45 lines
931 B
Go
45 lines
931 B
Go
package main
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import (
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"io"
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"os"
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contentapi "github.com/containerd/containerd/api/services/content"
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contentservice "github.com/containerd/containerd/services/content"
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digest "github.com/opencontainers/go-digest"
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"github.com/urfave/cli"
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)
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var getCommand = cli.Command{
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Name: "get",
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Usage: "get the data for an object",
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ArgsUsage: "[flags] [<digest>, ...]",
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Description: "Display the image object.",
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Flags: []cli.Flag{},
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Action: func(context *cli.Context) error {
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ctx, cancel := appContext()
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defer cancel()
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dgst, err := digest.Parse(context.Args().First())
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if err != nil {
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return err
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}
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conn, err := connectGRPC(context)
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if err != nil {
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return err
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}
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cs := contentservice.NewProviderFromClient(contentapi.NewContentClient(conn))
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rc, err := cs.Reader(ctx, dgst)
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if err != nil {
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return err
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}
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defer rc.Close()
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_, err = io.Copy(os.Stdout, rc)
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return err
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},
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}
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