[stable/osclass] Fix chart not being upgradable (helm#7817)

Signed-off-by: Javier J. Salmeron Garcia <jsalmeron@bitnami.com>
wgiddens · Jan 18, 2019 · 4eceff5 · 4eceff5
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diff --git a/stable/osclass/Chart.yaml b/stable/osclass/Chart.yaml
@@ -1,5 +1,5 @@
 name: osclass
-version: 2.0.4
+version: 3.0.0
 appVersion: 3.7.4
 description: Osclass is a php script that allows you to quickly create and manage
   your own free classifieds site.

diff --git a/stable/osclass/README.md b/stable/osclass/README.md
@@ -130,3 +130,14 @@ The [Bitnami Osclass](https://github.com/bitnami/bitnami-docker-osclass) image s
 
 Persistent Volume Claims are used to keep the data across deployments. This is known to work in GCE, AWS, and minikube.
 See the [Configuration](#configuration) section to configure the PVC or to disable persistence.
+
+## Upgrading
+
+### To 3.0.0
+
+Backwards compatibility is not guaranteed unless you modify the labels used on the chart's deployments.
+Use the workaround below to upgrade from versions previous to 3.0.0. The following example assumes that the release name is osclass:
+
+```console
+$ kubectl patch deployment osclass-osclass --type=json -p='[{"op": "remove", "path": "/spec/selector/matchLabels/chart"}]'
+$ kubectl delete statefulset osclass-mariadb --cascade=false
diff --git a/stable/osclass/templates/deployment.yaml b/stable/osclass/templates/deployment.yaml
@@ -9,6 +9,10 @@ metadata:
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
 spec:
+  selector:
+    matchLabels:
+      app: {{ template "osclass.fullname" . }}
+      release: "{{ .Release.Name }}"
   template:
     metadata:
       labels: