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| package clients |
|
|
| import ( |
| "context" |
| "encoding/json" |
| "io" |
| "net/http" |
| "net/url" |
| "path" |
|
|
| enterrors "github.com/weaviate/weaviate/entities/errors" |
| "github.com/weaviate/weaviate/entities/models" |
| ) |
|
|
| type RemoteNode struct { |
| client *http.Client |
| } |
|
|
| func NewRemoteNode(httpClient *http.Client) *RemoteNode { |
| return &RemoteNode{client: httpClient} |
| } |
|
|
| func (c *RemoteNode) GetNodeStatus(ctx context.Context, hostName, className, shardName, output string) (*models.NodeStatus, error) { |
| p := "/nodes/status" |
| if className != "" { |
| p = path.Join(p, className) |
| } |
| method := http.MethodGet |
| params := url.Values{"output": []string{output}} |
| if shardName != "" { |
| params.Add("shard", shardName) |
| } |
| url := url.URL{Scheme: "http", Host: hostName, Path: p, RawQuery: params.Encode()} |
|
|
| req, err := http.NewRequestWithContext(ctx, method, url.String(), nil) |
| if err != nil { |
| return nil, enterrors.NewErrOpenHttpRequest(err) |
| } |
|
|
| res, err := c.client.Do(req) |
| if err != nil { |
| return nil, enterrors.NewErrSendHttpRequest(err) |
| } |
|
|
| defer res.Body.Close() |
| body, _ := io.ReadAll(res.Body) |
| if res.StatusCode != http.StatusOK { |
| return nil, enterrors.NewErrUnexpectedStatusCode(res.StatusCode, body) |
| } |
|
|
| var nodeStatus models.NodeStatus |
| err = json.Unmarshal(body, &nodeStatus) |
| if err != nil { |
| return nil, enterrors.NewErrUnmarshalBody(err) |
| } |
|
|
| return &nodeStatus, nil |
| } |
|
|
| func (c *RemoteNode) GetStatistics(ctx context.Context, hostName string) (*models.Statistics, error) { |
| p := "/nodes/statistics" |
| method := http.MethodGet |
| url := url.URL{Scheme: "http", Host: hostName, Path: p} |
|
|
| req, err := http.NewRequestWithContext(ctx, method, url.String(), nil) |
| if err != nil { |
| return nil, enterrors.NewErrOpenHttpRequest(err) |
| } |
|
|
| res, err := c.client.Do(req) |
| if err != nil { |
| return nil, enterrors.NewErrSendHttpRequest(err) |
| } |
|
|
| defer res.Body.Close() |
| body, _ := io.ReadAll(res.Body) |
| if res.StatusCode != http.StatusOK { |
| return nil, enterrors.NewErrUnexpectedStatusCode(res.StatusCode, body) |
| } |
|
|
| var statistics models.Statistics |
| err = json.Unmarshal(body, &statistics) |
| if err != nil { |
| return nil, enterrors.NewErrUnmarshalBody(err) |
| } |
|
|
| return &statistics, nil |
| } |
|
|
