func init() {
v, err := types.NewSemVer(version)
if err != nil {
panic(err)
}
AppContainerVersion = *v
}
// generatePodManifest creates the pod manifest from the command line input.
// It returns the pod manifest as []byte on success.
// This is invoked if no pod manifest is specified at the command line.
func generatePodManifest(cfg PrepareConfig, dir string) ([]byte, error) {
pm := schema.PodManifest{
ACKind: "PodManifest",
Apps: make(schema.AppList, 0),
}
v, err := types.NewSemVer(version.Version)
if err != nil {
return nil, fmt.Errorf("error creating version: %v", err)
}
pm.ACVersion = *v
if err := cfg.Apps.Walk(func(app *apps.App) error {
img := app.ImageID
am, err := cfg.Store.GetImageManifest(img.String())
if err != nil {
return fmt.Errorf("error getting the manifest: %v", err)
}
appName, err := imageNameToAppName(am.Name)
if err != nil {
return fmt.Errorf("error converting image name to app name: %v", err)
}
if err := prepareAppImage(cfg, *appName, img, dir, cfg.UseOverlay); err != nil {
return fmt.Errorf("error setting up image %s: %v", img, err)
}
if pm.Apps.Get(*appName) != nil {
return fmt.Errorf("error: multiple apps with name %s", am.Name)
}
if am.App == nil {
return fmt.Errorf("error: image %s has no app section", img)
}
ra := schema.RuntimeApp{
// TODO(vc): leverage RuntimeApp.Name for disambiguating the apps
Name: *appName,
App: am.App,
Image: schema.RuntimeImage{
Name: &am.Name,
ID: img,
},
Annotations: am.Annotations,
}
if execOverride := app.Exec; execOverride != "" {
ra.App.Exec = []string{execOverride}
}
if execAppends := app.Args; execAppends != nil {
ra.App.Exec = append(ra.App.Exec, execAppends...)
}
if cfg.InheritEnv || len(cfg.ExplicitEnv) > 0 {
MergeEnvs(&ra.App.Environment, cfg.InheritEnv, cfg.ExplicitEnv)
}
pm.Apps = append(pm.Apps, ra)
return nil
}); err != nil {
return nil, err
}
// TODO(jonboulle): check that app mountpoint expectations are
// satisfied here, rather than waiting for stage1
pm.Volumes = cfg.Volumes
pm.Ports = cfg.Ports
pmb, err := json.Marshal(pm)
if err != nil {
return nil, fmt.Errorf("error marshalling pod manifest: %v", err)
}
return pmb, nil
}
func GenerateManifest(layerData types.DockerImageData, dockerURL *types.ParsedDockerURL) (*schema.ImageManifest, error) {
dockerConfig := layerData.Config
genManifest := &schema.ImageManifest{}
appURL := ""
// omit docker hub index URL in app name
if dockerURL.IndexURL != defaultIndex {
appURL = dockerURL.IndexURL + "/"
}
appURL += dockerURL.ImageName + "-" + layerData.ID
appURL, err := appctypes.SanitizeACIdentifier(appURL)
if err != nil {
return nil, err
}
name := appctypes.MustACIdentifier(appURL)
genManifest.Name = *name
acVersion, err := appctypes.NewSemVer(schemaVersion)
if err != nil {
panic("invalid appc spec version")
}
genManifest.ACVersion = *acVersion
genManifest.ACKind = appctypes.ACKind(schema.ImageManifestKind)
var (
labels appctypes.Labels
parentLabels appctypes.Labels
annotations appctypes.Annotations
)
layer := appctypes.MustACIdentifier("layer")
labels = append(labels, appctypes.Label{Name: *layer, Value: layerData.ID})
tag := dockerURL.Tag
version := appctypes.MustACIdentifier("version")
labels = append(labels, appctypes.Label{Name: *version, Value: tag})
if layerData.OS != "" {
os := appctypes.MustACIdentifier("os")
labels = append(labels, appctypes.Label{Name: *os, Value: layerData.OS})
parentLabels = append(parentLabels, appctypes.Label{Name: *os, Value: layerData.OS})
if layerData.Architecture != "" {
arch := appctypes.MustACIdentifier("arch")
parentLabels = append(parentLabels, appctypes.Label{Name: *arch, Value: layerData.Architecture})
}
}
if layerData.Author != "" {
authorsKey := appctypes.MustACIdentifier("authors")
annotations = append(annotations, appctypes.Annotation{Name: *authorsKey, Value: layerData.Author})
}
epoch := time.Unix(0, 0)
if !layerData.Created.Equal(epoch) {
createdKey := appctypes.MustACIdentifier("created")
annotations = append(annotations, appctypes.Annotation{Name: *createdKey, Value: layerData.Created.Format(time.RFC3339)})
}
if layerData.Comment != "" {
commentKey := appctypes.MustACIdentifier("docker-comment")
annotations = append(annotations, appctypes.Annotation{Name: *commentKey, Value: layerData.Comment})
}
genManifest.Labels = labels
genManifest.Annotations = annotations
if dockerConfig != nil {
exec := getExecCommand(dockerConfig.Entrypoint, dockerConfig.Cmd)
if exec != nil {
user, group := parseDockerUser(dockerConfig.User)
var env appctypes.Environment
for _, v := range dockerConfig.Env {
parts := strings.SplitN(v, "=", 2)
env.Set(parts[0], parts[1])
}
app := &appctypes.App{
Exec: exec,
User: user,
Group: group,
Environment: env,
WorkingDirectory: dockerConfig.WorkingDir,
}
app.MountPoints, err = convertVolumesToMPs(dockerConfig.Volumes)
if err != nil {
return nil, err
}
app.Ports, err = convertPorts(dockerConfig.ExposedPorts, dockerConfig.PortSpecs)
if err != nil {
return nil, err
}
genManifest.App = app
}
}
if layerData.Parent != "" {
parentImageNameString := dockerURL.IndexURL + "/" + dockerURL.ImageName + "-" + layerData.Parent
parentImageNameString, err := appctypes.SanitizeACIdentifier(parentImageNameString)
if err != nil {
return nil, err
}
parentImageName := appctypes.MustACIdentifier(parentImageNameString)
genManifest.Dependencies = append(genManifest.Dependencies, appctypes.Dependency{ImageName: *parentImageName, Labels: parentLabels})
}
return genManifest, nil
}
func GenerateManifest(layerData types.DockerImageData, dockerURL *types.ParsedDockerURL) (*schema.ImageManifest, error) {
dockerConfig := layerData.Config
genManifest := &schema.ImageManifest{}
appURL := ""
// omit docker hub index URL in app name
if dockerURL.IndexURL != defaultIndex {
appURL = dockerURL.IndexURL + "/"
}
appURL += dockerURL.ImageName + "-" + layerData.ID
appURL, err := appctypes.SanitizeACName(appURL)
if err != nil {
return nil, err
}
name, err := appctypes.NewACName(appURL)
if err != nil {
return nil, err
}
genManifest.Name = *name
acVersion, err := appctypes.NewSemVer(schemaVersion)
if err != nil {
panic("invalid appc spec version")
}
genManifest.ACVersion = *acVersion
genManifest.ACKind = appctypes.ACKind(schema.ImageManifestKind)
var labels appctypes.Labels
var parentLabels appctypes.Labels
layer, _ := appctypes.NewACName("layer")
labels = append(labels, appctypes.Label{Name: *layer, Value: layerData.ID})
tag := dockerURL.Tag
version, _ := appctypes.NewACName("version")
labels = append(labels, appctypes.Label{Name: *version, Value: tag})
if layerData.OS != "" {
os, _ := appctypes.NewACName("os")
labels = append(labels, appctypes.Label{Name: *os, Value: layerData.OS})
parentLabels = append(parentLabels, appctypes.Label{Name: *os, Value: layerData.OS})
if layerData.Architecture != "" {
arch, _ := appctypes.NewACName("arch")
parentLabels = append(parentLabels, appctypes.Label{Name: *arch, Value: layerData.Architecture})
}
}
genManifest.Labels = labels
if dockerConfig != nil {
exec := getExecCommand(dockerConfig.Entrypoint, dockerConfig.Cmd)
if exec != nil {
user, group := parseDockerUser(dockerConfig.User)
var env appctypes.Environment
for _, v := range dockerConfig.Env {
parts := strings.SplitN(v, "=", 2)
env.Set(parts[0], parts[1])
}
app := &appctypes.App{
Exec: exec,
User: user,
Group: group,
Environment: env,
WorkingDirectory: dockerConfig.WorkingDir,
}
genManifest.App = app
}
}
if layerData.Parent != "" {
parentAppNameString := dockerURL.IndexURL + "/" + dockerURL.ImageName + "-" + layerData.Parent
parentAppNameString, err := appctypes.SanitizeACName(parentAppNameString)
if err != nil {
return nil, err
}
parentAppName, err := appctypes.NewACName(parentAppNameString)
if err != nil {
return nil, err
}
genManifest.Dependencies = append(genManifest.Dependencies, appctypes.Dependency{App: *parentAppName, Labels: parentLabels})
}
return genManifest, nil
}
