Allow the configuration of liveness and readiness times (#4741)

* Allow the configuration of liveness and readiness times

* Add missing newline

* Bump the minor version

stable/mongodb-replicaset/Chart.yaml

@@ -1,6 +1,6 @@
 name: mongodb-replicaset
 home: https://github.com/mongodb/mongo
-version: 3.0.0
+version: 3.1.0
 appVersion: 3.6
 description: NoSQL document-oriented database that stores JSON-like documents with
   dynamic schemas, simplifying the integration of data in content-driven applications.

stable/mongodb-replicaset/README.md

@@ -61,6 +61,8 @@ The following tables lists the configurable parameters of the mongodb chart and
 | `nodeSelector`                      | Node labels for pod assignment                                            | `{}`                                                |
 | `affinity`                          | Node/pod affinities                                                       | `{}`                                                |
 | `tolerations`                       | List of node taints to tolerate                                           | `[]`                                                |
+| `livenessProbe`                     | Liveness probe configuration                                              | See below                                           |
+| `readynessProbe`                    | Readyness probe configuration                                             | See below                                           |
 
 *MongoDB config file*
 
@@ -155,6 +157,29 @@ mongodb with your `mongo.pem` certificate:
 ```console
 $ mongo --ssl --sslCAFile=ca.crt --sslPEMKeyFile=mongo.pem --eval "db.adminCommand('ping')"
 ```
+## Readiness probe
+The default values for the readiness probe are:
+
+```yaml
+readinessProbe:
+  initialDelaySeconds: 5
+  timeoutSeconds: 1
+  failureThreshold: 3
+  periodSeconds: 10
+  successThreshold: 1
+```
+
+## Liveness probe
+The default values for the liveness probe are:
+
+```yaml
+livenessProbe:
+  initialDelaySeconds: 30
+  timeoutSeconds: 5
+  failureThreshold: 3
+  periodSeconds: 10
+  successThreshold: 1
+```  
 
 ## Deep dive
 

stable/mongodb-replicaset/templates/mongodb-statefulset.yaml

@@ -165,8 +165,11 @@ spec:
               {{- end }}
                 - --eval
                 - "db.adminCommand('ping')"
-            initialDelaySeconds: 30
-            timeoutSeconds: 5
+            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
+            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+            failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
+            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
+            successThreshold: {{ .Values.livenessProbe.successThreshold }}
           readinessProbe:
             exec:
               command:
@@ -178,8 +181,11 @@ spec:
               {{- end }}
                 - --eval
                 - "db.adminCommand('ping')"
-            initialDelaySeconds: 5
-            timeoutSeconds: 1
+            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
+            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
+            failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
+            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
+            successThreshold: {{ .Values.readinessProbe.successThreshold }}
           volumeMounts:
             - name: datadir
               mountPath: /data/db

stable/mongodb-replicaset/values.yaml

@@ -80,3 +80,19 @@ tls:
 
 # Entries for the MongoDB config file
 configmap:
+
+# Readiness probe
+readinessProbe:
+  initialDelaySeconds: 5
+  timeoutSeconds: 1
+  failureThreshold: 3
+  periodSeconds: 10
+  successThreshold: 1
+
+# Liveness probe
+livenessProbe:
+  initialDelaySeconds: 30
+  timeoutSeconds: 5
+  failureThreshold: 3
+  periodSeconds: 10
+  successThreshold: 1