github.com/lalkh/containerd@v1.4.3/cmd/ctr/commands/install/install.go (about)

     1  /*
     2     Copyright The containerd Authors.
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package install
    18  
    19  import (
    20  	"github.com/containerd/containerd"
    21  	"github.com/containerd/containerd/cmd/ctr/commands"
    22  	"github.com/urfave/cli"
    23  )
    24  
    25  // Command to install binary packages
    26  var Command = cli.Command{
    27  	Name:        "install",
    28  	Usage:       "install a new package",
    29  	ArgsUsage:   "<ref>",
    30  	Description: "install a new package",
    31  	Flags: []cli.Flag{
    32  		cli.BoolFlag{
    33  			Name:  "libs,l",
    34  			Usage: "install libs from the image",
    35  		},
    36  		cli.BoolFlag{
    37  			Name:  "replace,r",
    38  			Usage: "replace any binaries or libs in the opt directory",
    39  		},
    40  		cli.StringFlag{
    41  			Name:  "path",
    42  			Usage: "set an optional install path other than the managed opt directory",
    43  		},
    44  	},
    45  	Action: func(context *cli.Context) error {
    46  		client, ctx, cancel, err := commands.NewClient(context)
    47  		if err != nil {
    48  			return err
    49  		}
    50  		defer cancel()
    51  		ref := context.Args().First()
    52  		image, err := client.GetImage(ctx, ref)
    53  		if err != nil {
    54  			return err
    55  		}
    56  		var opts []containerd.InstallOpts
    57  		if context.Bool("libs") {
    58  			opts = append(opts, containerd.WithInstallLibs)
    59  		}
    60  		if context.Bool("replace") {
    61  			opts = append(opts, containerd.WithInstallReplace)
    62  		}
    63  		if path := context.String("path"); path != "" {
    64  			opts = append(opts, containerd.WithInstallPath(path))
    65  		}
    66  		return client.Install(ctx, image, opts...)
    67  	},
    68  }