From 627cbfddbbe1ba9af689a7d0d7e34ff6be09d75e Mon Sep 17 00:00:00 2001
From: Ildar Svetlov <isvetlov@mirantis.com>
Date: Mon, 5 Mar 2018 19:53:54 +0400
Subject: [PATCH] Enable Prometheus scraping metrics from Grafana metrics
 endpoint

Change-Id: Iefa86330cc9f23f7453a79979a8c34adab36a411
Related-Bug: PROD-18204
---
 grafana/meta/prometheus.yml  | 30 ++++++++++++++++++++++++++++++
 metadata/service/support.yml |  2 ++
 2 files changed, 32 insertions(+)
 create mode 100644 grafana/meta/prometheus.yml

diff --git a/grafana/meta/prometheus.yml b/grafana/meta/prometheus.yml
new file mode 100644
index 0000000..b9c9fc9
--- /dev/null
+++ b/grafana/meta/prometheus.yml
@@ -0,0 +1,30 @@
+{%- if pillar.grafana.client is defined %}
+{%- from "grafana/map.jinja" import client with context %}
+
+{%- if client.get('enabled') %}
+
+{%- set addresses = [] %}
+{%- if not client.server.host.startswith('127') and client.server.host != '0.0.0.0' %}
+{%- do addresses.append(client.server.host) %}
+{%- endif %}
+{%- for address in grains['fqdn_ip4'] %}
+{%- if not address.startswith('127') %}
+{%- do addresses.append(address) %}
+{%- endif %}
+{%- endfor %}
+server:
+  target:
+    static:
+      grafana:
+        enabled: true
+        endpoint:
+        - address: {{ addresses[0] }}
+          port: {{ client.server.port }}
+        metric_relabel:
+        - source_labels: "__name__"
+          regex: "http_.*"
+          action: drop
+
+{%- endif %}
+
+{%- endif %}
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 3bd2dd1..6437621 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -11,3 +11,5 @@ parameters:
         enabled: true
       grafana:
         enabled: true
+      prometheus:
+        enabled: true