Support Kubernetes v1.22

.github/workflows/helm.yaml

@@ -20,22 +20,12 @@ jobs:
         with:
           go-version: 1.16
 
-      - name: Setup Helm
-        uses: azure/setup-helm@v1
-        with:
-          version: v3.5.0
-
-      - name: Setup helm-docs
+      - name: Setup Tools
         run: |
-          HELM_DOCS_VERSION="1.5.0"
-          OS=$(uname)
-
-          curl -L -sS https://github.com/norwoodj/helm-docs/releases/download/v"${HELM_DOCS_VERSION}"/helm-docs_"${HELM_DOCS_VERSION}"_${OS}_x86_64.tar.gz \
-            | tar zx -C /tmp
-          sudo mv /tmp/helm-docs /usr/local/bin
+          make -C e2e setup
 
       - name: Run helm-docs
-        run: helm-docs && git diff --no-patch --exit-code
+        run: ./bin/helm-docs && git diff --no-patch --exit-code
 
       - uses: actions/setup-python@v2
         with:
@@ -57,7 +47,6 @@ jobs:
 
       - name: Setup kind
         run: |
-          make -C e2e setup
           make -C e2e daemonset-lvmd/create-vg
           make -C e2e daemonset-lvmd/setup-minikube
           make -C e2e daemonset-lvmd/update-minikube-setting

Makefile

@@ -5,8 +5,9 @@ CONTROLLER_TOOLS_VERSION=$(shell awk '/sigs\.k8s\.io\/controller-tools/ {print s
 CSI_VERSION=1.5.0
 PROTOC_VERSION=3.15.0
 KIND_VERSION=v0.11.1
-HELM_VERSION=3.5.0
+HELM_VERSION=3.7.1
 HELM_DOCS_VERSION=1.5.0
+YQ_VERSION=4.14.1
 
 SUDO=sudo
 CURL=curl -Lsf
@@ -31,8 +32,7 @@ IMAGE_TAG ?= latest
 ## for build kind node
 KIND_NODE_VERSION=v1.21.1
 
-## TODO: update to 1.21 after envtest in controller-rutime support k8s 1.21
-ENVTEST_KUBERNETES_VERSION=1.20
+ENVTEST_KUBERNETES_VERSION=1.22
 
 # Set the shell used to bash for better error handling.
 SHELL = /bin/bash
@@ -89,7 +89,7 @@ manifests: ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefin
 		webhook \
 		paths="./api/...;./controllers;./hook;./driver/k8s;./pkg/..." \
 		output:crd:artifacts:config=config/crd/bases
-	yq eval 'del(.status)' config/crd/bases/topolvm.cybozu.com_logicalvolumes.yaml > charts/topolvm/crds/topolvm.cybozu.com_logicalvolumes.yaml
+	$(BINDIR)/yq eval 'del(.status)' config/crd/bases/topolvm.cybozu.com_logicalvolumes.yaml > charts/topolvm/crds/topolvm.cybozu.com_logicalvolumes.yaml
 
 .PHONY: generate
 generate: $(PROTOBUF_GEN) ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
@@ -182,7 +182,9 @@ tools: install-kind ## Install development tools.
 
 	GOBIN=$(BINDIR) go install github.com/norwoodj/helm-docs/cmd/helm-docs@v$(HELM_DOCS_VERSION)
 	curl -L -sS https://get.helm.sh/helm-v$(HELM_VERSION)-linux-amd64.tar.gz \
-	  | tar xvz -C $(BINDIR) --strip-components 1 linux-amd64/helm
+		| tar xvz -C $(BINDIR) --strip-components 1 linux-amd64/helm
+	wget https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 -O $(BINDIR)/yq \
+		&& chmod +x $(BINDIR)/yq
 
 .PHONY: setup
 setup: tools ## Setup local environment.

README.md

@@ -20,7 +20,7 @@ Join our community on Slack: [Invitation form](https://docs.google.com/forms/d/e
 Supported environments
 ----------------------
 
-- Kubernetes: 1.21, 1.20, 1.19
+- Kubernetes: 1.22, 1.21, 1.20
 - Node OS: Linux with LVM2 (*1)
 - Filesystems: ext4, xfs
 

charts/topolvm/README.md

@@ -3,7 +3,7 @@
 
 ## Prerequisites
 
-* Kubernetes 1.18+
+* Kubernetes 1.20+
 * Configure `kube-scheduler` on the underlying nodes, ref: https://github.com/topolvm/topolvm/tree/master/deploy#configure-kube-scheduler
 * `cert-manager` version `v1.0.0+` installed. ref: https://cert-manager.io/
 * Requires at least `v3.5.0+` version of helm to support

charts/topolvm/README.md.gotmpl

@@ -3,7 +3,7 @@
 
 ## Prerequisites
 
-* Kubernetes 1.18+
+* Kubernetes 1.20+
 * Configure `kube-scheduler` on the underlying nodes, ref: https://github.com/topolvm/topolvm/tree/master/deploy#configure-kube-scheduler
 * `cert-manager` version `v1.0.0+` installed. ref: https://cert-manager.io/
 * Requires at least `v3.5.0+` version of helm to support

charts/topolvm/crds/topolvm.cybozu.com_logicalvolumes.yaml

@@ -2,7 +2,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.6.0
+    controller-gen.kubebuilder.io/version: v0.7.0
   creationTimestamp: null
   name: logicalvolumes.topolvm.cybozu.com
 spec:

config/crd/bases/topolvm.cybozu.com_logicalvolumes.yaml

@@ -4,7 +4,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.6.0
+    controller-gen.kubebuilder.io/version: v0.7.0
   creationTimestamp: null
   name: logicalvolumes.topolvm.cybozu.com
 spec:

docs/maintenance.md

@@ -17,8 +17,8 @@ First of all, we should have a look at the release notes in the order below.
 
 1. Kubernetes
     - Choose the next version and check the [release note](https://kubernetes.io/docs/setup/release/notes/). e.g. 1.17, 1.18, 1.19 -> 1.18, 1.19, 1.20
-2. controller-runtime
     - Read the [release note](https://github.com/kubernetes-sigs/controller-runtime/releases), and check which version is compatible with the Kubernetes versions.
+    - Read the [kubebuilder go.mod](https://github.com/kubernetes-sigs/kubebuilder/blob/master/go.mod), and check the controller-tools version corresponding to controller-runtime.
 3. CSI spec
     - Read the [release note](https://github.com/container-storage-interface/spec/releases) and check all the changes from the current version to the latest.
     - Basically, CSI spec should NOT be upgraded aggressively in this task.
@@ -34,10 +34,14 @@ First of all, we should have a look at the release notes in the order below.
 5. Depending tools
     - They does not depend on other software, use latest versions.
       - [helm](https://github.com/helm/helm/releases)
+      - [helm-docs](github.com/norwoodj/helm-docs/releases)
       - [protoc](https://github.com/protocolbuffers/protobuf/releases)
     - They depend on kubernetes, use appropriate version associating to minimal supported kubernetes version by TopoLVM.
       - [kind](https://github.com/kubernetes-sigs/kind/releases)
       - [minikube](https://github.com/kubernetes/minikube/releases)
+6. Depending modules
+  - Read [kubernetes go.mod](https://github.com/kubernetes/kubernetes/blob/master/go.mod), and update the `prometheus/*` and `grpc` modules.
+  - Read [csi-test go.mod](https://github.com/kubernetes-csi/csi-test/blob/master/go.mod), and update the `ginkgo` and `gomega` modules.
 
 Please write down to the Github issue of this task what kinds of changes we find in the release note and what we are going to do and NOT going to do to address the changes.
 The format is up to you, but this is very important to keep track of what changes are made in this task, so please do not forget to do it.

e2e/Makefile

@@ -4,7 +4,7 @@ TEST_SCHEDULER_MANIFEST ?= daemonset
 STORAGE_CAPACITY ?= false
 
 ## Dependency versions
-MINIKUBE_VERSION := v1.22.0
+MINIKUBE_VERSION := v1.23.2
 CERT_MANAGER_VERSION := v1.3.1
 
 BINDIR := $(shell pwd)/bin
@@ -20,7 +20,7 @@ export MINIKUBE_HOME
 
 READ_WRITE_ONCE_POD=false
 ifeq ($(TEST_KUBERNETES_TARGET),current)
-KUBERNETES_VERSION := 1.22.0
+KUBERNETES_VERSION := 1.22.2
 READ_WRITE_ONCE_POD=true
 else ifeq ($(TEST_KUBERNETES_TARGET),prev)
 KUBERNETES_VERSION := 1.21.2
@@ -39,7 +39,7 @@ endif
 KIND_CONFIG="topolvm-cluster.yaml"
 MINIKUBE_FEATURE_GATES=""
 MINIKUBE_SCHEDULER_MANIFEST=kube-scheduler.yaml
-ifeq ($(KUBERNETES_VERSION),1.22.0)
+ifeq ($(KUBERNETES_VERSION),1.22.2)
 KIND_CONFIG="topolvm-cluster-single-writer.yaml"
 MINIKUBE_FEATURE_GATES="ReadWriteOncePod=true"
 MINIKUBE_SCHEDULER_MANIFEST=kube-scheduler-single-writer.yaml

go.mod

@@ -9,24 +9,24 @@ require (
 	github.com/google/go-cmp v0.5.6
 	github.com/kubernetes-csi/csi-test/v4 v4.3.0
 	github.com/onsi/ginkgo v1.16.4
-	github.com/onsi/gomega v1.13.0
+	github.com/onsi/gomega v1.15.0
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.26.0
 	github.com/pseudomuto/protoc-gen-doc v1.4.1
-	github.com/spf13/cobra v1.1.3
-	github.com/spf13/viper v1.7.1
-	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40
-	google.golang.org/grpc v1.38.0
+	github.com/spf13/cobra v1.2.1
+	github.com/spf13/viper v1.8.1
+	golang.org/x/sys v0.0.0-20210817190340-bfb29a6856f2
+	google.golang.org/grpc v1.42.0
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0
 	google.golang.org/protobuf v1.26.0
-	k8s.io/api v0.21.1
-	k8s.io/apimachinery v0.21.1
-	k8s.io/client-go v0.21.1
+	k8s.io/api v0.22.2
+	k8s.io/apimachinery v0.22.2
+	k8s.io/client-go v0.22.2
 	k8s.io/klog v1.0.0
-	k8s.io/mount-utils v0.21.1
-	k8s.io/utils v0.0.0-20210527160623-6fdb442a123b
-	sigs.k8s.io/controller-runtime v0.9.0
-	sigs.k8s.io/controller-tools v0.6.0
+	k8s.io/mount-utils v0.22.2
+	k8s.io/utils v0.0.0-20210819203725-bdf08cb9a70a
+	sigs.k8s.io/controller-runtime v0.10.2
+	sigs.k8s.io/controller-tools v0.7.0
 	sigs.k8s.io/yaml v1.2.0
 )