Help with Observium + nginx (rewrite rules)?

rubik · March 2014

Hey All-

I've set up Observium on a VPS and it works great, except for some (most) URLs not working due to using nginx (which isn't officially supported by Observium, per warning in their install guides, etc.)

I really don't want to bother with Apache and I know there are folks here who have it up and working with nginx so I was wondering if anyone would be kind enough to post your nginx/vhost config file portion with your rewrite rules.

The /opt/observium/html/.htaccess file looks like this:

#  DO NOT CHANGE THIS FILE
#  If you need to change this file, you are doing something wrong.

Options FollowSymlinks Multiviews

RewriteEngine on
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !\.(js|ico|txt|gif|jpg|png|css|php)
RewriteCond %{REQUEST_URI} !=/server-status
RewriteRule ^(.*)$ index.php/$1/

AcceptPathInfo On

I've tried this in my nginx config file (at the end of the 'try_files' line) but I must be missing something:

location / {
  try_files $uri $uri/ /index.php/$request_uri;
}

Thanks much for any help in advance!

forthcloud · March 2014

if (!-f $request_filename){
    set $rule_0 1$rule_0;
}
if (!-d $request_filename){
    set $rule_0 2$rule_0;
}
if ($uri !~ ".(js|ico|txt|gif|jpg|png|css|php)"){
    set $rule_0 3$rule_0;
}
if ($uri !~ "=/server-status"){
    set $rule_0 4$rule_0;
}
if ($rule_0 = "4321"){
    rewrite ^/(.*)$ /index.php/$1/;
}

You can use http://www.anilcetin.com/ to convert.

manacit · March 2014

I'd highly recommend NOT using that many if statements: http://wiki.nginx.org/IfIsEvil

Try taking a look @ this: http://pastebin.com/X1hBh2K0

nunim · March 2014

I've seen different answers as to the proper settings but this works for me:

 #rewrite for obserivum
        location / {
        try_files $uri $uri/ @observium;
        }
        location @observium {
        rewrite ^(.+)$ /index.php/$1 last;
        }

        location ~ \.php {
                        fastcgi_param QUERY_STRING $query_string;
                        fastcgi_param REQUEST_METHOD $request_method;
                        fastcgi_param CONTENT_TYPE $content_type;
                        fastcgi_param CONTENT_LENGTH $content_length;

                        fastcgi_param SCRIPT_NAME $fastcgi_script_name;
                        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                        fastcgi_param REQUEST_URI $request_uri;
                        fastcgi_param DOCUMENT_URI $document_uri;
                        fastcgi_param DOCUMENT_ROOT $document_root;
                        fastcgi_param SERVER_PROTOCOL $server_protocol;

                        fastcgi_param GATEWAY_INTERFACE CGI/1.1;
                        fastcgi_param SERVER_SOFTWARE nginx;

                        fastcgi_param REMOTE_ADDR $remote_addr;
                        fastcgi_param REMOTE_PORT $remote_port;
                        fastcgi_param SERVER_ADDR $server_addr;
                        fastcgi_param SERVER_PORT $server_port;
                        fastcgi_param SERVER_NAME $server_name;

                        fastcgi_pass unix:/path/to/php.socket;
                }

Works great on a 128 SSD RamNode, it's monitoring over 20 devices. I've written most of an Observium + nginx install script but I haven't had the time to properly test it.

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