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#
# Author:: Stephen Haynes (<sh@nomitor.com>)
# Copyright:: Copyright 2011-2016, Chef Software 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.
#
require "chef/resource/service"
require "chef/provider/service/simple"
require "chef/mixin/which"
class Chef::Provider::Service::Systemd < Chef::Provider::Service::Simple
include Chef::Mixin::Which
provides :service, os: "linux" do |node|
Chef::Platform::ServiceHelpers.service_resource_providers.include?(:systemd)
end
attr_accessor :status_check_success
def self.supports?(resource, action)
Chef::Platform::ServiceHelpers.config_for_service(resource.service_name).include?(:systemd)
end
def load_current_resource
@current_resource = Chef::Resource::Service.new(new_resource.name)
current_resource.service_name(new_resource.service_name)
@status_check_success = true
if new_resource.status_command
Chef::Log.debug("#{new_resource} you have specified a status command, running..")
unless shell_out(new_resource.status_command).error?
current_resource.running(true)
else
@status_check_success = false
current_resource.running(false)
current_resource.enabled(false)
end
else
current_resource.running(is_active?)
end
current_resource.enabled(is_enabled?)
current_resource
end
def define_resource_requirements
shared_resource_requirements
requirements.assert(:all_actions) do |a|
a.assertion { status_check_success }
# We won't stop in any case, but in whyrun warn and tell what we're doing.
a.whyrun ["Failed to determine status of #{new_resource}, using command #{new_resource.status_command}.",
"Assuming service would have been installed and is disabled"]
end
end
def start_service
if current_resource.running
Chef::Log.debug("#{new_resource} already running, not starting")
else
if new_resource.start_command
super
else
shell_out_with_systems_locale!("#{systemctl_path} start #{new_resource.service_name}")
end
end
end
def stop_service
unless current_resource.running
Chef::Log.debug("#{new_resource} not running, not stopping")
else
if new_resource.stop_command
super
else
shell_out_with_systems_locale!("#{systemctl_path} stop #{new_resource.service_name}")
end
end
end
def restart_service
if new_resource.restart_command
super
else
shell_out_with_systems_locale!("#{systemctl_path} restart #{new_resource.service_name}")
end
end
def reload_service
if new_resource.reload_command
super
else
if current_resource.running
shell_out_with_systems_locale!("#{systemctl_path} reload #{new_resource.service_name}")
else
start_service
end
end
end
def enable_service
shell_out!("#{systemctl_path} enable #{new_resource.service_name}")
end
def disable_service
shell_out!("#{systemctl_path} disable #{new_resource.service_name}")
end
def is_active?
shell_out("#{systemctl_path} is-active #{new_resource.service_name} --quiet").exitstatus == 0
end
def is_enabled?
shell_out("#{systemctl_path} is-enabled #{new_resource.service_name} --quiet").exitstatus == 0
end
private
def systemctl_path
if @systemctl_path.nil?
@systemctl_path = which("systemctl")
end
@systemctl_path
end
end
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