Remove v1alpha6 API

Author: EmilienM

Makefile

@@ -296,7 +296,7 @@ generate-conversion-gen: $(CONVERSION_GEN)
 		--extra-peer-dirs=./pkg/utils/conversioncommon \
 		--output-file=zz_generated.conversion.go \
 		--go-header-file=./hack/boilerplate/boilerplate.generatego.txt \
-		./api/v1alpha6 ./api/v1alpha7
+		./api/v1alpha7
 
 .PHONY: generate-manifests
 generate-manifests: $(CONTROLLER_GEN) ## Generate manifests e.g. CRD, RBAC etc.
@@ -316,7 +316,7 @@ generate-manifests: $(CONTROLLER_GEN) ## Generate manifests e.g. CRD, RBAC etc.
 		rbac:roleName=manager-role
 
 .PHONY: generate-api-docs
-generate-api-docs: generate-api-docs-v1beta1 generate-api-docs-v1alpha7 generate-api-docs-v1alpha6 generate-api-docs-v1alpha1
+generate-api-docs: generate-api-docs-v1beta1 generate-api-docs-v1alpha7 generate-api-docs-v1alpha1
 generate-api-docs-%: $(GEN_CRD_API_REFERENCE_DOCS) FORCE
 	$(GEN_CRD_API_REFERENCE_DOCS) \
 		-api-dir=./api/$* \

PROJECT

@@ -5,18 +5,6 @@
 domain: cluster.x-k8s.io
 repo: sigs.k8s.io/cluster-api-provider-openstack
 resources:
-- group: infrastructure
-  kind: OpenStackCluster
-  version: v1alpha6
-- group: infrastructure
-  kind: OpenStackMachine
-  version: v1alpha6
-- group: infrastructure
-  kind: OpenStackMachineTemplate
-  version: v1alpha6
-- group: infrastructure
-  kind: OpenStackClusterTemplate
-  version: v1alpha6
 - group: infrastructure
   kind: OpenStackCluster
   version: v1alpha7

README.md

@@ -41,7 +41,6 @@ This provider's versions are compatible with the following versions of Cluster A
 
 |                                    | v1beta1 (v1.x) |
 |------------------------------------| -------------- |
-| OpenStack Provider v1alpha6 (v0.7) | ✓              |
 | OpenStack Provider v1alpha7 (v0.9) | ✓              |
 | OpenStack Provider v1beta1         | ✓              |