From 57f657ddc06324416cef912dc691fffde6753206 Mon Sep 17 00:00:00 2001
From: Peter Wu
Date: Sun, 10 Aug 2014 11:41:20 +0200
Subject: Support customized RRD URLs

Use case: I would like to bypass PHP for serving the RRD files and allow
the webserver (nginx) to compress it to reduce load on the Raspberry Pi.
I could go through all kinds of URL rewriting, but it is much easier to
set `$CONFIG['rrd_url'] = 'rrd/{file}';` instead and add a corresponding
location + alias directive to the nginx configuration.

This depends on https://github.com/manuelluis/jsrrdgraph/pull/17 to
avoid breaking on '='.
---
 conf/config.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'conf')

diff --git a/conf/config.php b/conf/config.php
index 66b5d0e..157012a 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -65,6 +65,11 @@ $CONFIG['graph_smooth'] = false;
 # draw min/max spikes in a lighter color in graphs with type default
 $CONFIG['graph_minmax'] = false;
 
+# The URL that provides RRD files for the "canvas" graph type. Examples:
+# 'rrd/{file}' is replaced by 'rrd/example.com/load/load.rrd'
+# 'rrd.php?path={file_escaped}' becomes 'rrd.php?path=host%3Fload%3Fload.rrd'
+$CONFIG['rrd_url'] = 'rrd.php?path={file_escaped}';
+
 # browser cache time for the graphs (in seconds)
 $CONFIG['cache'] = 90;
 
-- 
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