refactor helm ci tests part I

Signed-off-by: cpanato <ctadeu@gmail.com>

.ct.yaml

@@ -1,6 +1,4 @@
-#!/bin/bash
-
-# Copyright 2020 The Kubernetes Authors.
+# Copyright 2024 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,9 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set -o errexit
-set -o nounset
-set -o pipefail
-
-KUBE_ROOT="$( cd "$(dirname "$0")../" >/dev/null 2>&1 ; pwd -P )"
-ct lint --charts ${KUBE_ROOT}/charts/ingress-nginx --validate-maintainers=false
+remote: origin
+validate-maintainers: false
+target-branch: main
+chart-repos:
+  - ingress-nginx=https://kubernetes.github.io/ingress-nginx
+helm-extra-args: --timeout 800s
+chart-dirs:
+  - charts

.github/workflows/ci.yaml

@@ -168,6 +168,7 @@ jobs:
           name: docker.tar.gz
           path: docker.tar.gz
           retention-days: 5
+
   helm:
     name: Helm chart
     runs-on: ubuntu-latest
@@ -191,6 +192,18 @@ jobs:
           go-version: ${{ needs.build.outputs.golangversion }}
           check-latest: true
 
+      - name: Set up Helm
+        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
+        with:
+          version: '3.14.3'
+
+      - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
+        with:
+          python-version: '3.x'
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
+
       - name: Install Helm Unit Test Plugin
         run: |
           helm plugin install https://github.com/helm-unittest/helm-unittest
@@ -199,14 +212,8 @@ jobs:
         run: |
           helm unittest charts/ingress-nginx -d
 
-      - name: cache
-        uses: actions/download-artifact@c850b930e6ba138125429b7e5c93fc707a7f8427 # v4.1.4
-        with:
-          name: docker.tar.gz
-
-      - name: Lint
-        run: |
-          ./build/run-in-docker.sh ./hack/verify-chart-lint.sh
+      - name: Run chart-testing (lint)
+        run: ct lint --config ct.yaml
 
       - name: Run helm-docs
         run: |
@@ -227,6 +234,11 @@ jobs:
           ./ah lint -p charts/ingress-nginx || exit 1
           rm -f ./ah ./ah_1.5.0_linux_amd64.tar.gz
 
+      - name: cache
+        uses: actions/download-artifact@c850b930e6ba138125429b7e5c93fc707a7f8427 # v4.1.4
+        with:
+          name: docker.tar.gz
+
       - name: fix permissions
         run: |
           sudo mkdir -p $HOME/.kube