Let k0s-cloud provider assign a node's provider ID

Since Kubernetes commit 53d38a31611, it is required for cloud providers
to assign a provider ID to each node. Let k0s comply with that
requirement.

Signed-off-by: Tom Wieczorek <[email protected]>

Author: twz123

inttest/k0scloudprovider/k0scloudprovider_test.go

@@ -48,12 +48,17 @@ func (s *K0sCloudProviderSuite) TestK0sGetsUp() {
 	s.Require().NoError(err)
 	s.Require().NoError(s.WaitJoinAPI(s.ControllerNode(0)))
 
-	err = s.WaitForNodeReady(s.WorkerNode(0), kc)
+	nodeName := s.WorkerNode(0)
+	err = s.WaitForNodeReady(nodeName, kc)
 	s.Require().NoError(err)
 
-	s.testAddAddress(ctx, kc, s.WorkerNode(0), "1.2.3.4")
-	s.testAddAddress(ctx, kc, s.WorkerNode(0), "2041:0000:140F::875B:131B")
-	s.testAddAddress(ctx, kc, s.WorkerNode(0), "GIGO")
+	node, err := kc.CoreV1().Nodes().Get(ctx, nodeName, metav1.GetOptions{})
+	s.Require().NoError(err)
+	s.Equal("k0s-cloud-provider://"+nodeName, node.Spec.ProviderID)
+
+	s.testAddAddress(ctx, kc, nodeName, "1.2.3.4")
+	s.testAddAddress(ctx, kc, nodeName, "2041:0000:140F::875B:131B")
+	s.testAddAddress(ctx, kc, nodeName, "GIGO")
 }
 
 // testAddAddress adds the provided address to a node and ensures that the

pkg/k0scloudprovider/instances.go

@@ -56,7 +56,7 @@ func (i *instancesV2) InstanceShutdown(ctx context.Context, node *v1.Node) (bool
 // properties of the node like its name, labels and annotations.
 func (i *instancesV2) InstanceMetadata(ctx context.Context, node *v1.Node) (*cloudprovider.InstanceMetadata, error) {
 	return &cloudprovider.InstanceMetadata{
-		ProviderID:    node.Spec.ProviderID,
+		ProviderID:    Name + "://" + node.Name,
 		InstanceType:  Name,
 		NodeAddresses: i.addressCollector(node),
 	}, nil