feat!: introduce new standalone RHDH Chart [RHDHPLAN-1058]

.github/actions/test-charts/action.yml

@@ -52,18 +52,18 @@ runs:
       run: |
         if [[ -n "$INPUT_CHART" ]]; then
           echo "changed=true" >> "$GITHUB_OUTPUT"
-          if [[ "$INPUT_CHART" == "charts/backstage" ]]; then
-            echo "backstageChartChanged=true" >> "$GITHUB_OUTPUT"
+          if [[ "$INPUT_CHART" == "charts/backstage" || "$INPUT_CHART" == "charts/rhdh" ]]; then
+            echo "orchestratorCrdsNeeded=true" >> "$GITHUB_OUTPUT"
           fi
         elif [[ "$INPUT_ALL_CHARTS" == "true" ]]; then
           echo "changed=true" >> "$GITHUB_OUTPUT"
-          echo "backstageChartChanged=true" >> "$GITHUB_OUTPUT"
+          echo "orchestratorCrdsNeeded=true" >> "$GITHUB_OUTPUT"
         else
           listChanged=$(ct list-changed --target-branch "$INPUT_TARGET_BRANCH")
           if [[ -n "$listChanged" ]]; then
             echo "changed=true" >> "$GITHUB_OUTPUT"
-            if grep 'charts/backstage' <<< "$listChanged"; then
-              echo "backstageChartChanged=true" >> "$GITHUB_OUTPUT"
+            if grep -E 'charts/backstage|charts/rhdh' <<< "$listChanged"; then
+              echo "orchestratorCrdsNeeded=true" >> "$GITHUB_OUTPUT"
             fi
           fi
         fi
@@ -158,7 +158,7 @@ runs:
     # For the simple testing that we are doing here on a vanilla K8s cluster, we only need both the Knative and SonataFlow CRDs.
     # TODO(rm3l): Update this when/if there is an upstream counterpart installable via OLM.
     - name: Install Knative and SonataFlow CRDs
-      if: steps.list-changed.outputs.backstageChartChanged == 'true'
+      if: steps.list-changed.outputs.orchestratorCrdsNeeded == 'true'
       shell: bash
       env:
         SONATAFLOW_OPERATOR_VERSION: "10.1.0"
@@ -201,6 +201,15 @@ runs:
             "--set global.host=rhdh.127.0.0.1.sslip.io"
             "--set upstream.backstage.podSecurityContext.fsGroup=1001"
           )
+        elif [[ "$INPUT_CHART" == "charts/rhdh" ]]; then
+          # On vanilla K8s (KinD), there is no SCC to assign a common UID.
+          # Set fsGroup so shared volumes (e.g. RAG data) are group-writable
+          # across init containers and sidecars that may run as different UIDs.
+          EXTRA_ARGS+=(
+            "--set openshift.route.enabled=false"
+            "--set postgresql.primary.persistence.enabled=false"
+            "--set podSecurityContext.fsGroup=1001"
+          )
         fi
         if [[ -n "$INPUT_EXTRA_HELM_ARGS" ]]; then
           IFS=' ' read -ra ADDITIONAL_ARGS <<< "$INPUT_EXTRA_HELM_ARGS"
@@ -209,10 +218,20 @@ runs:
         CT_ARGS=(
           --debug
           --config ct-install.yaml
-          --upgrade
           --target-branch "$INPUT_TARGET_BRANCH"
           --helm-extra-set-args="${EXTRA_ARGS[*]}"
         )
+        # Only test upgrades from the previous revision if the chart exists on the target branch.
+        # New charts (not yet on the target branch) would fail dependency build on the previous revision.
+        if [[ -n "$INPUT_CHART" ]]; then
+          if git show "origin/$INPUT_TARGET_BRANCH:${INPUT_CHART}/Chart.yaml" &>/dev/null; then
+            CT_ARGS+=(--upgrade)
+          else
+            echo "Chart $INPUT_CHART is new (not on $INPUT_TARGET_BRANCH); skipping upgrade test."
+          fi
+        else
+          CT_ARGS+=(--upgrade)
+        fi
         if [[ -n "$INPUT_CHART" ]]; then
           CT_ARGS+=(--charts "$INPUT_CHART")
         elif [[ "$INPUT_ALL_CHARTS" == "true" ]]; then

charts/backstage/Chart.yaml

@@ -47,4 +47,4 @@ sources: []
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
 # Note that when this chart is published to https://github.com/openshift-helm-charts/charts
 # it will follow the RHDH versioning 1.y.z
-version: 6.2.0
+version: 6.2.1

charts/backstage/README.md

@@ -1,7 +1,7 @@
 
 # RHDH Backstage Helm Chart for OpenShift
 
-![Version: 6.2.0](https://img.shields.io/badge/Version-6.2.0-informational?style=flat-square)
+![Version: 6.2.1](https://img.shields.io/badge/Version-6.2.1-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 A Helm chart for deploying Red Hat Developer Hub, which is a Red Hat supported version of Backstage.
@@ -10,6 +10,8 @@ The telemetry data collection feature is enabled by default. Red Hat Developer H
 
 **Homepage:** <https://red.ht/rhdh>
 
+> **DEPRECATED:** Starting with RHDH 2.y, this chart is deprecated in favor of the new [`redhat-developer-hub`](../rhdh/) chart, which owns all Kubernetes templates directly and no longer depends on the upstream Backstage subchart. See the [upgrade guide](../rhdh/README.md#upgrading-from-the-backstage-chart-rhdh-1y) for migration instructions. This chart will continue to receive critical fixes on the supported `release-1.y` branches but no new features.
+
 ## Productized RHDH
 
 This repository now provides the productized RHDH chart.
@@ -29,7 +31,7 @@ For the **Generally Available** version of this chart, see:
 helm repo add bitnami https://charts.bitnami.com/bitnami
 helm repo add redhat-developer https://redhat-developer.github.io/rhdh-chart
 
-helm install my-backstage redhat-developer/backstage --version 6.2.0
+helm install my-backstage redhat-developer/backstage --version 6.2.1
 ```
 
 ## Introduction

charts/backstage/README.md.gotmpl

@@ -9,7 +9,9 @@
 
 {{ template "chart.homepageLine" . }}
 
-## Productized RHDH 
+> **DEPRECATED:** Starting with RHDH 2.y, this chart is deprecated in favor of the new [`redhat-developer-hub`](../rhdh/) chart, which owns all Kubernetes templates directly and no longer depends on the upstream Backstage subchart. See the [upgrade guide](../rhdh/README.md#upgrading-from-the-backstage-chart-rhdh-1y) for migration instructions. This chart will continue to receive critical fixes on the supported `release-1.y` branches but no new features.
+
+## Productized RHDH
 
 This repository now provides the productized RHDH chart.
 For the **Generally Available** version of this chart, see:

charts/rhdh/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/rhdh/Chart.lock

@@ -0,0 +1,9 @@
+dependencies:
+- name: common
+  repository: https://charts.bitnami.com/bitnami
+  version: 2.40.0
+- name: postgresql
+  repository: oci://registry-1.docker.io/bitnamicharts
+  version: 16.2.5
+digest: sha256:764976da7d48aab14580f3c0a8124d0e3eaa81697efeff7f967af1109e885fe6
+generated: "2026-07-08T09:35:41.702344094+02:00"