// Describe returns the description of a DeploymentConfig
func (d *DeploymentConfigDescriber) Describe(namespace, name string) (string, error) {
deploymentConfig, err := d.client.getDeploymentConfig(namespace, name)
if err != nil {
return "", err
}
events, err := d.client.listEvents(deploymentConfig)
if err != nil {
return "", err
}
return tabbedString(func(out *tabwriter.Writer) error {
formatMeta(out, deploymentConfig.ObjectMeta)
if deploymentConfig.LatestVersion == 0 {
formatString(out, "Latest Version", "Not deployed")
} else {
formatString(out, "Latest Version", strconv.Itoa(deploymentConfig.LatestVersion))
}
printTriggers(deploymentConfig.Triggers, out)
formatString(out, "Strategy", deploymentConfig.Template.Strategy.Type)
printStrategy(deploymentConfig.Template.Strategy, out)
printReplicationControllerSpec(deploymentConfig.Template.ControllerTemplate, out)
deploymentName := deployutil.LatestDeploymentNameForConfig(deploymentConfig)
deployment, err := d.client.getDeployment(namespace, deploymentName)
if err != nil {
if kerrors.IsNotFound(err) {
formatString(out, "Latest Deployment", "<none>")
} else {
formatString(out, "Latest Deployment", fmt.Sprintf("error: %v", err))
}
} else {
header := fmt.Sprintf("Deployment #%d (latest)", deployutil.DeploymentVersionFor(deployment))
printDeploymentRc(deployment, d.client, out, header, true)
}
deploymentsHistory, err := d.client.listDeployments(namespace, labels.Everything())
if err == nil {
sorted := rcSorter{}
sorted = append(sorted, deploymentsHistory.Items...)
sort.Sort(sorted)
for _, item := range sorted {
if item.Name != deploymentName && deploymentConfig.Name == deployutil.DeploymentConfigNameFor(&item) {
header := fmt.Sprintf("Deployment #%d", deployutil.DeploymentVersionFor(&item))
printDeploymentRc(&item, d.client, out, header, false)
}
}
}
if events != nil {
kctl.DescribeEvents(events, out)
}
return nil
})
}
func TestTriggers_manual(t *testing.T) {
testutil.DeleteAllEtcdKeys()
openshift := NewTestDeployOpenshift(t)
defer openshift.Close()
config := deploytest.OkDeploymentConfig(0)
config.Namespace = testutil.Namespace()
config.Triggers = []deployapi.DeploymentTriggerPolicy{
{
Type: deployapi.DeploymentTriggerManual,
},
}
var err error
dc, err := openshift.Client.DeploymentConfigs(testutil.Namespace()).Create(config)
if err != nil {
t.Fatalf("Couldn't create DeploymentConfig: %v %#v", err, config)
}
watch, err := openshift.KubeClient.ReplicationControllers(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), dc.ResourceVersion)
if err != nil {
t.Fatalf("Couldn't subscribe to Deployments: %v", err)
}
defer watch.Stop()
config, err = openshift.Client.DeploymentConfigs(testutil.Namespace()).Generate(config.Name)
if err != nil {
t.Fatalf("Error generating config: %v", err)
}
if config.LatestVersion != 1 {
t.Fatalf("Generated deployment should have version 1: %#v", config)
}
glog.Infof("config(1): %#v", config)
new, err := openshift.Client.DeploymentConfigs(testutil.Namespace()).Update(config)
if err != nil {
t.Fatalf("Couldn't create updated DeploymentConfig: %v %#v", err, config)
}
glog.Infof("config(2): %#v", new)
event := <-watch.ResultChan()
if e, a := watchapi.Added, event.Type; e != a {
t.Fatalf("expected watch event type %s, got %s", e, a)
}
deployment := event.Object.(*kapi.ReplicationController)
if e, a := config.Name, deployutil.DeploymentConfigNameFor(deployment); e != a {
t.Fatalf("Expected deployment annotated with deploymentConfig '%s', got '%s'", e, a)
}
if e, a := 1, deployutil.DeploymentVersionFor(deployment); e != a {
t.Fatalf("Deployment annotation version does not match: %#v", deployment)
}
}
// DeploymentByDeploymentConfigIndexFunc indexes Deployment items by their associated DeploymentConfig, if none, index with key "orphan"
func DeploymentByDeploymentConfigIndexFunc(obj interface{}) (string, error) {
controller, ok := obj.(*kapi.ReplicationController)
if !ok {
return "", fmt.Errorf("not a replication controller: %v", obj)
}
name := deployutil.DeploymentConfigNameFor(controller)
if len(name) == 0 {
return "orphan", nil
}
return controller.Namespace + "/" + name, nil
}
// GetDeploymentConfig gets the configuration for the given deployment
func (d *dataSet) GetDeploymentConfig(controller *kapi.ReplicationController) (*deployapi.DeploymentConfig, bool, error) {
name := deployutil.DeploymentConfigNameFor(controller)
if len(name) == 0 {
return nil, false, nil
}
var deploymentConfig *deployapi.DeploymentConfig
key := &deployapi.DeploymentConfig{ObjectMeta: kapi.ObjectMeta{Name: name, Namespace: controller.Namespace}}
item, exists, err := d.deploymentConfigStore.Get(key)
if exists {
deploymentConfig = item.(*deployapi.DeploymentConfig)
}
return deploymentConfig, exists, err
}
func TestTriggers_configChange(t *testing.T) {
testutil.DeleteAllEtcdKeys()
openshift := NewTestDeployOpenshift(t)
defer openshift.Close()
config := deploytest.OkDeploymentConfig(0)
config.Namespace = testutil.Namespace()
config.Triggers[0] = deploytest.OkConfigChangeTrigger()
var err error
watch, err := openshift.KubeClient.ReplicationControllers(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), "0")
if err != nil {
t.Fatalf("Couldn't subscribe to Deployments %v", err)
}
defer watch.Stop()
// submit the initial deployment config
if _, err := openshift.Client.DeploymentConfigs(testutil.Namespace()).Create(config); err != nil {
t.Fatalf("Couldn't create DeploymentConfig: %v", err)
}
// verify the initial deployment exists
event := <-watch.ResultChan()
if e, a := watchapi.Added, event.Type; e != a {
t.Fatalf("expected watch event type %s, got %s", e, a)
}
deployment := event.Object.(*kapi.ReplicationController)
if e, a := config.Name, deployutil.DeploymentConfigNameFor(deployment); e != a {
t.Fatalf("Expected deployment annotated with deploymentConfig '%s', got '%s'", e, a)
}
assertEnvVarEquals("ENV1", "VAL1", deployment, t)
// submit a new config with an updated environment variable
if config, err = openshift.Client.DeploymentConfigs(testutil.Namespace()).Generate(config.Name); err != nil {
t.Fatalf("Error generating config: %v", err)
}
config.Template.ControllerTemplate.Template.Spec.Containers[0].Env[0].Value = "UPDATED"
// before we update the config, we need to update the state of the existing deployment
// this is required to be done manually since the deployment and deployer pod controllers are not run in this test
deployment.Annotations[deployapi.DeploymentStatusAnnotation] = string(deployapi.DeploymentStatusComplete)
// update the deployment
if _, err = openshift.KubeClient.ReplicationControllers(testutil.Namespace()).Update(deployment); err != nil {
t.Fatalf("Error updating existing deployment: %v", err)
}
event = <-watch.ResultChan()
if e, a := watchapi.Modified, event.Type; e != a {
t.Fatalf("expected watch event type %s, got %s", e, a)
}
if _, err := openshift.Client.DeploymentConfigs(testutil.Namespace()).Update(config); err != nil {
t.Fatalf("Couldn't create updated DeploymentConfig: %v", err)
}
event = <-watch.ResultChan()
if e, a := watchapi.Added, event.Type; e != a {
t.Fatalf("expected watch event type %s, got %s", e, a)
}
newDeployment := event.Object.(*kapi.ReplicationController)
assertEnvVarEquals("ENV1", "UPDATED", newDeployment, t)
if newDeployment.Name == deployment.Name {
t.Fatalf("expected new deployment; old=%s, new=%s", deployment.Name, newDeployment.Name)
}
}
func (c *DeployerPodController) cleanupFailedDeployment(deployment *kapi.ReplicationController) error {
// Scale down the current failed deployment
configName := deployutil.DeploymentConfigNameFor(deployment)
existingDeployments, err := c.deploymentClient.listDeploymentsForConfig(deployment.Namespace, configName)
if err != nil {
return fmt.Errorf("couldn't list Deployments for DeploymentConfig %s: %v", configName, err)
}
desiredReplicas, ok := deployutil.DeploymentDesiredReplicas(deployment)
if !ok {
// if desired replicas could not be found, then log the error
// and update the failed deployment
// this cannot be treated as a transient error
kutil.HandleError(fmt.Errorf("Could not determine desired replicas from %s to reset replicas for last completed deployment", deployutil.LabelForDeployment(deployment)))
}
if ok && len(existingDeployments.Items) > 0 {
sort.Sort(deployutil.DeploymentsByLatestVersionDesc(existingDeployments.Items))
for index, existing := range existingDeployments.Items {
// if a newer deployment exists:
// - set the replicas for the current failed deployment to 0
// - there is no point in scaling up the last completed deployment
// since that will be scaled down by the later deployment
if index == 0 && existing.Name != deployment.Name {
break
}
// the latest completed deployment is the one that needs to be scaled back up
if deployutil.DeploymentStatusFor(&existing) == deployapi.DeploymentStatusComplete {
if existing.Spec.Replicas == desiredReplicas {
break
}
// scale back the completed deployment to the target of the failed deployment
existing.Spec.Replicas = desiredReplicas
if _, err := c.deploymentClient.updateDeployment(existing.Namespace, &existing); err != nil {
if kerrors.IsNotFound(err) {
return nil
}
return fmt.Errorf("couldn't update replicas to %d for deployment %s: %v", desiredReplicas, deployutil.LabelForDeployment(&existing), err)
}
glog.V(4).Infof("Updated replicas to %d for deployment %s", desiredReplicas, deployutil.LabelForDeployment(&existing))
break
}
}
}
// set the replicas for the failed deployment to 0
// and set the status to Failed
deployment.Spec.Replicas = 0
deployment.Annotations[deployapi.DeploymentStatusAnnotation] = string(deployapi.DeploymentStatusFailed)
if _, err := c.deploymentClient.updateDeployment(deployment.Namespace, deployment); err != nil {
if kerrors.IsNotFound(err) {
return nil
}
return fmt.Errorf("couldn't scale down the deployment %s and mark it as failed: %v", deployutil.LabelForDeployment(deployment), err)
}
glog.V(4).Infof("Scaled down the deployment %s and marked it as failed", deployutil.LabelForDeployment(deployment))
return nil
}
func belongsToDeploymentConfig(config *deploy.DeploymentConfig, b *kapi.ReplicationController) bool {
if b.Annotations != nil {
return config.Name == deployutil.DeploymentConfigNameFor(b)
}
return false
}
// FilterDeploymentsPredicate is a function that returns true if the replication controller is associated with a DeploymentConfig
func FilterDeploymentsPredicate(item *kapi.ReplicationController) bool {
return len(deployutil.DeploymentConfigNameFor(item)) > 0
}