github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-08-01 15:58:37 +00:00
Code Issues Projects Releases Wiki Activity

Fixing the selector for new RC created by deployment

Browse Source
This commit is contained in:
nikhiljindal 2015-10-07 15:28:39 -07:00
parent 0737e108e3
commit 6f61326cdb
2 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pkg/controller/deployment/deployment_controller.go
View File

@ -140,6 +140,9 @@ func (d *DeploymentController) getNewRC(deployment extensions.Deployment) (*api.
podTemplateSpecHash := deploymentUtil.GetPodTemplateSpecHash(deployment.Spec.Template)
rcName := fmt.Sprintf("deploymentrc-%d", podTemplateSpecHash)
newRCTemplate := deploymentUtil.GetNewRCTemplate(deployment)
// Add podTemplateHash label to selector.
newRCSelector := deploymentUtil.CloneAndAddLabel(deployment.Spec.Selector, deployment.Spec.UniqueLabelKey, podTemplateSpecHash)
newRC := api.ReplicationController{
ObjectMeta: api.ObjectMeta{
Name: rcName,
@ -147,7 +150,7 @@ func (d *DeploymentController) getNewRC(deployment extensions.Deployment) (*api.
},
Spec: api.ReplicationControllerSpec{
Replicas: 0,
Selector: newRCTemplate.ObjectMeta.Labels,
Selector: newRCSelector,
Template: newRCTemplate,
},
}

29
pkg/util/deployment/deployment.go
View File

@ -90,18 +90,29 @@ func GetNewRCTemplate(deployment extensions.Deployment) *api.PodTemplateSpec {
ObjectMeta: deployment.Spec.Template.ObjectMeta,
Spec: deployment.Spec.Template.Spec,
}
podTemplateSpecHash := GetPodTemplateSpecHash(newRCTemplate)
if deployment.Spec.UniqueLabelKey != "" {
newLabels := map[string]string{}
for key, value := range deployment.Spec.Template.ObjectMeta.Labels {
newLabels[key] = value
}
newLabels[deployment.Spec.UniqueLabelKey] = fmt.Sprintf("%d", podTemplateSpecHash)
newRCTemplate.ObjectMeta.Labels = newLabels
}
newRCTemplate.ObjectMeta.Labels = CloneAndAddLabel(
deployment.Spec.Template.ObjectMeta.Labels,
deployment.Spec.UniqueLabelKey,
GetPodTemplateSpecHash(newRCTemplate))
return newRCTemplate
}
// Clones the given map and returns a new map with the given key and value added.
// Returns the given map, if labelKey is empty.
func CloneAndAddLabel(labels map[string]string, labelKey string, labelValue uint32) map[string]string {
if labelKey == "" {
// Dont need to add a label.
return labels
}
// Clone.
newLabels := map[string]string{}
for key, value := range labels {
newLabels[key] = value
}
newLabels[labelKey] = fmt.Sprintf("%d", labelValue)
return newLabels
}
func GetPodTemplateSpecHash(template *api.PodTemplateSpec) uint32 {
podTemplateSpecHasher := adler32.New()
util.DeepHashObject(podTemplateSpecHasher, template)