[stable/consul] Add the ability to attach lifecycle options to StatefulSet (#15804)

* Add the ability to attach lifecycle options to StatefulSet

Add sample to values  file

Bump chart version

Signed-off-by: Scott Hawkins <scott@articulate.com>
Signed-off-by: echoboomer <scott@articulate.com>

* Fix space in values file

Signed-off-by: echoboomer <scott@articulate.com>

stable/consul/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: consul
 home: https://github.com/hashicorp/consul
-version: 3.7.0
+version: 3.7.1
 appVersion: 1.5.2
 description: Highly available and distributed service discovery and key-value store
   designed with support for the modern data center to make distributed systems and

stable/consul/README.md

@@ -71,6 +71,7 @@ The following table lists the configurable parameters of the consul chart and th
 | `test.rbac.create`                      | Create rbac for test container                 | `false`                           |
 | `test.rbac.serviceAccountName`          | Name of existed service account for test container    | ``                         |
 | `additionalLabels`      | Add labels to Pod and StatefulSet     | `{}`                                                       |
+| `lifecycle`             | Lifecycle configuration, in YAML, for StatefulSet | `nil`                                          |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`.
 

stable/consul/templates/consul-statefulset.yaml

@@ -104,6 +104,10 @@ spec:
           readOnly: true
           mountPath: /etc/consul/userconfig/{{ .name }}
         {{ end }}
+        {{- if .Values.lifecycle }}
+        lifecycle:
+{{ tpl (toYaml .Values.lifecycle) . | indent 10 }}
+        {{- end }}
         livenessProbe:
           exec:
             command:

stable/consul/values.yaml

@@ -137,3 +137,12 @@ test:
 nodeSelector: {}
 tolerations: []
 additionalLabels: {}
+
+# Lifecycle for StatefulSet
+# lifecycle:
+#   preStop:
+#     exec:
+#       command:
+#       - sh
+#       - -c
+#       - "sleep 60"