From 8f0181616ebde5dfd8af24421be21ff3730d7bee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Mon, 14 Dec 2015 14:01:19 +0100
Subject: [PATCH] Allow to sepcify more db servers
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Fixes #7

Signed-off-by: Michal Čihař <michal@cihar.com>
---
 README.md      |  1 +
 config.inc.php | 48 +++++++++++++++++++++++++++++-------------------
 2 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/README.md b/README.md
index 55353ec..d338cc4 100644
--- a/README.md
+++ b/README.md
@@ -50,4 +50,5 @@ docker-compose up -d
 * ``PMA_ARBITRARY`` - when set to 1 connection to the arbitrary server will be allowed
 * ``PMA_HOST`` - define address/host name of the MySQL server
 * ``PMA_PORT`` - define port of the MySQL server
+* ``PMA_HOSTS`` - define comma separated list of address/host names of the MySQL servers
 * ``PMA_USER`` and ``PMA_PASSWORD`` - define username to use for config authentication method
diff --git a/config.inc.php b/config.inc.php
index 9e580e0..d5760eb 100644
--- a/config.inc.php
+++ b/config.inc.php
@@ -7,26 +7,36 @@ if (isset($_ENV['PMA_ARBITRARY']) && $_ENV['PMA_ARBITRARY'] === '1') {
     $cfg['AllowArbitraryServer'] = true;
 }
 
-/* First server */
-$i = 0;
-$i++;
-if (isset($_ENV['PMA_HOST'])) {
-    $cfg['Servers'][$i]['host'] = $_ENV['PMA_HOST'];
-} else {
-    $cfg['Servers'][$i]['host'] = 'db';
+/* Figure out hosts */
+
+/* Fallback to default linked */
+$hosts = array('db');
+
+/* Set by environment */
+if (!empty($_ENV['PMA_HOST'])) {
+    $hosts = array($_ENV['PMA_HOST']);
+} elseif (!empty($_ENV['PMA_HOSTS'])) {
+    $hosts = explode(',', $_ENV['PMA_HOSTS']);
 }
-if (isset($_ENV['PMA_PORT'])) {
-    $cfg['Servers'][$i]['port'] = $_ENV['PMA_PORT'];
+
+/* Server settings */
+for ($i = 1; isset($hosts[$i - 1]); $i++) {
+    $cfg['Servers'][$i]['host'] = $hosts[$i - 1];
+    if (isset($_ENV['PMA_PORT'])) {
+        $cfg['Servers'][$i]['port'] = $_ENV['PMA_PORT'];
+    }
+    if (isset($_ENV['PMA_USER']) && isset($_ENV['PMA_PASSWORD'])) {
+        $cfg['Servers'][$i]['auth_type'] = 'config';
+        $cfg['Servers'][$i]['user'] = $_ENV['PMA_USER'];
+        $cfg['Servers'][$i]['password'] = $_ENV['PMA_PASSWORD'];
+    } else {
+        $cfg['Servers'][$i]['auth_type'] = 'cookie';
+    }
+    $cfg['Servers'][$i]['connect_type'] = 'tcp';
+    $cfg['Servers'][$i]['compress'] = false;
+    $cfg['Servers'][$i]['AllowNoPassword'] = true;
 }
-if (isset($_ENV['PMA_USER']) && isset($_ENV['PMA_PASSWORD'])) {
-    $cfg['Servers'][$i]['auth_type'] = 'config';
-    $cfg['Servers'][$i]['user'] = $_ENV['PMA_USER'];
-    $cfg['Servers'][$i]['password'] = $_ENV['PMA_PASSWORD'];
-} else {
-    $cfg['Servers'][$i]['auth_type'] = 'cookie';
-}
-$cfg['Servers'][$i]['connect_type'] = 'tcp';
-$cfg['Servers'][$i]['compress'] = false;
-$cfg['Servers'][$i]['AllowNoPassword'] = true;
+
+/* Uploads setup */
 $cfg['UploadDir'] = '';
 $cfg['SaveDir'] = '';