Updates v1alpha3 refs to v1alpha4

- This patch updates the cluster-api dependency version to use the
latest from the main branch. As a result, the controller-runtime version
is also updates to v0.8.2
- This patch also updates the v1alpha3 refs in the codebase to v1alpha4.
- It also updates golang version to 1.15
- Changes to incorporate nightly CAPI builds

Signed-off-by: Sagar Muchhal <muchhals@vmware.com>

Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Build the manager binary
-ARG GOLANG_VERSION=golang:1.13.5
+ARG GOLANG_VERSION=golang:1.15.0
 FROM $GOLANG_VERSION as builder
 WORKDIR /workspace
 

Makefile

@@ -263,9 +263,9 @@ dev-manifests:
 manifests:  $(STAGE)-version-check $(STAGE)-flavors $(MANIFEST_DIR) $(BUILD_DIR) $(KUSTOMIZE)
 	rm -rf $(BUILD_DIR)/config
 	cp -R config $(BUILD_DIR)
-	sed -i'' -e 's@imagePullPolicy: .*@imagePullPolicy: '"$(PULL_POLICY)"'@' $(BUILD_DIR)/config/manager/manager_pull_policy.yaml
-	sed -i'' -e 's@image: .*@image: '"$(IMAGE)"'@' $(BUILD_DIR)/config/manager/manager_image_patch.yaml
-	"$(KUSTOMIZE)" build $(BUILD_DIR)/config > $(MANIFEST_DIR)/infrastructure-components.yaml
+	sed -i'' -e 's@imagePullPolicy: .*@imagePullPolicy: '"$(PULL_POLICY)"'@' $(BUILD_DIR)/config/default/manager_pull_policy.yaml
+	sed -i'' -e 's@image: .*@image: '"$(IMAGE)"'@' $(BUILD_DIR)/config/default/manager_image_patch.yaml
+	"$(KUSTOMIZE)" build $(BUILD_DIR)/config/default > $(MANIFEST_DIR)/infrastructure-components.yaml
 
 ## --------------------------------------
 ## Cleanup / Verification

api/v1alpha3/conversion_test.go

@@ -34,11 +34,7 @@ func TestFuzzyConversion(t *testing.T) {
 	g.Expect(nextver.AddToScheme(scheme)).To(Succeed())
 
 	t.Run("for VSphereCluster", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereCluster{}, &VSphereCluster{}))
-	t.Run("for VSphereCluster", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereClusterList{}, &VSphereClusterList{}))
 	t.Run("for VSphereMachine", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereMachine{}, &VSphereMachine{}))
-	t.Run("for VSphereMachineList", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereMachineList{}, &VSphereMachineList{}))
 	t.Run("for VSphereMachineTemplate", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereMachineTemplate{}, &VSphereMachineTemplate{}))
-	t.Run("for VSphereMachineTemplateList", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereMachineTemplateList{}, &VSphereMachineTemplateList{}))
 	t.Run("for VSphereVM", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereVM{}, &VSphereVM{}))
-	t.Run("for VSphereVMList", utilconversion.FuzzTestFunc(scheme, &nextver.VSphereVMList{}, &VSphereVMList{}))
 }