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#
# 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
attr_accessor :run_id
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,
:run_id => run_id}
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
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