def get_template_summary(req_params):
stack_name = req_params.get('StackName')
stack = None
if stack_name:
stack = find_stack(stack_name)
if not stack:
return stack_not_found_error(stack_name)
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params['TemplateBody'])
req_params['StackName'] = 'tmp-stack'
stack = Stack(req_params, template)
result = stack.describe_details()
id_summaries = {}
for resource_id, resource in stack.template_resources.items():
res_type = resource['Type']
id_summaries[res_type] = id_summaries.get(res_type) or []
id_summaries[res_type].append(resource_id)
result['ResourceTypes'] = list(id_summaries.keys())
result['ResourceIdentifierSummaries'] = [{
'ResourceType': key,
'LogicalResourceIds': {
'member': values
}
} for key, values in id_summaries.items()]
return result
def create_stack(req_params):
state = CloudFormationRegion.get()
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params['TemplateBody'])
stack_name = template['StackName'] = req_params.get('StackName')
stack = Stack(req_params, template)
# find existing stack with same name, and remove it if this stack is in DELETED state
existing = ([s for s in state.stacks.values() if s.stack_name == stack_name] or [None])[0]
if existing:
if 'DELETE' not in existing.status:
return error_response('Stack named "%s" already exists with status "%s"' % (
stack_name, existing.status), code=400, code_string='ValidationError')
state.stacks.pop(existing.stack_id)
state.stacks[stack.stack_id] = stack
LOG.debug('Creating stack "%s" with %s resources ...' % (stack.stack_name, len(stack.template_resources)))
deployer = template_deployer.TemplateDeployer(stack)
try:
deployer.deploy_stack()
except Exception as e:
stack.set_stack_status('CREATE_FAILED')
msg = 'Unable to create stack "%s": %s' % (stack.stack_name, e)
LOG.debug('%s %s' % (msg, traceback.format_exc()))
return error_response(msg, code=400, code_string='ValidationError')
result = {'StackId': stack.stack_id}
return result
def create_change_set(req_params):
stack_name = req_params.get('StackName')
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params.pop('TemplateBody'))
template['StackName'] = stack_name
template['ChangeSetName'] = req_params.get('ChangeSetName')
stack = existing = find_stack(stack_name)
if not existing:
# automatically create (empty) stack if none exists yet
state = CloudFormationRegion.get()
empty_stack_template = dict(template)
empty_stack_template['Resources'] = {}
req_params_copy = clone_stack_params(req_params)
stack = Stack(req_params_copy, empty_stack_template)
state.stacks[stack.stack_id] = stack
stack.set_stack_status('CREATE_COMPLETE')
change_set = StackChangeSet(req_params, template)
deployer = template_deployer.TemplateDeployer(stack)
deployer.construct_changes(stack,
change_set,
change_set_id=change_set.change_set_id,
append_to_changeset=True)
stack.change_sets.append(change_set)
change_set.metadata['Status'] = 'CREATE_COMPLETE'
change_set.metadata['ExecutionStatus'] = 'AVAILABLE'
change_set.metadata['StatusReason'] = 'Changeset created'
return {'StackId': change_set.stack_id, 'Id': change_set.change_set_id}
def get_template_summary(
self,
context: RequestContext,
request: GetTemplateSummaryInput,
) -> GetTemplateSummaryOutput:
stack_name = request.get("StackName")
if stack_name:
stack = find_stack(stack_name)
if not stack:
return stack_not_found_error(stack_name)
else:
template_deployer.prepare_template_body(request)
template = template_preparer.parse_template(request["TemplateBody"])
request["StackName"] = "tmp-stack"
stack = Stack(request, template)
result: GetTemplateSummaryOutput = stack.describe_details()
id_summaries = {}
for resource_id, resource in stack.template_resources.items():
res_type = resource["Type"]
id_summaries[res_type] = id_summaries.get(res_type) or []
id_summaries[res_type].append(resource_id)
result["ResourceTypes"] = list(id_summaries.keys())
result["ResourceIdentifierSummaries"] = [
{"ResourceType": key, "LogicalResourceIds": values}
for key, values in id_summaries.items()
]
return result
def create_stack(self, context: RequestContext, request: CreateStackInput) -> CreateStackOutput:
state = CloudFormationRegion.get()
template_deployer.prepare_template_body(request) # TODO: avoid mutating request directly
template = template_preparer.parse_template(request["TemplateBody"])
stack_name = template["StackName"] = request.get("StackName")
stack = Stack(request, template)
# find existing stack with same name, and remove it if this stack is in DELETED state
existing = ([s for s in state.stacks.values() if s.stack_name == stack_name] or [None])[0]
if existing:
if "DELETE" not in existing.status:
raise ValidationError(
f'Stack named "{stack_name}" already exists with status "{existing.status}"'
)
state.stacks.pop(existing.stack_id)
state.stacks[stack.stack_id] = stack
LOG.debug(
'Creating stack "%s" with %s resources ...',
stack.stack_name,
len(stack.template_resources),
)
deployer = template_deployer.TemplateDeployer(stack)
try:
# TODO: create separate step to first resolve parameters
deployer.deploy_stack()
except Exception as e:
stack.set_stack_status("CREATE_FAILED")
msg = 'Unable to create stack "%s": %s' % (stack.stack_name, e)
LOG.exception("%s")
raise ValidationError(msg) from e
return CreateStackOutput(StackId=stack.stack_id)
def get_template_summary(req_params):
stack_name = req_params.get("StackName")
stack = None
if stack_name:
stack = find_stack(stack_name)
if not stack:
return stack_not_found_error(stack_name)
else:
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params["TemplateBody"])
req_params["StackName"] = "tmp-stack"
stack = Stack(req_params, template)
result = stack.describe_details()
id_summaries = {}
for resource_id, resource in stack.template_resources.items():
res_type = resource["Type"]
id_summaries[res_type] = id_summaries.get(res_type) or []
id_summaries[res_type].append(resource_id)
result["ResourceTypes"] = list(id_summaries.keys())
result["ResourceIdentifierSummaries"] = [{
"ResourceType": key,
"LogicalResourceIds": {
"member": values
}
} for key, values in id_summaries.items()]
return result
def create_change_set(req_params):
stack_name = req_params.get("StackName")
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params.pop("TemplateBody"))
template["StackName"] = stack_name
template["ChangeSetName"] = req_params.get("ChangeSetName")
stack = existing = find_stack(stack_name)
if not existing:
# automatically create (empty) stack if none exists yet
state = CloudFormationRegion.get()
empty_stack_template = dict(template)
empty_stack_template["Resources"] = {}
req_params_copy = clone_stack_params(req_params)
stack = Stack(req_params_copy, empty_stack_template)
state.stacks[stack.stack_id] = stack
stack.set_stack_status("CREATE_COMPLETE")
change_set = StackChangeSet(req_params, template)
deployer = template_deployer.TemplateDeployer(stack)
deployer.construct_changes(
stack,
change_set,
change_set_id=change_set.change_set_id,
append_to_changeset=True,
)
stack.change_sets.append(change_set)
change_set.metadata["Status"] = "CREATE_COMPLETE"
change_set.metadata["ExecutionStatus"] = "AVAILABLE"
change_set.metadata["StatusReason"] = "Changeset created"
return {"StackId": change_set.stack_id, "Id": change_set.change_set_id}
def create_stack(req_params):
state = CloudFormationRegion.get()
template_deployer.prepare_template_body(req_params) # TODO: avoid mutating req_params directly
template = template_preparer.parse_template(req_params["TemplateBody"])
stack_name = template["StackName"] = req_params.get("StackName")
stack = Stack(req_params, template)
# find existing stack with same name, and remove it if this stack is in DELETED state
existing = ([s for s in state.stacks.values() if s.stack_name == stack_name] or [None])[0]
if existing:
if "DELETE" not in existing.status:
return error_response(
'Stack named "%s" already exists with status "%s"' % (stack_name, existing.status),
code=400,
code_string="ValidationError",
)
state.stacks.pop(existing.stack_id)
state.stacks[stack.stack_id] = stack
LOG.debug(
'Creating stack "%s" with %s resources ...'
% (stack.stack_name, len(stack.template_resources))
)
deployer = template_deployer.TemplateDeployer(stack)
try:
# TODO: create separate step to first resolve parameters
deployer.deploy_stack()
except Exception as e:
stack.set_stack_status("CREATE_FAILED")
msg = 'Unable to create stack "%s": %s' % (stack.stack_name, e)
LOG.debug("%s %s" % (msg, traceback.format_exc()))
return error_response(msg, code=400, code_string="ValidationError")
result = {"StackId": stack.stack_id}
return result
def create_stack(req_params):
state = CloudFormationRegion.get()
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params['TemplateBody'])
template['StackName'] = req_params.get('StackName')
stack = Stack(req_params, template)
state.stacks[stack.stack_id] = stack
LOG.debug('Creating stack "%s" with %s resources ...' % (stack.stack_name, len(stack.template_resources)))
deployer = template_deployer.TemplateDeployer(stack)
try:
deployer.deploy_stack()
except Exception as e:
stack.set_stack_status('CREATE_FAILED')
msg = 'Unable to create stack "%s": %s' % (stack.stack_name, e)
LOG.debug('%s %s' % (msg, traceback.format_exc()))
return error_response(msg, code=400, code_string='ValidationError')
result = {'StackId': stack.stack_id}
return result
def create_change_set(req_params):
stack_name = req_params.get('StackName')
template_deployer.prepare_template_body(req_params)
template = template_preparer.parse_template(req_params['TemplateBody'])
template['StackName'] = stack_name
template['ChangeSetName'] = req_params.get('ChangeSetName')
stack = existing = find_stack(stack_name)
if not existing:
# automatically create (empty) stack if none exists yet
state = CloudFormationRegion.get()
empty_stack_template = dict(template)
empty_stack_template['Resources'] = {}
stack = Stack(clone(req_params), empty_stack_template)
state.stacks[stack.stack_id] = stack
stack.set_stack_status('CREATE_COMPLETE')
change_set = StackChangeSet(req_params, template)
stack.change_sets.append(change_set)
change_set.metadata['Status'] = 'CREATE_COMPLETE'
return {'StackId': change_set.stack_id, 'Id': change_set.change_set_id}
def forward_request(self, method, path, data, headers):
if method == 'OPTIONS':
return 200
data = data or ''
data_orig = data
data = aws_stack.fix_account_id_in_arns(
data,
existing='%3A{}%3Astack/'.format(TEST_AWS_ACCOUNT_ID),
replace='%3A{}%3Astack/'.format(MOTO_CLOUDFORMATION_ACCOUNT_ID),
colon_delimiter='')
data = aws_stack.fix_account_id_in_arns(
data,
existing='%3A{}%3AchangeSet/'.format(TEST_AWS_ACCOUNT_ID),
replace='%3A{}%3AchangeSet/'.format(
MOTO_CLOUDFORMATION_ACCOUNT_ID),
colon_delimiter='')
data = aws_stack.fix_account_id_in_arns(data,
existing=TEST_AWS_ACCOUNT_ID,
replace=MOTO_ACCOUNT_ID,
colon_delimiter='%3A')
req_data = None
if method == 'POST' and path == '/':
req_data = urlparse.parse_qs(to_str(data))
req_data = dict([(k, v[0]) for k, v in req_data.items()])
action = req_data.get('Action')
stack_name = req_data.get('StackName')
if action == 'CreateStack':
event_publisher.fire_event(
event_publisher.EVENT_CLOUDFORMATION_CREATE_STACK,
payload={'n': event_publisher.get_hash(stack_name)})
if action == 'DeleteStack':
client = aws_stack.connect_to_service('cloudformation')
stack_resources = client.list_stack_resources(
StackName=stack_name)['StackResourceSummaries']
from localstack.utils.cloudformation import template_deployer_old
template_deployer_old.delete_stack(stack_name, stack_resources)
if action == 'DescribeStackEvents':
# fix an issue where moto cannot handle ARNs as stack names (or missing names)
run_fix = not stack_name
if stack_name:
if stack_name.startswith('arn:aws:cloudformation'):
run_fix = True
pattern = r'arn:aws:cloudformation:[^:]+:[^:]+:stack/([^/]+)(/.+)?'
stack_name = re.sub(pattern, r'\1', stack_name)
if run_fix:
stack_names = [
stack_name
] if stack_name else self._list_stack_names()
client = aws_stack.connect_to_service('cloudformation')
events = []
for stack_name in stack_names:
tmp = client.describe_stack_events(
StackName=stack_name)['StackEvents'][:1]
events.extend(tmp)
events = [{'member': e} for e in events]
response_content = '<StackEvents>%s</StackEvents>' % obj_to_xml(
events)
return make_response('DescribeStackEvents',
response_content)
if req_data:
if action == 'ValidateTemplate':
return template_preparer.validate_template(req_data)
if action in ['CreateStack', 'UpdateStack', 'CreateChangeSet']:
modified = template_deployer.prepare_template_body(req_data)
if modified:
data = urlparse.urlencode(req_data, doseq=True)
return Request(data=data, headers=headers, method=method)
if data != data_orig or action in [
'DescribeChangeSet', 'ExecuteChangeSet'
]:
return Request(data=urlparse.urlencode(req_data, doseq=True),
headers=headers,
method=method)
return True
