k9s/internal/k8s/job.go

92 lines
2.1 KiB
Go

package k8s
import (
"fmt"
"strings"
log "github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
restclient "k8s.io/client-go/rest"
)
// Job represents a Kubernetes Job
type Job struct{}
// NewJob returns a new Job.
func NewJob() Res {
return &Job{}
}
// Get a Job.
func (*Job) Get(ns, n string) (interface{}, error) {
opts := metav1.GetOptions{}
return conn.dialOrDie().BatchV1().Jobs(ns).Get(n, opts)
}
// List all Jobs in a given namespace
func (*Job) List(ns string) (Collection, error) {
opts := metav1.ListOptions{}
rr, err := conn.dialOrDie().BatchV1().Jobs(ns).List(opts)
if err != nil {
return Collection{}, err
}
cc := make(Collection, len(rr.Items))
for i, r := range rr.Items {
cc[i] = r
}
return cc, nil
}
// Delete a Job
func (*Job) Delete(ns, n string) error {
opts := metav1.DeleteOptions{}
return conn.dialOrDie().BatchV1().Jobs(ns).Delete(n, &opts)
}
// Containers returns all container names on pod
func (j *Job) Containers(ns, n string) ([]string, error) {
pod, err := j.assocPod(ns, n)
if err != nil {
return nil, err
}
log.Debug("Containers found assoc pod", pod)
return NewPod().(Loggable).Containers(ns, pod)
}
// Logs fetch container logs for a given pod and container.
func (j *Job) Logs(ns, n, co string, lines int64, prev bool) *restclient.Request {
pod, err := j.assocPod(ns, n)
if err != nil {
return nil
}
log.Println("Logs found assoc pod", pod)
return NewPod().(Loggable).Logs(ns, pod, co, lines, prev)
}
// Events retrieved jobs events.
func (*Job) Events(ns, n string) (*v1.EventList, error) {
e := conn.dialOrDie().Core().Events(ns)
sel := e.GetFieldSelector(&n, &ns, nil, nil)
opts := metav1.ListOptions{FieldSelector: sel.String()}
ee, err := e.List(opts)
return ee, err
}
func (j *Job) assocPod(ns, n string) (string, error) {
ee, err := j.Events(ns, n)
if err != nil {
return "", err
}
for _, e := range ee.Items {
if strings.Contains(e.Message, "Created pod: ") {
return strings.TrimSpace(strings.Replace(e.Message, "Created pod: ", "", 1)), nil
}
}
return "", fmt.Errorf("unable to find associated pod name for job: %s/%s", ns, n)
}