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
|
#
#
#
# Copyright:: 2012-2017, Nordstrom, Inc.
# Copyright:: 2017, Chef Software, Inc.
#
# 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.
#
class Chef
class Resource
# @author Kevin Moser <kevin.moser@nordstrom.com>
# Configures the file that provides virtual memory for applications requiring
# more memory than available RAM or that are paged out to free up memory in use.
class WindowsPagefile < Chef::Resource
property :name, String, name_property: true
property :system_managed, [true, false]
property :automatic_managed, [true, false], default: false
property :initial_size, Integer
property :maximum_size, Integer
include Chef::Mixin::ShellOut
include Windows::Helper
action :set do
pagefile = new_resource.name
initial_size = new_resource.initial_size
maximum_size = new_resource.maximum_size
system_managed = new_resource.system_managed
automatic_managed = new_resource.automatic_managed
if automatic_managed
set_automatic_managed unless automatic_managed?
else
unset_automatic_managed if automatic_managed?
# Check that the resource is not just trying to unset automatic managed, if it is do nothing more
if (initial_size && maximum_size) || system_managed
validate_name
create(pagefile) unless exists?(pagefile)
if system_managed
set_system_managed(pagefile) unless max_and_min_set?(pagefile, 0, 0)
else
unless max_and_min_set?(pagefile, initial_size, maximum_size)
set_custom_size(pagefile, initial_size, maximum_size)
end
end
end
end
end
action :delete do
validate_name
pagefile = new_resource.name
delete(pagefile) if exists?(pagefile)
end
action_class do
def validate_name
return if /^.:.*.sys/ =~ new_resource.name
raise "#{new_resource.name} does not match the format DRIVE:\\path\\file.sys for pagefiles. Example: C:\\pagefile.sys"
end
def exists?(pagefile)
@exists ||= begin
Chef::Log.debug("Checking if #{pagefile} exists by runing: #{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" list /format:list")
cmd = shell_out("#{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" list /format:list", returns: [0])
cmd.stderr.empty? && (cmd.stdout =~ /SettingID=#{get_setting_id(pagefile)}/i)
end
end
def max_and_min_set?(pagefile, min, max)
@max_and_min_set ||= begin
Chef::Log.debug("Checking if #{pagefile} min: #{min} and max #{max} are set")
cmd = shell_out("#{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" list /format:list", returns: [0])
cmd.stderr.empty? && (cmd.stdout =~ /InitialSize=#{min}/i) && (cmd.stdout =~ /MaximumSize=#{max}/i)
end
end
def create(pagefile)
converge_by("create pagefile #{pagefile}") do
Chef::Log.debug("Running #{wmic} pagefileset create name=\"#{win_friendly_path(pagefile)}\"")
cmd = shell_out("#{wmic} pagefileset create name=\"#{win_friendly_path(pagefile)}\"")
check_for_errors(cmd.stderr)
end
end
def delete(pagefile)
converge_by("remove pagefile #{pagefile}") do
Chef::Log.debug("Running #{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" delete")
cmd = shell_out("#{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" delete")
check_for_errors(cmd.stderr)
end
end
def automatic_managed?
@automatic_managed ||= begin
Chef::Log.debug("Checking if pagefiles are automatically managed")
cmd = shell_out("#{wmic} computersystem where name=\"%computername%\" get AutomaticManagedPagefile /format:list")
cmd.stderr.empty? && (cmd.stdout =~ /AutomaticManagedPagefile=TRUE/i)
end
end
def set_automatic_managed
converge_by("set pagefile to Automatic Managed") do
Chef::Log.debug("Running #{wmic} computersystem where name=\"%computername%\" set AutomaticManagedPagefile=True")
cmd = shell_out("#{wmic} computersystem where name=\"%computername%\" set AutomaticManagedPagefile=True")
check_for_errors(cmd.stderr)
end
end
def unset_automatic_managed
converge_by("set pagefile to User Managed") do
Chef::Log.debug("Running #{wmic} computersystem where name=\"%computername%\" set AutomaticManagedPagefile=False")
cmd = shell_out("#{wmic} computersystem where name=\"%computername%\" set AutomaticManagedPagefile=False")
check_for_errors(cmd.stderr)
end
end
def set_custom_size(pagefile, min, max)
converge_by("set #{pagefile} to InitialSize=#{min} & MaximumSize=#{max}") do
Chef::Log.debug("Running #{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" set InitialSize=#{min},MaximumSize=#{max}")
cmd = shell_out("#{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" set InitialSize=#{min},MaximumSize=#{max}", returns: [0])
check_for_errors(cmd.stderr)
end
end
def set_system_managed(pagefile) # rubocop: disable Style/AccessorMethodName
converge_by("set #{pagefile} to System Managed") do
Chef::Log.debug("Running #{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" set InitialSize=0,MaximumSize=0")
cmd = shell_out("#{wmic} pagefileset where SettingID=\"#{get_setting_id(pagefile)}\" set InitialSize=0,MaximumSize=0", returns: [0])
check_for_errors(cmd.stderr)
end
end
def get_setting_id(pagefile)
pagefile = win_friendly_path(pagefile)
pagefile = pagefile.split('\\')
"#{pagefile[1]} @ #{pagefile[0]}"
end
def check_for_errors(stderr)
raise stderr.chomp unless stderr.empty?
end
def wmic
@wmic ||= locate_sysnative_cmd("wmic.exe")
end
end
end
end
end
|
