Making config/config.json customizable through config.rb

README.markdown

@@ -23,4 +23,5 @@ Dash class, and hence, all Sinatra configuration.
 
 ``` ruby
 set :port, 6000 # HTTP server on port 6000
+config[:ws_config] = 'custom/config.json' # Specify custom workspace config
 ```

example/config.rb

@@ -1,11 +1,17 @@
 # Serve HTTP traffic on this port
-set :port, 5000
+set  :port, 4567
+
+riemann_base = '.'
+riemann_src = "${riemann_base}/lib/riemann/dash"
 
 # Add custom controllers in controller/
-config[:controllers] << 'controller'
+config[:controllers] = ["#{riemann_src}/controller"]
 
 # Use the local view directory instead of the default
-config[:views] = 'views'
+config[:views] = "#{riemann_src}/views"
+
+# Specify a custom path to your workspace config.json
+config[:ws_config] = "#{riemann_base}/config/config.json"
 
 # Serve static files from this directory
-public_dir 'public'
+config[:public] = "#{riemann_src}/public"

lib/riemann/dash.rb

@@ -13,7 +13,9 @@ class Dash < Sinatra::Base
     def self.config
       @config ||= {
         :controllers => [File.join(File.dirname(__FILE__), 'dash', 'controller')],
-        :views => File.join(File.dirname(__FILE__), 'dash', 'views')
+        :views => File.join(File.dirname(__FILE__), 'dash', 'views'),
+        :ws_config => File.join(File.dirname(__FILE__), '..', '..', 'config', 'config.json'),
+        :public => File.join(File.dirname(__FILE__), 'dash', 'public')
       }
     end
 
@@ -23,11 +25,14 @@ def self.load(filename)
         puts "No configuration loaded; using defaults."
       end
 
+      # load controllers
       config[:controllers].each { |d| load_controllers d }
+
+      # views
       set :views, File.expand_path(config[:views])
 
-      # Fallback pub dir
-      public_dir(File.join(File.dirname(__FILE__), 'dash', 'public'))
+      # setup public dir
+      public_dir(config[:public])
     end
 
     # Executes the configuration file.
@@ -96,4 +101,5 @@ def self.public_dir(dir)
       use Riemann::Dash::Static, :root => dir
     end
   end
+
 end

lib/riemann/dash/controller/index.rb

@@ -3,7 +3,7 @@ class Riemann::Dash
   require 'fileutils'
   require 'set'
 
-  WS_CONFIG_FILE = "config/config.json"
+  WS_CONFIG_FILE = @config[:ws_config] 
 
   get '/' do
     erb :index, :layout => false