[POLICY] Remove hardcoded credentials from policy-xacml-pdp

This patch remove hardcoded healthcheck credentials from policy-xacml-pdp

Issue-ID: OOM-2342
Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
Change-Id: I49db16a852412bad79f092232bcd2ba97eac7170
diff --git a/kubernetes/policy/charts/policy-xacml-pdp/values.yaml b/kubernetes/policy/charts/policy-xacml-pdp/values.yaml
index a2c0aa0..63f50fd 100644
--- a/kubernetes/policy/charts/policy-xacml-pdp/values.yaml
+++ b/kubernetes/policy/charts/policy-xacml-pdp/values.yaml
@@ -21,6 +21,7 @@
 #################################################################
 global:
   persistence: {}
+  envsubstImage: dibi/envsubst
 
 #################################################################
 # Secrets metaconfig
@@ -32,6 +33,18 @@
     login: '{{ .Values.db.user }}'
     password: '{{ .Values.db.password }}'
     passwordPolicy: required
+  - uid: restserver-creds
+    type: basicAuth
+    externalSecret: '{{ tpl (default "" .Values.restServer.credsExternalSecret) . }}'
+    login: '{{ .Values.restServer.user }}'
+    password: '{{ .Values.restServer.password }}'
+    passwordPolicy: required
+  - uid: api-creds
+    type: basicAuth
+    externalSecret: '{{ tpl (default "" .Values.apiServer.credsExternalSecret) . }}'
+    login: '{{ .Values.apiServer.user }}'
+    password: '{{ .Values.apiServer.password }}'
+    passwordPolicy: required
 
 #################################################################
 # Application configuration defaults.
@@ -49,6 +62,12 @@
 db:
   user: policy_user
   password: policy_user
+restServer:
+  user: healthcheck
+  password: zb!XztG34
+apiServer:
+  user: healthcheck
+  password: zb!XztG34
 
 # default number of instances
 replicaCount: 1