add default log level

Signed-off-by: xiekeyang <xiekeyang@huawei.com>

cmd/oci-create-runtime-bundle/main.go

@@ -20,6 +20,7 @@ import (
 	"os"
 	"strings"
 
+	"github.com/Sirupsen/logrus"
 	specs "github.com/opencontainers/image-spec/specs-go"
 	"github.com/opencontainers/image-tools/image"
 	"github.com/spf13/cobra"
@@ -36,12 +37,13 @@ var bundleTypes = []string{
 }
 
 type bundleCmd struct {
-	stdout  *log.Logger
-	stderr  *log.Logger
-	typ     string // the type to bundle, can be empty string
-	ref     string
-	root    string
-	version bool
+	stdout         *log.Logger
+	stderr         *log.Logger
+	typ            string // the type to bundle, can be empty string
+	ref            string
+	root           string
+	version        bool
+	logLevelString string
 }
 
 func main() {
@@ -91,10 +93,24 @@ It is strongly recommended to keep the default value.`,
 		&v.version, "version", false,
 		`Print version information and exit`,
 	)
+
+	cmd.Flags().StringVar(
+		&v.logLevelString, "log-level", "error",
+		`Log level (panic, fatal, error, warn, info, or debug)`,
+	)
+
 	return cmd
 }
 
 func (v *bundleCmd) Run(cmd *cobra.Command, args []string) {
+	var err error
+
+	logLevel, err := logrus.ParseLevel(v.logLevelString)
+	if err != nil {
+		logrus.Fatalf("%s", err)
+	}
+	logrus.SetLevel(logLevel)
+
 	if v.version {
 		v.stdout.Printf("commit: %s", gitCommit)
 		v.stdout.Printf("spec: %s", specs.Version)
@@ -123,7 +139,6 @@ func (v *bundleCmd) Run(cmd *cobra.Command, args []string) {
 		v.typ = typ
 	}
 
-	var err error
 	switch v.typ {
 	case image.TypeImageLayout:
 		err = image.CreateRuntimeBundleLayout(args[0], args[1], v.ref, v.root)

cmd/oci-image-validate/main.go

@@ -20,6 +20,7 @@ import (
 	"os"
 	"strings"
 
+	"github.com/Sirupsen/logrus"
 	"github.com/opencontainers/image-spec/schema"
 	specs "github.com/opencontainers/image-spec/specs-go"
 	"github.com/opencontainers/image-tools/image"
@@ -41,11 +42,12 @@ var validateTypes = []string{
 }
 
 type validateCmd struct {
-	stdout  *log.Logger
-	stderr  *log.Logger
-	typ     string // the type to validate, can be empty string
-	refs    []string
-	version bool
+	stdout         *log.Logger
+	stderr         *log.Logger
+	typ            string // the type to validate, can be empty string
+	refs           []string
+	version        bool
+	logLevelString string
 }
 
 func main() {
@@ -89,10 +91,21 @@ func newValidateCmd(stdout, stderr *log.Logger) *cobra.Command {
 		`Print version information and exit`,
 	)
 
+	cmd.Flags().StringVar(
+		&v.logLevelString, "log-level", "error",
+		`Log level (panic, fatal, error, warn, info, or debug)`,
+	)
+
 	return cmd
 }
 
 func (v *validateCmd) Run(cmd *cobra.Command, args []string) {
+	logLevel, err := logrus.ParseLevel(v.logLevelString)
+	if err != nil {
+		logrus.Fatalf("%s", err)
+	}
+	logrus.SetLevel(logLevel)
+
 	if v.version {
 		v.stdout.Printf("commit: %s", gitCommit)
 		v.stdout.Printf("spec: %s", specs.Version)

cmd/oci-unpack/main.go

@@ -20,6 +20,7 @@ import (
 	"os"
 	"strings"
 
+	"github.com/Sirupsen/logrus"
 	specs "github.com/opencontainers/image-spec/specs-go"
 	"github.com/opencontainers/image-tools/image"
 	"github.com/spf13/cobra"
@@ -36,11 +37,12 @@ var unpackTypes = []string{
 }
 
 type unpackCmd struct {
-	stdout  *log.Logger
-	stderr  *log.Logger
-	typ     string // the type to unpack, can be empty string
-	ref     string
-	version bool
+	stdout         *log.Logger
+	stderr         *log.Logger
+	typ            string // the type to unpack, can be empty string
+	ref            string
+	version        bool
+	logLevelString string
 }
 
 func main() {
@@ -83,10 +85,24 @@ func newUnpackCmd(stdout, stderr *log.Logger) *cobra.Command {
 		&v.version, "version", false,
 		`Print version information and exit`,
 	)
+
+	cmd.Flags().StringVar(
+		&v.logLevelString, "log-level", "error",
+		`Log level (panic, fatal, error, warn, info, or debug)`,
+	)
+
 	return cmd
 }
 
 func (v *unpackCmd) Run(cmd *cobra.Command, args []string) {
+	var err error
+
+	logLevel, err := logrus.ParseLevel(v.logLevelString)
+	if err != nil {
+		logrus.Fatalf("%s", err)
+	}
+	logrus.SetLevel(logLevel)
+
 	if v.version {
 		v.stdout.Printf("commit: %s", gitCommit)
 		v.stdout.Printf("spec: %s", specs.Version)
@@ -110,7 +126,6 @@ func (v *unpackCmd) Run(cmd *cobra.Command, args []string) {
 		v.typ = typ
 	}
 
-	var err error
 	switch v.typ {
 	case image.TypeImageLayout:
 		err = image.UnpackLayout(args[0], args[1], v.ref)