Merge pull request #447 from jessicaochen/delete_clean

cleanup nodes on delete and annotations on clone

Author: jessicaochen

cluster-api/cloud/google/pods.go

@@ -27,7 +27,7 @@ import (
 	"github.com/golang/glog"
 )
 
-var machineControllerImage = "gcr.io/k8s-cluster-api/machine-controller:0.14"
+var machineControllerImage = "gcr.io/k8s-cluster-api/machine-controller:0.15"
 
 func init() {
 	if img, ok := os.LookupEnv("MACHINE_CONTROLLER_IMAGE"); ok {

cluster-api/examples/machineset/scale.go

@@ -134,7 +134,8 @@ func clone(old clusterv1.Machine) *clusterv1.Machine {
 	newMachine.ObjectMeta = metav1.ObjectMeta{}
 	newMachine.ObjectMeta.GenerateName = old.ObjectMeta.GenerateName
 	newMachine.ObjectMeta.Labels = old.ObjectMeta.Labels
-	newMachine.ObjectMeta.Annotations = old.ObjectMeta.Annotations
+	// Do not copy annotations as they currently contain info like machine name/location etc.
+	// newMachine.ObjectMeta.Annotations = old.ObjectMeta.Annotations
 	newMachine.ObjectMeta.ClusterName = old.ObjectMeta.ClusterName
 
 	// Completely wipe out the status as well

cluster-api/machine-controller/Makefile

@@ -1,6 +1,6 @@
 PROJECT=k8s-cluster-api
 NAME=machine-controller
-VERSION=0.14
+VERSION=0.15
 
 staticbuild:
 	CGO_ENABLED=0 GOOS=linux go build -a -ldflags '-extldflags "-static"' .

cluster-api/machine-controller/controller/machinecontroller.go

@@ -197,17 +197,18 @@ func (c *MachineController) create(machine *clusterv1.Machine) error {
 		return err
 	}
 
-	//TODO: check if the actual machine does not already exist
 	return c.actuator.Create(cluster, machine)
-	//TODO: wait for machine to become a node
-	//TODO: link node to machine CRD
 }
 
 func (c *MachineController) delete(machine *clusterv1.Machine) error {
-	//TODO: check if the actual machine does not exist
-	//TODO: delink node from machine CRD
 	c.kubeClientSet.CoreV1().Nodes().Delete(machine.ObjectMeta.Name, &metav1.DeleteOptions{})
-	return c.actuator.Delete(machine)
+	if err := c.actuator.Delete(machine); err != nil {
+		return err
+	}
+	// Do a second node cleanup after the delete completes in case the node joined the cluster
+	// while the deletion of the machine was mid-way.
+	c.kubeClientSet.CoreV1().Nodes().Delete(machine.ObjectMeta.Name, &metav1.DeleteOptions{})
+	return nil
 }
 
 func (c *MachineController) update(old_machine *clusterv1.Machine, new_machine *clusterv1.Machine) error {