[POLICY] Use common secret template in drools

Use common secret template in drools module instead of putting db
credentials in a single secret file to allow usage of external secret
mechanism.

For now db creds are hardcoded but will be remove in further commits.

Issue-ID: OOM-2342
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: I377b71d76b0b37e919ea841586bb6d5c22107952

4 files changed, 17 insertions, 3 deletions

diff --git a/kubernetes/policy/charts/drools/resources/secrets/credentials.conf b/kubernetes/policy/charts/drools/resources/secrets/credentials.conf
index 57269c18af..ee2acc40f2 100644
--- a/kubernetes/policy/charts/drools/resources/secrets/credentials.conf
+++ b/kubernetes/policy/charts/drools/resources/secrets/credentials.conf
@@ -25,9 +25,6 @@ TELEMETRY_PASSWORD={{.Values.telemetry.password}}
 REPOSITORY_USERNAME={{.Values.nexus.user}}
 REPOSITORY_PASSWORD={{.Values.nexus.password}}
 
-SQL_USER={{.Values.db.user}}
-SQL_PASSWORD={{.Values.db.password}}
-
 PDPD_CONFIGURATION_API_KEY={{.Values.dmaap.brmsgw.key}}
 PDPD_CONFIGURATION_API_SECRET={{.Values.dmaap.brmsgw.secret}}
 
diff --git a/kubernetes/policy/charts/drools/templates/secrets.yaml b/kubernetes/policy/charts/drools/templates/secrets.yaml
index 47e0b8cfb0..7fb84b5ddc 100644
--- a/kubernetes/policy/charts/drools/templates/secrets.yaml
+++ b/kubernetes/policy/charts/drools/templates/secrets.yaml
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{ include "common.secret" . }}
+---
 apiVersion: v1
 kind: Secret
 metadata:
diff --git a/kubernetes/policy/charts/drools/templates/statefulset.yaml b/kubernetes/policy/charts/drools/templates/statefulset.yaml
index 047a77afef..e2463aa2c2 100644
--- a/kubernetes/policy/charts/drools/templates/statefulset.yaml
+++ b/kubernetes/policy/charts/drools/templates/statefulset.yaml
@@ -74,6 +74,10 @@ spec:
           env:
           - name: REPLICAS
             value: "{{ .Values.replicaCount }}"
+          - name: SQL_USER
+            {{- include "common.secret.envFromSecret" (dict "global" . "uid" "db-secret" "key" "login") | indent 12 }}
+          - name: SQL_PASSWORD
+            {{- include "common.secret.envFromSecret" (dict "global" . "uid" "db-secret" "key" "password") | indent 12 }}
           volumeMounts:
           - mountPath: /etc/localtime
             name: localtime
diff --git a/kubernetes/policy/charts/drools/values.yaml b/kubernetes/policy/charts/drools/values.yaml
index fbb4211920..eae24e0b85 100644
--- a/kubernetes/policy/charts/drools/values.yaml
+++ b/kubernetes/policy/charts/drools/values.yaml
@@ -25,6 +25,17 @@ global:
   ubuntuImage: ubuntu:16.04
 
 #################################################################
+# Secrets metaconfig
+#################################################################
+secrets:
+  - uid: db-secret
+    type: basicAuth
+    externalSecret: '{{ tpl (default "" .Values.db.credsExternalSecret) . }}'
+    login: '{{ .Values.db.user }}'
+    password: '{{ .Values.db.password }}'
+    passwordPolicy: required
+
+#################################################################
 # Application configuration defaults.
 #################################################################
 # application image