6f4cb512ac
Limitations: * does not update the tags of the resources in the stack. that can be implemented later. * does not support the supposed feature of clearing tags by passing an empty value that boto3 mentions in its documentation. I could not find anything in the request body to indicate when an empty value was passed.
568 lines
17 KiB
Python
568 lines
17 KiB
Python
from __future__ import unicode_literals
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import json
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import boto
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import boto.s3
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import boto.s3.key
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import boto.cloudformation
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from boto.exception import BotoServerError
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import sure # noqa
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# Ensure 'assert_raises' context manager support for Python 2.6
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import tests.backport_assert_raises # noqa
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from nose.tools import assert_raises
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from moto import mock_cloudformation_deprecated, mock_s3_deprecated, mock_route53_deprecated
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from moto.cloudformation import cloudformation_backends
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dummy_template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 1",
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"Resources": {},
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}
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dummy_template2 = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 2",
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"Resources": {},
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}
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# template with resource which has no delete attribute defined
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dummy_template3 = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 3",
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"Resources": {
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"VPC": {
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"Properties": {
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"CidrBlock": "192.168.0.0/16",
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},
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"Type": "AWS::EC2::VPC"
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}
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},
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}
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dummy_template_json = json.dumps(dummy_template)
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dummy_template_json2 = json.dumps(dummy_template2)
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dummy_template_json3 = json.dumps(dummy_template3)
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@mock_cloudformation_deprecated
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def test_create_stack():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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stack = conn.describe_stacks()[0]
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stack.stack_name.should.equal('test_stack')
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stack.get_template().should.equal({
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'GetTemplateResponse': {
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'GetTemplateResult': {
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'TemplateBody': dummy_template_json,
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'ResponseMetadata': {
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'RequestId': '2d06e36c-ac1d-11e0-a958-f9382b6eb86bEXAMPLE'
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}
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}
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}
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})
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@mock_cloudformation_deprecated
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@mock_route53_deprecated
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def test_create_stack_hosted_zone_by_id():
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conn = boto.connect_cloudformation()
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dummy_template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 1",
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"Parameters": {
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},
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"Resources": {
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"Bar": {
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"Type" : "AWS::Route53::HostedZone",
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"Properties" : {
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"Name" : "foo.bar.baz",
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}
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},
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},
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}
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dummy_template2 = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 2",
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"Parameters": {
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"ZoneId": { "Type": "String" }
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},
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"Resources": {
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"Foo": {
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"Properties": {
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"HostedZoneId": {"Ref": "ZoneId"},
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"RecordSets": []
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},
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"Type": "AWS::Route53::RecordSetGroup"
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}
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},
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}
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conn.create_stack(
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"test_stack",
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template_body=json.dumps(dummy_template),
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parameters={}.items()
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)
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r53_conn = boto.connect_route53()
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zone_id = r53_conn.get_zones()[0].id
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conn.create_stack(
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"test_stack",
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template_body=json.dumps(dummy_template2),
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parameters={"ZoneId": zone_id}.items()
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)
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stack = conn.describe_stacks()[0]
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assert stack.list_resources()
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@mock_cloudformation_deprecated
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def test_creating_stacks_across_regions():
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west1_conn = boto.cloudformation.connect_to_region("us-west-1")
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west1_conn.create_stack("test_stack", template_body=dummy_template_json)
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west2_conn = boto.cloudformation.connect_to_region("us-west-2")
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west2_conn.create_stack("test_stack", template_body=dummy_template_json)
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list(west1_conn.describe_stacks()).should.have.length_of(1)
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list(west2_conn.describe_stacks()).should.have.length_of(1)
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@mock_cloudformation_deprecated
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def test_create_stack_with_notification_arn():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack_with_notifications",
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template_body=dummy_template_json,
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notification_arns='arn:aws:sns:us-east-1:123456789012:fake-queue'
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)
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stack = conn.describe_stacks()[0]
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[n.value for n in stack.notification_arns].should.contain(
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'arn:aws:sns:us-east-1:123456789012:fake-queue')
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@mock_cloudformation_deprecated
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@mock_s3_deprecated
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def test_create_stack_from_s3_url():
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s3_conn = boto.s3.connect_to_region('us-west-1')
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bucket = s3_conn.create_bucket("foobar")
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key = boto.s3.key.Key(bucket)
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key.key = "template-key"
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key.set_contents_from_string(dummy_template_json)
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key_url = key.generate_url(expires_in=0, query_auth=False)
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conn = boto.cloudformation.connect_to_region('us-west-1')
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conn.create_stack('new-stack', template_url=key_url)
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stack = conn.describe_stacks()[0]
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stack.stack_name.should.equal('new-stack')
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stack.get_template().should.equal(
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{
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'GetTemplateResponse': {
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'GetTemplateResult': {
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'TemplateBody': dummy_template_json,
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'ResponseMetadata': {
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'RequestId': '2d06e36c-ac1d-11e0-a958-f9382b6eb86bEXAMPLE'
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}
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}
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}
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})
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@mock_cloudformation_deprecated
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def test_describe_stack_by_name():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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stack = conn.describe_stacks("test_stack")[0]
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stack.stack_name.should.equal('test_stack')
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@mock_cloudformation_deprecated
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def test_describe_stack_by_stack_id():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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stack = conn.describe_stacks("test_stack")[0]
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stack_by_id = conn.describe_stacks(stack.stack_id)[0]
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stack_by_id.stack_id.should.equal(stack.stack_id)
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stack_by_id.stack_name.should.equal("test_stack")
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@mock_cloudformation_deprecated
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def test_describe_deleted_stack():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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stack = conn.describe_stacks("test_stack")[0]
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stack_id = stack.stack_id
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conn.delete_stack(stack.stack_id)
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stack_by_id = conn.describe_stacks(stack_id)[0]
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stack_by_id.stack_id.should.equal(stack.stack_id)
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stack_by_id.stack_name.should.equal("test_stack")
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stack_by_id.stack_status.should.equal("DELETE_COMPLETE")
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@mock_cloudformation_deprecated
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def test_get_template_by_name():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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template = conn.get_template("test_stack")
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template.should.equal({
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'GetTemplateResponse': {
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'GetTemplateResult': {
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'TemplateBody': dummy_template_json,
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'ResponseMetadata': {
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'RequestId': '2d06e36c-ac1d-11e0-a958-f9382b6eb86bEXAMPLE'
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}
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}
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}
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})
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@mock_cloudformation_deprecated
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def test_list_stacks():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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conn.create_stack(
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"test_stack2",
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template_body=dummy_template_json,
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)
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stacks = conn.list_stacks()
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stacks.should.have.length_of(2)
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stacks[0].template_description.should.equal("Stack 1")
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@mock_cloudformation_deprecated
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def test_delete_stack_by_name():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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conn.list_stacks().should.have.length_of(1)
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conn.delete_stack("test_stack")
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conn.list_stacks().should.have.length_of(0)
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@mock_cloudformation_deprecated
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def test_delete_stack_by_id():
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conn = boto.connect_cloudformation()
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stack_id = conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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conn.list_stacks().should.have.length_of(1)
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conn.delete_stack(stack_id)
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conn.list_stacks().should.have.length_of(0)
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with assert_raises(BotoServerError):
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conn.describe_stacks("test_stack")
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conn.describe_stacks(stack_id).should.have.length_of(1)
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@mock_cloudformation_deprecated
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def test_delete_stack_with_resource_missing_delete_attr():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json3,
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)
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conn.list_stacks().should.have.length_of(1)
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conn.delete_stack("test_stack")
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conn.list_stacks().should.have.length_of(0)
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@mock_cloudformation_deprecated
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def test_bad_describe_stack():
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conn = boto.connect_cloudformation()
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with assert_raises(BotoServerError):
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conn.describe_stacks("bad_stack")
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@mock_cloudformation_deprecated()
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def test_cloudformation_params():
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dummy_template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 1",
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"Resources": {},
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"Parameters": {
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"APPNAME": {
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"Default": "app-name",
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"Description": "The name of the app",
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"Type": "String"
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}
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}
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}
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dummy_template_json = json.dumps(dummy_template)
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cfn = boto.connect_cloudformation()
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cfn.create_stack('test_stack1', template_body=dummy_template_json, parameters=[
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('APPNAME', 'testing123')])
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stack = cfn.describe_stacks('test_stack1')[0]
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stack.parameters.should.have.length_of(1)
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param = stack.parameters[0]
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param.key.should.equal('APPNAME')
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param.value.should.equal('testing123')
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@mock_cloudformation_deprecated
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def test_cloudformation_params_conditions_and_resources_are_distinct():
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dummy_template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack 1",
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"Conditions": {
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"FooEnabled": {
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"Fn::Equals": [
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{
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"Ref": "FooEnabled"
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},
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"true"
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]
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},
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"FooDisabled": {
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"Fn::Not": [
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{
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"Fn::Equals": [
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{
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"Ref": "FooEnabled"
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},
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"true"
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]
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}
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]
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}
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},
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"Parameters": {
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"FooEnabled": {
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"Type": "String",
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"AllowedValues": [
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"true",
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"false"
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]
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}
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},
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"Resources": {
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"Bar": {
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"Properties": {
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"CidrBlock": "192.168.0.0/16",
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},
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"Condition": "FooDisabled",
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"Type": "AWS::EC2::VPC"
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}
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}
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}
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dummy_template_json = json.dumps(dummy_template)
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cfn = boto.connect_cloudformation()
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cfn.create_stack('test_stack1', template_body=dummy_template_json, parameters=[('FooEnabled', 'true')])
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stack = cfn.describe_stacks('test_stack1')[0]
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resources = stack.list_resources()
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assert not [resource for resource in resources if resource.logical_resource_id == 'Bar']
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@mock_cloudformation_deprecated
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def test_stack_tags():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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tags={"foo": "bar", "baz": "bleh"},
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)
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stack = conn.describe_stacks()[0]
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dict(stack.tags).should.equal({"foo": "bar", "baz": "bleh"})
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@mock_cloudformation_deprecated
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def test_update_stack():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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conn.update_stack("test_stack", dummy_template_json2)
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stack = conn.describe_stacks()[0]
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stack.stack_status.should.equal("UPDATE_COMPLETE")
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stack.get_template().should.equal({
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'GetTemplateResponse': {
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'GetTemplateResult': {
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'TemplateBody': dummy_template_json2,
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'ResponseMetadata': {
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'RequestId': '2d06e36c-ac1d-11e0-a958-f9382b6eb86bEXAMPLE'
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}
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}
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}
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})
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@mock_cloudformation_deprecated
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def test_update_stack_with_previous_template():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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)
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conn.update_stack("test_stack", use_previous_template=True)
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stack = conn.describe_stacks()[0]
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stack.stack_status.should.equal("UPDATE_COMPLETE")
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stack.get_template().should.equal({
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'GetTemplateResponse': {
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'GetTemplateResult': {
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'TemplateBody': dummy_template_json,
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'ResponseMetadata': {
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'RequestId': '2d06e36c-ac1d-11e0-a958-f9382b6eb86bEXAMPLE'
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}
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}
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}
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})
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@mock_cloudformation_deprecated
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def test_update_stack_with_parameters():
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dummy_template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "Stack",
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"Resources": {
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"VPC": {
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"Properties": {
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"CidrBlock": {"Ref": "Bar"}
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},
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"Type": "AWS::EC2::VPC"
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}
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},
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"Parameters": {
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"Bar": {
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"Type": "String"
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}
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}
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}
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dummy_template_json = json.dumps(dummy_template)
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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parameters=[("Bar", "192.168.0.0/16")]
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)
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conn.update_stack(
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"test_stack",
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template_body=dummy_template_json,
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parameters=[("Bar", "192.168.0.1/16")]
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)
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stack = conn.describe_stacks()[0]
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assert stack.parameters[0].value == "192.168.0.1/16"
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@mock_cloudformation_deprecated
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def test_update_stack_replace_tags():
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conn = boto.connect_cloudformation()
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conn.create_stack(
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"test_stack",
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template_body=dummy_template_json,
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tags={"foo": "bar"},
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)
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conn.update_stack(
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"test_stack",
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template_body=dummy_template_json,
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tags={"foo": "baz"},
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)
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stack = conn.describe_stacks()[0]
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stack.stack_status.should.equal("UPDATE_COMPLETE")
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# since there is one tag it doesn't come out as a list
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dict(stack.tags).should.equal({"foo": "baz"})
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@mock_cloudformation_deprecated
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def test_update_stack_when_rolled_back():
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conn = boto.connect_cloudformation()
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stack_id = conn.create_stack(
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"test_stack", template_body=dummy_template_json)
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cloudformation_backends[conn.region.name].stacks[
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stack_id].status = 'ROLLBACK_COMPLETE'
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with assert_raises(BotoServerError) as err:
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conn.update_stack("test_stack", dummy_template_json)
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ex = err.exception
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ex.body.should.match(
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r'is in ROLLBACK_COMPLETE state and can not be updated')
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ex.error_code.should.equal('ValidationError')
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ex.reason.should.equal('Bad Request')
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ex.status.should.equal(400)
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@mock_cloudformation_deprecated
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def test_describe_stack_events_shows_create_update_and_delete():
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conn = boto.connect_cloudformation()
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stack_id = conn.create_stack(
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"test_stack", template_body=dummy_template_json)
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conn.update_stack(stack_id, template_body=dummy_template_json2)
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conn.delete_stack(stack_id)
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# assert begins and ends with stack events
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events = conn.describe_stack_events(stack_id)
|
|
events[0].resource_type.should.equal("AWS::CloudFormation::Stack")
|
|
events[-1].resource_type.should.equal("AWS::CloudFormation::Stack")
|
|
|
|
# testing ordering of stack events without assuming resource events will not exist
|
|
# the AWS API returns events in reverse chronological order
|
|
stack_events_to_look_for = iter([
|
|
("DELETE_COMPLETE", None),
|
|
("DELETE_IN_PROGRESS", "User Initiated"),
|
|
("UPDATE_COMPLETE", None),
|
|
("UPDATE_IN_PROGRESS", "User Initiated"),
|
|
("CREATE_COMPLETE", None),
|
|
("CREATE_IN_PROGRESS", "User Initiated"),
|
|
])
|
|
try:
|
|
for event in events:
|
|
event.stack_id.should.equal(stack_id)
|
|
event.stack_name.should.equal("test_stack")
|
|
event.event_id.should.match(r"[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}")
|
|
|
|
if event.resource_type == "AWS::CloudFormation::Stack":
|
|
event.logical_resource_id.should.equal("test_stack")
|
|
event.physical_resource_id.should.equal(stack_id)
|
|
|
|
status_to_look_for, reason_to_look_for = next(
|
|
stack_events_to_look_for)
|
|
event.resource_status.should.equal(status_to_look_for)
|
|
if reason_to_look_for is not None:
|
|
event.resource_status_reason.should.equal(
|
|
reason_to_look_for)
|
|
except StopIteration:
|
|
assert False, "Too many stack events"
|
|
|
|
list(stack_events_to_look_for).should.be.empty
|