[OC-3564] move core Chef to the repo root \o/ \m/

The opscode/chef repository now only contains the core Chef library code
used by chef-client, knife and chef-solo!

1 files changed, 124 insertions, 0 deletions

diff --git a/lib/chef/run_status.rb b/lib/chef/run_status.rb
new file mode 100644
index 0000000000..9354f7872a
--- /dev/null
+++ b/lib/chef/run_status.rb
@@ -0,0 +1,124 @@
+#
+# Author:: Daniel DeLeo (<dan@opscode.com>)
+# Copyright:: Copyright (c) 2010 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# == Chef::RunStatus
+# Tracks various aspects of a Chef run, including the Node and RunContext,
+# start and end time, and any Exception that stops the run. RunStatus objects
+# are passed to any notification or exception handlers at the completion of a
+# Chef run.
+class Chef::RunStatus
+
+  attr_reader :events
+
+  attr_reader :run_context
+
+  attr_writer :run_context
+
+  attr_reader :start_time
+
+  attr_reader :end_time
+
+  attr_reader :exception
+
+  attr_writer :exception
+
+  def initialize(node, events)
+    @node = node
+    @events = events
+  end
+
+  def node
+    @node
+  end
+
+  # sets +start_time+ to the current time.
+  def start_clock
+    @start_time = Time.now
+  end
+
+  # sets +end_time+ to the current time
+  def stop_clock
+    @end_time = Time.now
+  end
+
+  # The elapsed time between +start_time+ and +end_time+. Returns +nil+ if
+  # either value is not set.
+  def elapsed_time
+    if @start_time && @end_time
+      @end_time - @start_time
+    else
+      nil
+    end
+  end
+
+  # The list of all resources in the current run context's +resource_collection+
+  def all_resources
+    @run_context && @run_context.resource_collection.all_resources
+  end
+
+  # The list of all resources in the current run context's +resource_collection+
+  # that are marked as updated
+  def updated_resources
+    @run_context && @run_context.resource_collection.select { |r| r.updated }
+  end
+
+  # The backtrace from +exception+, if any
+  def backtrace
+    @exception && @exception.backtrace
+  end
+
+  # Did the Chef run fail?
+  def failed?
+    !success?
+  end
+
+  # Did the chef run succeed? returns +true+ if no exception has been set.
+  def success?
+    @exception.nil?
+  end
+
+  # A Hash representation of the RunStatus, with the following (Symbol) keys:
+  # * :node
+  # * :success
+  # * :start_time
+  # * :end_time
+  # * :elapsed_time
+  # * :all_resources
+  # * :updated_resources
+  # * :exception
+  # * :backtrace
+  def to_hash
+    # use a flat hash here so we can't errors from intermediate values being nil
+    { :node => node,
+      :success => success?,
+      :start_time => start_time,
+      :end_time => end_time,
+      :elapsed_time => elapsed_time,
+      :all_resources => all_resources,
+      :updated_resources => updated_resources,
+      :exception => formatted_exception,
+      :backtrace => backtrace}
+  end
+
+  # Returns a string of the format "ExceptionClass: message" or +nil+ if no
+  # +exception+ is set.
+  def formatted_exception
+    @exception && "#{@exception.class.name}: #{@exception.message}"
+  end
+
+end