Add integration test

cmd/kops/create_cluster_integration_test.go

@@ -69,6 +69,11 @@ func TestCreateClusterOverride(t *testing.T) {
 	runCreateClusterIntegrationTest(t, "../../tests/integration/create_cluster/overrides", "v1alpha2")
 }
 
+// TestCreateClusterKubernetesFeatureGates tests the override flag
+func TestCreateClusterKubernetesFeatureGates(t *testing.T) {
+	runCreateClusterIntegrationTest(t, "../../tests/integration/create_cluster/minimal_feature-gates", "v1alpha2")
+}
+
 // TestCreateClusterComplex runs kops create cluster, with a grab-bag of edge cases
 func TestCreateClusterComplex(t *testing.T) {
 	runCreateClusterIntegrationTest(t, "../../tests/integration/create_cluster/complex", "v1alpha2")

tests/integration/create_cluster/minimal_feature-gates/expected-v1alpha2.yaml

@@ -0,0 +1,121 @@
+apiVersion: kops.k8s.io/v1alpha2
+kind: Cluster
+metadata:
+  creationTimestamp: "2017-01-01T00:00:00Z"
+  name: minimal.example.com
+spec:
+  api:
+    dns: {}
+  authorization:
+    rbac: {}
+  channel: stable
+  cloudProvider: aws
+  configBase: memfs://tests/minimal.example.com
+  etcdClusters:
+  - cpuRequest: 200m
+    etcdMembers:
+    - encryptedVolume: true
+      instanceGroup: master-us-test-1a
+      name: a
+    memoryRequest: 100Mi
+    name: main
+  - cpuRequest: 100m
+    etcdMembers:
+    - encryptedVolume: true
+      instanceGroup: master-us-test-1a
+      name: a
+    memoryRequest: 100Mi
+    name: events
+  iam:
+    allowContainerRegistry: true
+    legacy: false
+  kubeAPIServer:
+    featureGates:
+      APIResponseCompression: "false"
+      ReadWriteOncePod: "true"
+      SELinuxMountReadWriteOncePod: "true"
+  kubeControllerManager:
+    featureGates:
+      APIResponseCompression: "false"
+      ReadWriteOncePod: "true"
+      SELinuxMountReadWriteOncePod: "true"
+  kubeProxy:
+    featureGates:
+      APIResponseCompression: "false"
+      ReadWriteOncePod: "true"
+      SELinuxMountReadWriteOncePod: "true"
+  kubeScheduler:
+    featureGates:
+      APIResponseCompression: "false"
+      ReadWriteOncePod: "true"
+      SELinuxMountReadWriteOncePod: "true"
+  kubelet:
+    anonymousAuth: false
+    featureGates:
+      APIResponseCompression: "false"
+      ReadWriteOncePod: "true"
+      SELinuxMountReadWriteOncePod: "true"
+  kubernetesApiAccess:
+  - 0.0.0.0/0
+  - ::/0
+  kubernetesVersion: v1.26.0
+  masterPublicName: api.minimal.example.com
+  networkCIDR: 172.20.0.0/16
+  networking:
+    cni: {}
+  nonMasqueradeCIDR: 100.64.0.0/10
+  sshAccess:
+  - 0.0.0.0/0
+  - ::/0
+  subnets:
+  - cidr: 172.20.32.0/19
+    name: us-test-1a
+    type: Public
+    zone: us-test-1a
+  topology:
+    dns:
+      type: Public
+    masters: public
+    nodes: public
+
+---
+
+apiVersion: kops.k8s.io/v1alpha2
+kind: InstanceGroup
+metadata:
+  creationTimestamp: "2017-01-01T00:00:00Z"
+  labels:
+    kops.k8s.io/cluster: minimal.example.com
+  name: master-us-test-1a
+spec:
+  image: 099720109477/ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-20221018
+  instanceMetadata:
+    httpPutResponseHopLimit: 3
+    httpTokens: required
+  machineType: m3.medium
+  maxSize: 1
+  minSize: 1
+  role: Master
+  subnets:
+  - us-test-1a
+
+---
+
+apiVersion: kops.k8s.io/v1alpha2
+kind: InstanceGroup
+metadata:
+  creationTimestamp: "2017-01-01T00:00:00Z"
+  labels:
+    kops.k8s.io/cluster: minimal.example.com
+  name: nodes-us-test-1a
+spec:
+  image: 099720109477/ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-20221018
+  instanceMetadata:
+    httpPutResponseHopLimit: 1
+    httpTokens: required
+  machineType: t2.medium
+  maxSize: 1
+  minSize: 1
+  role: Node
+  subnets:
+  - us-test-1a

tests/integration/create_cluster/minimal_feature-gates/options.yaml

@@ -0,0 +1,10 @@
+ClusterName: minimal.example.com
+Zones:
+- us-test-1a
+CloudProvider: aws
+Networking: cni
+KubernetesVersion: v1.26.0
+KubernetesFeatureGates:
+- SELinuxMountReadWriteOncePod
+- +ReadWriteOncePod
+- -APIResponseCompression