fix(logger): utf-8 encoding

Author: Issam Hakimi aka Killix

rootfs/opt/fluentd/deis-output/fluent-plugin-deis_output.gemspec

@@ -26,8 +26,10 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency "fluent-mixin-rewrite-tag-name"
   gem.add_runtime_dependency "influxdb", '~> 0.3'
   gem.add_runtime_dependency "nsq-ruby"
+  gem.add_runtime_dependency 'yajl-ruby'
 
   gem.add_development_dependency "bundler", "~> 1.3"
   gem.add_development_dependency "rake", "~> 10.0"
   gem.add_development_dependency "test-unit", "~> 3.1.7"
+
 end

rootfs/opt/fluentd/deis-output/lib/fluent/mixin/deis.rb

@@ -1,6 +1,7 @@
 require 'json'
 require 'nsq'
 require 'influxdb'
+require 'yajl/json_gem'
 
 module Fluent
   module Mixin
@@ -44,7 +45,7 @@ def deis_deployed_app?(message)
       def push(producer, value)
         begin
           if value.kind_of? Hash
-            producer.write(value.to_json)
+            producer.write(JSON.dump(value))
           else
             producer.write(value)
           end