From 3dde7049ce848be6cbc9deb3542dd7a88491122e Mon Sep 17 00:00:00 2001
From: Jonathan Rosser <jonathan.rosser@bbc.co.uk>
Date: Tue, 5 Jun 2018 12:46:03 +0000
Subject: [PATCH] Optionally collect uwsgi stats from unix domain sockets

Change-Id: I78561fe3cf3c90c7aa25f39c74c30702c1da5d52
---
 elk_metrics_6x/installMetricbeat.yml       | 8 ++++++++
 elk_metrics_6x/templates/metricbeat.yml.j2 | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/elk_metrics_6x/installMetricbeat.yml b/elk_metrics_6x/installMetricbeat.yml
index defc8454..38579752 100644
--- a/elk_metrics_6x/installMetricbeat.yml
+++ b/elk_metrics_6x/installMetricbeat.yml
@@ -77,6 +77,13 @@
         path: /etc/uwsgi
       register: uwsgi
 
+    - name: Check for uwsgi stats sockets
+      find:
+        paths: /tmp
+        file_type: any
+        patterns: '*uwsgi-stats.sock'
+      register: uwsgi_find_sockets
+
     - name: Set discovery facts
       set_fact:
         apache_enabled: "{{ (apache2.stat.exists | bool) or (httpd.stat.exists | bool) }}"
@@ -88,6 +95,7 @@
         nginx_enabled: "{{ nginx.stat.exists | bool }}"
         rabbitmq_enabled: "{{ rabbitmq.stat.exists | bool }}"
         uwsgi_enabled: "{{ uwsgi.stat.exists | bool }}"
+        uwsgi_sockets: "{{ uwsgi_find_sockets }}"
 
     # Apache 2 stats enablement
     - name: Drop apache2 stats site config
diff --git a/elk_metrics_6x/templates/metricbeat.yml.j2 b/elk_metrics_6x/templates/metricbeat.yml.j2
index 6257d4b0..2055fe16 100644
--- a/elk_metrics_6x/templates/metricbeat.yml.j2
+++ b/elk_metrics_6x/templates/metricbeat.yml.j2
@@ -465,7 +465,11 @@ metricbeat.modules:
 - module: uwsgi
   metricsets: ["status"]
   period: 30s
+{%   if uwsgi_sockets.matched | int > 0 %}
+  hosts: [{% for file in uwsgi_sockets.files %}"unix://{{ file.path }}"{% if not loop.last %},{% endif %}{% endfor %}]
+{%   else %}
   hosts: ["tcp://127.0.0.1:9191"]
+{%   endif %}
 #
 {% endif %}
 ##------------------------------- vSphere Module ------------------------------