// 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 && app.Exec == "" {
return fmt.Errorf("error: image %s has no app section and --exec argument is not provided", 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,
Labels: am.Labels,
},
Annotations: am.Annotations,
Mounts: MergeMounts(cfg.Apps.Mounts, app.Mounts),
}
if execOverride := app.Exec; execOverride != "" {
// Create a minimal App section if not present
if am.App == nil {
ra.App = &types.App{
User: strconv.Itoa(os.Getuid()),
Group: strconv.Itoa(os.Getgid()),
}
}
ra.App.Exec = []string{execOverride}
}
if execAppends := app.Args; execAppends != nil {
ra.App.Exec = append(ra.App.Exec, execAppends...)
}
if memoryOverride := app.MemoryLimit; memoryOverride != nil {
isolator := memoryOverride.AsIsolator()
ra.App.Isolators = append(ra.App.Isolators, isolator)
}
if cpuOverride := app.CPULimit; cpuOverride != nil {
isolator := cpuOverride.AsIsolator()
ra.App.Isolators = append(ra.App.Isolators, isolator)
}
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.Apps.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
}
// 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 := prepareAppImage(cfg, img, dir, cfg.UseOverlay)
if err != nil {
return fmt.Errorf("error setting up image %s: %v", img, err)
}
if pm.Apps.Get(am.Name) != 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: am.Name,
Image: schema.RuntimeImage{
Name: &am.Name,
ID: img,
},
Annotations: am.Annotations,
}
if execAppends := app.Args; execAppends != nil {
ra.App = am.App
ra.App.Exec = append(ra.App.Exec, execAppends...)
}
if cfg.InheritEnv || len(cfg.ExplicitEnv) > 0 {
if ra.App == nil {
ra.App = am.App
}
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
}
