Opt: add log cmd (#139)

Co-authored-by: 一页素书 <2931107265@qq.com>

app/venus-sealer/log.go

@@ -0,0 +1,105 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli/v2"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/venus-sealer/api"
+)
+
+var logCmd = &cli.Command{
+	Name:  "log",
+	Usage: "Manage logging",
+	Subcommands: []*cli.Command{
+		logList,
+		logSetLevel,
+	},
+}
+
+var logList = &cli.Command{
+	Name:  "list",
+	Usage: "List log systems",
+	Action: func(cctx *cli.Context) error {
+		storageAPI, closer, err := api.GetStorageMinerAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		ctx := api.ReqContext(cctx)
+
+		systems, err := storageAPI.LogList(ctx)
+		if err != nil {
+			return err
+		}
+
+		for _, system := range systems {
+			fmt.Println(system)
+		}
+
+		return nil
+	},
+}
+
+var logSetLevel = &cli.Command{
+	Name:      "set-level",
+	Usage:     "Set log level",
+	ArgsUsage: "[level]",
+	Description: `Set the log level for logging systems:
+
+   The system flag can be specified multiple times.
+
+   eg) log set-level --system chain --system chainxchg debug
+
+   Available Levels:
+   debug
+   info
+   warn
+   error
+
+   Environment Variables:
+   GOLOG_LOG_LEVEL - Default log level for all log systems
+   GOLOG_LOG_FMT   - Change output log format (json, nocolor)
+   GOLOG_FILE      - Write logs to file
+   GOLOG_OUTPUT    - Specify whether to output to file, stderr, stdout or a combination, i.e. file+stderr
+`,
+	Flags: []cli.Flag{
+		&cli.StringSliceFlag{
+			Name:  "system",
+			Usage: "limit to log system",
+			Value: &cli.StringSlice{},
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		storageAPI, closer, err := api.GetStorageMinerAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		ctx := api.ReqContext(cctx)
+
+		if !cctx.Args().Present() {
+			return fmt.Errorf("level is required")
+		}
+
+		systems := cctx.StringSlice("system")
+		if len(systems) == 0 {
+			var err error
+			systems, err = storageAPI.LogList(ctx)
+			if err != nil {
+				return err
+			}
+		}
+
+		for _, system := range systems {
+			if err := storageAPI.LogSetLevel(ctx, system, cctx.Args().First()); err != nil {
+				return xerrors.Errorf("setting log level on %s: %v", system, err)
+			}
+		}
+
+		return nil
+	},
+}

app/venus-sealer/main.go

@@ -24,7 +24,7 @@ func main() {
 	sealer.SetupLogLevels()
 
 	local := []*cli.Command{
-		initCmd, runCmd, pprofCmd, sectorsCmd, dealsCmd, actorCmd, infoCmd, sealingCmd, storageCmd, messagerCmds, provingCmd, stopCmd, versionCmd, tokenCmd,
+		logCmd, initCmd, runCmd, pprofCmd, sectorsCmd, dealsCmd, actorCmd, infoCmd, sealingCmd, storageCmd, messagerCmds, provingCmd, stopCmd, versionCmd, tokenCmd,
 	}
 	jaeger := tracing.SetupJaegerTracing("venus-sealer")
 	defer func() {