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Merge pull request #12 from fujiwara/logs
Add logs sub command.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package lambroll | ||
|
|
||
| import ( | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
| "syscall" | ||
|
|
||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| type LogsOption struct { | ||
| FunctionFilePath *string | ||
| Since *string | ||
| Follow *bool | ||
| Format *string | ||
| FilterPattern *string | ||
| } | ||
|
|
||
| func (app *App) Logs(opt LogsOption) error { | ||
| fn, err := app.loadFunction(*opt.FunctionFilePath) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to load function") | ||
| } | ||
|
|
||
| logGroup := "/aws/lambda/" + *fn.FunctionName | ||
| command := []string{ | ||
| "aws", | ||
| "--profile", app.profile, | ||
| "--region", *app.sess.Config.Region, | ||
| "logs", | ||
| "tail", | ||
| logGroup, | ||
| } | ||
| if opt.Since != nil { | ||
| command = append(command, "--since", *opt.Since) | ||
| } | ||
| if opt.Follow != nil && *opt.Follow { | ||
| command = append(command, "--follow") | ||
| } | ||
| if opt.Format != nil { | ||
| command = append(command, "--format", *opt.Format) | ||
| } | ||
| if opt.FilterPattern != nil && *opt.FilterPattern != "" { | ||
| command = append(command, "--filter-pattern", *opt.FilterPattern) | ||
| } | ||
| bin, err := exec.LookPath(command[0]) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| log.Println("[debug] invoking command", strings.Join(command, " ")) | ||
| if err := syscall.Exec(bin, command, os.Environ()); err != nil { | ||
| return errors.Wrap(err, "failed to invoke aws logs tail") | ||
| } | ||
| return nil | ||
| } |