feat(ccm): do not sync startup-taints

Author: nox-404

scaleway/sync.go

@@ -68,6 +68,7 @@ var (
 	labelsPrefix        = "k8s.scaleway.com/"
 	taintsPrefix        = "k8s.scaleway.com/"
 	labelTaintPrefix    = "taint="
+	startupTaintPrefix  = "startup-taint="
 	labelNoPrefix       = "noprefix="
 
 	// K8S labels
@@ -205,6 +206,9 @@ func (s *syncController) syncNodeTags(node *v1.Node) error {
 	// Note: taints must be unique by key and effect pair
 	nodeTaints := map[string]v1.Taint{}
 	for _, tag := range server.Server.Tags {
+		if strings.HasPrefix(tag, startupTaintPrefix) {
+			continue
+		}
 		if strings.HasPrefix(tag, labelTaintPrefix) {
 			key, value, effect := tagTaintParser(tag)
 			if key == "" {

scaleway/sync_test.go

@@ -41,6 +41,7 @@ func TestTagTaintParser(t *testing.T) {
 		"taint=dash-word=dash-word":                                       {"", "", ""},
 		"taint=noprefix=dash-word=dash-word:PreferNoSchedule":             {"dash-word", "dash-word", "PreferNoSchedule"},
 		"taint=noprefix=node.k8s.io/dash-word=dash-word:PreferNoSchedule": {"node.k8s.io/dash-word", "dash-word", "PreferNoSchedule"},
+		"startup-taint=value":                                             {"", ""},
 	}
 	for tag, expected := range tagsTest {
 		t.Run(tag, func(t *testing.T) {