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# frozen_string_literal: true
#
# Copyright:: Copyright (c) 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_relative "../internal"
require_relative "train_helpers"
module ChefUtils
module DSL
# NOTE: these are mixed into the service resource+providers specifically and deliberately not
# injected into the global namespace
module Service
include Internal
include TrainHelpers
include Introspection
# Returns if debian's old rc.d manager is installed (not necessarily the primary init system).
#
# @since 15.5
#
# @return [Boolean]
#
def debianrcd?
file_exist?("/usr/sbin/update-rc.d")
end
# Returns if debian's old invoke rc.d manager is installed (not necessarily the primary init system).
#
# @since 15.5
#
# @return [Boolean]
#
def invokercd?
file_exist?("/usr/sbin/invoke-rc.d")
end
# Returns if upstart is installed (not necessarily the primary init system).
#
# @since 15.5
#
# @return [Boolean]
#
def upstart?
file_exist?("/sbin/initctl")
end
# Returns if insserv is installed (not necessarily the primary init system).
#
# @since 15.5
#
# @return [Boolean]
#
def insserv?
file_exist?("/sbin/insserv")
end
# Returns if redhat's init system is installed (not necessarily the primary init system).
#
# @since 15.5
#
# @return [Boolean]
#
def redhatrcd?
file_exist?("/sbin/chkconfig")
end
#
# Returns if a particular service exists for a particular service init system. Init systems may be :initd, :upstart, :etc_rcd, :xinetd, and :systemd. Example: service_script_exist?(:systemd, 'ntpd')
#
# @param [Symbol] type The type of init system. :initd, :upstart, :xinetd, :etc_rcd, or :systemd
# @param [String] script The name of the service
# @since 15.5
#
# @return [Boolean]
#
def service_script_exist?(type, script)
case type
when :initd
file_exist?("/etc/init.d/#{script}")
when :upstart
file_exist?("/etc/init/#{script}.conf")
when :xinetd
file_exist?("/etc/xinetd.d/#{script}")
when :etc_rcd
file_exist?("/etc/rc.d/#{script}")
when :systemd
file_exist?("/etc/init.d/#{script}") ||
has_systemd_service_unit?(script) ||
has_systemd_unit?(script)
else
raise ArgumentError, "type of service must be one of :initd, :upstart, :xinetd, :etc_rcd, or :systemd"
end
end
extend self
end
end
end
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