diff options
Diffstat (limited to 'libpod/adapter/runtime_remote.go')
-rw-r--r-- | libpod/adapter/runtime_remote.go | 151 |
1 files changed, 149 insertions, 2 deletions
diff --git a/libpod/adapter/runtime_remote.go b/libpod/adapter/runtime_remote.go index 715728d21..2f22dd36b 100644 --- a/libpod/adapter/runtime_remote.go +++ b/libpod/adapter/runtime_remote.go @@ -2,23 +2,43 @@ package adapter -import "github.com/urfave/cli" +import ( + "context" + "fmt" + "github.com/containers/libpod/cmd/podman/varlink" + "github.com/containers/libpod/libpod/image" + "github.com/opencontainers/go-digest" + "github.com/urfave/cli" + "github.com/varlink/go/varlink" + "strings" + "time" +) + +// ImageRuntime is wrapper for image runtime +type RemoteImageRuntime struct{} // RemoteRuntime describes a wrapper runtime struct -type RemoteRuntime struct{} +type RemoteRuntime struct { +} // LocalRuntime describes a typical libpod runtime type LocalRuntime struct { Runtime *RemoteRuntime Remote bool + Conn *varlink.Connection } // GetRuntime returns a LocalRuntime struct with the actual runtime embedded in it func GetRuntime(c *cli.Context) (*LocalRuntime, error) { runtime := RemoteRuntime{} + conn, err := runtime.Connect() + if err != nil { + return nil, err + } return &LocalRuntime{ Runtime: &runtime, Remote: true, + Conn: conn, }, nil } @@ -26,3 +46,130 @@ func GetRuntime(c *cli.Context) (*LocalRuntime, error) { func (r RemoteRuntime) Shutdown(force bool) error { return nil } + +// ContainerImage +type ContainerImage struct { + remoteImage +} + +type remoteImage struct { + ID string + Labels map[string]string + RepoTags []string + RepoDigests []string + Parent string + Size int64 + Tag string + Repository string + Created time.Time + InputName string + Names []string + Digest digest.Digest + isParent bool +} + +// GetImages returns a slice of containerimages over a varlink connection +func (r *LocalRuntime) GetImages() ([]*ContainerImage, error) { + var newImages []*ContainerImage + images, err := iopodman.ListImages().Call(r.Conn) + if err != nil { + return nil, err + } + for _, i := range images { + name := i.Id + if len(i.RepoTags) > 1 { + name = i.RepoTags[0] + } + newImage, err := imageInListToContainerImage(i, name) + if err != nil { + return nil, err + } + newImages = append(newImages, newImage) + } + return newImages, nil +} + +func imageInListToContainerImage(i iopodman.ImageInList, name string) (*ContainerImage, error) { + imageParts, err := image.DecomposeString(name) + if err != nil { + return nil, err + } + created, err := splitStringDate(i.Created) + if err != nil { + return nil, err + } + ri := remoteImage{ + InputName: name, + ID: i.Id, + Labels: i.Labels, + RepoTags: i.RepoTags, + RepoDigests: i.RepoTags, + Parent: i.ParentId, + Size: i.Size, + Created: created, + Tag: imageParts.Tag, + Repository: imageParts.Registry, + Names: i.RepoTags, + isParent: i.IsParent, + } + return &ContainerImage{ri}, nil +} + +// NewImageFromLocal returns a container image representation of a image over varlink +func (r *LocalRuntime) NewImageFromLocal(name string) (*ContainerImage, error) { + img, err := iopodman.GetImage().Call(r.Conn, name) + if err != nil { + return nil, err + } + return imageInListToContainerImage(img, name) + +} + +func splitStringDate(d string) (time.Time, error) { + fields := strings.Fields(d) + t := fmt.Sprintf("%sT%sZ", fields[0], fields[1]) + return time.ParseInLocation(time.RFC3339Nano, t, time.UTC) +} + +// IsParent goes through the layers in the store and checks if i.TopLayer is +// the parent of any other layer in store. Double check that image with that +// layer exists as well. +func (ci *ContainerImage) IsParent() (bool, error) { + return ci.remoteImage.isParent, nil +} + +// ID returns the image ID as a string +func (ci *ContainerImage) ID() string { + return ci.remoteImage.ID +} + +// Names returns a string array of names associated with the image +func (ci *ContainerImage) Names() []string { + return ci.remoteImage.Names +} + +// Created returns the time the image was created +func (ci *ContainerImage) Created() time.Time { + return ci.remoteImage.Created +} + +// Size returns the size of the image +func (ci *ContainerImage) Size(ctx context.Context) (*uint64, error) { + usize := uint64(ci.remoteImage.Size) + return &usize, nil +} + +// Digest returns the image's digest +func (ci *ContainerImage) Digest() digest.Digest { + return ci.remoteImage.Digest +} + +// Labels returns a map of the image's labels +func (ci *ContainerImage) Labels(ctx context.Context) (map[string]string, error) { + return ci.remoteImage.Labels, nil +} + +// Dangling returns a bool if the image is "dangling" +func (ci *ContainerImage) Dangling() bool { + return len(ci.Names()) == 0 +} |