { case <-s.closing: return case <-ticker.C: } // Check all instances for expiration. if err := s.EnforceExpiry(); err != nil && err != raft.ErrNotLeader { s.logger.Printf("enforce expiry: %s", err) } } }
c27552
} logger.Info("marking instance for expiry", "fn", "EnforceExpiry", "service", service, "instance.id", inst.ID, "instance.addr", inst.Addr, ) // Add to list of instances to expire. // The current expiry time is added to prevent a race condition of // instances updating thei...
c27553
// Apply to raft and receive an ApplyFuture back. f := s.raft.Apply(buf, 30*time.Second) if err := f.Error(); err == raft.ErrNotLeader { return 0, ErrNotLeader // hide underlying implementation error } else if err != nil { return f.Index(), err } else if err, ok := f.Response().(error); ok { return f.Index()...
c27554
!= nil { return nil, err } return &raftSnapshot{data: buf}, nil }
c27555
json.NewDecoder(r).Decode(data); err != nil { return err } s.data = data return nil }
c27556
!= nil { ch <- &discoverd.Event{ Service: service, Kind: discoverd.EventKindLeader, Instance: leader, } } // Send current service meta data. if meta := s.serviceMeta(service); sendCurrent && kinds.Any(discoverd.EventKindServiceMeta) && meta != nil { ch <- &discoverd.Event{ Service: servi...
c27557
continue } // Send event to subscriber. // If subscriber is blocked then close it. select { case sub.ch <- event: default: sub.err = ErrSendBlocked go sub.Close() } } }
c27558
{ sink.Cancel() return err } // Close and exit. return sink.Close() }
c27559
0, len(d.Instances[service])) for _, i := range d.Instances[service] { a = append(a, i) } sort.Sort(instanceSlice(a)) return a }
c27560
{ if (r < 'a' || r > 'z') && (r < '0' || r > '9') && r != '-' { return ErrInvalidService } } return nil }
c27561
client := discoverd.NewClientWithURL("http://" + host) return client.Service(service).Instances() }
c27562
&raftLayer{ ln: ln, addr: addr, } }
c27563
c.client.request.ServiceMethod = "CloseStream" c.client.request.Seq = c.seq return c.client.codec.WriteRequest(&c.client.request, struct{}{}) }
c27564
gob.NewDecoder(conn), gob.NewEncoder(encBuf), encBuf} return NewClientWithCodec(client) }
c27565
DialHTTPPath(network, address, DefaultRPCPath, nil) }
c27566
err != nil { return nil, err } client, err := NewHTTPClient(conn, path, nil) if err != nil { conn.Close() return nil, &net.OpError{ Op: "dial-http", Net: network + " " + address, Addr: nil, Err: err, } } return client, nil }
c27567
return nil, err } return NewClient(conn), nil }
c27568
channel, maybe? if typ.Kind() != reflect.Chan || typ.Elem().Kind() != reflect.Ptr { log.Panic("rpc: replyStream is not a channel of pointers") return nil } call := new(Call) call.ServiceMethod = serviceMethod call.Args = args call.Reply = replyStream call.Stream = true call.sent = make(chan struct{}) cal...
c27569
u.User = url.User(dsn.User) } else { u.User = url.UserPassword(dsn.User, dsn.Password) } // Remove leading double-slash. return strings.TrimPrefix(u.String(), "//") }
c27570
l := range leases { select { case work <- l: case success := <-results: if success { close(work) return nil } } } close(work) for success := range results { if success { return nil } } return errors.New("failed to successfully ping a neighbor") }
c27571
} data, ok := v.(bool) if !ok || !data { continue } proc["volumes"] = []struct { Path string `json:"path"` }{ {Path: "/data"}, } delete(proc, "data") release.Processes[typ] = proc } // save the processes back to the db if err := tx.Exec("UPDATE releases SET processes = $1 W...
c27572
{ r.mtx.Lock() r.final = true r.Backend = backend r.mtx.Unlock() }
c27573
= info.Reused trace.WasIdleConn = info.WasIdle }, WroteHeaders: func() { trace.mtx.Lock() defer trace.mtx.Unlock() if trace.final { return } trace.HeadersWritten = time.Now() }, WroteRequest: func(info httptrace.WroteRequestInfo) { trace.mtx.Lock() defer trace.mtx.Unlock() if tra...
c27574
execAttempts.Run(func() error { return c.db.Exec(query, args...) }) }
c27575
TypeIntegers: v := new(Integers) return *v, v.UnmarshalBinary(b) case TypeStrings: v := new(Strings) return *v, v.UnmarshalBinary(b) case TypeRegexp: v := new(Regexp) return v, v.UnmarshalBinary(b) case TypeCIDRs: v := new(CIDRs) return *v, v.UnmarshalBinary(b) default: return nil, fmt.Errorf("co...
c27576
bytes.Join([][]byte{[]byte(strconv.Itoa(len(msg))), msg}, []byte{' '}) }
c27577
int, token []byte, err error) { return split(false, data, atEOF) }
c27578
error) { return split(true, data, atEOF) }
c27579
:= io.Copy(pw, conn) if err == nil { err = io.EOF } pw.CloseWithError(err) close(c.cnc) }() return c }
c27580
return err } return json.Unmarshal(data, v) }
c27581
if known, ok := knownSubnets[subnet]; ok && reflect.DeepEqual(known, data) { continue } subnets[subnet] = []byte(*data) } knownSubnets = net.Subnets if event.ServiceMeta.Index >= since { return &subnet.Response{Subnets: subnets, Index: event.ServiceMeta.Index}, nil } case <-stop: retu...
c27582
if !verbose { stdoutHandler = log15.LvlFilterHandler(log15.LvlInfo, stdoutHandler) } log := log15.New() log.SetHandler(log15.MultiHandler( log15.Must.FileHandler(file, log15.LogfmtFormat()), stdoutHandler, )) return log }
c27583
{ select { case out := <-output: // if we have printed the bar, replace it with // spaces then write the output on the same line if len(barText) > 0 { spaces := make([]byte, len(barText)) for i := 0; i < len(barText); i++ { spaces[i] = ' ' } fmt.Fprint(stderr, "\r", string(s...
c27584
} if target.Custom == nil || len(*target.Custom) == 0 { return "", errors.New("missing custom metadata in tuf target") } var data struct { Version string } json.Unmarshal(*target.Custom, &data) if data.Version == "" { return "", errors.New("missing version in tuf target") } return data.Version, nil }
c27585
:= err.(JSONError) return ok && e.Retry }
c27586
return } time.AfterFunc(delay, p.triggerEval) }
c27587
log.Warn("would takeover but no peers present") return } newAsync := make([]*discoverd.Instance, 0, len(p.Info().Peers)) for _, a := range p.Info().Peers { if a.Meta[p.idKey] != p.id && a.Meta[p.idKey] != newSync.Meta[p.idKey] { newAsync = append(newAsync, a) } } log.Debug("transitioning to normal mode...
c27588
{ if *p.online { log.Debug("skipping start, already online") } else { log.Debug("starting database") if err := p.db.Start(); err != nil { return err } } } else { if *p.online { log.Debug("stopping database") if err := p.db.Stop(); err != nil { return err } } else { log.Debug(...
c27589
p.id == a.Meta[p.idKey] { return i } } return -1 }
c27590
p.Info().State.Sync } return p.Info().State.Async[whichAsync-1] }
c27591
whichAsync == len(async)-1 { return nil } return async[whichAsync+1] }
c27592
== p.id { panic("peerIsPresent with self") } for _, peer := range p.Info().Peers { if peer.Meta[p.idKey] == other.Meta[p.idKey] { return true } } return false }
c27593
stickyCookieKey: stickyKey, useStickySessions: sticky, }, FlushInterval: 10 * time.Millisecond, RequestTracker: rt, Logger: l, } }
c27594
} }() l := p.Logger.New("client_addr", dconn.RemoteAddr(), "host_addr", dconn.LocalAddr(), "proxy", "tcp") uconn, err := transport.Connect(ctx, l) if err != nil { return } defer uconn.Close() joinConns(uconn, dconn) }
c27595
if event.Kind == discoverd.EventKindServiceMeta { d.meta = event.ServiceMeta } default: } return nil }
c27596
return err } deploymentMeta.States[addr] = DeploymentStateDone return d.set(d.meta, deploymentMeta) }) }
c27597
actual++ } } if actual == d.jobCount { return nil } } else { log.Warn("ignoring service meta even with wrong ID", "expected", id, "got", deploymentMeta.ID) } } case <-timeoutCh: return fmt.Errorf("timed out waiting for discoverd deployment (expected=%d actual=%d)", d.jo...
c27598
d.update(); err != nil { return err } return d.set(d.meta, NewDeploymentMeta(id)) }) }
c27599
rwc.Close() return fmt.Errorf("cluster: unknown attach state: %d", attachState) } } if attachState[0] == host.AttachWaiting { if !wait { rwc.Close() return nil, ErrWouldWait } wait := func() error { if _, err := rwc.Read(attachState); err != nil { rwc.Close() return err } return ha...