137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
package render
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/derailed/k9s/internal/client"
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"github.com/rs/zerolog/log"
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batchv1 "k8s.io/api/batch/v1"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/duration"
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)
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// Job renders a K8s Job to screen.
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type Job struct{}
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// ColorerFunc colors a resource row.
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func (Job) ColorerFunc() ColorerFunc {
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return DefaultColorer
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}
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// Header returns a header row.
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func (Job) Header(ns string) HeaderRow {
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var h HeaderRow
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if client.IsAllNamespaces(ns) {
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h = append(h, Header{Name: "NAMESPACE"})
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}
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return append(h,
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Header{Name: "NAME"},
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Header{Name: "COMPLETIONS"},
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Header{Name: "DURATION"},
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Header{Name: "CONTAINERS"},
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Header{Name: "IMAGES"},
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Header{Name: "AGE", Decorator: AgeDecorator},
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)
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}
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// Render renders a K8s resource to screen.
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func (j Job) Render(o interface{}, ns string, r *Row) error {
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log.Debug().Msgf("JOB RENDER %q", ns)
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("Expected Job, but got %T", o)
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}
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var job batchv1.Job
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &job)
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if err != nil {
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return err
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}
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r.ID = client.MetaFQN(job.ObjectMeta)
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r.Fields = make(Fields, 0, len(j.Header(ns)))
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if client.IsAllNamespaces(ns) {
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r.Fields = append(r.Fields, job.Namespace)
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}
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cc, ii := toContainers(job.Spec.Template.Spec)
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r.Fields = append(r.Fields,
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job.Name,
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toCompletion(job.Spec, job.Status),
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toDuration(job.Status),
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cc,
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ii,
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toAge(job.ObjectMeta.CreationTimestamp),
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)
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return nil
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}
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// ----------------------------------------------------------------------------
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// Helpers...
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const maxShow = 2
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func toContainers(p v1.PodSpec) (string, string) {
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cc, ii := parseContainers(p.InitContainers)
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cn, ci := parseContainers(p.Containers)
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cc, ii = append(cc, cn...), append(ii, ci...)
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// Limit to 2 of each...
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if len(cc) > maxShow {
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cc = append(cc[:2], "(+"+strconv.Itoa(len(cc)-maxShow)+")...")
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}
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if len(ii) > maxShow {
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ii = append(ii[:2], "(+"+strconv.Itoa(len(ii)-maxShow)+")...")
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}
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return strings.Join(cc, ","), strings.Join(ii, ",")
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}
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func parseContainers(cos []v1.Container) (nn, ii []string) {
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for _, co := range cos {
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nn = append(nn, co.Name)
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ii = append(ii, co.Image)
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}
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return nn, ii
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}
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func toCompletion(spec batchv1.JobSpec, status batchv1.JobStatus) (s string) {
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if spec.Completions != nil {
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return strconv.Itoa(int(status.Succeeded)) + "/" + strconv.Itoa(int(*spec.Completions))
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}
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if spec.Parallelism == nil {
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return strconv.Itoa(int(status.Succeeded)) + "/1"
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}
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p := *spec.Parallelism
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if p > 1 {
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return strconv.Itoa(int(status.Succeeded)) + "/1 of " + strconv.Itoa(int(p))
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}
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return strconv.Itoa(int(status.Succeeded)) + "/1"
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}
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func toDuration(status batchv1.JobStatus) string {
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if status.StartTime == nil {
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return MissingValue
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}
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var d time.Duration
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switch {
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case status.CompletionTime == nil:
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d = time.Since(status.StartTime.Time)
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default:
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d = status.CompletionTime.Sub(status.StartTime.Time)
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}
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return duration.HumanDuration(d)
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}
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