build(ci): switch to pulling chart version from chart.yaml

Author: 1602077

.gitlab-ci.yml

@@ -52,15 +52,16 @@ build-chart:
   stage: build-chart
   script: |
     CHART_NAME=cvmfs-csi
+    CHART_VERSION=$(grep '^version:' "deployments/helm/${CHART_NAME}/Chart.yaml" | awk '{print $2}')
     helm package "deployments/helm/${CHART_NAME}"
 
     if $PUSH_CHART; then
       helm registry login registry.cern.ch -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD
-      helm push ${CHART_NAME}-${CI_COMMIT_TAG}.tgz "oci://${REGISTRY_CHART_PATH}"
+      helm push ${CHART_NAME}-${CHART_VERSION}.tgz "oci://${REGISTRY_CHART_PATH}"
 
       echo -n "${HARBOR_SIGNKEY}" | base64 -d > .sign.key
       cosign login registry.cern.ch -u ${HARBOR_USER} -p ${HARBOR_TOKEN}
-      cosign sign --key .sign.key -y "${REGISTRY_CHART_PATH}/${CHART_NAME}:${CI_COMMIT_TAG}"
+      cosign sign --key .sign.key -y "${REGISTRY_CHART_PATH}/${CHART_NAME}:${CHART_VERSION}"
     fi
   variables:
     REGISTRY_CHART_PATH: registry.cern.ch/kubernetes/charts