snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

server/cmd/mmctl/commands/logs.go

@@ -0,0 +1,59 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+
+	"github.com/mattermost/mattermost/server/v8/cmd/mmctl/client"
+	"github.com/mattermost/mattermost/server/v8/cmd/mmctl/printer"
+	"github.com/mattermost/mattermost/server/v8/cmd/mmctl/printer/human"
+)
+
+var LogsCmd = &cobra.Command{
+	Use:   "logs",
+	Short: "Display logs in a human-readable format",
+	Long:  "Display logs in a human-readable format. As the logs format depends on the server, the \"--format\" flag cannot be used with this command.",
+	RunE:  withClient(logsCmdF),
+}
+
+func init() {
+	LogsCmd.Flags().IntP("number", "n", DefaultPageSize, "Number of log lines to retrieve.")
+	LogsCmd.Flags().BoolP("logrus", "l", false, "Use logrus for formatting.")
+	RootCmd.AddCommand(LogsCmd)
+}
+
+func logsCmdF(c client.Client, cmd *cobra.Command, args []string) error {
+	if cmd.Flags().Changed("format") || cmd.Flags().Changed("json") {
+		return fmt.Errorf("the %q and %q flags cannot be used with this command", "--format", "--json")
+	} else if viper.GetString("format") == printer.FormatJSON {
+		return fmt.Errorf("json formatting cannot be applied on this command. Please check the value of %q", "MMCTL_FORMAT")
+	}
+
+	number, _ := cmd.Flags().GetInt("number")
+	logLines, _, err := c.GetLogs(context.TODO(), 0, number)
+	if err != nil {
+		return errors.New("Unable to retrieve logs. Error: " + err.Error())
+	}
+
+	reader := bytes.NewReader([]byte(strings.Join(logLines, "")))
+
+	var writer human.LogWriter
+	if logrus, _ := cmd.Flags().GetBool("logrus"); logrus {
+		writer = human.NewLogrusWriter(os.Stdout)
+	} else {
+		writer = human.NewSimpleWriter(os.Stdout)
+	}
+	human.ProcessLogs(reader, writer)
+
+	return nil
+}