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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright 2009-2016, Bryan McLellan
# 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/init"
require "chef/mixin/command"
class Chef
class Provider
class Service
class Freebsd < Chef::Provider::Service::Init
attr_reader :enabled_state_found
provides :service, os: [ "freebsd", "netbsd" ]
include Chef::Mixin::ShellOut
def initialize(new_resource, run_context)
super
@enabled_state_found = false
@init_command = nil
if ::File.exist?("/etc/rc.d/#{new_resource.service_name}")
@init_command = "/etc/rc.d/#{new_resource.service_name}"
elsif ::File.exist?("/usr/local/etc/rc.d/#{new_resource.service_name}")
@init_command = "/usr/local/etc/rc.d/#{new_resource.service_name}"
end
end
def load_current_resource
@current_resource = Chef::Resource::Service.new(new_resource.name)
current_resource.service_name(new_resource.service_name)
return current_resource unless init_command
Chef::Log.debug("#{current_resource} found at #{init_command}")
@status_load_success = true
determine_current_status! # see Chef::Provider::Service::Simple
determine_enabled_status!
current_resource
end
def define_resource_requirements
shared_resource_requirements
requirements.assert(:start, :enable, :reload, :restart) do |a|
a.assertion { init_command }
a.failure_message Chef::Exceptions::Service, "#{new_resource}: unable to locate the rc.d script"
a.whyrun("Assuming rc.d script will be installed by a previous action.")
end
requirements.assert(:all_actions) do |a|
a.assertion { enabled_state_found }
# for consistentcy with original behavior, this will not fail in non-whyrun mode;
# rather it will silently set enabled state=>false
a.whyrun "Unable to determine enabled/disabled state, assuming this will be correct for an actual run. Assuming disabled."
end
requirements.assert(:start, :enable, :reload, :restart) do |a|
a.assertion { service_enable_variable_name != nil }
a.failure_message Chef::Exceptions::Service, "Could not find the service name in #{init_command} and rcvar"
# No recovery in whyrun mode - the init file is present but not correct.
end
end
def start_service
if new_resource.start_command
super
else
shell_out_with_systems_locale!("#{init_command} faststart")
end
end
def stop_service
if new_resource.stop_command
super
else
shell_out_with_systems_locale!("#{init_command} faststop")
end
end
def restart_service
if new_resource.restart_command
super
elsif supports[:restart]
shell_out_with_systems_locale!("#{init_command} fastrestart")
else
stop_service
sleep 1
start_service
end
end
def enable_service
set_service_enable("YES") unless current_resource.enabled
end
def disable_service
set_service_enable("NO") if current_resource.enabled
end
private
def read_rc_conf
::File.open("/etc/rc.conf", "r") { |file| file.readlines }
end
def write_rc_conf(lines)
::File.open("/etc/rc.conf", "w") do |file|
lines.each { |line| file.puts(line) }
end
end
# The variable name used in /etc/rc.conf for enabling this service
def service_enable_variable_name
@service_enable_variable_name ||=
begin
# Look for name="foo" in the shell script @init_command. Use this for determining the variable name in /etc/rc.conf
# corresponding to this service
# For example: to enable the service mysql-server with the init command /usr/local/etc/rc.d/mysql-server, you need
# to set mysql_enable="YES" in /etc/rc.conf$
if init_command
::File.open(init_command) do |rcscript|
rcscript.each_line do |line|
if line =~ /^name="?(\w+)"?/
return $1 + "_enable"
end
end
end
# some scripts support multiple instances through symlinks such as openvpn.
# We should get the service name from rcvar.
Chef::Log.debug("name=\"service\" not found at #{init_command}. falling back to rcvar")
shell_out!("#{init_command} rcvar").stdout[/(\w+_enable)=/, 1]
else
# for why-run mode when the rcd_script is not there yet
new_resource.service_name
end
end
end
def determine_enabled_status!
var_name = service_enable_variable_name
if ::File.exist?("/etc/rc.conf") && var_name
read_rc_conf.each do |line|
case line
when /^#{Regexp.escape(var_name)}="(\w+)"/
enabled_state_found!
if $1 =~ /^yes$/i
current_resource.enabled true
elsif $1 =~ /^(no|none)$/i
current_resource.enabled false
end
end
end
end
if current_resource.enabled.nil?
Chef::Log.debug("#{new_resource.name} enable/disable state unknown")
current_resource.enabled false
end
end
def set_service_enable(value)
lines = read_rc_conf
# Remove line that set the old value
lines.delete_if { |line| line =~ /^\#?\s*#{Regexp.escape(service_enable_variable_name)}=/ }
# And append the line that sets the new value at the end
lines << "#{service_enable_variable_name}=\"#{value}\""
write_rc_conf(lines)
end
def enabled_state_found!
@enabled_state_found = true
end
end
end
end
end
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