update docs with helm test info

charts/descheduler/templates/tests/test-descheduler-pod.yaml

@@ -17,7 +17,7 @@ spec:
               drop:
                 - All
             privileged: false
-            runAsNonRoot: false
+            runAsNonRoot: false 
         command: ["/bin/ash"]
         args:
           - -c
@@ -26,4 +26,4 @@ spec:
             curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl &&
             chmod +x ./kubectl &&
             mv ./kubectl /usr/local/bin/kubectl &&
-            /usr/local/bin/kubectl get pods --namespace kube-system --token "$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" | grep "Completed"
+            /usr/local/bin/kubectl get pods --namespace kube-system --token "$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" | grep "descheduler" | grep "Completed"

docs/contributor-guide.md

@@ -39,5 +39,18 @@ 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
+```
+
 ### Miscellaneous
 See the [hack directory](https://github.com/kubernetes-sigs/descheduler/tree/master/hack) for additional tools and scripts used for developing the descheduler.

test/run-helm-tests.sh

@@ -18,9 +18,9 @@ set -o nounset
 set -o pipefail
 
 K8S_VERSION=${KUBERNETES_VERSION:-v1.20.2}
-HELM_IMAGE_REPO="descheduler"
-HELM_IMAGE_TAG="helm-test"
-CHARTS_PATH="./charts/descheduler"
+IMAGE_REPO=${HELM_IMAGE_REPO:-descheduler}
+IMAGE_TAG=${HELM_IMAGE_TAG:-helm-test}
+CHART_LOCATION=${HELM_CHART_LOCATION:-./charts/descheduler}
 VERSION=helm-test make image
 wget https://github.com/kubernetes-sigs/kind/releases/download/v0.10.0/kind-linux-amd64
 chmod +x kind-linux-amd64
@@ -28,7 +28,7 @@ mv kind-linux-amd64 kind
 export PATH=$PATH:$PWD
 kind create cluster --image kindest/node:"${K8S_VERSION}" --config=./hack/kind_config.yaml
 kind load docker-image descheduler:helm-test
-helm install descheduler-ci --set image.repository="${HELM_IMAGE_REPO}",image.tag="${HELM_IMAGE_TAG}" --namespace kube-system "${CHARTS_PATH}"
+helm install descheduler-ci --set image.repository="${IMAGE_REPO}",image.tag="${IMAGE_TAG}" --namespace kube-system "${CHART_LOCATION}"
 sleep 20s
 helm test descheduler-ci --namespace kube-system