diff options
| -rw-r--r-- | completions/bash/podman | 24 | ||||
| -rw-r--r-- | docs/source/markdown/podman-untag.1.md | 8 | ||||
| -rw-r--r-- | libpod/define/errors.go | 3 | ||||
| -rw-r--r-- | libpod/image/errors.go | 2 | ||||
| -rw-r--r-- | libpod/image/image.go | 13 | ||||
| -rw-r--r-- | test/e2e/untag_test.go | 76 | ||||
| -rw-r--r-- | test/system/020-tag.bats | 35 |
7 files changed, 127 insertions, 34 deletions
diff --git a/completions/bash/podman b/completions/bash/podman index cb4e86156..c0d9560ed 100644 --- a/completions/bash/podman +++ b/completions/bash/podman @@ -1572,6 +1572,11 @@ _podman_image_tag() { _podman_tag } + +_podman_image_untag() { + _podman_untag +} + _podman_image() { local boolean_options=" --help @@ -1593,6 +1598,7 @@ _podman_image() { sign tag trust + untag " local aliases=" list @@ -2460,6 +2466,23 @@ _podman_tag() { esac } +_podman_untag() { + local options_with_args=" + " + local boolean_options=" + --help + -h + " + case "$cur" in + -*) + COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur")) + ;; + *) + __podman_complete_images + ;; + esac +} + __podman_top_descriptors() { podman top --list-descriptors } @@ -3588,6 +3611,7 @@ _podman_podman() { umount unmount unpause + untag varlink version volume diff --git a/docs/source/markdown/podman-untag.1.md b/docs/source/markdown/podman-untag.1.md index 3a54283d6..c83a0544c 100644 --- a/docs/source/markdown/podman-untag.1.md +++ b/docs/source/markdown/podman-untag.1.md @@ -4,14 +4,12 @@ podman\-untag - Removes one or more names from a locally-stored image ## SYNOPSIS -**podman untag** *image*[:*tag*] [*target-names*[:*tag*]] [*options*] +**podman untag** [*options*] *image* [*name*[:*tag*]...] -**podman image untag** *image*[:*tag*] [target-names[:*tag*]] [*options*] +**podman image untag** [*options*] *image* [*name*[:*tag*]...] ## DESCRIPTION -Removes one or all names of an image. A name refers to the entire image name, -including the optional *tag* after the `:`. If no target image names are -specified, `untag` will remove all tags for the image at once. +Remove one or more names from an image in the local storage. The image can be referred to by ID or reference. If a no name is specified, all names are removed the image. If a specified name is a short name and does not include a registry `localhost/` will be prefixed (e.g., `fedora` -> `localhost/fedora`). If a specified name does not include a tag `:latest` will be appended (e.g., `localhost/fedora` -> `localhost/fedora:latest`). ## OPTIONS diff --git a/libpod/define/errors.go b/libpod/define/errors.go index e0c9811fe..98dc603d1 100644 --- a/libpod/define/errors.go +++ b/libpod/define/errors.go @@ -17,6 +17,9 @@ var ( // ErrNoSuchImage indicates the requested image does not exist ErrNoSuchImage = image.ErrNoSuchImage + // ErrNoSuchTag indicates the requested image tag does not exist + ErrNoSuchTag = image.ErrNoSuchTag + // ErrNoSuchVolume indicates the requested volume does not exist ErrNoSuchVolume = errors.New("no such volume") diff --git a/libpod/image/errors.go b/libpod/image/errors.go index 4088946cb..ddbf7be4b 100644 --- a/libpod/image/errors.go +++ b/libpod/image/errors.go @@ -12,4 +12,6 @@ var ( ErrNoSuchPod = errors.New("no such pod") // ErrNoSuchImage indicates the requested image does not exist ErrNoSuchImage = errors.New("no such image") + // ErrNoSuchTag indicates the requested image tag does not exist + ErrNoSuchTag = errors.New("no such tag") ) diff --git a/libpod/image/image.go b/libpod/image/image.go index d81f7e911..83e7467e9 100644 --- a/libpod/image/image.go +++ b/libpod/image/image.go @@ -559,15 +559,24 @@ func (i *Image) TagImage(tag string) error { return nil } -// UntagImage removes a tag from the given image +// UntagImage removes the specified tag from the image. +// If the tag does not exist, ErrNoSuchTag is returned. func (i *Image) UntagImage(tag string) error { if err := i.reloadImage(); err != nil { return err } + + // Normalize the tag as we do with TagImage. + ref, err := NormalizedTag(tag) + if err != nil { + return err + } + tag = ref.String() + var newTags []string tags := i.Names() if !util.StringInSlice(tag, tags) { - return nil + return errors.Wrapf(ErrNoSuchTag, "%q", tag) } for _, t := range tags { if tag != t { diff --git a/test/e2e/untag_test.go b/test/e2e/untag_test.go index dc1a6208e..8a1c8091d 100644 --- a/test/e2e/untag_test.go +++ b/test/e2e/untag_test.go @@ -23,13 +23,6 @@ var _ = Describe("Podman untag", func() { podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.RestoreAllArtifacts() - - for _, tag := range []string{"test", "foo", "bar"} { - session := podmanTest.PodmanNoCache([]string{"tag", ALPINE, tag}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - } - }) AfterEach(func() { @@ -40,34 +33,63 @@ var _ = Describe("Podman untag", func() { }) It("podman untag all", func() { - session := podmanTest.PodmanNoCache([]string{"untag", ALPINE}) + tags := []string{ALPINE, "registry.com/foo:bar", "localhost/foo:bar"} + + cmd := []string{"tag"} + cmd = append(cmd, tags...) + session := podmanTest.PodmanNoCache(cmd) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - results := podmanTest.PodmanNoCache([]string{"images", ALPINE}) - results.WaitWithDefaultTimeout() - Expect(results.ExitCode()).To(Equal(0)) - Expect(results.OutputToStringArray()).To(HaveLen(1)) - }) + // Make sure that all tags exists. + for _, t := range tags { + session = podmanTest.PodmanNoCache([]string{"image", "exists", t}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(0)) + } - It("podman untag single", func() { - session := podmanTest.PodmanNoCache([]string{"untag", ALPINE, "localhost/test:latest"}) + // No arguments -> remove all tags. + session = podmanTest.PodmanNoCache([]string{"untag", ALPINE}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - results := podmanTest.PodmanNoCache([]string{"images"}) - results.WaitWithDefaultTimeout() - Expect(results.ExitCode()).To(Equal(0)) - Expect(results.OutputToStringArray()).To(HaveLen(6)) - Expect(results.LineInOuputStartsWith("docker.io/library/alpine")).To(BeTrue()) - Expect(results.LineInOuputStartsWith("localhost/foo")).To(BeTrue()) - Expect(results.LineInOuputStartsWith("localhost/bar")).To(BeTrue()) - Expect(results.LineInOuputStartsWith("localhost/test")).To(BeFalse()) + // Make sure that none of tags exists anymore. + for _, t := range tags { + session = podmanTest.PodmanNoCache([]string{"image", "exists", t}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(1)) + } }) - It("podman untag not enough arguments", func() { - session := podmanTest.PodmanNoCache([]string{"untag"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).NotTo(Equal(0)) + It("podman tag/untag - tag normalization", func() { + tests := []struct { + tag, normalized string + }{ + {"registry.com/image:latest", "registry.com/image:latest"}, + {"registry.com/image", "registry.com/image:latest"}, + {"image:latest", "localhost/image:latest"}, + {"image", "localhost/image:latest"}, + } + + // Make sure that the user input is normalized correctly for + // `podman tag` and `podman untag`. + for _, tt := range tests { + session := podmanTest.PodmanNoCache([]string{"tag", ALPINE, tt.tag}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(0)) + + session = podmanTest.PodmanNoCache([]string{"image", "exists", tt.normalized}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(0)) + + session = podmanTest.PodmanNoCache([]string{"untag", ALPINE, tt.tag}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(0)) + + session = podmanTest.PodmanNoCache([]string{"image", "exists", tt.normalized}) + session.WaitWithDefaultTimeout() + Expect(session.ExitCode()).To(Equal(1)) + } }) + }) diff --git a/test/system/020-tag.bats b/test/system/020-tag.bats new file mode 100644 index 000000000..7593ad68f --- /dev/null +++ b/test/system/020-tag.bats @@ -0,0 +1,35 @@ +#!/usr/bin/env bats + +load helpers + +# helper function for "podman tag/untag" test +function _tag_and_check() { + local tag_as="$1" + local check_as="$2" + + run_podman tag $IMAGE $tag_as + run_podman image exists $check_as + run_podman untag $IMAGE $check_as + run_podman 1 image exists $check_as +} + +@test "podman tag/untag" { + # Test a fully-qualified image reference. + _tag_and_check registry.com/image:latest registry.com/image:latest + + # Test a reference without tag and make sure ":latest" is appended. + _tag_and_check registry.com/image registry.com/image:latest + + # Test a tagged short image and make sure "localhost/" is prepended. + _tag_and_check image:latest localhost/image:latest + + # Test a short image without tag and make sure "localhost/" is + # prepended and ":latest" is appended. + _tag_and_check image localhost/image:latest + + # Test error case. + run_podman 125 untag $IMAGE registry.com/foo:bar + is "$output" "Error: \"registry.com/foo:bar\": no such tag" +} + +# vim: filetype=sh |