[stable/mariadb] use credentials in exec probes (#3811)

* use credentials for health check

* refactor app label to meet best practices

* exec probes within bash to access valueFrom env vars

stable/mariadb/Chart.yaml

@@ -1,5 +1,5 @@
 name: mariadb
-version: 2.1.8
+version: 2.1.9
 appVersion: 10.1.31
 description: Fast, reliable, scalable, and easy to use open-source relational database system. MariaDB Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software.
 keywords:

stable/mariadb/templates/configmap.yaml

@@ -3,7 +3,7 @@ kind: ConfigMap
 metadata:
   name: {{ template "mariadb.fullname" . }}
   labels:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}
     chart: {{ template "mariadb.chart" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"

stable/mariadb/templates/deployment.yaml

@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: {{ template "mariadb.fullname" . }}
   labels:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}
     chart: {{ template "mariadb.chart" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
@@ -11,7 +11,7 @@ spec:
   template:
     metadata:
       labels:
-        app: {{ template "mariadb.fullname" . }}
+        app: {{ template "mariadb.name" . }}
     spec:
       securityContext:
         runAsUser: 1001
@@ -58,15 +58,17 @@ spec:
         livenessProbe:
           exec:
             command:
-            - mysqladmin
-            - ping
+            - bash
+            - -c
+            - mysqladmin ping{{ if .Values.usePassword }} -uroot -p$MARIADB_ROOT_PASSWORD{{ end }}
           initialDelaySeconds: 30
           timeoutSeconds: 5
         readinessProbe:
           exec:
             command:
-            - mysqladmin
-            - ping
+            - bash
+            - -c
+            - mysqladmin ping{{ if .Values.usePassword }} -uroot -p$MARIADB_ROOT_PASSWORD{{ end }}
           initialDelaySeconds: 5
           timeoutSeconds: 1
         resources:

stable/mariadb/templates/pvc.yaml

@@ -4,7 +4,7 @@ apiVersion: v1
 metadata:
   name: {{ template "mariadb.fullname" . }}
   labels:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}
     chart: {{ template "mariadb.chart" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"

stable/mariadb/templates/secrets.yaml

@@ -4,7 +4,7 @@ kind: Secret
 metadata:
   name: {{ template "mariadb.fullname" . }}
   labels:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}
     chart: {{ template "mariadb.chart" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"

stable/mariadb/templates/svc.yaml

@@ -3,7 +3,7 @@ kind: Service
 metadata:
   name: {{ template "mariadb.fullname" . }}
   labels:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}
     chart: {{ template "mariadb.chart" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
@@ -29,4 +29,4 @@ spec:
     targetPort: metrics
 {{- end }}
   selector:
-    app: {{ template "mariadb.fullname" . }}
+    app: {{ template "mariadb.name" . }}