define Sl services for DevopsPortal

configure proxy, endpoints

related bug: https://mirantis.jira.com/browse/PROD-15068
Change-Id: I2296430522a1edfe1ad0717ef8f72f297acb89e8
diff --git a/devops_portal/service/stacklight-prometheus.yml b/devops_portal/service/stacklight-prometheus.yml
new file mode 100644
index 0000000..119c13f
--- /dev/null
+++ b/devops_portal/service/stacklight-prometheus.yml
@@ -0,0 +1,15 @@
+parameters:
+  _param:
+    grafana_prometheus_ssl:
+      enabled: false
+  devops_portal:
+    config:
+      service:
+        stacklight-prometheus:
+          configure_proxy: false
+          enabled: true
+          endpoint:
+            address: ${_param:grafana_prometheus_address}
+            custom_path: alerts
+            port: ${_param:stacklight_prometheus_port}
+            https: ${_param:grafana_prometheus_ssl:enabled}