// CreateConfigMap is the implementation of the create configmap command.
func CreateConfigMap(f *cmdutil.Factory, cmdOut io.Writer, cmd *cobra.Command, args []string) error {
name, err := NameFromCommandArgs(cmd, args)
if err != nil {
return err
}
var generator kubectl.StructuredGenerator
switch generatorName := cmdutil.GetFlagString(cmd, "generator"); generatorName {
case cmdutil.ConfigMapV1GeneratorName:
generator = &kubectl.ConfigMapGeneratorV1{
Name: name,
FileSources: cmdutil.GetFlagStringSlice(cmd, "from-file"),
LiteralSources: cmdutil.GetFlagStringSlice(cmd, "from-literal"),
}
default:
return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not supported.", generatorName))
}
return RunCreateSubcommand(f, cmd, cmdOut, &CreateSubcommandOptions{
Name: name,
StructuredGenerator: generator,
DryRun: cmdutil.GetDryRunFlag(cmd),
OutputFormat: cmdutil.GetFlagString(cmd, "output"),
})
}
func TestGetEnv(t *testing.T) {
test := struct {
input []string
expected []string
}{
input: []string{"a=b", "c=d"},
expected: []string{"a=b", "c=d"},
}
cmd := &cobra.Command{}
cmd.Flags().StringSlice("env", test.input, "")
envStrings := cmdutil.GetFlagStringSlice(cmd, "env")
if len(envStrings) != 2 || !reflect.DeepEqual(envStrings, test.expected) {
t.Errorf("expected: %s, saw: %s", test.expected, envStrings)
}
}
func dumpClusterInfo(f *cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
var c *unversioned.Client
var err error
if c, err = f.Client(); err != nil {
return err
}
printer, _, err := kubectl.GetPrinter("json", "")
if err != nil {
return err
}
nodes, err := c.Nodes().List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(nodes, setupOutputWriter(cmd, out, "nodes.json")); err != nil {
return err
}
var namespaces []string
if cmdutil.GetFlagBool(cmd, "all-namespaces") {
namespaceList, err := c.Namespaces().List(api.ListOptions{})
if err != nil {
return err
}
for ix := range namespaceList.Items {
namespaces = append(namespaces, namespaceList.Items[ix].Name)
}
} else {
namespaces = cmdutil.GetFlagStringSlice(cmd, "namespaces")
if len(namespaces) == 0 {
cmdNamespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
namespaces = []string{
api.NamespaceSystem,
cmdNamespace,
}
}
}
for _, namespace := range namespaces {
// TODO: this is repetitive in the extreme. Use reflection or
// something to make this a for loop.
events, err := c.Events(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(events, setupOutputWriter(cmd, out, path.Join(namespace, "events.json"))); err != nil {
return err
}
rcs, err := c.ReplicationControllers(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(rcs, setupOutputWriter(cmd, out, path.Join(namespace, "replication-controllers.json"))); err != nil {
return err
}
svcs, err := c.Services(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(svcs, setupOutputWriter(cmd, out, path.Join(namespace, "services.json"))); err != nil {
return err
}
sets, err := c.DaemonSets(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(sets, setupOutputWriter(cmd, out, path.Join(namespace, "daemonsets.json"))); err != nil {
return err
}
deps, err := c.Deployments(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(deps, setupOutputWriter(cmd, out, path.Join(namespace, "deployments.json"))); err != nil {
return err
}
rps, err := c.ReplicaSets(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(rps, setupOutputWriter(cmd, out, path.Join(namespace, "replicasets.json"))); err != nil {
return err
}
pods, err := c.Pods(namespace).List(api.ListOptions{})
if err != nil {
return err
}
if err := printer.PrintObj(pods, setupOutputWriter(cmd, out, path.Join(namespace, "pods.json"))); err != nil {
return err
}
for ix := range pods.Items {
pod := &pods.Items[ix]
writer := setupOutputWriter(cmd, out, path.Join(namespace, pod.Name, "logs.txt"))
writer.Write([]byte(fmt.Sprintf("==== START logs for %s/%s ====\n", pod.Namespace, pod.Name)))
request, err := f.LogsForObject(pod, &api.PodLogOptions{})
if err != nil {
return err
}
data, err := request.DoRaw()
if err != nil {
return err
}
writer.Write(data)
writer.Write([]byte(fmt.Sprintf("==== END logs for %s/%s ====\n", pod.Namespace, pod.Name)))
}
}
dir := cmdutil.GetFlagString(cmd, "output-directory")
if len(dir) == 0 {
dir = "."
}
if dir != "-" {
fmt.Fprintf(out, "Cluster info dumped to %s", dir)
}
return nil
}
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error {
if len(os.Args) > 1 && os.Args[1] == "run-container" {
printDeprecationWarning("run", "run-container")
}
// Let kubectl run follow rules for `--`, see #13004 issue
if len(args) == 0 || argsLenAtDash == 0 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
interactive := cmdutil.GetFlagBool(cmd, "stdin")
tty := cmdutil.GetFlagBool(cmd, "tty")
if tty && !interactive {
return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with -t/--tty=true")
}
replicas := cmdutil.GetFlagInt(cmd, "replicas")
if interactive && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
restartPolicy, err := getRestartPolicy(cmd, interactive)
if err != nil {
return err
}
if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas))
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
if len(generatorName) == 0 {
client, err := f.Client()
if err != nil {
return err
}
resourcesList, err := client.Discovery().ServerResources()
// ServerResources ignores errors for old servers do not expose discovery
if err != nil {
return fmt.Errorf("failed to discover supported resources: %v", err)
}
switch restartPolicy {
case api.RestartPolicyAlways:
if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("deployments")) {
generatorName = "deployment/v1beta1"
} else {
generatorName = "run/v1"
}
case api.RestartPolicyOnFailure:
if contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) {
generatorName = "job/v1"
} else if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("jobs")) {
generatorName = "job/v1beta1"
} else {
generatorName = "run-pod/v1"
}
case api.RestartPolicyNever:
generatorName = "run-pod/v1"
}
}
generators := f.Generators("run")
generator, found := generators[generatorName]
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
if len(args) > 1 {
params["args"] = args[1:]
}
params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")
obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace)
if err != nil {
return err
}
if cmdutil.GetFlagBool(cmd, "expose") {
serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator")
if len(serviceGenerator) == 0 {
return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified"))
}
if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil {
return err
}
}
attachFlag := cmd.Flags().Lookup("attach")
attach := cmdutil.GetFlagBool(cmd, "attach")
if !attachFlag.Changed && interactive {
attach = true
}
remove := cmdutil.GetFlagBool(cmd, "rm")
if !attach && remove {
return cmdutil.UsageError(cmd, "--rm should only be used for attached containers")
}
if attach {
opts := &AttachOptions{
In: cmdIn,
Out: cmdOut,
Err: cmdErr,
Stdin: interactive,
TTY: tty,
CommandName: cmd.Parent().CommandPath() + " attach",
Attach: &DefaultRemoteAttach{},
}
config, err := f.ClientConfig()
if err != nil {
return err
}
opts.Config = config
client, err := f.Client()
if err != nil {
return err
}
opts.Client = client
attachablePod, err := f.AttachablePodForObject(obj)
if err != nil {
return err
}
err = handleAttachPod(f, client, attachablePod, opts)
if err != nil {
return err
}
if remove {
namespace, err = mapping.MetadataAccessor.Namespace(obj)
if err != nil {
return err
}
var name string
name, err = mapping.MetadataAccessor.Name(obj)
if err != nil {
return err
}
_, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
ResourceNames(mapping.Resource, name).
Flatten().
Do()
return ReapResult(r, f, cmdOut, true, true, 0, -1, false, mapper)
}
return nil
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, mapper, obj, cmdOut)
}
cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created")
return nil
}