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
|
#
# Author:: Joe Williams (<joe@joetify.com>)
# Copyright:: Copyright (c) 2009 Joe Williams
# 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 'spec_helper'
require 'ostruct'
describe Chef::Provider::Mdadm do
before(:each) do
@node = Chef::Node.new
@events = Chef::EventDispatch::Dispatcher.new
@run_context = Chef::RunContext.new(@node, {}, @events)
@new_resource = Chef::Resource::Mdadm.new('/dev/md1')
@new_resource.devices ["/dev/sdz1","/dev/sdz2"]
@new_resource.level 1
@new_resource.chunk 256
@provider = Chef::Provider::Mdadm.new(@new_resource, @run_context)
end
describe "when determining the current metadevice status" do
it "should set the current resources mount point to the new resources mount point" do
@provider.stub!(:shell_out!).and_return(OpenStruct.new(:status => 0))
@provider.load_current_resource
@provider.current_resource.name.should == '/dev/md1'
@provider.current_resource.raid_device.should == '/dev/md1'
end
it "determines that the metadevice exists when mdadm exit code is zero" do
@provider.stub!(:shell_out!).with("mdadm --detail --test /dev/md1", :returns => [0,4]).and_return(OpenStruct.new(:status => 0))
@provider.load_current_resource
@provider.current_resource.exists.should be_true
end
it "determines that the metadevice does not exist when mdadm exit code is 4" do
@provider.stub!(:shell_out!).with("mdadm --detail --test /dev/md1", :returns => [0,4]).and_return(OpenStruct.new(:status => 4))
@provider.load_current_resource
@provider.current_resource.exists.should be_false
end
end
describe "after the metadevice status is known" do
before(:each) do
@current_resource = Chef::Resource::Mdadm.new('/dev/md1')
@current_resource.devices ["/dev/sdz1","/dev/sdz2"]
@current_resource.level 1
@current_resource.chunk 256
@provider.stub!(:load_current_resource).and_return(true)
@provider.current_resource = @current_resource
end
describe "when creating the metadevice" do
it "should create the raid device if it doesnt exist" do
@current_resource.exists(false)
expected_command = "yes | mdadm --create /dev/md1 --chunk=256 --level 1 --metadata=0.90 --raid-devices 2 /dev/sdz1 /dev/sdz2"
@provider.should_receive(:shell_out!).with(expected_command)
@provider.run_action(:create)
end
it "should specify a bitmap only if set" do
@current_resource.exists(false)
@new_resource.bitmap('grow')
expected_command = "yes | mdadm --create /dev/md1 --chunk=256 --level 1 --metadata=0.90 --bitmap=grow --raid-devices 2 /dev/sdz1 /dev/sdz2"
@provider.should_receive(:shell_out!).with(expected_command)
@provider.run_action(:create)
@new_resource.should be_updated_by_last_action
end
it "should not create the raid device if it does exist" do
@current_resource.exists(true)
@provider.should_not_receive(:shell_out!)
@provider.run_action(:create)
@new_resource.should_not be_updated_by_last_action
end
end
describe "when asembling the metadevice" do
it "should assemble the raid device if it doesnt exist" do
@current_resource.exists(false)
expected_mdadm_cmd = "yes | mdadm --assemble /dev/md1 /dev/sdz1 /dev/sdz2"
@provider.should_receive(:shell_out!).with(expected_mdadm_cmd)
@provider.run_action(:assemble)
@new_resource.should be_updated_by_last_action
end
it "should not assemble the raid device if it doesnt exist" do
@current_resource.exists(true)
@provider.should_not_receive(:shell_out!)
@provider.run_action(:assemble)
@new_resource.should_not be_updated_by_last_action
end
end
describe "when stopping the metadevice" do
it "should stop the raid device if it exists" do
@current_resource.exists(true)
expected_mdadm_cmd = "yes | mdadm --stop /dev/md1"
@provider.should_receive(:shell_out!).with(expected_mdadm_cmd)
@provider.run_action(:stop)
@new_resource.should be_updated_by_last_action
end
it "should not attempt to stop the raid device if it does not exist" do
@current_resource.exists(false)
@provider.should_not_receive(:shell_out!)
@provider.run_action(:stop)
@new_resource.should_not be_updated_by_last_action
end
end
end
end
|
