func nsenterAction(context *cli.Context) {
args := context.Args()
if len(args) == 0 {
args = []string{"/bin/bash"}
}
container, err := loadContainerFromJson(context.String("containerjson"))
if err != nil {
log.Fatalf("unable to load container: %s", err)
}
nspid := context.Int("nspid")
if nspid <= 0 {
log.Fatalf("cannot enter into namespaces without valid pid: %q", nspid)
}
if err := namespaces.NsEnter(container, args); err != nil {
log.Fatalf("failed to nsenter: %s", err)
}
}
func nsenterAction(context *cli.Context) {
args := context.Args()
if len(args) < 4 {
log.Fatalf("incorrect usage: <pid> <process label> <container JSON> <cmd>...")
}
container, err := loadContainerFromJson(args.Get(2))
if err != nil {
log.Fatalf("unable to load container: %s", err)
}
nspid, err := strconv.Atoi(args.Get(0))
if err != nil {
log.Fatalf("unable to read pid: %s from %q", err, args.Get(0))
}
if nspid <= 0 {
log.Fatalf("cannot enter into namespaces without valid pid: %q", nspid)
}
if err := namespaces.NsEnter(container, args.Get(1), nspid, args[3:]); err != nil {
log.Fatalf("failed to nsenter: %s", err)
}
}