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Copy pathlogs.go
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69 lines (55 loc) · 1.75 KB
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package cmd
import (
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
// LogsOptions holds options for the logs command.
type LogsOptions struct {
Follow bool
Tail string
}
// NewLogsCommand creates a new logs command for viewing docker container logs
func NewLogsCommand() *cobra.Command {
opts := &LogsOptions{}
cmd := &cobra.Command{
Use: "logs [service...]",
Short: "View logs from Onyx docker containers",
Long: `View logs from running Onyx docker containers.
All arguments are treated as service names to filter logs.
If no services are specified, logs from all services are shown.
Examples:
# View logs from all services (follow mode)
ods logs
# View logs for a specific service
ods logs api_server
# View logs for multiple services
ods logs api_server background
# View last 100 lines and follow
ods logs --tail 100 api_server
# View logs without following
ods logs --follow=false`,
Args: cobra.ArbitraryArgs,
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return runningServiceNames(), cobra.ShellCompDirectiveNoFileComp
},
Run: func(cmd *cobra.Command, args []string) {
runComposeLogs(args, opts)
},
}
cmd.Flags().BoolVar(&opts.Follow, "follow", true, "Follow log output")
cmd.Flags().StringVar(&opts.Tail, "tail", "", "Number of lines to show from the end of the logs (e.g. 100)")
return cmd
}
func runComposeLogs(services []string, opts *LogsOptions) {
args := baseArgs("")
args = append(args, "logs")
if opts.Follow {
args = append(args, "-f")
}
if opts.Tail != "" {
args = append(args, "--tail", opts.Tail)
}
args = append(args, services...)
log.Info("Viewing container logs...")
execDockerCompose(args, nil)
}