Beispiel #1
0
// ViewHistory returns a description of all the history it can find for a deployment config.
func (h *DeploymentConfigHistoryViewer) ViewHistory(namespace, name string, revision int64) (string, error) {
	opts := kapi.ListOptions{LabelSelector: deployutil.ConfigSelector(name)}
	deploymentList, err := h.rn.ReplicationControllers(namespace).List(opts)
	if err != nil {
		return "", err
	}

	if len(deploymentList.Items) == 0 {
		return "No rollout history found.", nil
	}

	items := deploymentList.Items
	history := make([]*kapi.ReplicationController, 0, len(items))
	for i := range items {
		history = append(history, &items[i])
	}

	// Print details of a specific revision
	if revision > 0 {
		var desired *kapi.PodTemplateSpec
		// We could use a binary search here but brute-force is always faster to write
		for i := range history {
			rc := history[i]

			if deployutil.DeploymentVersionFor(rc) == revision {
				desired = rc.Spec.Template
				break
			}
		}

		if desired == nil {
			return "", fmt.Errorf("unable to find the specified revision")
		}

		buf := bytes.NewBuffer([]byte{})
		kubectl.DescribePodTemplate(desired, buf)
		return buf.String(), nil
	}

	sort.Sort(deployutil.ByLatestVersionAsc(history))

	return tabbedString(func(out *tabwriter.Writer) error {
		fmt.Fprintf(out, "REVISION\tSTATUS\tCAUSE\n")
		for i := range history {
			rc := history[i]

			rev := deployutil.DeploymentVersionFor(rc)
			status := deployutil.DeploymentStatusFor(rc)
			cause := rc.Annotations[deployapi.DeploymentStatusReasonAnnotation]
			if len(cause) == 0 {
				cause = "<unknown>"
			}
			fmt.Fprintf(out, "%d\t%s\t%s\n", rev, status, cause)
		}
		return nil
	})
}
Beispiel #2
0
func deploymentInfo(oc *exutil.CLI, name string) (*deployapi.DeploymentConfig, []kapi.ReplicationController, []kapi.Pod, error) {
	dc, err := oc.REST().DeploymentConfigs(oc.Namespace()).Get(name)
	if err != nil {
		return nil, nil, nil, err
	}

	// get pods before RCs, so we see more RCs than pods.
	pods, err := oc.KubeREST().Pods(oc.Namespace()).List(kapi.ListOptions{})
	if err != nil {
		return nil, nil, nil, err
	}

	rcs, err := oc.KubeREST().ReplicationControllers(oc.Namespace()).List(kapi.ListOptions{
		LabelSelector: deployutil.ConfigSelector(name),
	})
	if err != nil {
		return nil, nil, nil, err
	}
	sort.Sort(deployutil.ByLatestVersionAsc(rcs.Items))

	return dc, rcs.Items, pods.Items, nil
}