feat: add storage charts for local-path and piraeus#4
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robinbraemer merged 5 commits intomainfrom Feb 24, 2026
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Add two storage provider helm charts for CNAP's persistent storage capability: - storage/local-path: Local Path Provisioner for single-node storage (development and simple setups) - storage/piraeus: Piraeus Operator (LINSTOR) wrapper for replicated block storage with automatic failover (production) The piraeus chart wraps two subcharts (piraeus-operator v2.10.4 and linstor-cluster v1.1.1) and configures a file-backed thin pool with a default StorageClass. Part of CNAP-319.
- Update local-path-provisioner from v0.0.30 to v0.0.34 (latest) - Pin busybox helperPod image to 1.37.0 instead of 'latest' - Remove unused _helpers.tpl from piraeus chart (pure subchart wrapper has no custom templates)
- Add dependency build step in CI for charts with Chart.lock (needed for OCI subchart dependencies that are gitignored as .tgz) - Add NOTES.txt to piraeus templates/ dir (helm --strict requires a non-empty templates directory)
installCRDs defaults to false in the piraeus subchart, which means ArgoCD would deploy the operator without its CRDs. The linstor-cluster subchart would then fail to create LinstorCluster and LinstorSatelliteConfiguration custom resources.
Configures Renovate to auto-update: - OCI subchart dependencies in piraeus Chart.yaml (helmv3 manager) - Docker image tags in values.yaml files (helm-values manager) - appVersion in local-path Chart.yaml (custom regex manager) Groups related updates (piraeus deps, local-path image + appVersion) and disables tracking for empty/latest tags.
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Summary
storage/local-pathchart — Local Path Provisioner for single-node storage (dev/simple setups)storage/piraeuschart — Piraeus Operator (LINSTOR) wrapper for replicated block storage with automatic failover (production)piraeus-operatorv2.10.4 andlinstor-clusterv1.1.1 OCI subchartsLocal Path Provisioner (
storage/local-path)Inlines upstream manifests (no official Helm repo available). Creates:
rancher/local-path-provisioner:v0.0.30local-path) withrancher.io/local-pathprovisionerPiraeus / LINSTOR (
storage/piraeus)Pure wrapper chart with two OCI subchart dependencies:
piraeus(operator) fromoci://ghcr.io/piraeusdatastore/piraeus-operatorlinstor-clusterfromoci://ghcr.io/piraeusdatastore/helm-chartsConfigures via subchart values passthrough:
LinstorClusterCR (operator deploys controller + satellite DaemonSet)LinstorSatelliteConfigurationwith file-backed thin pool (no dedicated disks)StorageClass(piraeus-storage) withlinstor.csi.linbit.comCSI driverPart of CNAP-319. Companion to cnap-tech/cnap#66.
Test plan
helm lint storage/local-path/— passeshelm lint storage/piraeus/— passeshelm template test storage/local-path/— renders all resources correctlyhelm template test storage/piraeus/— renders operator + LinstorCluster + SatelliteConfig + StorageClass