diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/adapter/containers.go | 56 | ||||
-rw-r--r-- | pkg/adapter/containers_remote.go | 23 | ||||
-rw-r--r-- | pkg/varlinkapi/images.go | 67 |
3 files changed, 137 insertions, 9 deletions
diff --git a/pkg/adapter/containers.go b/pkg/adapter/containers.go index ff7b6377a..34ee70d3d 100644 --- a/pkg/adapter/containers.go +++ b/pkg/adapter/containers.go @@ -6,6 +6,7 @@ import ( "bufio" "context" "fmt" + "io" "io/ioutil" "os" "path/filepath" @@ -15,9 +16,12 @@ import ( "syscall" "time" + "github.com/containers/buildah" + "github.com/containers/image/manifest" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/cmd/podman/shared" "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/pkg/adapter/shortcuts" "github.com/containers/libpod/pkg/systemdgen" "github.com/containers/psgo" @@ -1030,3 +1034,55 @@ func (r *LocalRuntime) GenerateSystemd(c *cliconfig.GenerateSystemdValues) (stri func (r *LocalRuntime) GetNamespaces(container shared.PsContainerOutput) *shared.Namespace { return shared.GetNamespaces(container.Pid) } + +// Commit creates a local image from a container +func (r *LocalRuntime) Commit(ctx context.Context, c *cliconfig.CommitValues, container, imageName string) (string, error) { + var ( + writer io.Writer + mimeType string + ) + switch c.Format { + case "oci": + mimeType = buildah.OCIv1ImageManifest + if c.Flag("message").Changed { + return "", errors.Errorf("messages are only compatible with the docker image format (-f docker)") + } + case "docker": + mimeType = manifest.DockerV2Schema2MediaType + default: + return "", errors.Errorf("unrecognized image format %q", c.Format) + } + if !c.Quiet { + writer = os.Stderr + } + ctr, err := r.Runtime.LookupContainer(container) + if err != nil { + return "", errors.Wrapf(err, "error looking up container %q", container) + } + + rtc, err := r.Runtime.GetConfig() + if err != nil { + return "", err + } + + sc := image.GetSystemContext(rtc.SignaturePolicyPath, "", false) + coptions := buildah.CommitOptions{ + SignaturePolicyPath: rtc.SignaturePolicyPath, + ReportWriter: writer, + SystemContext: sc, + PreferredManifestType: mimeType, + } + options := libpod.ContainerCommitOptions{ + CommitOptions: coptions, + Pause: c.Pause, + IncludeVolumes: c.IncludeVolumes, + Message: c.Message, + Changes: c.Change, + Author: c.Author, + } + newImage, err := ctr.Commit(ctx, imageName, options) + if err != nil { + return "", err + } + return newImage.ID(), nil +} diff --git a/pkg/adapter/containers_remote.go b/pkg/adapter/containers_remote.go index 0c0bce813..bc6a9cfcd 100644 --- a/pkg/adapter/containers_remote.go +++ b/pkg/adapter/containers_remote.go @@ -994,3 +994,26 @@ func (r *LocalRuntime) GetNamespaces(container shared.PsContainerOutput) *shared } return &ns } + +// Commit creates a local image from a container +func (r *LocalRuntime) Commit(ctx context.Context, c *cliconfig.CommitValues, container, imageName string) (string, error) { + var iid string + reply, err := iopodman.Commit().Send(r.Conn, varlink.More, container, imageName, c.Change, c.Author, c.Message, c.Pause, c.Format) + if err != nil { + return "", err + } + for { + responses, flags, err := reply() + if err != nil { + return "", err + } + for _, line := range responses.Logs { + fmt.Fprintln(os.Stderr, line) + } + iid = responses.Id + if flags&varlink.Continues == 0 { + break + } + } + return iid, nil +} diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go index fa1a0a109..1abc4f086 100644 --- a/pkg/varlinkapi/images.go +++ b/pkg/varlinkapi/images.go @@ -371,7 +371,6 @@ func (i *LibpodAPI) PushImage(call iopodman.VarlinkCall, name, tag string, compr done = true default: if !call.WantsMore() { - time.Sleep(1 * time.Second) break } br := iopodman.MoreResponse{ @@ -495,6 +494,9 @@ func (i *LibpodAPI) DeleteUnusedImages(call iopodman.VarlinkCall) error { // Commit ... func (i *LibpodAPI) Commit(call iopodman.VarlinkCall, name, imageName string, changes []string, author, message string, pause bool, manifestType string) error { + var newImage *image.Image + + output := bytes.NewBuffer([]byte{}) ctr, err := i.Runtime.LookupContainer(name) if err != nil { return call.ReplyContainerNotFound(name, err.Error()) @@ -515,7 +517,7 @@ func (i *LibpodAPI) Commit(call iopodman.VarlinkCall, name, imageName string, ch } coptions := buildah.CommitOptions{ SignaturePolicyPath: rtc.SignaturePolicyPath, - ReportWriter: nil, + ReportWriter: output, SystemContext: sc, PreferredManifestType: mimeType, } @@ -527,11 +529,61 @@ func (i *LibpodAPI) Commit(call iopodman.VarlinkCall, name, imageName string, ch Author: author, } - newImage, err := ctr.Commit(getContext(), imageName, options) - if err != nil { - return call.ReplyErrorOccurred(err.Error()) + if call.WantsMore() { + call.Continues = true } - return call.ReplyCommit(newImage.ID()) + + c := make(chan error) + + go func() { + newImage, err = ctr.Commit(getContext(), imageName, options) + if err != nil { + c <- err + } + c <- nil + close(c) + }() + + var log []string + done := false + for { + line, err := output.ReadString('\n') + if err == nil { + log = append(log, line) + continue + } else if err == io.EOF { + select { + case err := <-c: + if err != nil { + logrus.Errorf("reading of output during commit failed for %s", name) + return call.ReplyErrorOccurred(err.Error()) + } + done = true + default: + if !call.WantsMore() { + break + } + br := iopodman.MoreResponse{ + Logs: log, + } + call.ReplyCommit(br) + log = []string{} + } + } else { + return call.ReplyErrorOccurred(err.Error()) + } + if done { + break + } + } + call.Continues = false + + br := iopodman.MoreResponse{ + Logs: log, + Id: newImage.ID(), + } + + return call.ReplyCommit(br) } // ImportImage imports an image from a tarball to the image store @@ -633,7 +685,6 @@ func (i *LibpodAPI) PullImage(call iopodman.VarlinkCall, name string) error { done = true default: if !call.WantsMore() { - time.Sleep(1 * time.Second) break } br := iopodman.MoreResponse{ @@ -764,7 +815,6 @@ func (i *LibpodAPI) ImageSave(call iopodman.VarlinkCall, options iopodman.ImageS done = true default: if !call.WantsMore() { - time.Sleep(1 * time.Second) break } br := iopodman.MoreResponse{ @@ -844,7 +894,6 @@ func (i *LibpodAPI) LoadImage(call iopodman.VarlinkCall, name, inputFile string, done = true default: if !call.WantsMore() { - time.Sleep(1 * time.Second) break } br := iopodman.MoreResponse{ |