Class: Buildhosts::Manginx

Inherits:
Object
  • Object
show all
Defined in:
lib/buildhosts/Manginx.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Manginx 



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# File 'lib/buildhosts/Manginx.rb', line 6

def initialize config
    # Set up teh parser and parse with it
    @conf = Buildhosts::ConfigParser.parse config
end

Instance Method Details

#configuring(what) ⇒ Object

Helper methods to print common messages



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# File 'lib/buildhosts/Manginx.rb', line 12

def configuring what
    puts "Configuring: #{what}..."
end

#done(next_step = '') ⇒ Object 



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# File 'lib/buildhosts/Manginx.rb', line 15

def done next_step=''
    puts "Done! #{next_step}"
end

#run ⇒ Object 



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# File 'lib/buildhosts/Manginx.rb', line 19

def run
    # If you don't have any IP addresses in your config, what are you doing here?
    if @conf['ips'].nil? || @conf['ips'].empty?
        puts 'What\'s the point?'
        exit
    end
    system('mkdir -p /usr/local/etc/nginx/xip')
    # Let's find out what nginx is expecting from us...
    expected = Array.new
    n = File.open('/usr/local/etc/nginx/nginx.conf', 'r')
    n.each_line do |line|
        # So basically, if the line goes "include xip/derp.local;", we want to
        # set up a file with that name with the appropriate server_name directives.
        match = line.match(/include\s+xip\/([\w\.]+);/) 
        if !match.nil? # We don't want to try to convert nil to an array...
           expected << match.to_a[1..-1][0]
        end
    end

    # This is where the files will be stored.
    base_path = '/usr/local/etc/nginx/xip'
    `rm -f #{base_path}/*`

    # Le bread and buttere
    expected.each do |file|
        configuring file
        out = File.open("#{base_path}/#{file}", 'w+')
        @conf['ips'].each do |ip|
            # Simple. Just put a line in there for each IP in our config file.
            out.write "server_name #{file}.#{ip}.xip.io;\n"
        end
        out.close
    end

    # Now we just reload nginx and apologize if something goes rotten.
    done 'Reloading nginx...'
    if system('sudo nginx -s reload')
        done
    else
        puts "Oops!\nSomething went wrong... Sorry."
    end
end