jpictl: move verbosity handling to the log module

Signed-off-by: Alejandro Mery <amery@jpi.io>

cmd/jpictl/log.go

@@ -3,9 +3,13 @@ package main
 import (
 	"fmt"
 
+	"darvaza.org/sidecar/pkg/logger/zerolog"
 	"darvaza.org/slog"
+	"github.com/spf13/cobra"
 )
 
+var log = zerolog.New(nil, slog.Error)
+
 // fatal is a convenience wrapper for slog.Logger.Fatal().Print()
 func fatal(err error, msg string, args ...any) {
 	l := log.Fatal()
@@ -19,3 +23,20 @@ func fatal(err error, msg string, args ...any) {
 
 	panic("unreachable")
 }
+
+var verbosity int
+
+// setVerbosity replaces the global logger using the
+// verbosity level specified via -v flags
+func setVerbosity(_ *cobra.Command, _ []string) {
+	desired := int8(slog.Error) + int8(verbosity)
+	if desired > 6 {
+		desired = 6
+	}
+	log = zerolog.New(nil, slog.LogLevel(desired))
+}
+
+func init() {
+	rootCmd.PersistentFlags().CountVarP(&verbosity, "verbosity", "v",
+		"increase the verbosity level to Warn, Info or Debug")
+}

cmd/jpictl/main.go

@@ -2,8 +2,6 @@
 package main
 
 import (
-	"darvaza.org/sidecar/pkg/logger/zerolog"
-	"darvaza.org/slog"
 	"github.com/spf13/cobra"
 )
 
@@ -13,9 +11,7 @@ const (
 )
 
 var (
-	log       = zerolog.New(nil, slog.Error)
-	verbosity int
-	rootCmd   = &cobra.Command{
+	rootCmd = &cobra.Command{
 		Use:   CmdName,
 		Short: "control tool for jpi.cloud",
 	}
@@ -26,16 +22,3 @@ func main() {
 		fatal(err, "")
 	}
 }
-
-func init() {
-	rootCmd.PersistentFlags().CountVarP(&verbosity, "verbosity", "v",
-		"increase the verbosity level to Warn, Info or Debug")
-}
-
-func setVerbosity(_ *cobra.Command, _ []string) {
-	desired := int8(slog.Error) + int8(verbosity)
-	if desired > 6 {
-		desired = 6
-	}
-	log = zerolog.New(nil, slog.LogLevel(desired))
-}