move commands into pkg/

Makefile

@@ -30,7 +30,7 @@ INSTALL?=install
 INSTALL_DIR?=$(shell hack/build/goinstalldir.sh)
 # record the source commit in the binary
 COMMIT?=$(shell git rev-parse HEAD 2>/dev/null)
-LD_FLAGS:=-X sigs.k8s.io/kind/cmd/kind/version.GitCommit=$(COMMIT)
+LD_FLAGS:=-X sigs.k8s.io/kind/pkg/cmd/kind/version.GitCommit=$(COMMIT)
 # the output binary name, overridden when cross compiling
 KIND_BINARY_NAME?=kind
 

cmd/kind/app/main.go

@@ -0,0 +1,21 @@
+package app
+
+import (
+	"os"
+
+	"sigs.k8s.io/kind/pkg/cmd/kind"
+)
+
+// Main is the kind main(), it will invoke Run(), if an error is returned
+// it will then call os.Exit
+func Main() {
+	if err := Run(); err != nil {
+		os.Exit(1)
+	}
+}
+
+// Run invokes the kind root command, returning the error.
+// See: sigs.k8s.io/kind/pkg/cmd/kind
+func Run() error {
+	return kind.NewCommand().Execute()
+}

cmd/kind/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"sigs.k8s.io/kind/cmd/kind/app"
+)
+
+func main() {
+	app.Main()
+}

main.go

@@ -18,9 +18,9 @@ limitations under the License.
 package main
 
 import (
-	"sigs.k8s.io/kind/cmd/kind"
+	"sigs.k8s.io/kind/cmd/kind/app"
 )
 
 func main() {
-	kind.Main()
+	app.Main()
 }

pkg/cmd/kind/build/build.go

@@ -20,8 +20,8 @@ package build
 import (
 	"github.com/spf13/cobra"
 
-	"sigs.k8s.io/kind/cmd/kind/build/baseimage"
+	"sigs.k8s.io/kind/pkg/cmd/kind/build/baseimage"
-	"sigs.k8s.io/kind/cmd/kind/build/nodeimage"
+	"sigs.k8s.io/kind/pkg/cmd/kind/build/nodeimage"
 )
 
 // NewCommand returns a new cobra.Command for building

pkg/cmd/kind/completion/completion.go

@@ -20,8 +20,8 @@ package completion
 import (
 	"github.com/spf13/cobra"
 
-	"sigs.k8s.io/kind/cmd/kind/completion/bash"
+	"sigs.k8s.io/kind/pkg/cmd/kind/completion/bash"
-	"sigs.k8s.io/kind/cmd/kind/completion/zsh"
+	"sigs.k8s.io/kind/pkg/cmd/kind/completion/zsh"
 )
 
 // NewCommand returns a new cobra.Command for cluster creation

pkg/cmd/kind/create/create.go

@@ -20,7 +20,7 @@ package create
 import (
 	"github.com/spf13/cobra"
 
-	createcluster "sigs.k8s.io/kind/cmd/kind/create/cluster"
+	createcluster "sigs.k8s.io/kind/pkg/cmd/kind/create/cluster"
 )
 
 // NewCommand returns a new cobra.Command for cluster creation

pkg/cmd/kind/delete/delete.go

@@ -20,7 +20,7 @@ package delete
 import (
 	"github.com/spf13/cobra"
 
-	deletecluster "sigs.k8s.io/kind/cmd/kind/delete/cluster"
+	deletecluster "sigs.k8s.io/kind/pkg/cmd/kind/delete/cluster"
 )
 
 // NewCommand returns a new cobra.Command for cluster creation

pkg/cmd/kind/export/export.go

@@ -20,7 +20,7 @@ package export
 import (
 	"github.com/spf13/cobra"
 
-	"sigs.k8s.io/kind/cmd/kind/export/logs"
+	"sigs.k8s.io/kind/pkg/cmd/kind/export/logs"
 )
 
 // NewCommand returns a new cobra.Command for export

pkg/cmd/kind/get/get.go

@@ -20,9 +20,9 @@ package get
 import (
 	"github.com/spf13/cobra"
 
-	"sigs.k8s.io/kind/cmd/kind/get/clusters"
+	"sigs.k8s.io/kind/pkg/cmd/kind/get/clusters"
-	"sigs.k8s.io/kind/cmd/kind/get/kubeconfig"
+	"sigs.k8s.io/kind/pkg/cmd/kind/get/kubeconfig"
-	"sigs.k8s.io/kind/cmd/kind/get/nodes"
+	"sigs.k8s.io/kind/pkg/cmd/kind/get/nodes"
 )
 
 // NewCommand returns a new cobra.Command for get

pkg/cmd/kind/load/load.go

@@ -20,8 +20,8 @@ package load
 import (
 	"github.com/spf13/cobra"
 
-	dockerimage "sigs.k8s.io/kind/cmd/kind/load/docker-image"
+	dockerimage "sigs.k8s.io/kind/pkg/cmd/kind/load/docker-image"
-	imagearchive "sigs.k8s.io/kind/cmd/kind/load/image-archive"
+	imagearchive "sigs.k8s.io/kind/pkg/cmd/kind/load/image-archive"
 )
 
 // NewCommand returns a new cobra.Command for get

pkg/cmd/kind/root.go

@@ -22,14 +22,14 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"sigs.k8s.io/kind/cmd/kind/build"
+	"sigs.k8s.io/kind/pkg/cmd/kind/build"
-	"sigs.k8s.io/kind/cmd/kind/completion"
+	"sigs.k8s.io/kind/pkg/cmd/kind/completion"
-	"sigs.k8s.io/kind/cmd/kind/create"
+	"sigs.k8s.io/kind/pkg/cmd/kind/create"
-	"sigs.k8s.io/kind/cmd/kind/delete"
+	"sigs.k8s.io/kind/pkg/cmd/kind/delete"
-	"sigs.k8s.io/kind/cmd/kind/export"
+	"sigs.k8s.io/kind/pkg/cmd/kind/export"
-	"sigs.k8s.io/kind/cmd/kind/get"
+	"sigs.k8s.io/kind/pkg/cmd/kind/get"
-	"sigs.k8s.io/kind/cmd/kind/load"
+	"sigs.k8s.io/kind/pkg/cmd/kind/load"
-	"sigs.k8s.io/kind/cmd/kind/version"
+	"sigs.k8s.io/kind/pkg/cmd/kind/version"
 	"sigs.k8s.io/kind/pkg/errors"
 	"sigs.k8s.io/kind/pkg/exec"
 	"sigs.k8s.io/kind/pkg/globals"
@@ -52,7 +52,11 @@ func NewCommand() *cobra.Command {
 		Short: "kind is a tool for managing local Kubernetes clusters",
 		Long:  "kind creates and manages local Kubernetes clusters using Docker container 'nodes'",
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-			return runE(flags, cmd)
+			err := runE(flags, cmd)
+			if err != nil {
+				logError(err)
+			}
+			return err
 		},
 		SilenceUsage:  true,
 		SilenceErrors: true,
@@ -115,19 +119,6 @@ func runE(flags *Flags, cmd *cobra.Command) error {
 	return nil
 }
 
-// Run runs the `kind` root command
-func Run() error {
-	return NewCommand().Execute()
-}
-
-// Main wraps Run and sets the log formatter
-func Main() {
-	if err := Run(); err != nil {
-		logError(err)
-		os.Exit(1)
-	}
-}
-
 // logError logs the error and the root stacktrace if there is one
 func logError(err error) {
 	globals.GetLogger().Errorf("ERROR: %v", err)