Add script to enable upgrade from 7.1.3

deploy/helm/quarks/hooks/pre-upgrade/remove-sts-name-label-v7.1.3.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# quarks-operator v7.1.3 added a new label `quarks.cloudfoundry.org/statefulset-name`. This is no longer supported and breaks STS updates.
+
+if [ -n "$SINGLE_NAMESPACE" ]; then
+
+  # delete these
+  for sts in $(kubectl get sts -n "$SINGLE_NAMESPACE" -o name -l quarks.cloudfoundry.org/statefulset-name --ignore-not-found)
+  do
+      sts_name=$(echo "$sts" | sed 's@.*/@@')
+      echo 1>&2 "### Recreate sts: $sts_name ..."
+
+      if test -z "${sts_name}" ; then
+        echo 1>&2 "SKIP STS $sts: error"
+        continue
+      fi
+
+      kubectl get -n "$SINGLE_NAMESPACE" "$sts" -o json | jq --arg N "$sts_name" '
+      del(.metadata.namespace,.metadata.resourceVersion,.metadata.uid,.metadata.managedFields)
+      | .metadata.creationTimestamp=null
+      | del(
+        .spec.template.metadata.labels."quarks.cloudfoundry.org/statefulset-name",
+        .metadata.labels."quarks.cloudfoundry.org/statefulset-name",
+        .spec.selector.matchLabels."quarks.cloudfoundry.org/statefulset-name")
+      | .spec.template.metadata.labels."quarks.cloudfoundry.org/quarks-statefulset-name"=$N
+      | .spec.selector.matchLabels."quarks.cloudfoundry.org/quarks-statefulset-name"=$N
+      ' > "$sts_name".json
+
+      kubectl delete -n "$SINGLE_NAMESPACE" --cascade=orphan "$sts"
+
+      kubectl apply --wait -n "$SINGLE_NAMESPACE" -f "$sts_name".json
+  done
+
+  # # update labels on pods
+  # for pod in $(kubectl get pod -n "$SINGLE_NAMESPACE" -o name -l "quarks.cloudfoundry.org/statefulset-name" --ignore-not-found)
+  # do
+  #   sts_name=$(kubectl get -n "$SINGLE_NAMESPACE" "$pod" -o jsonpath="{.metadata.labels.quarks\.cloudfoundry\.org/statefulset-name}")
+
+  #   echo 1>&2 " ### Update pod labels: $sts"
+  #   # delete
+  #   kubectl label -n "$SINGLE_NAMESPACE" "$pod" "quarks.cloudfoundry.org/statefulset-name"-
+  #   # with az
+  #   kubectl label --overwrite -n "$SINGLE_NAMESPACE" "$pod" "quarks.cloudfoundry.org/quarks-statefulset-name=$sts_name"
+  # done
+
+fi