5140ad4cb6
This is an alternative provider for Chef's "service" platform resource. It allows us to make an existing service resource Pacemaker-aware by adding a single line to the service block.
80 lines
2.5 KiB
Ruby
80 lines
2.5 KiB
Ruby
require ::File.expand_path('../../../pacemaker/cib_object',
|
|
File.dirname(__FILE__))
|
|
|
|
# Common code used by Pacemaker LWRP providers
|
|
|
|
class Chef
|
|
module Mixin::Pacemaker
|
|
module StandardCIBObject
|
|
def standard_create_action
|
|
name = new_resource.name
|
|
|
|
if @current_resource_definition.nil?
|
|
create_resource(name)
|
|
else
|
|
maybe_modify_resource(name)
|
|
end
|
|
end
|
|
|
|
# Instantiate @current_resource and read details about the existing
|
|
# primitive (if any) via "crm configure show" into it, so that we
|
|
# can compare it against the resource requested by the recipe, and
|
|
# create / delete / modify as necessary.
|
|
#
|
|
# http://docs.opscode.com/lwrp_custom_provider_ruby.html#load-current-resource
|
|
def standard_load_current_resource
|
|
name = @new_resource.name
|
|
|
|
cib_object = ::Pacemaker::CIBObject.from_name(name)
|
|
unless cib_object
|
|
::Chef::Log.debug "CIB object definition nil or empty"
|
|
return
|
|
end
|
|
|
|
unless cib_object.is_a? cib_object_class
|
|
expected_type = cib_object_class.description
|
|
::Chef::Log.warn "CIB object '#{name}' was a #{cib_object.type} not a #{expected_type}"
|
|
return
|
|
end
|
|
|
|
::Chef::Log.debug "CIB object definition #{cib_object.definition}"
|
|
@current_resource_definition = cib_object.definition
|
|
cib_object.parse_definition
|
|
|
|
@current_cib_object = cib_object
|
|
init_current_resource
|
|
end
|
|
|
|
def standard_create_resource
|
|
cib_object = cib_object_class.from_chef_resource(new_resource)
|
|
cmd = cib_object.configure_command
|
|
|
|
::Chef::Log.info "Creating new #{cib_object}"
|
|
|
|
execute cmd do
|
|
action :nothing
|
|
end.run_action(:run)
|
|
|
|
created_cib_object = ::Pacemaker::CIBObject.from_name(new_resource.name)
|
|
|
|
raise "Failed to create #{cib_object}" if created_cib_object.nil?
|
|
unless created_cib_object.exists?
|
|
# This case seems pretty unlikely
|
|
raise "Definition missing for #{created_cib_object} after creation"
|
|
end
|
|
|
|
new_resource.updated_by_last_action(true)
|
|
::Chef::Log.info "Successfully configured #{created_cib_object}"
|
|
end
|
|
|
|
def standard_delete_resource
|
|
execute @current_cib_object.delete_command do
|
|
action :nothing
|
|
end.run_action(:run)
|
|
new_resource.updated_by_last_action(true)
|
|
Chef::Log.info "Deleted #{@current_cib_object}'."
|
|
end
|
|
end
|
|
end
|
|
end
|