add Chef::Log::Syslog class

See:

* https://www.kickflop.net/blog/2013/06/27/syslog-output-for-chef-runs/
* http://lists.opscode.com/sympa/arc/chef/2014-12/msg00152.html
* https://github.com/higanworks-cookbooks/chef-client_syslog

It is relatively embarrassing to have a system administration tool that
doesn't support syslog out of the box.

2 files changed, 19 insertions, 0 deletions

diff --git a/chef.gemspec b/chef.gemspec
index ec600f1f89..7cf6380062 100644
--- a/chef.gemspec
+++ b/chef.gemspec
@@ -41,6 +41,8 @@ Gem::Specification.new do |s|
   s.add_dependency "serverspec", "~> 2.7"
   s.add_dependency "specinfra", "~> 2.10"
 
+  s.add_dependency "syslog-logger", "~> 1.6"
+
   s.add_development_dependency "rack"
 
   # Rake 10.2 drops Ruby 1.8 support
diff --git a/lib/chef/log.rb b/lib/chef/log.rb
index 682afcea4b..fc90aba595 100644
--- a/lib/chef/log.rb
+++ b/lib/chef/log.rb
@@ -21,9 +21,26 @@ require 'logger'
 require 'chef/monologger'
 require 'chef/exceptions'
 require 'mixlib/log'
+require 'syslog-logger'
 
 class Chef
   class Log
+    #
+    # Chef::Log::Syslog class.
+    # usage in client.rb:
+    #  log_location Chef::Log::Syslog.new("::Syslog::LOG_DAEMON", "chef-client")
+    #
+    class Syslog < Logger::Syslog
+      attr_accessor :sync, :formatter
+
+      def write(message)
+        self << message
+      end
+
+      def close
+      end
+    end
+
     extend Mixlib::Log
 
     # Force initialization of the primary log device (@logger)