func runEnter(cmd *cobra.Command, args []string) (exit int) {
if len(args) < 1 {
cmd.Usage()
return 1
}
p, err := getPodFromUUIDString(args[0])
if err != nil {
stderr.PrintE("problem retrieving pod", err)
return 1
}
defer p.Close()
if !p.isRunning() {
stderr.Printf("pod %q isn't currently running", p.uuid)
return 1
}
podPID, err := p.getContainerPID1()
if err != nil {
stderr.PrintE(fmt.Sprintf("unable to determine the pid for pod %q", p.uuid), err)
return 1
}
appName, err := getAppName(p)
if err != nil {
stderr.PrintE("unable to determine app name", err)
return 1
}
argv, err := getEnterArgv(p, args)
if err != nil {
stderr.PrintE("enter failed", err)
return 1
}
s, err := store.NewStore(getDataDir())
if err != nil {
stderr.PrintE("cannot open store", err)
return 1
}
stage1TreeStoreID, err := p.getStage1TreeStoreID()
if err != nil {
stderr.PrintE("error getting stage1 treeStoreID", err)
return 1
}
stage1RootFS := s.GetTreeStoreRootFS(stage1TreeStoreID)
if err = stage0.Enter(p.path(), podPID, *appName, stage1RootFS, argv); err != nil {
stderr.PrintE("enter failed", err)
return 1
}
// not reached when stage0.Enter execs /enter
return 0
}
func runEnter(cmd *cobra.Command, args []string) (exit int) {
if len(args) < 1 {
cmd.Usage()
return 1
}
podUUID, err := resolveUUID(args[0])
if err != nil {
stderr("Unable to resolve UUID: %v", err)
return 1
}
p, err := getPod(podUUID)
if err != nil {
stderr("Failed to open pod %q: %v", podUUID, err)
return 1
}
defer p.Close()
if !p.isRunning() {
stderr("Pod %q isn't currently running", podUUID)
return 1
}
podPID, err := p.getPID()
if err != nil {
stderr("Unable to determine the pid for pod %q: %v", podUUID, err)
return 1
}
appName, err := getAppName(p)
if err != nil {
stderr("Unable to determine app name: %v", err)
return 1
}
argv, err := getEnterArgv(p, args)
if err != nil {
stderr("Enter failed: %v", err)
return 1
}
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("Cannot open store: %v", err)
return 1
}
stage1ID, err := p.getStage1Hash()
if err != nil {
stderr("Error getting stage1 hash")
return 1
}
stage1RootFS := s.GetTreeStoreRootFS(stage1ID.String())
if err = stage0.Enter(p.path(), podPID, *appName, stage1RootFS, argv); err != nil {
stderr("Enter failed: %v", err)
return 1
}
// not reached when stage0.Enter execs /enter
return 0
}
func runEnter(cmd *cobra.Command, args []string) (exit int) {
if len(args) < 1 {
cmd.Usage()
return 254
}
p, err := pkgPod.PodFromUUIDString(getDataDir(), args[0])
if err != nil {
stderr.PrintE("problem retrieving pod", err)
return 254
}
defer p.Close()
if p.State() != pkgPod.Running {
stderr.Printf("pod %q isn't currently running", p.UUID)
return 254
}
podPID, err := p.ContainerPid1()
if err != nil {
stderr.PrintE(fmt.Sprintf("unable to determine the pid for pod %q", p.UUID), err)
return 254
}
appName, err := getAppName(p)
if err != nil {
stderr.PrintE("unable to determine app name", err)
return 254
}
argv, err := getEnterArgv(p, args)
if err != nil {
stderr.PrintE("enter failed", err)
return 254
}
s, err := imagestore.NewStore(storeDir())
if err != nil {
stderr.PrintE("cannot open store", err)
return 254
}
ts, err := treestore.NewStore(treeStoreDir(), s)
if err != nil {
stderr.PrintE("cannot open store", err)
return 254
}
stage1TreeStoreID, err := p.GetStage1TreeStoreID()
if err != nil {
stderr.PrintE("error getting stage1 treeStoreID", err)
return 254
}
stage1RootFS := ts.GetRootFS(stage1TreeStoreID)
if err = stage0.Enter(p.Path(), podPID, *appName, stage1RootFS, argv); err != nil {
stderr.PrintE("enter failed", err)
return 254
}
// not reached when stage0.Enter execs /enter
return 0
}
