Add initial change set support

This commit is contained in:
Stefan Reimer 2019-01-30 13:00:06 +00:00
parent 3a4ec1924b
commit e393172e54
3 changed files with 38 additions and 2 deletions

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@ -2,7 +2,7 @@ import logging
__author__ = 'Stefan Reimer'
__email__ = 'stefan@zero-downtimet.net'
__version__ = '1.1.0'
__version__ = '1.1.1'
# Set up logging to ``/dev/null`` like a library is supposed to.

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@ -46,12 +46,25 @@ def render(ctx, stack_name, multi):
@click.option("--multi", is_flag=True, help="Allow more than one stack to match")
@click.pass_context
def validate(ctx, stack_name, multi):
""" Validates already rendered templates using cfn-lint """
stacks = _find_stacks(ctx, stack_name, multi)
for s in stacks:
s.validate()
@click.command()
@click.argument("stack_name")
@click.argument("change_set_name")
@click.pass_context
def create_change_set(ctx, stack_name, change_set_name):
""" Creates a change set for an existing stack """
stacks = _find_stacks(ctx, stack_name)
for s in stacks:
s.create_change_set(change_set_name)
@click.command()
@click.argument("stack_name")
@click.option("--multi", is_flag=True, help="Allow more than one stack to match")
@ -143,7 +156,7 @@ def sort_stacks(ctx, stacks):
assert not data, "A cyclic dependency exists amongst %r" % data
def _find_stacks(ctx, stack_name,multi):
def _find_stacks(ctx, stack_name,multi=False):
cb = ctx.obj['cb']
# ALL acts ass config and multi=True
@ -169,6 +182,7 @@ cli.add_command(validate)
cli.add_command(provision)
cli.add_command(delete)
cli.add_command(clean)
cli.add_command(create_change_set)
if __name__ == '__main__':
cli(obj={})

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@ -366,6 +366,28 @@ class Stack(object):
return self._wait_for_completion()
def create_change_set(self, change_set_name):
""" Creates a Change Set with the name ``change_set_name``. """
# Prepare parameters
self.resolve_parameters()
self.write_parameter_file()
if not self.cfn_template:
self.read_template_file()
logger.info('Creating change set {0} for stack {1}'.format(change_set_name, self.stackname))
response = self.connection_manager.call('cloudformation', 'create_change_set',
{'StackName':self.stackname,
'ChangeSetName': change_set_name,
'TemplateBody':self.cfn_template,
'Parameters':self.cfn_parameters,
'Tags':[ {"Key": str(k), "Value": str(v)} for k, v in self.tags.items() ],
'Capabilities':['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM']},
profile=self.profile, region=self.region)
return self._wait_for_completion()
def describe(self):
"""
Returns the a description of the stack.