ScheduledJob kubectl changes

This commit is contained in:
Maciej Szulik 2016-05-18 10:11:35 +02:00
parent e6c327048e
commit b5c68a9015
5 changed files with 252 additions and 9 deletions

View File

@ -69,7 +69,10 @@ var (
kubectl run nginx --image=nginx --command -- <cmd> <arg1> ... <argN>
# Start the perl container to compute π to 2000 places and print it out.
kubectl run pi --image=perl --restart=OnFailure -- perl -Mbignum=bpi -wle 'print bpi(2000)'`)
kubectl run pi --image=perl --restart=OnFailure -- perl -Mbignum=bpi -wle 'print bpi(2000)'
# Start the scheduled job to compute π to 2000 places and print it out every 5 minutes.
kubectl run pi --schedule="* 0/5 * * * ?" --image=perl --restart=OnFailure -- perl -Mbignum=bpi -wle 'print bpi(2000)'`)
)
func NewCmdRun(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
@ -118,6 +121,7 @@ func addRunFlags(cmd *cobra.Command) {
cmd.Flags().String("service-generator", "service/v2", "The name of the generator to use for creating a service. Only used if --expose is true")
cmd.Flags().String("service-overrides", "", "An inline JSON override for the generated service object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field. Only used if --expose is true.")
cmd.Flags().Bool("quiet", false, "If true, suppress prompt messages.")
cmd.Flags().String("schedule", "", "A schedule in the Cron format the job should be run with.")
}
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error {
@ -154,6 +158,10 @@ func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cob
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
schedule := cmdutil.GetFlagString(cmd, "schedule")
if len(schedule) != 0 && len(generatorName) == 0 {
generatorName = "scheduledjob/v2alpha1"
}
if len(generatorName) == 0 {
client, err := f.Client()
if err != nil {

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@ -164,6 +164,7 @@ const (
DeploymentV1Beta1GeneratorName = "deployment/v1beta1"
JobV1Beta1GeneratorName = "job/v1beta1"
JobV1GeneratorName = "job/v1"
ScheduledJobV2Alpha1GeneratorName = "scheduledjob/v2alpha1"
NamespaceV1GeneratorName = "namespace/v1"
ResourceQuotaV1GeneratorName = "resourcequotas/v1"
SecretV1GeneratorName = "secret/v1"
@ -180,11 +181,12 @@ func DefaultGenerators(cmdName string) map[string]kubectl.Generator {
ServiceV2GeneratorName: kubectl.ServiceGeneratorV2{},
}
generators["run"] = map[string]kubectl.Generator{
RunV1GeneratorName: kubectl.BasicReplicationController{},
RunPodV1GeneratorName: kubectl.BasicPod{},
DeploymentV1Beta1GeneratorName: kubectl.DeploymentV1Beta1{},
JobV1Beta1GeneratorName: kubectl.JobV1Beta1{},
JobV1GeneratorName: kubectl.JobV1{},
RunV1GeneratorName: kubectl.BasicReplicationController{},
RunPodV1GeneratorName: kubectl.BasicPod{},
DeploymentV1Beta1GeneratorName: kubectl.DeploymentV1Beta1{},
JobV1Beta1GeneratorName: kubectl.JobV1Beta1{},
JobV1GeneratorName: kubectl.JobV1{},
ScheduledJobV2Alpha1GeneratorName: kubectl.ScheduledJobV2Alpha1{},
}
generators["autoscale"] = map[string]kubectl.Generator{
HorizontalPodAutoscalerV1Beta1GeneratorName: kubectl.HorizontalPodAutoscalerV1Beta1{},

View File

@ -109,6 +109,7 @@ func describerMap(c *client.Client) map[unversioned.GroupKind]Describer {
extensions.Kind("Deployment"): &DeploymentDescriber{adapter.FromUnversionedClient(c)},
extensions.Kind("Job"): &JobDescriber{c},
batch.Kind("Job"): &JobDescriber{c},
batch.Kind("ScheduledJob"): &ScheduledJobDescriber{adapter.FromUnversionedClient(c)},
apps.Kind("PetSet"): &PetSetDescriber{c},
extensions.Kind("Ingress"): &IngressDescriber{c},
}
@ -1019,6 +1020,14 @@ func describeStatus(stateName string, state api.ContainerState, out io.Writer) {
}
}
func printBoolPtr(value *bool) string {
if value != nil {
return printBool(*value)
}
return "<unset>"
}
func printBool(value bool) string {
if value {
return "True"
@ -1148,18 +1157,18 @@ func describeReplicaSet(rs *extensions.ReplicaSet, events *api.EventList, runnin
// JobDescriber generates information about a job and the pods it has created.
type JobDescriber struct {
client *client.Client
client.Interface
}
func (d *JobDescriber) Describe(namespace, name string, describerSettings DescriberSettings) (string, error) {
job, err := d.client.Extensions().Jobs(namespace).Get(name)
job, err := d.Batch().Jobs(namespace).Get(name)
if err != nil {
return "", err
}
var events *api.EventList
if describerSettings.ShowEvents {
events, _ = d.client.Events(namespace).Search(job)
events, _ = d.Events(namespace).Search(job)
}
return describeJob(job, events)
@ -1194,6 +1203,92 @@ func describeJob(job *batch.Job, events *api.EventList) (string, error) {
})
}
// ScheduledJobDescriber generates information about a scheduled job and the jobs it has created.
type ScheduledJobDescriber struct {
clientset.Interface
}
func (d *ScheduledJobDescriber) Describe(namespace, name string, describerSettings DescriberSettings) (string, error) {
scheduledJob, err := d.Batch().ScheduledJobs(namespace).Get(name)
if err != nil {
return "", err
}
var events *api.EventList
if describerSettings.ShowEvents {
events, _ = d.Core().Events(namespace).Search(scheduledJob)
}
return describeScheduledJob(scheduledJob, events)
}
func describeScheduledJob(scheduledJob *batch.ScheduledJob, events *api.EventList) (string, error) {
return tabbedString(func(out io.Writer) error {
fmt.Fprintf(out, "Name:\t%s\n", scheduledJob.Name)
fmt.Fprintf(out, "Namespace:\t%s\n", scheduledJob.Namespace)
fmt.Fprintf(out, "Schedule:\t%s\n", scheduledJob.Spec.Schedule)
fmt.Fprintf(out, "Concurrency Policy:\t%s\n", scheduledJob.Spec.ConcurrencyPolicy)
fmt.Fprintf(out, "Suspend:\t%s\n", printBoolPtr(scheduledJob.Spec.Suspend))
if scheduledJob.Spec.StartingDeadlineSeconds != nil {
fmt.Fprintf(out, "Starting Deadline Seconds:\t%ds\n", *scheduledJob.Spec.StartingDeadlineSeconds)
} else {
fmt.Fprintf(out, "Starting Deadline Seconds:\t<unset>\n")
}
describeJobTemplate(scheduledJob.Spec.JobTemplate, out)
printLabelsMultiline(out, "Labels", scheduledJob.Labels)
if scheduledJob.Status.LastScheduleTime != nil {
fmt.Fprintf(out, "Last Schedule Time:\t%s\n", scheduledJob.Status.LastScheduleTime.Time.Format(time.RFC1123Z))
} else {
fmt.Fprintf(out, "Last Schedule Time:\t<unset>\n")
}
printActiveJobs(out, "Active Jobs", scheduledJob.Status.Active)
if events != nil {
DescribeEvents(events, out)
}
return nil
})
}
func describeJobTemplate(jobTemplate batch.JobTemplateSpec, out io.Writer) {
fmt.Fprintf(out, "Image(s):\t%s\n", makeImageList(&jobTemplate.Spec.Template.Spec))
if jobTemplate.Spec.Selector != nil {
selector, _ := unversioned.LabelSelectorAsSelector(jobTemplate.Spec.Selector)
fmt.Fprintf(out, "Selector:\t%s\n", selector)
} else {
fmt.Fprintf(out, "Selector:\t<unset>\n")
}
if jobTemplate.Spec.Parallelism != nil {
fmt.Fprintf(out, "Parallelism:\t%d\n", *jobTemplate.Spec.Parallelism)
} else {
fmt.Fprintf(out, "Parallelism:\t<unset>\n")
}
if jobTemplate.Spec.Completions != nil {
fmt.Fprintf(out, "Completions:\t%d\n", *jobTemplate.Spec.Completions)
} else {
fmt.Fprintf(out, "Completions:\t<unset>\n")
}
if jobTemplate.Spec.ActiveDeadlineSeconds != nil {
fmt.Fprintf(out, "Active Deadline Seconds:\t%ds\n", *jobTemplate.Spec.ActiveDeadlineSeconds)
}
describeVolumes(jobTemplate.Spec.Template.Spec.Volumes, out, "")
}
func printActiveJobs(out io.Writer, title string, jobs []api.ObjectReference) {
fmt.Fprintf(out, "%s:\t", title)
if len(jobs) == 0 {
fmt.Fprintln(out, "<none>")
return
}
for i, job := range jobs {
if i != 0 {
fmt.Fprint(out, ", ")
}
fmt.Fprintf(out, "%s", job.Name)
}
fmt.Fprintln(out, "")
}
// DaemonSetDescriber generates information about a daemon set and the pods it has created.
type DaemonSetDescriber struct {
client.Interface

View File

@ -414,6 +414,7 @@ var podTemplateColumns = []string{"TEMPLATE", "CONTAINER(S)", "IMAGE(S)", "PODLA
var replicationControllerColumns = []string{"NAME", "DESIRED", "CURRENT", "AGE"}
var replicaSetColumns = []string{"NAME", "DESIRED", "CURRENT", "AGE"}
var jobColumns = []string{"NAME", "DESIRED", "SUCCESSFUL", "AGE"}
var scheduledJobColumns = []string{"NAME", "SCHEDULE", "SUSPEND", "ACTIVE", "LAST-SCHEDULE"}
var serviceColumns = []string{"NAME", "CLUSTER-IP", "EXTERNAL-IP", "PORT(S)", "AGE"}
var ingressColumns = []string{"NAME", "HOSTS", "ADDRESS", "PORTS", "AGE"}
var petSetColumns = []string{"NAME", "DESIRED", "CURRENT", "AGE"}
@ -459,6 +460,8 @@ func (h *HumanReadablePrinter) addDefaultHandlers() {
h.Handler(daemonSetColumns, printDaemonSetList)
h.Handler(jobColumns, printJob)
h.Handler(jobColumns, printJobList)
h.Handler(scheduledJobColumns, printScheduledJob)
h.Handler(scheduledJobColumns, printScheduledJobList)
h.Handler(serviceColumns, printService)
h.Handler(serviceColumns, printServiceList)
h.Handler(ingressColumns, printIngress)
@ -970,6 +973,42 @@ func printJobList(list *batch.JobList, w io.Writer, options PrintOptions) error
return nil
}
func printScheduledJob(scheduledJob *batch.ScheduledJob, w io.Writer, options PrintOptions) error {
name := scheduledJob.Name
namespace := scheduledJob.Namespace
if options.WithNamespace {
if _, err := fmt.Fprintf(w, "%s\t", namespace); err != nil {
return err
}
}
lastScheduleTime := "<none>"
if scheduledJob.Status.LastScheduleTime != nil {
lastScheduleTime = scheduledJob.Status.LastScheduleTime.Time.Format(time.RFC1123Z)
}
if _, err := fmt.Fprintf(w, "%s\t%s\t%s\t%d\t%s\n",
name,
scheduledJob.Spec.Schedule,
printBoolPtr(scheduledJob.Spec.Suspend),
len(scheduledJob.Status.Active),
lastScheduleTime,
); err != nil {
return err
}
return nil
}
func printScheduledJobList(list *batch.ScheduledJobList, w io.Writer, options PrintOptions) error {
for _, scheduledJob := range list.Items {
if err := printScheduledJob(&scheduledJob, w, options); err != nil {
return err
}
}
return nil
}
// loadBalancerStatusStringer behaves mostly like a string interface and converts the given status to a string.
// `wide` indicates whether the returned value is meant for --o=wide output. If not, it's clipped to 16 bytes.
func loadBalancerStatusStringer(s api.LoadBalancerStatus, wide bool) string {

View File

@ -27,6 +27,7 @@ import (
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/apis/batch"
batchv1 "k8s.io/kubernetes/pkg/apis/batch/v1"
batchv2alpha1 "k8s.io/kubernetes/pkg/apis/batch/v2alpha1"
"k8s.io/kubernetes/pkg/apis/extensions"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/validation"
@ -394,6 +395,104 @@ func (JobV1) Generate(genericParams map[string]interface{}) (runtime.Object, err
return &job, nil
}
type ScheduledJobV2Alpha1 struct{}
func (ScheduledJobV2Alpha1) ParamNames() []GeneratorParam {
return []GeneratorParam{
{"labels", false},
{"default-name", false},
{"name", true},
{"image", true},
{"port", false},
{"hostport", false},
{"stdin", false},
{"leave-stdin-open", false},
{"tty", false},
{"command", false},
{"args", false},
{"env", false},
{"requests", false},
{"limits", false},
{"restart", false},
{"schedule", true},
}
}
func (ScheduledJobV2Alpha1) Generate(genericParams map[string]interface{}) (runtime.Object, error) {
args, err := getArgs(genericParams)
if err != nil {
return nil, err
}
envs, err := getV1Envs(genericParams)
if err != nil {
return nil, err
}
params, err := getParams(genericParams)
if err != nil {
return nil, err
}
name, err := getName(params)
if err != nil {
return nil, err
}
labels, err := getLabels(params, true, name)
if err != nil {
return nil, err
}
podSpec, err := makeV1PodSpec(params, name)
if err != nil {
return nil, err
}
if err = updateV1PodContainers(params, args, envs, podSpec); err != nil {
return nil, err
}
leaveStdinOpen, err := GetBool(params, "leave-stdin-open", false)
if err != nil {
return nil, err
}
podSpec.Containers[0].StdinOnce = !leaveStdinOpen && podSpec.Containers[0].Stdin
if err := updateV1PodPorts(params, podSpec); err != nil {
return nil, err
}
restartPolicy := v1.RestartPolicy(params["restart"])
if len(restartPolicy) == 0 {
restartPolicy = v1.RestartPolicyNever
}
podSpec.RestartPolicy = restartPolicy
scheduledJob := batchv2alpha1.ScheduledJob{
ObjectMeta: v1.ObjectMeta{
Name: name,
Labels: labels,
},
Spec: batchv2alpha1.ScheduledJobSpec{
Schedule: params["schedule"],
ConcurrencyPolicy: batchv2alpha1.AllowConcurrent,
JobTemplate: batchv2alpha1.JobTemplateSpec{
Spec: batchv2alpha1.JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: labels,
},
Spec: *podSpec,
},
},
},
},
}
return &scheduledJob, nil
}
type BasicReplicationController struct{}
func (BasicReplicationController) ParamNames() []GeneratorParam {