feat: add shortcut for log-level=debug (#87)

README.md

@@ -67,6 +67,7 @@ GLOBAL OPTIONS:
    --chain-id value                                               to ensure all nodes matches the specific network (dismiss to auto-detected)
    --http-addr value                                              http server address (default: ":8080")
    --log-level value                                              log level (debug, info, warn, error) (default: "info")
+   --debug                                                        shortcut for --log-level=debug (default: false)
    --namespace value                                              namespace for Prometheus metrics (default: "cosmos_validator_watcher")
    --no-color                                                     disable colored output (default: false)
    --node value [ --node value ]                                  rpc node endpoint to connect to (specify multiple for high availability) (default: "http://localhost:26657")

pkg/app/flags.go

@@ -21,6 +21,10 @@ var Flags = []cli.Flag{
 		Usage: "log level (debug, info, warn, error)",
 		Value: "info",
 	},
+	&cli.BoolFlag{
+		Name:  "debug",
+		Usage: "shortcut for --log-level=debug",
+	},
 	&cli.StringFlag{
 		Name:  "namespace",
 		Usage: "namespace for Prometheus metrics",

pkg/app/run.go

@@ -34,6 +34,7 @@ func RunFunc(cCtx *cli.Context) error {
 
 		// Config flags
 		chainID             = cCtx.String("chain-id")
+		debug               = cCtx.Bool("debug")
 		httpAddr            = cCtx.String("http-addr")
 		logLevel            = cCtx.String("log-level")
 		namespace           = cCtx.String("namespace")
@@ -61,6 +62,9 @@ func RunFunc(cCtx *cli.Context) error {
 	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
 	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
 	zerolog.SetGlobalLevel(logLevelFromString(logLevel))
+	if debug {
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	}
 
 	// Disable colored output if requested
 	color.NoColor = noColor