ci: create helm dedicated workflow (#1169)

create a dedicated github action for helm operation

Author: giuliocalzo

.github/configs/ct-lint.yaml

@@ -0,0 +1,11 @@
+remote: origin
+target-branch: main
+chart-dirs:
+- "deployments/helm"
+helm-extra-args: "--timeout 600s"
+validate-chart-schema: true
+validate-chart-values: true
+validate-maintainers: false
+check-version-increment: true
+validate-yaml: true
+exclude-deprecated: true

.github/configs/lintconf.yaml

@@ -0,0 +1,35 @@
+---
+rules:
+  braces:
+    min-spaces-inside: 0
+    max-spaces-inside: 0
+    min-spaces-inside-empty: -1
+    max-spaces-inside-empty: -1
+  brackets:
+    min-spaces-inside: 0
+    max-spaces-inside: 0
+    min-spaces-inside-empty: -1
+    max-spaces-inside-empty: -1
+  colons:
+    max-spaces-before: 0
+    max-spaces-after: 1
+  commas:
+    max-spaces-before: 0
+    min-spaces-after: 1
+    max-spaces-after: 1
+  document-end: disable
+  document-start: disable           # No --- to start a file
+  hyphens:
+    max-spaces-after: 1
+  indentation:
+    spaces: consistent
+    indent-sequences: whatever      # - list indentation will handle both indentation and without
+    check-multi-line-strings: false
+  key-duplicates: enable
+  line-length: disable              # Lines can be any length
+  new-line-at-end-of-file: enable
+  new-lines:
+    type: unix
+  trailing-spaces: enable
+  truthy:
+    level: warning

.github/workflows/helm.yaml

@@ -0,0 +1,59 @@
+name: 'helm'
+
+on:
+  pull_request:
+    branches:
+      - main
+    types: [opened, synchronize, closed]
+    paths:
+      - 'deployments/helm/**'
+
+permissions:
+  id-token: write
+  packages: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "checkout"
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+
+      - name: Run chart-testing
+        run: |
+          ct lint --debug --all --config ./.github/configs/ct-lint.yaml \
+            --lint-conf ./.github/configs/lintconf.yaml \
+            --target-branch ${{ github.event.pull_request.base.ref }}
+
+      - name: Run kubeconform
+        run: |
+          helm plugin install https://github.com/melmorabity/helm-kubeconform
+          helm kubeconform chart --verbose --summary --strict --exit-on-error
+
+      - name: release
+        if: github.event.pull_request.merged == true
+        env:
+          REPOSITORY_OWNER: ${{ github.repository_owner }}
+        run: |
+          REPO_NAME=$(echo "${GITHUB_REPOSITORY}" | cut -d'/' -f2)
+          CHART_NAME="$(grep -e "^name:" deployments/helm/gpud/Chart.yaml | awk '{print $2}')"
+          CHART_VERSION="$(grep -e "^version:" deployments/helm/gpud/Chart.yaml | awk '{print $2}')"
+          echo '${{ secrets.GITHUB_TOKEN }}' | helm registry login -u '${{ github.actor }}' --password-stdin 'ghcr.io'
+          helm package deployments/helm/gpud
+          echo "Pushing helm chart ${CHART_NAME}-${CHART_VERSION}.tgz to oci://ghcr.io/${REPOSITORY_OWNER}"
+          helm push "${CHART_NAME}-${CHART_VERSION}.tgz" "oci://ghcr.io/chart/${REPOSITORY_OWNER}"

deployments/helm/gpud/Chart.yaml

@@ -4,3 +4,4 @@ description: GPUd Helm chart for Kubernetes
 type: application
 version: 0.8.0
 appVersion: "v0.8.0"
+icon: https://assets.nvidiagrid.net/ngc/logos/Infrastructure.png