add helm test step to gh-actions

    and remove local helm testing in favor of ct in PRs

.github/ci/ct.yaml

@@ -1,5 +1,6 @@
 chart-dirs:
   - charts
 helm-extra-args: "--timeout=5m"
+helm-extra-set-args: "--set=kind=Deployment --set=podSecurityPolicy.create=false"
 check-version-increment: false
 target-branch: master

.github/workflows/helm.yaml

@@ -7,9 +7,11 @@ on:
       - release-*
     paths:
       - 'charts/**'
+      - '.github/workflows/helm.yaml'
   pull_request:
     paths:
       - 'charts/**'
+      - '.github/workflows/helm.yaml'
 
 jobs:
   lint-and-test:
@@ -23,14 +25,16 @@ jobs:
       - name: Set up Helm
         uses: azure/[email protected]
         with:
-          version: v3.4.2
+          version: v3.9.2
 
       - uses: actions/[email protected]
         with:
           python-version: 3.7
 
       - name: Set up chart-testing
         uses: helm/[email protected]
+        with:
+          version: v3.7.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
@@ -39,6 +43,35 @@ jobs:
           if [[ -n "$changed" ]]; then
             echo "::set-output name=changed::true"
           fi
+      
+      # Force linting/test in debug runs with a change (this action only runs on chart and helm.yaml workflow diffs anyways)
+      - name: Change Kind to deployment
+        run: "sed -i \"s|kind: [^ ]*|kind: Deployment|g\" charts/descheduler/values.yaml"
 
       - name: Run chart-testing (lint)
         run: ct lint --config=.github/ci/ct.yaml --validate-maintainers=false
+
+      # Need a multi node cluster so descheduler runs until evictions
+      - name: Create multi node Kind cluster
+        run: |
+          cat > kind-config.yaml <<EOF
+          # three node (two workers) cluster config
+          kind: Cluster
+          apiVersion: kind.x-k8s.io/v1alpha4
+          nodes:
+          - role: control-plane
+          - role: worker
+          - role: worker
+          EOF
+          kind create cluster --name kind --config kind-config.yaml --wait 2m
+
+      # helm-extra-set-args only available after ct 3.6.0
+      - name: Run chart-testing (install)
+        run: ct install --config=.github/ci/ct.yaml
+
+      - name: E2E after chart install
+        env:
+          KUBERNETES_VERSION: "v1.24.0"
+          KIND_E2E: true
+          SKIP_INSTALL: true
+        run: make test-e2e

Makefile

@@ -147,6 +147,3 @@ lint-chart: ensure-helm-install
 
 build-helm:
 	helm package ./charts/descheduler --dependency-update --destination ./bin/chart
-
-test-helm: ensure-helm-install
-	./test/run-helm-tests.sh

docs/contributor-guide.md

@@ -39,19 +39,6 @@ make test-unit
 make test-e2e
 ```
 
-## Run Helm Tests
-Run the helm test for a particular descheduler release by setting below variables,
-```
-HELM_IMAGE_REPO="descheduler"
-HELM_IMAGE_TAG="helm-test"
-HELM_CHART_LOCATION="./charts/descheduler"
-```
-The helm tests runs as part of descheduler CI. But, to run it manually from the descheduler root,
-
-```
-make test-helm
-```
-
 ## Build Helm Package locally
 
 If you made some changes in the chart, and just want to check if templating is ok, or if the chart is buildable, you can run this command to have a package built from the `./charts` directory.

test/run-e2e-tests.sh

@@ -18,15 +18,21 @@ set -x
 set -o errexit
 set -o nounset
 
+# Set to mepty if unbound/empty
+SKIP_INSTALL=${EMPTY:-}
+
 # This just runs e2e tests.
 if [ -n "$KIND_E2E" ]; then
-    K8S_VERSION=${KUBERNETES_VERSION:-v1.24.0}
-    curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && mv kubectl /usr/local/bin/
-    wget https://github.com/kubernetes-sigs/kind/releases/download/v0.13.0/kind-linux-amd64
-    chmod +x kind-linux-amd64
-    mv kind-linux-amd64 kind
-    export PATH=$PATH:$PWD
-    kind create cluster --image kindest/node:${K8S_VERSION} --config=./hack/kind_config.yaml
+    # If we did not set SKIP_INSTALL
+    if [ -z "$SKIP_INSTALL" ]; then
+        K8S_VERSION=${KUBERNETES_VERSION:-v1.24.0}
+        curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && mv kubectl /usr/local/bin/
+        wget https://github.com/kubernetes-sigs/kind/releases/download/v0.13.0/kind-linux-amd64
+        chmod +x kind-linux-amd64
+        mv kind-linux-amd64 kind
+        export PATH=$PATH:$PWD
+        kind create cluster --image kindest/node:${K8S_VERSION} --config=./hack/kind_config.yaml
+    fi
     docker pull kubernetes/pause
     kind load docker-image kubernetes/pause
     kind get kubeconfig > /tmp/admin.conf