Workaround malformed generated CRD

Signed-off-by: Nic Cope <nicc@rk0n.org>

Makefile

@@ -85,6 +85,14 @@ manifests:
 	@$(WARN) Deprecated. Please run make generate instead.
 
 CRD_DIR = cluster/crds
+CRD_PATCH_DIR = cluster/crd-patches
+
+# See patch files for details.
+crds.patch: $(KUBECTL)
+	@$(INFO) patching generated CRDs
+	@$(KUBECTL) patch --local --type=json -f $(CRD_DIR)/pkg.crossplane.io_deploymentruntimeconfigs.yaml --patch-file $(CRD_PATCH_DIR)/pkg.crossplane.io_deploymentruntimeconfigs.yaml -o yaml > /tmp/pkg.crossplane.io_deploymentruntimeconfigs.yaml
+	@mv /tmp/pkg.crossplane.io_deploymentruntimeconfigs.yaml $(CRD_DIR)/pkg.crossplane.io_deploymentruntimeconfigs.yaml
+	@$(OK) patched generated CRDs
 
 crds.clean:
 	@$(INFO) cleaning generated CRDs
@@ -97,7 +105,7 @@ generate.run: gen-kustomize-crds gen-chart-license
 gen-chart-license:
 	@cp -f LICENSE cluster/charts/crossplane/LICENSE
 
-generate.done: crds.clean
+generate.done: crds.clean crds.patch
 
 gen-kustomize-crds:
 	@$(INFO) Adding all CRDs to Kustomize file for local development

cluster/crd-patches/pkg.crossplane.io_deploymentruntimeconfigs.yaml

@@ -0,0 +1,15 @@
+# For reasons that aren't immediately obvious, updating k8s.io/code-generator
+# from v0.29.x to v0.30 triggers a variant of the below issue. As far as I can
+# tell, this is the only way to work around it. The below fields are list map
+# keys, but aren't required in the generated CRD.
+# https://github.com/kubernetes-sigs/controller-tools/issues/444
+
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/deploymentTemplate/properties/spec/properties/template/properties/spec/properties/hostAliases/items/required
+  value:
+  - ip
+
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/deploymentTemplate/properties/spec/properties/template/properties/spec/properties/imagePullSecrets/items/required
+  value:
+  - name

cluster/crds/pkg.crossplane.io_deploymentruntimeconfigs.yaml

@@ -4211,6 +4211,8 @@ spec:
                                     ip:
                                       description: IP address of the host file entry.
                                       type: string
+                                  required:
+                                  - ip
                                   type: object
                                 type: array
                                 x-kubernetes-list-map-keys:
@@ -4265,6 +4267,8 @@ spec:
                                         More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
                                         TODO: Add other useful fields. apiVersion, kind, uid?
                                       type: string
+                                  required:
+                                  - name
                                   type: object
                                   x-kubernetes-map-type: atomic
                                 type: array