add cmd to list private app logs (#989)

cmd/private/logs.go

@@ -0,0 +1,83 @@
+package private
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/spf13/cobra"
+	"tidbyt.dev/pixlet/cmd/config"
+)
+
+type TidbytLogsResponse struct {
+	Lines []struct {
+		Timestamp string `json:"timestamp"`
+		Message   string `json:"message"`
+	} `json:"lines"`
+}
+
+var logsURL string
+var logsAppID string
+
+func init() {
+	LogsCmd.Flags().StringVarP(&logsURL, "url", "u", "https://api.tidbyt.com", "base URL of Tidbyt API")
+	LogsCmd.Flags().StringVarP(&logsAppID, "app", "a", "", "app ID to list versions for")
+	LogsCmd.MarkFlagRequired("app")
+}
+
+var LogsCmd = &cobra.Command{
+	Use:   "logs",
+	Short: "Logs for private app",
+	Long:  `Prints recent log lines for a private app`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		apiToken := config.OAuthTokenFromConfig(cmd.Context())
+		if apiToken == "" {
+			return fmt.Errorf("login with `pixlet login` or use `pixlet set-auth` to configure auth")
+		}
+
+		if logsAppID == "" {
+			return fmt.Errorf("must specify app ID")
+		}
+
+		requestURL := fmt.Sprintf("%s/v0/apps/%s/logs", logsURL, logsAppID)
+		req, err := http.NewRequest("GET", requestURL, nil)
+		if err != nil {
+			return fmt.Errorf("could not create http request: %w", err)
+		}
+
+		req.Header.Set("Content-Type", "application/json")
+		req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", apiToken))
+
+		client := http.Client{
+			Timeout: 10 * time.Second,
+		}
+
+		resp, err := client.Do(req)
+		if err != nil {
+			return fmt.Errorf("could not make HTTP request to %s: %w", requestURL, err)
+		}
+		defer resp.Body.Close()
+
+		body, err := io.ReadAll(resp.Body)
+		if resp.StatusCode != 200 {
+			return fmt.Errorf("request returned status %d with message: %s", resp.StatusCode, body)
+		}
+		if err != nil {
+			return fmt.Errorf("could not read response body: %w", err)
+		}
+
+		var logs TidbytLogsResponse
+		err = json.Unmarshal(body, &logs)
+		if err != nil {
+			return fmt.Errorf("could not parse response body: %w", err)
+		}
+
+		for _, line := range logs.Lines {
+			fmt.Printf("%s %s\n", line.Timestamp, line.Message)
+		}
+
+		return nil
+	},
+}

cmd/private/private.go

@@ -11,6 +11,7 @@ func init() {
 	PrivateCmd.AddCommand(DeployCmd)
 	PrivateCmd.AddCommand(DeleteCmd)
 	PrivateCmd.AddCommand(ListCmd)
+	PrivateCmd.AddCommand(LogsCmd)
 }
 
 var PrivateCmd = &cobra.Command{