diff --git a/internal/cmd/agent.go b/internal/cmd/agent.go index 24e61874..9b769c13 100644 --- a/internal/cmd/agent.go +++ b/internal/cmd/agent.go @@ -4,7 +4,6 @@ import ( "net/url" "os" "os/signal" - "path/filepath" "syscall" // We use slog here since agent runs in the background and we can benefit @@ -35,34 +34,43 @@ func startCmd() *cobra.Command { var ( token string coderURL string + logFile string ) cmd := &cobra.Command{ - Use: "start --coder-url=[coder_url] --token=[token]", + Use: "start --coder-url= --token= --log-file=", Short: "starts the coder agent", Long: "starts the coder agent", Example: `# start the agent and use CODER_URL and CODER_AGENT_TOKEN env vars - coder agent start # start the agent and connect with a specified url and agent token - coder agent start --coder-url https://my-coder.com --token xxxx-xxxx + +# start the agent and write a copy of the log to /tmp/coder-agent.log +# if the file already exists, it will be truncated +coder agent start --log-file=/tmp/coder-agent.log `, RunE: func(cmd *cobra.Command, args []string) error { ctx := cmd.Context() - sinks := []slog.Sink{ - sloghuman.Sink(os.Stderr), - } - file, err := os.OpenFile(filepath.Join(os.TempDir(), "coder-agent.log"), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600) - if err == nil && file != nil { - sinks = append(sinks, sloghuman.Sink(file)) - } + log := slog.Make(sloghuman.Sink(os.Stderr)).Leveled(slog.LevelDebug) - log := slog.Make(sinks...).Leveled(slog.LevelDebug) - if err != nil { - log.Info(ctx, "failed to open agent log file", slog.Error(err)) + // Optional log file path to write + if logFile != "" { + // Truncate the file if it already exists + file, err := os.OpenFile(logFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600) + if err != nil { + // If an error occurs, log it as an error, but consider it non-fatal + log.Warn(ctx, "failed to open log file", slog.Error(err)) + } else { + // Log to both standard output and our file + log = slog.Make( + sloghuman.Sink(os.Stderr), + sloghuman.Sink(file), + ).Leveled(slog.LevelDebug) + } } + if coderURL == "" { var ok bool coderURL, ok = os.LookupEnv("CODER_URL") @@ -113,6 +121,7 @@ coder agent start --coder-url https://my-coder.com --token xxxx-xxxx cmd.Flags().StringVar(&token, "token", "", "coder agent token") cmd.Flags().StringVar(&coderURL, "coder-url", "", "coder access url") + cmd.Flags().StringVar(&logFile, "log-file", "", "write a copy of logs to file") return cmd } pFad - Phonifier reborn

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