make max ephemeral size configurable

bin/noah

@@ -6,4 +6,5 @@ require 'vegas'
 
 Vegas::Runner.new(Noah::App, 'noah') do |runner, opts, app|
   opts.on("-r", "--redis URL", "redis url to connect to (default: redis://localhost:6379/0)") {|r| ENV["REDIS_URL"] = r; Noah::App.set :redis_url, r }
+  opts.on("--esize SIZE", Integer, "Max allowed ephemeral size in bytes") {|esize| Noah::App.set :ephemeral_size, esize }
 end

lib/noah/app.rb

@@ -16,6 +16,7 @@ module Noah
       set :show_exceptions, false
       set :run, false
       set :redis_url, ENV['REDIS_URL'] || 'redis://localhost:6379/0'
+      set :ephemeral_size, ENV['NOAH_ESIZE'] || 512
     end
 
     configure(:development) do
@@ -48,7 +49,12 @@ module Noah
 
       haml :index, :format => :html5, :locals => {:redis_version => Ohm.redis.info["redis_version"].to_s, :noah_version => Noah::VERSION}
     end
-  
+
+    get '/', :provides => :json  do
+      content_type "application/json"
+      erb :'index.json', :locals => {:redis_version => Ohm.redis.info["redis_version"].to_s, :noah_version => Noah::VERSION}
+    end
+
     get '/version' do
       content_type "application/json"
       {:redis_version => Ohm.redis.info["redis_version"].to_s, :noah_version => Noah::VERSION}.to_json

lib/noah/routes/ephemerals.rb

@@ -19,7 +19,7 @@ class Noah::App
   end
 
   put '/ephemerals/*' do
-    raise("Data too large") if request.body.size > 512
+    raise("Data too large") if request.body.size > settings.ephemeral_size
     d = request.body.read  || nil
     opts = {:path => "/#{params[:splat][0]}", :data => d}
     e = Noah::Ephemeral.find_or_create(opts)