Add crictl

cmd/ctr/main.go

@@ -0,0 +1,50 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/containerd/containerd/cmd/ctr/app"
+	"github.com/containerd/containerd/pkg/seed"
+	"github.com/urfave/cli"
+)
+
+func init() {
+	seed.WithTimeAndRand()
+}
+
+func main() {
+	app := app.New()
+	for i, flag := range app.Flags {
+		if sFlag, ok := flag.(cli.StringFlag); ok {
+			if sFlag.Name == "address, a" {
+				sFlag.Value = "/run/k3s/containerd/containerd.sock"
+				app.Flags[i] = sFlag
+			} else if sFlag.Name == "namespace, n" {
+				sFlag.Value = "k8s.io"
+				app.Flags[i] = sFlag
+			}
+		}
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		fmt.Fprintf(os.Stderr, "ctr: %s\n", err)
+		os.Exit(1)
+	}
+}

cmd/k3s/main.go

@@ -18,7 +18,7 @@ import (
 )
 
 func main() {
-	if runKubectl() {
+	if runCLIs() {
 		return
 	}
 
@@ -26,7 +26,9 @@ func main() {
 	app.Commands = []cli.Command{
 		cmds.NewServerCommand(wrap("k3s-server", os.Args)),
 		cmds.NewAgentCommand(wrap("k3s-agent", os.Args)),
-		cmds.NewKubectlCommand(kubectlCLI),
+		cmds.NewKubectlCommand(externalCLIAction("kubectl")),
+		//cmds.NewCtrCommand(externalCLIAction("ctr")),
+		cmds.NewCRICTL(externalCLIAction("crictl")),
 	}
 
 	err := app.Run(os.Args)
@@ -35,26 +37,30 @@ func main() {
 	}
 }
 
-func runKubectl() bool {
-	if filepath.Base(os.Args[0]) == "kubectl" {
-		if err := kubectl("", os.Args[1:]); err != nil {
+func runCLIs() bool {
+	for _, cmd := range []string{"kubectl", "ctr", "crictl"} {
+		if filepath.Base(os.Args[0]) == cmd {
+			if err := externalCLI(cmd, "", os.Args[1:]); err != nil {
 				logrus.Fatal(err)
 			}
 			return true
 		}
+	}
 	return false
 }
 
-func kubectlCLI(cli *cli.Context) error {
-	return kubectl(cli.String("data-dir"), cli.Args())
+func externalCLIAction(cmd string) func(cli *cli.Context) error {
+	return func(cli *cli.Context) error {
+		return externalCLI(cmd, cli.String("data-dir"), cli.Args())
+	}
 }
 
-func kubectl(dataDir string, args []string) error {
+func externalCLI(cli, dataDir string, args []string) error {
 	dataDir, err := datadir.Resolve(dataDir)
 	if err != nil {
 		return err
 	}
-	return stageAndRun(dataDir, "kubectl", append([]string{"kubectl"}, args...))
+	return stageAndRun(dataDir, cli, append([]string{cli}, args...))
 }
 
 func wrap(cmd string, args []string) func(ctx *cli.Context) error {

cmd/server/main.go

@@ -5,8 +5,10 @@ import (
 	"path/filepath"
 
 	"github.com/docker/docker/pkg/reexec"
+	crictl2 "github.com/kubernetes-sigs/cri-tools/cmd/crictl"
 	"github.com/rancher/k3s/pkg/cli/agent"
 	"github.com/rancher/k3s/pkg/cli/cmds"
+	"github.com/rancher/k3s/pkg/cli/crictl"
 	"github.com/rancher/k3s/pkg/cli/kubectl"
 	"github.com/rancher/k3s/pkg/cli/server"
 	"github.com/rancher/k3s/pkg/containerd"
@@ -18,6 +20,7 @@ import (
 func init() {
 	reexec.Register("containerd", containerd.Main)
 	reexec.Register("kubectl", kubectl2.Main)
+	reexec.Register("crictl", crictl2.Main)
 }
 
 func main() {
@@ -33,6 +36,7 @@ func main() {
 		cmds.NewServerCommand(server.Run),
 		cmds.NewAgentCommand(agent.Run),
 		cmds.NewKubectlCommand(kubectl.Run),
+		cmds.NewCRICTL(crictl.Run),
 	}
 
 	err := app.Run(os.Args)

main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/rancher/k3s/pkg/cli/agent"
 	"github.com/rancher/k3s/pkg/cli/cmds"
+	"github.com/rancher/k3s/pkg/cli/crictl"
 	"github.com/rancher/k3s/pkg/cli/kubectl"
 	"github.com/rancher/k3s/pkg/cli/server"
 	"github.com/sirupsen/logrus"
@@ -22,6 +23,7 @@ func main() {
 		cmds.NewServerCommand(server.Run),
 		cmds.NewAgentCommand(agent.Run),
 		cmds.NewKubectlCommand(kubectl.Run),
+		cmds.NewCRICTL(crictl.Run),
 	}
 
 	if err := app.Run(os.Args); err != nil {

pkg/cli/cmds/crictl.go

@@ -0,0 +1,15 @@
+package cmds
+
+import (
+	"github.com/urfave/cli"
+)
+
+func NewCRICTL(action func(*cli.Context) error) cli.Command {
+	return cli.Command{
+		Name:            "crictl",
+		Usage:           "Run crictl",
+		SkipFlagParsing: true,
+		SkipArgReorder:  true,
+		Action:          action,
+	}
+}

pkg/cli/cmds/ctr.go

@@ -0,0 +1,15 @@
+package cmds
+
+import (
+	"github.com/urfave/cli"
+)
+
+func NewCtrCommand(action func(*cli.Context) error) cli.Command {
+	return cli.Command{
+		Name:            "ctr",
+		Usage:           "Run ctr",
+		SkipFlagParsing: true,
+		SkipArgReorder:  true,
+		Action:          action,
+	}
+}

pkg/cli/crictl/crictl.go

@@ -0,0 +1,11 @@
+package crictl
+
+import (
+	"github.com/kubernetes-sigs/cri-tools/cmd/crictl"
+	"github.com/urfave/cli"
+)
+
+func Run(ctx *cli.Context) error {
+	crictl.Main()
+	return nil
+}

scripts/build

@@ -19,7 +19,11 @@ fi
 
 mkdir -p bin
 
-rm -f bin/k3s-agent bin/hyperkube bin/containerd bin/cni ./bin/runc bin/containerd-shim bin/k3s-server bin/kubectl
+if [ -z "$GOARM" ] && [ "arm" = "$(go env GOARCH)" ]; then
+    GOARM=7
+fi
+
+rm -f bin/k3s-agent bin/hyperkube bin/containerd bin/cni ./bin/runc bin/containerd-shim bin/k3s-server bin/kubectl bin/crictl
 # echo Building agent
 # CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/k3s-agent ./cmd/agent/main.go
 echo Building server
@@ -27,8 +31,11 @@ CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/c
 ln -s containerd ./bin/k3s-agent
 ln -s containerd ./bin/k3s-server
 ln -s containerd ./bin/kubectl
+ln -s containerd ./bin/crictl
 echo Building hyperkube
 CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/hyperkube ./vendor/k8s.io/kubernetes/cmd/hyperkube/
+#echo Building ctr
+#CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/ctr ./cmd/ctr/main.go
 # echo Building containerd
 # CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/containerd ./cmd/containerd/
 echo Building cni

scripts/package-cli

@@ -7,10 +7,11 @@ cd $(dirname $0)/..
 
 ./scripts/download
 
-rm -rf bin/kubectl bin/k3s-agent bin/k3s-server bin/kubectl bin/k3s build/data
+rm -rf bin/crictl bin/kubectl bin/k3s-agent bin/k3s-server bin/kubectl bin/k3s build/data
 ln -s containerd bin/k3s-agent
 ln -s containerd bin/k3s-server
 ln -s containerd bin/kubectl
+ln -s containerd bin/crictl
 for i in bridge flannel host-local loopback portmap; do
     if [ -e ./bin/$i ]; then
         rm -f ./bin/$i