refactor(charts): move CRDs to a subchart

.github/workflows/chart-lint-test.yml

@@ -17,35 +17,36 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v1
+        uses: azure/setup-helm@v4
         with:
-          version: v3.4.0
+          version: v3.14.3
 
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
         with:
-          python-version: 3.7
+          python-version: '3.10'
+          check-latest: true
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.0.1
+        uses: helm/chart-testing-action@v2.6.1
 
       - name: Run chart-testing (list-changed)
         id: list-changed
         run: |
           changed=$(ct list-changed --config ct.yaml)
           if [[ -n "$changed" ]]; then
-            echo "::set-output name=changed::true"
+            echo "changed=true" >> $GITHUB_OUTPUT
           fi
 
       - name: Run chart-testing (lint)
         run: ct lint --config ct.yaml
 
       - name: Create kind cluster
-        uses: helm/kind-action@v1.2.0
+        uses: helm/kind-action@v1.9.0
         if: steps.list-changed.outputs.changed == 'true'
         with:
           config: buildscripts/kind_config.yaml

.github/workflows/release-charts.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -22,12 +22,12 @@ jobs:
           git config user.email "[email protected]"
 
       - name: Install Helm
-        uses: azure/setup-helm@v1
+        uses: azure/setup-helm@v4
         with:
-          version: v3.4.0
+          version: v3.14.3
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.2.0
+        uses: helm/chart-releaser-action@v1.6.0
         env:
           CR_TOKEN: "${{ secrets.CR_TOKEN }}"
         with:

changelogs/unreleased/258-evgkrsk

@@ -0,0 +1 @@
+Change lvm-controller's Kind from StatefulSet to Deployment (#196)

deploy/helm/charts/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 name: lvm-localpv
 description: CSI Driver for dynamic provisioning of LVM Persistent Local Volumes.
-version: 1.4.0
-appVersion: 1.4.0
+version: 1.5.0
+appVersion: 1.5.0
 icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/openebs/icon/color/openebs-icon-color.png
 home: https://openebs.io/
 keywords:
@@ -14,6 +14,9 @@ keywords:
   - storage
 sources:
 - https://github.com/openebs/lvm-localpv
+dependencies:
+  - name: crds
+    version: "1.5.0"
 maintainers:
   - name: prateekpandey14
     email: [email protected]

deploy/helm/charts/README.md

@@ -47,10 +47,10 @@ $ helm install [RELEASE_NAME] openebs-lvmlocalpv/lvm-localpv --namespace [NAMESP
 
 
 **Note:** If moving from the operator to helm
-- Make sure the namespace provided in the helm install command is same as `LVM_NAMESPACE` (by default it is `openebs`) env in the controller statefulset.
-- Before installing, clean up the stale statefulset and daemonset from `kube-system` namespace using the below commands
+- Make sure the namespace provided in the helm install command is same as `LVM_NAMESPACE` (by default it is `openebs`) env in the controller deployment.
+- Before installing, clean up the stale deployment and daemonset from `kube-system` namespace using the below commands
 ```sh
-kubectl delete sts openebs-lvm-controller -n kube-system
+kubectl delete deployment openebs-lvm-controller -n kube-system
 kubectl delete ds openebs-lvm-node -n kube-system
 ```
 
@@ -96,7 +96,8 @@ helm install openebs-lvmlocalpv openebs-lvmlocalpv/lvm-localpv --namespace opene
 
 | Parameter                                           | Description                                                                      | Default                                 |
 |-----------------------------------------------------|----------------------------------------------------------------------------------|-----------------------------------------|
-| `imagePullSecrets`                                  | Provides image pull secrect                                                      | `""`                                    |
+| `crds.csi.volumeSnapshots.enabled`                  | Enable/Disable installation of VolumeSnapshot-related CRDs                       | `true`                                   |
+| `imagePullSecrets`                                  | Provides image pull secret                                                       | `""`                                    |
 | `lvmPlugin.image.registry`                          | Registry for openebs-lvm-plugin image                                            | `""`                                    |
 | `lvmPlugin.image.repository`                        | Image repository for openebs-lvm-plugin                                          | `openebs/lvm-driver`                    |
 | `lvmPlugin.image.pullPolicy`                        | Image pull policy for openebs-lvm-plugin                                         | `IfNotPresent`                          |
@@ -133,15 +134,16 @@ helm install openebs-lvmlocalpv openebs-lvmlocalpv/lvm-localpv --namespace opene
 | `lvmController.provisioner.image.repository`        | Image repository for csi-provisioner                                             | `sig-storage/csi-provisioner`           |
 | `lvmController.provisioner.image.pullPolicy`        | Image pull policy for csi-provisioner                                            | `IfNotPresent`                          |
 | `lvmController.provisioner.image.tag`               | Image tag for csi-provisioner                                                    | `v3.5.0`                                |
-| `lvmController.updateStrategy.type`                 | Update strategy for lvm localpv controller statefulset                           | `RollingUpdate`                         |
-| `lvmController.annotations`                         | Annotations for lvm localpv controller statefulset metadata                      | `""`                                    |
-| `lvmController.podAnnotations`                      | Annotations for lvm localpv controller statefulset's pods metadata               | `""`                                    |
-| `lvmController.resources`                           | Resource and request and limit for lvm localpv controller statefulset containers | `""`                                    |
-| `lvmController.labels`                              | Labels for lvm localpv controller statefulset metadata                           | `""`                                    |
-| `lvmController.podLabels`                           | Appends labels to the lvm localpv controller statefulset pods                    | `""`                                    |
-| `lvmController.nodeSelector`                        | Nodeselector for lvm localpv controller statefulset pods                         | `""`                                    |
-| `lvmController.tolerations`                         | lvm localpv controller statefulset's pod toleration values                       | `""`                                    |
-| `lvmController.securityContext`                     | Seurity context for lvm localpv controller statefulset container                 | `""`                                    |
+| `lvmController.updateStrategy.type`                 | Update strategy for lvm localpv controller deployment                            | `RollingUpdate`                         |
+| `lvmController.annotations`                         | Annotations for lvm localpv controller deployment metadata                       | `""`                                    |
+| `lvmController.podAnnotations`                      | Annotations for lvm localpv controller deployment's pods metadata                | `""`                                    |
+| `lvmController.resources`                           | Resource and request and limit for lvm localpv controller deployment containers  | `""`                                    |
+| `lvmController.labels`                              | Labels for lvm localpv controller deployment metadata                            | `""`                                    |
+| `lvmController.podLabels`                           | Appends labels to the lvm localpv controller deployment pods                     | `""`                                    |
+| `lvmController.nodeSelector`                        | Nodeselector for lvm localpv controller deployment pods                          | `""`                                    |
+| `lvmController.tolerations`                         | lvm localpv controller deployment's pod toleration values                        | `""`                                    |
+| `lvmController.topologySpreadConstraints`           | lvm localpv controller deployment's pod topologySpreadConstraints values         | `""`                                    |
+| `lvmController.securityContext`                     | Security context for lvm localpv controller deployment container                 | `""`                                    |
 | `rbac.pspEnabled`                                   | Enable PodSecurityPolicy                                                         | `false`                                 |
 | `serviceAccount.lvmNode.create`                     | Create a service account for lvmnode or not                                      | `true`                                  |
 | `serviceAccount.lvmNode.name`                       | Name for the lvmnode service account                                             | `openebs-lvm-node-sa`                   |

deploy/helm/charts/charts/crds/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

deploy/helm/charts/charts/crds/Chart.yaml

@@ -0,0 +1,4 @@
+apiVersion: v2
+name: crds
+version: 1.5.0
+description: A Helm chart that collects CustomResourceDefinitions (CRDs) from lvm-localpv.

deploy/helm/charts/charts/crds/templates/_helpers.tpl

@@ -0,0 +1,17 @@
+{{/*
+    This returns a "1" if the CRD is absent in the cluster
+    Usage:
+      {{- if (include "crdIsAbsent" (list <crd-name>)) -}}
+      # CRD Yaml
+      {{- end -}}
+*/}}
+{{- define "crdIsAbsent" -}}
+    {{- $crdName := index . 0 -}}
+    {{- $crd := lookup "apiextensions.k8s.io/v1" "CustomResourceDefinition" "" $crdName -}}
+    {{- $output := "1" -}}
+    {{- if $crd -}}
+        {{- $output = "" -}}
+    {{- end -}}
+
+    {{- $output -}}
+{{- end -}}

deploy/helm/charts/templates/volumesnapshotclasses-crd.yaml → deploy/helm/charts/charts/crds/templates/csi-volume-snapshot-class.yaml

@@ -1,11 +1,12 @@
-{{- if .Values.crd.volumeSnapshot }}
----
+{{- if .Values.csi.volumeSnapshots.enabled -}}
+{{- $crdName := "volumesnapshotclasses.snapshot.storage.k8s.io" -}}
+{{- if (include "crdIsAbsent" (list $crdName)) -}}
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
+    api-approved.kubernetes.io: https://github.com/kubernetes-csi/external-snapshotter/pull/814
     controller-gen.kubebuilder.io/version: v0.11.3
-    api-approved.kubernetes.io: "https://github.com/kubernetes-csi/external-snapshotter/pull/814"
   creationTimestamp: null
   name: volumesnapshotclasses.snapshot.storage.k8s.io
 spec:
@@ -42,8 +43,8 @@ spec:
           properties:
             apiVersion:
               description: 'APIVersion defines the versioned schema of this representation
-                of an object. Servers should convert recognized schemas to the latest
-                internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
               type: string
             deletionPolicy:
               description: deletionPolicy determines whether a VolumeSnapshotContent
@@ -63,8 +64,8 @@ spec:
               type: string
             kind:
               description: 'Kind is a string value representing the REST resource this
-                object represents. Servers may infer this from the endpoint the client
-                submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
               type: string
             parameters:
               additionalProperties:
@@ -83,42 +84,56 @@ spec:
         - jsonPath: .driver
           name: Driver
           type: string
-        - description: Determines whether a VolumeSnapshotContent created through the VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted.
+        - description: Determines whether a VolumeSnapshotContent created through the
+            VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted.
           jsonPath: .deletionPolicy
           name: DeletionPolicy
           type: string
         - jsonPath: .metadata.creationTimestamp
           name: Age
           type: date
-      name: v1beta1
-      # This indicates the v1beta1 version of the custom resource is deprecated.
-      # API requests to this version receive a warning in the server response.
       deprecated: true
-      # This overrides the default warning returned to clients making v1beta1 API requests.
-      deprecationWarning: "snapshot.storage.k8s.io/v1beta1 VolumeSnapshotClass is deprecated; use snapshot.storage.k8s.io/v1 VolumeSnapshotClass"
+      deprecationWarning: snapshot.storage.k8s.io/v1beta1 VolumeSnapshotClass is deprecated;
+        use snapshot.storage.k8s.io/v1 VolumeSnapshotClass
+      name: v1beta1
       schema:
         openAPIV3Schema:
-          description: VolumeSnapshotClass specifies parameters that a underlying storage system uses when creating a volume snapshot. A specific VolumeSnapshotClass is used by specifying its name in a VolumeSnapshot object. VolumeSnapshotClasses are non-namespaced
+          description: VolumeSnapshotClass specifies parameters that a underlying storage
+            system uses when creating a volume snapshot. A specific VolumeSnapshotClass
+            is used by specifying its name in a VolumeSnapshot object. VolumeSnapshotClasses
+            are non-namespaced
           properties:
             apiVersion:
-              description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+              description: 'APIVersion defines the versioned schema of this representation
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
               type: string
             deletionPolicy:
-              description: deletionPolicy determines whether a VolumeSnapshotContent created through the VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted. Supported values are "Retain" and "Delete". "Retain" means that the VolumeSnapshotContent and its physical snapshot on underlying storage system are kept. "Delete" means that the VolumeSnapshotContent and its physical snapshot on underlying storage system are deleted. Required.
+              description: deletionPolicy determines whether a VolumeSnapshotContent
+                created through the VolumeSnapshotClass should be deleted when its bound
+                VolumeSnapshot is deleted. Supported values are "Retain" and "Delete".
+                "Retain" means that the VolumeSnapshotContent and its physical snapshot
+                on underlying storage system are kept. "Delete" means that the VolumeSnapshotContent
+                and its physical snapshot on underlying storage system are deleted.
+                Required.
               enum:
                 - Delete
                 - Retain
               type: string
             driver:
-              description: driver is the name of the storage driver that handles this VolumeSnapshotClass. Required.
+              description: driver is the name of the storage driver that handles this
+                VolumeSnapshotClass. Required.
               type: string
             kind:
-              description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+              description: 'Kind is a string value representing the REST resource this
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
               type: string
             parameters:
               additionalProperties:
                 type: string
-              description: parameters is a key-value map with storage driver specific parameters for creating snapshots. These values are opaque to Kubernetes.
+              description: parameters is a key-value map with storage driver specific
+                parameters for creating snapshots. These values are opaque to Kubernetes.
               type: object
           required:
             - deletionPolicy
@@ -133,4 +148,5 @@ status:
     plural: ""
   conditions: []
   storedVersions: []
-{{- end }}
+{{- end -}}
+{{- end -}}