Merge pull request #2518 from crosbymichael/install

Add install support for binary images

cmd/ctr/commands/install/install.go

@@ -0,0 +1,61 @@
+/*
+   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 install
+
+import (
+	"github.com/containerd/containerd"
+	"github.com/containerd/containerd/cmd/ctr/commands"
+	"github.com/urfave/cli"
+)
+
+// Command to install binary packages
+var Command = cli.Command{
+	Name:        "install",
+	Usage:       "install a new package",
+	ArgsUsage:   "<ref>",
+	Description: "install a new package",
+	Flags: []cli.Flag{
+		cli.BoolFlag{
+			Name:  "libs,l",
+			Usage: "install libs from the image",
+		},
+		cli.BoolFlag{
+			Name:  "replace,r",
+			Usage: "replace any binaries or libs in the opt directory",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		client, ctx, cancel, err := commands.NewClient(context)
+		if err != nil {
+			return err
+		}
+		defer cancel()
+		ref := context.Args().First()
+		image, err := client.GetImage(ctx, ref)
+		if err != nil {
+			return err
+		}
+		var opts []containerd.InstallOpts
+		if context.Bool("libs") {
+			opts = append(opts, containerd.WithInstallLibs)
+		}
+		if context.Bool("replace") {
+			opts = append(opts, containerd.WithInstallReplace)
+		}
+		return client.Install(ctx, image, opts...)
+	},
+}