github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2026-01-05 07:27:21 +00:00
Code Issues Projects Releases Wiki Activity

Add optional arguments to kubectl run ...

Browse Source
This commit is contained in:
Brendan Burns
2015-08-11 22:48:00 -07:00
parent a6148e79c3
commit 586931fe16
12 changed files with 305 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
pkg/kubectl/cmd/run.go
View File

@@ -44,7 +44,16 @@ $ kubectl run nginx --image=nginx --replicas=5
$ kubectl run nginx --image=nginx --dry-run
# Start a single instance of nginx, but overload the spec of the replication controller with a partial set of values parsed from JSON.
$ kubectl run nginx --image=nginx --overrides='{ "apiVersion": "v1", "spec": { ... } }'`
$ kubectl run nginx --image=nginx --overrides='{ "apiVersion": "v1", "spec": { ... } }'
# Start a single instance of nginx and keep it in the foreground, don't restart it if it exits.
$ kubectl run -i -tty nginx --image=nginx --restart=Never
# Start the nginx container using the default command, but use custom arguments (arg1 .. argN) for that command.
$ kubectl run nginx --image=nginx -- <arg1> <arg2> ... <argN>
# Start the nginx container using a different command and custom arguments
$ kubectl run nginx --image=nginx --command -- <cmd> <arg1> ... <argN>`
)
func NewCmdRun(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
@@ -74,6 +83,7 @@ func NewCmdRun(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *c
cmd.Flags().Bool("tty", false, "Allocated a TTY for each container in the pod. Because -t is currently shorthand for --template, -t is not supported for --tty. This shorthand is deprecated and we expect to adopt -t for --tty soon.")
cmd.Flags().Bool("attach", false, "If true, wait for the Pod to start running, and then attach to the Pod as if 'kubectl attach ...' were called. Default false, unless '-i/--interactive' is set, in which case the default is true.")
cmd.Flags().String("restart", "Always", "The restart policy for this Pod. Legal values [Always, OnFailure, Never]. If set to 'Always' a replication controller is created for this pod, if set to OnFailure or Never, only the Pod is created and --replicas must be 1. Default 'Always'")
cmd.Flags().Bool("command", false, "If true and extra arguments are present, use them as the 'command' field in the container, rather than the 'args' field which is the default.")
return cmd
}
@@ -82,7 +92,7 @@ func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cob
printDeprecationWarning("run", "run-container")
}
if len(args) != 1 {
if len(args) == 0 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
@@ -128,7 +138,9 @@ func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cob
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
if len(args) > 1 {
params["args"] = args[1:]
}
err = kubectl.ValidateParams(names, params)
if err != nil {
return err