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|
module Fog
module Parsers
module AWS
module CloudFormation
class DescribeChangeSet < Fog::Parsers::Base
def reset
@response = fresh_change_set
reset_parameter
reset_change
reset_resource_change
reset_resource_change_detail
reset_resource_target_definition
end
def reset_parameter
@parameter = {}
end
def reset_change
@change = {}
end
def reset_resource_change
@resource_change = {'Details' => [], 'Scope' => [] }
end
def reset_resource_change_detail
@resource_change_detail = {}
end
def reset_resource_target_definition
@resource_target_definition = {}
end
def fresh_change_set
{'Capabilities' => [], 'Changes' => [], 'NotificationARNs' => [], 'Parameters' => [], 'Tags' => []}
end
def start_element(name, attrs=[])
super
case name
when 'Capabilities'
@in_capabilities = true
when 'Changes'
@in_changes = true
when 'ResourceChange'
@in_resource_change = true
when 'Scope'
@in_scope = true
when 'Details'
@in_details = true
when 'Target'
@in_target = true
when 'NotificationARNs'
@in_notification_arns = true
when 'Parameters'
@in_parameters = true
when 'Tags'
@in_tags = true
end
end
def end_element(name)
case name
when 'ChangeSetId', 'ChangeSetName', 'Description', 'ExecutionStatus', 'StackId', 'StackName', 'StatusReason', 'Status'
@response[name] = value
when 'CreationTime'
@response[name] = Time.parse(value)
when 'member'
if @in_capabilities
@response['Capabilities'] << value
elsif @in_scope
@resource_change['Scope'] << value
elsif @in_notification_arns
@response['NotificationARNs'] << value
elsif @in_parameters
@response['Parameters'] << @parameter
reset_parameter
elsif @in_tags
@response['Tags'] << @tag
reset_tag
elsif @in_details
@resource_change['Details'] << @resource_change_detail
reset_resource_change_detail
elsif @in_changes
@response['Changes'] << @change
reset_change
end
when 'ParameterValue', 'ParameterKey'
@parameter[name] = value if @in_parameters
when 'Parameters'
@in_parameters = false
when 'Value', 'Key'
@tag[name] = value if @in_tags
when 'Tags'
@in_tags = false
when 'Capabilities'
@in_capabilities = false
when 'Scope'
@in_scope = false
when 'NotificationARNs'
@in_notification_arns = false
when 'Type'
@change[name] = value if @in_changes
when 'Changes'
@in_changes = false
when 'ResourceChange'
if @in_resource_change
@change[name] = @resource_change
@in_resource_change = false
end
when 'Action','LogicalResourceId','PhysicalResourceId','Replacement','ResourceType'
@resource_change[name] = value if @in_resource_change
when 'Details'
@in_details = false
when 'CausingEntity','ChangeSource','Evaluation'
if @in_details
@resource_change_detail[name] = value
end
when 'Attribute','Name','RequiresRecreation'
if @in_target
@resource_target_definition[name] = value
end
when 'Target'
if @in_target
@resource_change_detail[name] = @resource_target_definition
@in_target = false
end
end
end
end
end
end
end
end
|
