Add a job for migrating sinkbindings and containersource storage vers…

…ions to v1beta1 (#3895)

* add a job for migrating sinkbindings and containersource storage versions to v1beta1

* fix nits

* review comments

config/pre-install/v0.18.0/clusterrole.yaml

@@ -0,0 +1,47 @@
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: knative-eventing-pre-install-job-role
+  labels:
+    eventing.knative.dev/release: devel
+rules:
+  # Storage version upgrader needs to be able to patch CRDs.
+  - apiGroups:
+      - "apiextensions.k8s.io"
+    resources:
+      - "customresourcedefinitions"
+      - "customresourcedefinitions/status"
+    verbs:
+      - "get"
+      - "list"
+      - "update"
+      - "patch"
+      - "watch"
+  # Our own resources we care about.
+  - apiGroups:
+      - "sources.knative.dev"
+    resources:
+      - "containersources"
+      - "sinkbindings"
+    verbs:
+      - "get"
+      - "list"
+      - "create"
+      - "update"
+      - "delete"
+      - "patch"
+      - "watch"

config/pre-install/v0.18.0/containersource.yaml

@@ -0,0 +1,73 @@
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  labels:
+    eventing.knative.dev/release: devel
+    eventing.knative.dev/source: "true"
+    duck.knative.dev/source: "true"
+    knative.dev/crd-install: "true"
+  name: containersources.sources.knative.dev
+spec:
+  group: sources.knative.dev
+  versions:
+    - &version
+      name: v1beta1
+      served: true
+      storage: true
+      subresources:
+        status: {}
+      schema:
+        openAPIV3Schema:
+          type: object
+          # this is a work around so we don't need to flush out the
+          # schema for each version at this time
+          #
+          # see issue: https://github.com/knative/serving/issues/912
+          x-kubernetes-preserve-unknown-fields: true
+      additionalPrinterColumns:
+        - name: Sink
+          type: string
+          jsonPath: ".status.sinkUri"
+        - name: Age
+          type: date
+          jsonPath: .metadata.creationTimestamp
+        - name: Ready
+          type: string
+          jsonPath: ".status.conditions[?(@.type==\"Ready\")].status"
+        - name: Reason
+          type: string
+          jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+    - <<: *version
+      name: v1alpha2
+      served: true
+      storage: false
+  names:
+    categories:
+      - all
+      - knative
+      - sources
+    kind: ContainerSource
+    plural: containersources
+  scope: Namespaced
+  conversion:
+    strategy: Webhook
+    webhook:
+      conversionReviewVersions: ["v1", "v1beta1"]
+      clientConfig:
+        service:
+          name: eventing-webhook
+          namespace: knative-eventing

config/pre-install/v0.18.0/dummy.go

@@ -0,0 +1,19 @@
+/*
+Copyright 2020 The Knative Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package preinstall is a placeholder that allows us to pull in config files
+// via go mod vendor.
+package preinstall

config/pre-install/v0.18.0/serviceaccount.yaml

@@ -0,0 +1,39 @@
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: knative-eventing-pre-install-job
+  namespace: knative-eventing
+  labels:
+    eventing.knative.dev/release: devel
+
+---
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: knative-eventing-pre-install-job-role-binding
+  labels:
+    eventing.knative.dev/release: devel
+subjects:
+  - kind: ServiceAccount
+    name: knative-eventing-pre-install-job
+    namespace: knative-eventing
+roleRef:
+  kind: ClusterRole
+  name: knative-eventing-pre-install-job-role
+  apiGroup: rbac.authorization.k8s.io
+