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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-04-24 11:54:37 -0700
committerGitHub <noreply@github.com>2019-04-24 11:54:37 -0700
commitd75543fcd2ce87a9b87b8883400f355979004e91 (patch)
treee923dc180773d312b2f09b39e86fbc2a85042578 /cmd/podman
parent730309cb42d0ecf452d64261899ad29886eb4350 (diff)
parentb90a5107e9b2c6b619aa60264603f04744c41631 (diff)
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Merge pull request #3002 from vrothberg/fix-pulling
pull: special case all-tags semantics
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/pull.go129
1 files changed, 74 insertions, 55 deletions
diff --git a/cmd/podman/pull.go b/cmd/podman/pull.go
index 04eb5bd46..521419e7a 100644
--- a/cmd/podman/pull.go
+++ b/cmd/podman/pull.go
@@ -46,7 +46,7 @@ func init() {
pullCommand.SetHelpTemplate(HelpTemplate())
pullCommand.SetUsageTemplate(UsageTemplate())
flags := pullCommand.Flags()
- flags.BoolVar(&pullCommand.AllTags, "all-tags", false, "All tagged images inthe repository will be pulled")
+ flags.BoolVar(&pullCommand.AllTags, "all-tags", false, "All tagged images in the repository will be pulled")
flags.StringVar(&pullCommand.CertDir, "cert-dir", "", "`Pathname` of a directory containing TLS certificates and keys")
flags.StringVar(&pullCommand.Creds, "creds", "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry")
flags.BoolVarP(&pullCommand.Quiet, "quiet", "q", false, "Suppress output information when pulling images")
@@ -94,8 +94,9 @@ func pullCmd(c *cliconfig.PullValues) (retError error) {
return errors.Errorf("tag can't be used with --all-tags")
}
}
+
ctx := getContext()
- img := args[0]
+ imgArg := args[0]
var registryCreds *types.DockerAuthConfig
@@ -122,68 +123,86 @@ func pullCmd(c *cliconfig.PullValues) (retError error) {
dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!c.TlsVerify)
}
- // Possible for docker-archive to have multiple tags, so use LoadFromArchiveReference instead
- if strings.HasPrefix(img, dockerarchive.Transport.Name()+":") {
- srcRef, err := alltransports.ParseImageName(img)
+ // Special-case for docker-archive which allows multiple tags.
+ if strings.HasPrefix(imgArg, dockerarchive.Transport.Name()+":") {
+ srcRef, err := alltransports.ParseImageName(imgArg)
if err != nil {
- return errors.Wrapf(err, "error parsing %q", img)
+ return errors.Wrapf(err, "error parsing %q", imgArg)
}
newImage, err := runtime.LoadFromArchiveReference(getContext(), srcRef, c.SignaturePolicy, writer)
if err != nil {
- return errors.Wrapf(err, "error pulling image from %q", img)
+ return errors.Wrapf(err, "error pulling image from %q", imgArg)
}
fmt.Println(newImage[0].ID())
- } else {
- authfile := getAuthFile(c.String("authfile"))
- spec := img
- systemContext := image.GetSystemContext("", authfile, false)
- srcRef, err := alltransports.ParseImageName(spec)
+
+ return nil
+ }
+
+ authfile := getAuthFile(c.String("authfile"))
+
+ // FIXME: the default pull consults the registries.conf's search registries
+ // while the all-tags pull does not. This behavior must be fixed in the
+ // future and span across c/buildah, c/image and c/libpod to avoid redundant
+ // and error prone code.
+ //
+ // See https://bugzilla.redhat.com/show_bug.cgi?id=1701922 for background
+ // information.
+ if !c.Bool("all-tags") {
+ newImage, err := runtime.New(getContext(), imgArg, c.SignaturePolicy, authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, true, nil)
if err != nil {
- dockerTransport := "docker://"
- logrus.Debugf("error parsing image name %q, trying with transport %q: %v", spec, dockerTransport, err)
- spec = dockerTransport + spec
- srcRef2, err2 := alltransports.ParseImageName(spec)
- if err2 != nil {
- return errors.Wrapf(err2, "error parsing image name %q", img)
- }
- srcRef = srcRef2
- }
- var names []string
- if c.Bool("all-tags") {
- if srcRef.DockerReference() == nil {
- return errors.New("Non-docker transport is currently not supported")
- }
- tags, err := docker.GetRepositoryTags(ctx, systemContext, srcRef)
- if err != nil {
- return errors.Wrapf(err, "error getting repository tags")
- }
- for _, tag := range tags {
- name := spec + ":" + tag
- names = append(names, name)
- }
- } else {
- names = append(names, spec)
+ return errors.Wrapf(err, "error pulling image %q", imgArg)
}
- var foundIDs []string
- foundImage := true
- for _, name := range names {
- newImage, err := runtime.New(getContext(), name, c.String("signature-policy"), authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, true, nil)
- if err != nil {
- logrus.Errorf("error pulling image %q", name)
- foundImage = false
- continue
- }
- foundIDs = append(foundIDs, newImage.ID())
- }
- if len(names) == 1 && !foundImage {
- return errors.Wrapf(err, "error pulling image %q", img)
- }
- if len(names) > 1 {
- fmt.Println("Pulled Images:")
+ fmt.Println(newImage.ID())
+ return nil
+ }
+
+ // FIXME: all-tags should use the libpod backend instead of baking its own bread.
+ spec := imgArg
+ systemContext := image.GetSystemContext("", authfile, false)
+ srcRef, err := alltransports.ParseImageName(spec)
+ if err != nil {
+ dockerTransport := "docker://"
+ logrus.Debugf("error parsing image name %q, trying with transport %q: %v", spec, dockerTransport, err)
+ spec = dockerTransport + spec
+ srcRef2, err2 := alltransports.ParseImageName(spec)
+ if err2 != nil {
+ return errors.Wrapf(err2, "error parsing image name %q", imgArg)
}
- for _, id := range foundIDs {
- fmt.Println(id)
+ srcRef = srcRef2
+ }
+ var names []string
+ if srcRef.DockerReference() == nil {
+ return errors.New("Non-docker transport is currently not supported")
+ }
+ tags, err := docker.GetRepositoryTags(ctx, systemContext, srcRef)
+ if err != nil {
+ return errors.Wrapf(err, "error getting repository tags")
+ }
+ for _, tag := range tags {
+ name := spec + ":" + tag
+ names = append(names, name)
+ }
+
+ var foundIDs []string
+ foundImage := true
+ for _, name := range names {
+ newImage, err := runtime.New(getContext(), name, c.String("signature-policy"), authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, true, nil)
+ if err != nil {
+ logrus.Errorf("error pulling image %q", name)
+ foundImage = false
+ continue
}
- } // end else if strings.HasPrefix(img, dockerarchive.Transport.Name()+":")
+ foundIDs = append(foundIDs, newImage.ID())
+ }
+ if len(names) == 1 && !foundImage {
+ return errors.Wrapf(err, "error pulling image %q", imgArg)
+ }
+ if len(names) > 1 {
+ fmt.Println("Pulled Images:")
+ }
+ for _, id := range foundIDs {
+ fmt.Println(id)
+ }
+
return nil
}