Golang Reference.String方法代码示例

func (cli *DockerCli) trustedReference(repo string, ref registry.Reference) (registry.Reference, error) {
	repoInfo, err := registry.ParseRepositoryInfo(repo)
	if err != nil {
		return nil, err
	}

	// Resolve the Auth config relevant for this server
	authConfig := registry.ResolveAuthConfig(cli.configFile, repoInfo.Index)

	notaryRepo, err := cli.getNotaryRepository(repoInfo, authConfig)
	if err != nil {
		fmt.Fprintf(cli.out, "Error establishing connection to trust repository: %s\n", err)
		return nil, err
	}

	t, err := notaryRepo.GetTargetByName(ref.String())
	if err != nil {
		return nil, err
	}
	r, err := convertTarget(*t)
	if err != nil {
		return nil, err

	}

	return registry.DigestReference(r.digest), nil
}

func (cli *DockerCli) tagTrusted(repoInfo *registry.RepositoryInfo, trustedRef, ref registry.Reference) error {
	fullName := trustedRef.ImageName(repoInfo.LocalName)
	fmt.Fprintf(cli.out, "Tagging %s as %s\n", fullName, ref.ImageName(repoInfo.LocalName))
	tv := url.Values{}
	tv.Set("repo", repoInfo.LocalName)
	tv.Set("tag", ref.String())
	tv.Set("force", "1")

	if _, _, err := readBody(cli.call("POST", "/images/"+fullName+"/tag?"+tv.Encode(), nil, nil)); err != nil {
		return err
	}

	return nil
}

func (cli *DockerCli) trustedPull(repoInfo *registry.RepositoryInfo, ref registry.Reference, authConfig types.AuthConfig, requestPrivilege apiclient.RequestPrivilegeFunc) error {
	var refs []target

	notaryRepo, err := cli.getNotaryRepository(repoInfo, authConfig)
	if err != nil {
		fmt.Fprintf(cli.out, "Error establishing connection to trust repository: %s\n", err)
		return err
	}

	if ref.String() == "" {
		// List all targets
		targets, err := notaryRepo.ListTargets(releasesRole, data.CanonicalTargetsRole)
		if err != nil {
			return notaryError(repoInfo.FullName(), err)
		}
		for _, tgt := range targets {
			t, err := convertTarget(tgt.Target)
			if err != nil {
				fmt.Fprintf(cli.out, "Skipping target for %q\n", repoInfo.Name())
				continue
			}
			refs = append(refs, t)
		}
	} else {
		t, err := notaryRepo.GetTargetByName(ref.String(), releasesRole, data.CanonicalTargetsRole)
		if err != nil {
			return notaryError(repoInfo.FullName(), err)
		}
		r, err := convertTarget(t.Target)
		if err != nil {
			return err

		}
		refs = append(refs, r)
	}

	for i, r := range refs {
		displayTag := r.reference.String()
		if displayTag != "" {
			displayTag = ":" + displayTag
		}
		fmt.Fprintf(cli.out, "Pull (%d of %d): %s%[email protected]%s\n", i+1, len(refs), repoInfo.Name(), displayTag, r.digest)

		if err := cli.imagePullPrivileged(authConfig, repoInfo.Name(), r.digest.String(), requestPrivilege); err != nil {
			return err
		}

		// If reference is not trusted, tag by trusted reference
		if !r.reference.HasDigest() {
			tagged, err := reference.WithTag(repoInfo, r.reference.String())
			if err != nil {
				return err
			}
			trustedRef, err := reference.WithDigest(repoInfo, r.digest)
			if err != nil {
				return err
			}
			if err := cli.tagTrusted(trustedRef, tagged); err != nil {
				return err
			}
		}
	}
	return nil
}

// TrustedPull handles content trust pulling of an image
func (cli *DockerCli) TrustedPull(ctx context.Context, repoInfo *registry.RepositoryInfo, ref registry.Reference, authConfig types.AuthConfig, requestPrivilege types.RequestPrivilegeFunc) error {
	var refs []target

	notaryRepo, err := cli.getNotaryRepository(repoInfo, authConfig, "pull")
	if err != nil {
		fmt.Fprintf(cli.out, "Error establishing connection to trust repository: %s\n", err)
		return err
	}

	if ref.String() == "" {
		// List all targets
		targets, err := notaryRepo.ListTargets(releasesRole, data.CanonicalTargetsRole)
		if err != nil {
			return notaryError(repoInfo.FullName(), err)
		}
		for _, tgt := range targets {
			t, err := convertTarget(tgt.Target)
			if err != nil {
				fmt.Fprintf(cli.out, "Skipping target for %q\n", repoInfo.Name())
				continue
			}
			// Only list tags in the top level targets role or the releases delegation role - ignore
			// all other delegation roles
			if tgt.Role != releasesRole && tgt.Role != data.CanonicalTargetsRole {
				continue
			}
			refs = append(refs, t)
		}
		if len(refs) == 0 {
			return notaryError(repoInfo.FullName(), fmt.Errorf("No trusted tags for %s", repoInfo.FullName()))
		}
	} else {
		t, err := notaryRepo.GetTargetByName(ref.String(), releasesRole, data.CanonicalTargetsRole)
		if err != nil {
			return notaryError(repoInfo.FullName(), err)
		}
		// Only get the tag if it's in the top level targets role or the releases delegation role
		// ignore it if it's in any other delegation roles
		if t.Role != releasesRole && t.Role != data.CanonicalTargetsRole {
			return notaryError(repoInfo.FullName(), fmt.Errorf("No trust data for %s", ref.String()))
		}

		logrus.Debugf("retrieving target for %s role\n", t.Role)
		r, err := convertTarget(t.Target)
		if err != nil {
			return err

		}
		refs = append(refs, r)
	}

	for i, r := range refs {
		displayTag := r.reference.String()
		if displayTag != "" {
			displayTag = ":" + displayTag
		}
		fmt.Fprintf(cli.out, "Pull (%d of %d): %s%[email protected]%s\n", i+1, len(refs), repoInfo.Name(), displayTag, r.digest)

		ref, err := reference.WithDigest(repoInfo, r.digest)
		if err != nil {
			return err
		}
		if err := cli.ImagePullPrivileged(ctx, authConfig, ref.String(), requestPrivilege, false); err != nil {
			return err
		}

		// If reference is not trusted, tag by trusted reference
		if !r.reference.HasDigest() {
			tagged, err := reference.WithTag(repoInfo, r.reference.String())
			if err != nil {
				return err
			}
			trustedRef, err := reference.WithDigest(repoInfo, r.digest)
			if err != nil {
				return err
			}
			if err := cli.TagTrusted(ctx, trustedRef, tagged); err != nil {
				return err
			}
		}
	}
	return nil
}

func (cli *DockerCli) trustedPull(repoInfo *registry.RepositoryInfo, ref registry.Reference, authConfig cliconfig.AuthConfig) error {
	var (
		v    = url.Values{}
		refs = []target{}
	)

	notaryRepo, err := cli.getNotaryRepository(repoInfo, authConfig)
	if err != nil {
		fmt.Fprintf(cli.out, "Error establishing connection to trust repository: %s\n", err)
		return err
	}

	if ref.String() == "" {
		// List all targets
		targets, err := notaryRepo.ListTargets()
		if err != nil {
			return notaryError(err)
		}
		for _, tgt := range targets {
			t, err := convertTarget(*tgt)
			if err != nil {
				fmt.Fprintf(cli.out, "Skipping target for %q\n", repoInfo.LocalName)
				continue
			}
			refs = append(refs, t)
		}
	} else {
		t, err := notaryRepo.GetTargetByName(ref.String())
		if err != nil {
			return notaryError(err)
		}
		r, err := convertTarget(*t)
		if err != nil {
			return err

		}
		refs = append(refs, r)
	}

	v.Set("fromImage", repoInfo.LocalName)
	for i, r := range refs {
		displayTag := r.reference.String()
		if displayTag != "" {
			displayTag = ":" + displayTag
		}
		fmt.Fprintf(cli.out, "Pull (%d of %d): %s%[email protected]%s\n", i+1, len(refs), repoInfo.LocalName, displayTag, r.digest)
		v.Set("tag", r.digest.String())

		_, _, err = cli.clientRequestAttemptLogin("POST", "/images/create?"+v.Encode(), nil, cli.out, repoInfo.Index, "pull")
		if err != nil {
			return err
		}

		// If reference is not trusted, tag by trusted reference
		if !r.reference.HasDigest() {
			if err := cli.tagTrusted(repoInfo, registry.DigestReference(r.digest), r.reference); err != nil {
				return err

			}
		}
	}
	return nil
}