Putting if else in nginx Vhost configuration with Puppet Nginx jfryman module

Question

I want to automate the nginx vhost configuration for a website which have some if conditional statements. I was trying to do it with the jfryman-nginx puppet forge module but I am not able to configure the file. The configuration I want is given below:

 server {
  listen   8080;

  server_name abcqwe.com;

  root /data/vvv/abcqwe.com;
  index index.php index.html index.htm;

  access_log /data/vvv/abcqwe.com/logs/access.log;
  error_log  /data/vvv/abcqwe.com/logs/error.log;

  location / {
    # First attempt to serve request as file, then
    # as directory, then fall back to index.html
    #try_files $uri $uri/ /index.html;

    if (!-f $request_filename){
      set $rule_0 1$rule_0;
    }

    try_files $uri $uri/ /index.html;
  }

So how do i put this if condition inside my vhost configuration:

 if (!-f $request_filename){
       set $rule_4 1$rule_4;
     }

Is it possible to do it though? I have tried with location_cfg_prepend but that didn't help..

Solution

I had the same problem with v0.0.9 of jfryman-nginx.

In the latest source templates on github, it looks like the ; is not supposed to be added if you use location_custom_cfg_{pre,ap}pend.

But in v0.0.9, the latest bundled puppet forge release, the template adds the ; after even if the line only has a } causing nginx to fail.

Solutions:

1. Use the location_**custom**_cfg_{pre,ap}pend options

2. Either A or B:

   A. Edit out the ; in the templates

   B. Pull the latest version of the source from github:

sudo rm -rf /etc/puppet/modules/nginx && cd /etc/puppet/modules && sudo git clone https://github.com/jfryman/puppet-nginx nginx

Example

  nginx::resource::location { 'sub.dom.com_root':
    ensure                                                                       => present,
    vhost                                                                        => 'sub.dom.com',
    location                                                                     => '~ \.php$',
    fastcgi                                                                      => 'unix:/var/run/php5-fpm.sock',                                                                                                                                                              
    www_root                                                                     => '/var/www/sub.dom.com',
    location_custom_cfg_append                                                   => {
      'if (-f $request_filename)'                                                => '{ break; }',
      'if (-d $request_filename)'                                              => '{ break; }',
      'if ($request_filename !~ (js|css|jpg|png|gif|robots\.txt|index\.php.*) )' => '{ rewrite ^/(.*) /index.php?$1 last; }',
    },
  }