remove hardcoded MariaDB password

This aligns with other changes on OOM.
You can either supply a specific password or
 have it generated for you based on a master password

Issue-ID: CLAMP-796, OJSI-188

Change-Id: If1b80fc47cf1033e094f8a106746d1e8c556c08b
Signed-off-by: JulienBe <jb379x@att.com>
Co-authored-by: sebdet <sebastien.determe@intl.att.com>
[small updates in common secret template usage]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
diff --git a/kubernetes/clamp/charts/clamp-backend/templates/deployment.yaml b/kubernetes/clamp/charts/clamp-backend/templates/deployment.yaml
index fa00ffe..5e473bc 100644
--- a/kubernetes/clamp/charts/clamp-backend/templates/deployment.yaml
+++ b/kubernetes/clamp/charts/clamp-backend/templates/deployment.yaml
@@ -78,11 +78,17 @@
             name: {{ include "common.fullname" . }}-config
             subPath: sdc-controllers-config.json
           env:
-            - name: SPRING_APPLICATION_JSON
-              valueFrom:
-                configMapKeyRef:
-                  name: {{ template "common.fullname" . }}
-                  key: spring_application_json
+          - name: MYSQL_USER
+            {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "db-secret" "key" "login") | indent 12 }}
+          - name: MYSQL_PASSWORD
+            {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "db-secret" "key" "password") | indent 12 }}
+          - name: MYSQL_DATABASE
+            value: {{ tpl .Values.db.databaseName .}}
+          - name: SPRING_APPLICATION_JSON
+            valueFrom:
+              configMapKeyRef:
+                name: {{ template "common.fullname" . }}
+                key: spring_application_json
           resources:
 {{ include "common.resources" . | indent 12 }}
         {{- if .Values.nodeSelector }}
diff --git a/kubernetes/clamp/charts/clamp-backend/templates/secrets.yaml b/kubernetes/clamp/charts/clamp-backend/templates/secrets.yaml
new file mode 100644
index 0000000..57f88ce
--- /dev/null
+++ b/kubernetes/clamp/charts/clamp-backend/templates/secrets.yaml
@@ -0,0 +1,16 @@
+# Copyright © 2017 Amdocs, Bell Canada
+# Modifications Copyright © 2018 AT&T
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+{{ include "common.secretFast" . }}