1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
#
# Author:: Mathieu Sauve-Frankel <msf@kisoku.net>
# Copyright:: Copyright 2009-2016, Mathieu Sauve-Frankel
# 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/provider/service"
require "chef/resource/service"
require "chef/mixin/command"
class Chef
class Provider
class Service
class Simple < Chef::Provider::Service
# this must be subclassed to be useful so does not directly implement :service
attr_reader :status_load_success
def load_current_resource
@current_resource = Chef::Resource::Service.new(@new_resource.name)
@current_resource.service_name(@new_resource.service_name)
@status_load_success = true
@ps_command_failed = false
determine_current_status!
@current_resource
end
def whyrun_supported?
true
end
def shared_resource_requirements
super
requirements.assert(:all_actions) do |a|
a.assertion { @status_load_success }
a.whyrun ["Service status not available. Assuming a prior action would have installed the service.", "Assuming status of not running."]
end
end
def define_resource_requirements
# FIXME? need reload from service.rb
shared_resource_requirements
requirements.assert(:start) do |a|
a.assertion { @new_resource.start_command }
a.failure_message Chef::Exceptions::Service, "#{self} requires that start_command be set"
end
requirements.assert(:stop) do |a|
a.assertion { @new_resource.stop_command }
a.failure_message Chef::Exceptions::Service, "#{self} requires that stop_command be set"
end
requirements.assert(:restart) do |a|
a.assertion { @new_resource.restart_command || ( @new_resource.start_command && @new_resource.stop_command ) }
a.failure_message Chef::Exceptions::Service, "#{self} requires a restart_command or both start_command and stop_command be set in order to perform a restart"
end
requirements.assert(:reload) do |a|
a.assertion { @new_resource.reload_command }
a.failure_message Chef::Exceptions::UnsupportedAction, "#{self} requires a reload_command be set in order to perform a reload"
end
requirements.assert(:all_actions) do |a|
a.assertion do
@new_resource.status_command || supports[:status] ||
(!ps_cmd.nil? && !ps_cmd.empty?) end
a.failure_message Chef::Exceptions::Service, "#{@new_resource} could not determine how to inspect the process table, please set this node's 'command.ps' attribute"
end
requirements.assert(:all_actions) do |a|
a.assertion { !@ps_command_failed }
a.failure_message Chef::Exceptions::Service, "Command #{ps_cmd} failed to execute, cannot determine service current status"
end
end
def start_service
shell_out_with_systems_locale!(@new_resource.start_command)
end
def stop_service
shell_out_with_systems_locale!(@new_resource.stop_command)
end
def restart_service
if @new_resource.restart_command
shell_out_with_systems_locale!(@new_resource.restart_command)
else
stop_service
sleep 1
start_service
end
end
def reload_service
shell_out_with_systems_locale!(@new_resource.reload_command)
end
protected
def determine_current_status!
if @new_resource.status_command
Chef::Log.debug("#{@new_resource} you have specified a status command, running..")
begin
if shell_out(@new_resource.status_command).exitstatus == 0
@current_resource.running true
Chef::Log.debug("#{@new_resource} is running")
end
rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError
# ShellOut sometimes throws different types of Exceptions than ShellCommandFailed.
# Temporarily catching different types of exceptions here until we get Shellout fixed.
# TODO: Remove the line before one we get the ShellOut fix.
@status_load_success = false
@current_resource.running false
nil
end
elsif supports[:status]
Chef::Log.debug("#{@new_resource} supports status, running")
begin
if shell_out("#{default_init_command} status").exitstatus == 0
@current_resource.running true
Chef::Log.debug("#{@new_resource} is running")
end
# ShellOut sometimes throws different types of Exceptions than ShellCommandFailed.
# Temporarily catching different types of exceptions here until we get Shellout fixed.
# TODO: Remove the line before one we get the ShellOut fix.
rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError
@status_load_success = false
@current_resource.running false
nil
end
else
Chef::Log.debug "#{@new_resource} falling back to process table inspection"
r = Regexp.new(@new_resource.pattern)
Chef::Log.debug "#{@new_resource} attempting to match '#{@new_resource.pattern}' (#{r.inspect}) against process list"
begin
shell_out!(ps_cmd).stdout.each_line do |line|
if r.match(line)
@current_resource.running true
break
end
end
@current_resource.running false unless @current_resource.running
Chef::Log.debug "#{@new_resource} running: #{@current_resource.running}"
# ShellOut sometimes throws different types of Exceptions than ShellCommandFailed.
# Temporarily catching different types of exceptions here until we get Shellout fixed.
# TODO: Remove the line before one we get the ShellOut fix.
rescue Mixlib::ShellOut::ShellCommandFailed, SystemCallError
@ps_command_failed = true
end
end
end
def ps_cmd
@run_context.node[:command] && @run_context.node[:command][:ps]
end
end
end
end
end
|
