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
|
#!/usr/bin/env python
import time
import json
from tests.unit import unittest
from boto.cloudformation.connection import CloudFormationConnection
BASIC_EC2_TEMPLATE = {
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "AWS CloudFormation Sample Template EC2InstanceSample",
"Parameters": {
"Parameter1": {
"Description": "Test Parameter 1",
"Type": "String"
},
"Parameter2": {
"Description": "Test Parameter 2",
"Type": "String"
}
},
"Mappings": {
"RegionMap": {
"us-east-1": {
"AMI": "ami-7f418316"
}
}
},
"Resources": {
"Ec2Instance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"ImageId": {
"Fn::FindInMap": [
"RegionMap",
{
"Ref": "AWS::Region"
},
"AMI"
]
},
"UserData": {
"Fn::Base64": {
"Fn::Join":[
"",
[{"Ref": "Parameter1"},
{"Ref": "Parameter2"}]
]
}
}
}
}
},
"Outputs": {
"InstanceId": {
"Description": "InstanceId of the newly created EC2 instance",
"Value": {
"Ref": "Ec2Instance"
}
},
"AZ": {
"Description": "Availability Zone of the newly created EC2 instance",
"Value": {
"Fn::GetAtt": [
"Ec2Instance",
"AvailabilityZone"
]
}
},
"PublicIP": {
"Description": "Public IP address of the newly created EC2 instance",
"Value": {
"Fn::GetAtt": [
"Ec2Instance",
"PublicIp"
]
}
},
"PrivateIP": {
"Description": "Private IP address of the newly created EC2 instance",
"Value": {
"Fn::GetAtt": [
"Ec2Instance",
"PrivateIp"
]
}
},
"PublicDNS": {
"Description": "Public DNSName of the newly created EC2 instance",
"Value": {
"Fn::GetAtt": [
"Ec2Instance",
"PublicDnsName"
]
}
},
"PrivateDNS": {
"Description": "Private DNSName of the newly created EC2 instance",
"Value": {
"Fn::GetAtt": [
"Ec2Instance",
"PrivateDnsName"
]
}
}
}
}
class TestCloudformationConnection(unittest.TestCase):
def setUp(self):
self.connection = CloudFormationConnection()
self.stack_name = 'testcfnstack' + str(int(time.time()))
def test_large_template_stack_size(self):
# See https://github.com/boto/boto/issues/1037
body = self.connection.create_stack(
self.stack_name,
template_body=json.dumps(BASIC_EC2_TEMPLATE),
parameters=[('Parameter1', 'initial_value'),
('Parameter2', 'initial_value')])
self.addCleanup(self.connection.delete_stack, self.stack_name)
# A newly created stack should have events
events = self.connection.describe_stack_events(self.stack_name)
self.assertTrue(events)
# No policy should be set on the stack by default
policy = self.connection.get_stack_policy(self.stack_name)
self.assertEqual(None, policy)
# Our new stack should show up in the stack list
stacks = self.connection.describe_stacks(self.stack_name)
stack = stacks[0]
self.assertEqual(self.stack_name, stack.stack_name)
params = [(p.key, p.value) for p in stack.parameters]
self.assertEquals([('Parameter1', 'initial_value'),
('Parameter2', 'initial_value')], params)
for _ in range(30):
stack.update()
if stack.stack_status.find("PROGRESS") == -1:
break
time.sleep(5)
body = self.connection.update_stack(
self.stack_name,
template_body=json.dumps(BASIC_EC2_TEMPLATE),
parameters=[('Parameter1', '', True),
('Parameter2', 'updated_value')])
stacks = self.connection.describe_stacks(self.stack_name)
stack = stacks[0]
params = [(p.key, p.value) for p in stacks[0].parameters]
self.assertEquals([('Parameter1', 'initial_value'),
('Parameter2', 'updated_value')], params)
# Waiting for the update to complete to unblock the delete_stack in the
# cleanup.
for _ in range(30):
stack.update()
if stack.stack_status.find("PROGRESS") == -1:
break
time.sleep(5)
if __name__ == '__main__':
unittest.main()
|
