Merge pull request #50 from Logan2211/stats-backend

Add stats capability to backend template

README.md

@@ -201,6 +201,15 @@ Set up (the latest version of) [HAProxy](http://www.haproxy.org/) in Ubuntu syst
 * `haproxy_backend.{n}.http_response.{n}.action`: [required]: The rules action (e.g. `del-header`)
 * `haproxy_backend.{n}.http_response.{n}.param`: [optional]: The complete line to be added (e.g. `X-Varnish`)
 * `haproxy_backend.{n}.http_response.{n}.cond`: [optional]: A matching condition built from ACLs
+* `haproxy_backend.{n}.stats`: [optional]: Stats declarations
+* `haproxy_backend.{n}.stats.enable`: [required]: Enables statistics reporting with default settings
+* `haproxy_backend.{n}.stats.uri`: [optional, default `/`]: Define the URI prefix to access statistics
+* `haproxy_backend.{n}.stats.options`: [optional]: List of boolean stats options (e.g. `hide-version`, `show-node`, `show-desc`, `show-legends`)
+* `haproxy_backend.{n}.stats.refresh`: [optional]: Defined the refresh delay, specified in seconds (e.g. `5s`)
+* `haproxy_backend.{n}.stats.admin`: [optional]: Define / enable admin part of web interface with conditional attached
+* `haproxy_backend.{n}.stats.auth`: [optional]: Auth declarations
+* `haproxy_backend.{n}.stats.auth.{n}.user`: [required]: A user name to grant access to
+* `haproxy_backend.{n}.stats.auth.{n}.passwd`: [required]: The cleartext password associated to this user
 * `haproxy_backend.{n}.compression`: [optional]: Compression declarations
 * `haproxy_backend.{n}.compression.{n}.name`: [required]: The compression name (e.g. `algo`, `type`, `offload`)
 * `haproxy_backend.{n}.compression.{n}.value`: [required]: The compression value, (e.g. if name = algo : one of this values `identity`, `gzip`, `deflate`, `raw-deflate` / if name = type : list of mime type separated by space for example `text/html text/plain text/css` / if name = `offload` value is empty)

templates/etc/haproxy/backend.cfg.j2

@@ -45,6 +45,26 @@ backend {{ backend.name }}
   timeout {{ timeout.type }} {{ timeout.timeout }}
 {% endfor %}
 
+{% if backend.stats is defined %}
+{% if backend.stats.enable is defined and backend.stats.enable | bool == true %}
+  stats enable
+  stats uri {{ backend.stats.uri | default('/') }}
+{% if backend.stats.refresh is defined %}
+  stats refresh {{ backend.stats.refresh }}
+{% endif %}
+{% if backend.stats.admin is defined %}
+  stats admin {{ backend.stats.admin }}
+{% endif %}
+{% for option in backend.stats.options | default([]) %}
+  stats {{ option }}
+{% endfor %}
+{% for auth in backend.stats.auth | default([]) %}
+  stats auth {{ auth.user }}:{{ auth.passwd }}
+
+{% endfor %}
+{% endif %}
+{% endif %}
+
 {% for http_request in backend.http_request | default([]) %}
   http-request {{ http_request.action }}{% if http_request.param is defined %} {{ http_request.param }}{% endif %}{% if http_request.cond is defined %} {{ http_request.cond }}{% endif %}