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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
|
|
||
| "github.com/ovrclk/akash/cmd/akash/session" | ||
| "github.com/ovrclk/akash/cmd/common" | ||
| "github.com/ovrclk/akash/keys" | ||
| "github.com/ovrclk/akash/types" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| func logsCommand() *cobra.Command { | ||
|
|
||
| cmd := &cobra.Command{ | ||
| Use: "logs <lease>", | ||
| Short: "service logs", | ||
| Args: cobra.ExactArgs(2), | ||
| RunE: session.WithSession(session.RequireNode(logs)), | ||
| } | ||
|
|
||
| session.AddFlagNode(cmd, cmd.PersistentFlags()) | ||
| cmd.Flags().Int64P("lines", "l", 10, "Number of lines from the end of the logs to show per service") | ||
| cmd.Flags().BoolP("follow", "f", false, "Follow the log stream of the service") | ||
|
|
||
| return cmd | ||
| } | ||
|
|
||
| func logs(session session.Session, cmd *cobra.Command, args []string) error { | ||
| serviceName := args[0] | ||
| leasePath := args[1] | ||
| lease, err := keys.ParseLeasePath(leasePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| provider, err := session.QueryClient().Provider(session.Ctx(), lease.Provider) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| tailLines, err := cmd.Flags().GetInt64("lines") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| follow, err := cmd.Flags().GetBool("follow") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| options := types.LogOptions{ | ||
| TailLines: tailLines, | ||
| Follow: follow, | ||
| } | ||
| b, err := json.Marshal(options) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| url := provider.HostURI + "/logs/" + leasePath + "/" + serviceName | ||
| body, err := stream(session.Ctx(), url, b) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| scanner := bufio.NewScanner(body) | ||
| if err := common.RunForever(printLog(session, scanner)); err != nil { | ||
| fmt.Println(err.Error()) | ||
| } | ||
|
|
||
| defer body.Close() | ||
| return nil | ||
| } | ||
|
|
||
| func printLog(session session.Session, scanner *bufio.Scanner) func(context.Context) error { | ||
| return func(ctx context.Context) error { | ||
| for scanner.Scan() { | ||
| log := types.LogResponse{} | ||
| if err := json.Unmarshal(scanner.Bytes(), &log); err != nil { | ||
| session.Log().Error(err.Error()) | ||
| } | ||
| if log.Result != nil { | ||
| fmt.Printf("[%v] %v\n", log.Result.Name, log.Result.Message) | ||
| } | ||
| } | ||
| return scanner.Err() | ||
| } | ||
| } | ||
|
|
||
| func stream(ctx context.Context, url string, data []byte) (io.ReadCloser, error) { | ||
| req, err := http.NewRequest("POST", url, bytes.NewBuffer(data)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| req.Header.Set("X-Custom-Header", "Akash") | ||
| req.Header.Set("Content-Type", "application/json") | ||
| req.WithContext(ctx) | ||
| client := &http.Client{} | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if resp.StatusCode != 200 { | ||
| return nil, errors.New("response not ok: " + resp.Status) | ||
| } | ||
| return resp.Body, nil | ||
| } |
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