[POLICY] Use common secret template in pap

Use common secret template in pap module instead of hardcoding them in
config map.

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

Issue-ID: OOM-2342
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: Ic4a4c175579fdc89de216fc09edd562530ad10cc

4 files changed, 56 insertions, 3 deletions

diff --git a/kubernetes/policy/charts/pap/resources/config/config.json b/kubernetes/policy/charts/pap/resources/config/config.json
index e4517c7a5d..544ecdfc32 100644
--- a/kubernetes/policy/charts/pap/resources/config/config.json
+++ b/kubernetes/policy/charts/pap/resources/config/config.json
@@ -41,8 +41,8 @@
         "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
         "databaseDriver": "org.mariadb.jdbc.Driver",
         "databaseUrl": "jdbc:mariadb://{{ .Values.global.mariadb.service.name }}:{{ .Values.global.mariadb.service.internalPort }}/{{ .Values.global.mariadb.config.mysqlDatabase }}",
-        "databaseUser": "{{ .Values.global.mariadb.config.userName }}",
-        "databasePassword": "{{ .Values.global.mariadb.config.userPassword | b64enc }}",
+        "databaseUser": "${SQL_USER}",
+        "databasePassword": "${SQL_PASSWORD_BASE64}",
         "persistenceUnit": "PolicyMariaDb"
     },
     "topicParameterGroup": {
diff --git a/kubernetes/policy/charts/pap/templates/deployment.yaml b/kubernetes/policy/charts/pap/templates/deployment.yaml
index caef5218ef..85ca9c1486 100644
--- a/kubernetes/policy/charts/pap/templates/deployment.yaml
+++ b/kubernetes/policy/charts/pap/templates/deployment.yaml
@@ -31,6 +31,25 @@ spec:
         image: "{{ .Values.global.readinessRepository }}/{{ .Values.global.readinessImage }}"
         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
         name: {{ include "common.name" . }}-readiness
+
+      - command:
+        - sh
+        args:
+        - -c
+        - "export SQL_PASSWORD_BASE64=`echo -n ${SQL_PASSWORD} | base64`; cd /config-input && for PFILE in `ls -1 .`; do envsubst <${PFILE} >/config/${PFILE}; done"
+        env:
+        - name: SQL_USER
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "db-secret" "key" "login") | indent 10 }}
+        - name: SQL_PASSWORD
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "db-secret" "key" "password") | indent 10 }}
+        volumeMounts:
+        - mountPath: /config-input
+          name: papconfig
+        - mountPath: /config
+          name: papconfig-processed
+        image: "{{ .Values.global.envsubstImage }}"
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        name: {{ include "common.name" . }}-update-config
       containers:
         - name: {{ include "common.name" . }}
           image: "{{ include "common.repository" . }}/{{ .Values.image }}"
@@ -58,7 +77,7 @@ spec:
             name: localtime
             readOnly: true
           - mountPath: /opt/app/policy/pap/etc/mounted
-            name: papconfig
+            name: papconfig-processed
           resources:
 {{ include "common.resources" . | indent 12 }}
         {{- if .Values.nodeSelector }}
@@ -77,5 +96,8 @@ spec:
           configMap:
             name: {{ include "common.fullname" . }}-configmap
             defaultMode: 0755
+        - name: papconfig-processed
+          emptyDir:
+            medium: Memory
       imagePullSecrets:
       - name: "{{ include "common.namespace" . }}-docker-registry-key"
diff --git a/kubernetes/policy/charts/pap/templates/secrets.yaml b/kubernetes/policy/charts/pap/templates/secrets.yaml
new file mode 100644
index 0000000000..bd7eb8ea40
--- /dev/null
+++ b/kubernetes/policy/charts/pap/templates/secrets.yaml
@@ -0,0 +1,15 @@
+# Copyright © 2020 Samsung Electronics
+#
+# 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" . }}
diff --git a/kubernetes/policy/charts/pap/values.yaml b/kubernetes/policy/charts/pap/values.yaml
index 05f43d66e0..7edb3ab871 100644
--- a/kubernetes/policy/charts/pap/values.yaml
+++ b/kubernetes/policy/charts/pap/values.yaml
@@ -22,6 +22,18 @@
 #################################################################
 global:
   persistence: {}
+  envsubstImage: dibi/envsubst
+
+#################################################################
+# 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.
@@ -36,6 +48,10 @@ debugEnabled: false
 
 # application configuration
 
+db:
+  user: policy_user
+  password: policy_user
+
 # default number of instances
 replicaCount: 1