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#
# Author:: Scott Bonds (<scott@ggr.com>)
# Copyright:: Copyright 2014-2016, Scott Bonds
# 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/mixin/shell_out"
require "chef/provider/service/init"
require "chef/resource/service"
class Chef
class Provider
class Service
class Openbsd < Chef::Provider::Service::Init
provides :service, os: "openbsd"
include Chef::Mixin::ShellOut
attr_reader :init_command, :rc_conf, :rc_conf_local, :enabled_state_found
RC_CONF_PATH = "/etc/rc.conf"
RC_CONF_LOCAL_PATH = "/etc/rc.conf.local"
def initialize(new_resource, run_context)
super
@rc_conf = ::File.read(RC_CONF_PATH) rescue ""
@rc_conf_local = ::File.read(RC_CONF_LOCAL_PATH) rescue ""
@init_command = ::File.exist?(rcd_script_path) ? rcd_script_path : nil
new_resource.status_command("#{default_init_command} check")
end
def load_current_resource
supports[:status] = true if supports[:status].nil?
@current_resource = Chef::Resource::Service.new(new_resource.name)
current_resource.service_name(new_resource.service_name)
logger.trace("#{current_resource} found at #{init_command}")
determine_current_status!
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"
end
requirements.assert(:all_actions) do |a|
a.assertion { enabled_state_found }
# for consistency 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 { init_command && !builtin_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 enable_service
if !is_enabled?
if is_builtin?
if is_enabled_by_default?
update_rcl rc_conf_local.sub(/^#{Regexp.escape(builtin_service_enable_variable_name)}=.*/, "")
else
# add line with blank string, which means enable
update_rcl rc_conf_local + "\n" + "#{builtin_service_enable_variable_name}=\"\"\n"
end
else
# add to pkg_scripts, most recent addition goes last
old_services_list = rc_conf_local.match(/^pkg_scripts="(.*)"/)
old_services_list = old_services_list ? old_services_list[1].split(" ") : []
new_services_list = old_services_list + [new_resource.service_name]
if rc_conf_local =~ /^pkg_scripts="(.*)"/
new_rcl = rc_conf_local.sub(/^pkg_scripts="(.*)"/, "pkg_scripts=\"#{new_services_list.join(' ')}\"")
else
new_rcl = rc_conf_local + "\n" + "pkg_scripts=\"#{new_services_list.join(' ')}\"\n"
end
update_rcl new_rcl
end
end
end
def disable_service
if is_enabled?
if is_builtin?
if is_enabled_by_default?
# add line to disable
update_rcl rc_conf_local + "\n" + "#{builtin_service_enable_variable_name}=\"NO\"\n"
else
# remove line to disable
update_rcl rc_conf_local.sub(/^#{Regexp.escape(builtin_service_enable_variable_name)}=.*/, "")
end
else
# remove from pkg_scripts
old_list = rc_conf_local.match(/^pkg_scripts="(.*)"/)
old_list = old_list ? old_list[1].split(" ") : []
new_list = old_list - [new_resource.service_name]
update_rcl rc_conf_local.sub(/^pkg_scripts="(.*)"/, pkg_scripts = "#{new_list.join(' ')}")
end
end
end
private
def rcd_script_found?
!init_command.nil?
end
def rcd_script_path
"/etc/rc.d/#{new_resource.service_name}"
end
def update_rcl(value)
FileUtils.touch RC_CONF_LOCAL_PATH if !::File.exists? RC_CONF_LOCAL_PATH
::File.write(RC_CONF_LOCAL_PATH, value)
@rc_conf_local = value
end
# The variable name used in /etc/rc.conf.local for enabling this service
def builtin_service_enable_variable_name
@bsevn ||= begin
result = nil
if rcd_script_found?
::File.open(init_command) do |rcscript|
if m = rcscript.read.match(/^# \$OpenBSD: (\w+)[(.rc),]?/)
result = m[1] + "_flags"
end
end
end
# Fallback allows us to keep running in whyrun mode when
# the script does not exist.
result || new_resource.service_name
end
end
def is_builtin?
result = false
var_name = builtin_service_enable_variable_name
if var_name
if rc_conf =~ /^#{Regexp.escape(var_name)}=(.*)/
result = true
end
end
result
end
def is_enabled_by_default?
result = false
var_name = builtin_service_enable_variable_name
if var_name
if m = rc_conf.match(/^#{Regexp.escape(var_name)}=(.*)/)
if !(m[1] =~ /"?[Nn][Oo]"?/)
result = true
end
end
end
result
end
def determine_enabled_status!
result = false # Default to disabled if the service doesn't currently exist at all
@enabled_state_found = false
if is_builtin?
var_name = builtin_service_enable_variable_name
if var_name
if m = rc_conf_local.match(/^#{Regexp.escape(var_name)}=(.*)/)
@enabled_state_found = true
if !(m[1] =~ /"?[Nn][Oo]"?/) # e.g. looking for httpd_flags=NO
result = true
end
end
end
if !@enabled_state_found
result = is_enabled_by_default?
end
else
var_name = @new_resource.service_name
if var_name
if m = rc_conf_local.match(/^pkg_scripts="(.*)"/)
@enabled_state_found = true
if m[1].include?(var_name) # e.g. looking for 'gdm' in pkg_scripts="gdm unbound"
result = true
end
end
end
end
current_resource.enabled result
end
alias :is_enabled? :determine_enabled_status!
end
end
end
end
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