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b3098b338e
This is just the minimal update: the gofmt-created updates have been reviewed and edited to preserve original semantic intent, but I didn't review all existing comments to benefit from the new syntax. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
// Package tarball provides a way to generate images using one or more layer
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// tarballs and an optional template configuration.
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//
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// An example:
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//
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// package main
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//
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// import (
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// "context"
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//
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// cp "github.com/containers/image/v5/copy"
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// "github.com/containers/image/v5/signature"
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// "github.com/containers/image/v5/tarball"
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// "github.com/containers/image/v5/transports/alltransports"
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// "github.com/containers/image/v5/types"
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// imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
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// )
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//
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// func imageFromTarball() {
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// src, err := alltransports.ParseImageName("tarball:/var/cache/mock/fedora-26-x86_64/root_cache/cache.tar.gz")
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// // - or -
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// // src, err := tarball.Transport.ParseReference("/var/cache/mock/fedora-26-x86_64/root_cache/cache.tar.gz")
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// if err != nil {
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// panic(err)
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// }
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// updater, ok := src.(tarball.ConfigUpdater)
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// if !ok {
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// panic("unexpected: a tarball reference should implement tarball.ConfigUpdater")
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// }
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// config := imgspecv1.Image{
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// Config: imgspecv1.ImageConfig{
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// Cmd: []string{"/bin/bash"},
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// },
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// }
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// annotations := make(map[string]string)
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// annotations[imgspecv1.AnnotationDescription] = "test image built from a mock root cache"
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// err = updater.ConfigUpdate(config, annotations)
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// if err != nil {
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// panic(err)
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// }
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// dest, err := alltransports.ParseImageName("docker-daemon:mock:latest")
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// if err != nil {
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// panic(err)
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// }
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//
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// policy, err := signature.DefaultPolicy(nil)
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// if err != nil {
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// panic(err)
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// }
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//
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// pc, err := signature.NewPolicyContext(policy)
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// if err != nil {
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// panic(err)
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// }
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// defer pc.Destroy()
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// _, err = cp.Image(context.TODO(), pc, dest, src, nil)
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// if err != nil {
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// panic(err)
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// }
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// }
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package tarball
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