def update_infrastructure(stackname, skip=None, start=['ec2']):
"""Limited update of the Cloudformation template and/or Terraform template.
Resources can be added, but most of the existing ones are immutable.
Some resources are updatable in place.
Moreover, we never add anything related to EC2 instances as they are
not supported anyway (they will come up as part of the template
but without any software being on it)
Moreover, EC2 instances must be running while this is executed or their
resources like PublicIP will be inaccessible.
Allows to skip EC2, SQS, S3 updates by passing `skip=ec2\\,sqs\\,s3`
By default starts EC2 instances but this can be avoid by passing `start=`"""
skip = skip.split(",") if skip else []
start = start.split(",") if isinstance(start, str) else start or []
(pname, _) = core.parse_stackname(stackname)
more_context = {}
context, delta, current_context = cfngen.regenerate_stack(
stackname, **more_context)
if _are_there_existing_servers(current_context) and 'ec2' in start:
core_lifecycle.start(stackname)
LOG.info("Create: %s", pformat(delta.plus))
LOG.info("Update: %s", pformat(delta.edit))
LOG.info("Delete: %s", pformat(delta.minus))
LOG.info("Terraform delta: %s", delta.terraform)
# see: `buildercore.config.BUILDER_NON_INTERACTIVE` for skipping confirmation prompts
utils.confirm(
'Confirming changes to CloudFormation and Terraform templates?')
context_handler.write_context(stackname, context)
cloudformation.update_template(stackname, delta.cloudformation)
terraform.update_template(stackname)
# TODO: move inside bootstrap.update_stack
# EC2
if _are_there_existing_servers(context) and not 'ec2' in skip:
# the /etc/buildvars.json file may need to be updated
buildvars.refresh(stackname, context)
update(stackname)
# SQS
if context.get('sqs', {}) and not 'sqs' in skip:
bootstrap.update_stack(stackname, service_list=['sqs'])
# S3
if context.get('s3', {}) and not 's3' in skip:
bootstrap.update_stack(stackname, service_list=['s3'])
def update_infrastructure(stackname, skip=None, start=['ec2']):
"""Limited update of the Cloudformation template and/or Terraform template.
Resources can be added, but most of the existing ones are immutable.
Some resources are updatable in place.
Moreover, we never add anything related to EC2 instances as they are
not supported anyway (they will come up as part of the template
but without any software being on it)
Moreover, EC2 instances must be running while this is executed or their
resources like PublicIP will be inaccessible.
Allows to skip EC2, SQS, S3 updates by passing `skip=ec2\\,sqs\\,s3`
By default starts EC2 instances but this can be avoid by passing `start=`"""
skip = skip.split(",") if skip else []
start = start.split(",") if isinstance(start, str) else start or []
(pname, _) = core.parse_stackname(stackname)
more_context = {}
context, delta, current_context = cfngen.regenerate_stack(stackname, **more_context)
if _are_there_existing_servers(current_context) and 'ec2' in start:
core_lifecycle.start(stackname)
LOG.info("Create: %s", pformat(delta.plus))
LOG.info("Update: %s", pformat(delta.edit))
LOG.info("Delete: %s", pformat(delta.minus))
LOG.info("Terraform delta: %s", delta.terraform)
utils.confirm('Confirming changes to CloudFormation and Terraform templates?')
context_handler.write_context(stackname, context)
cloudformation.update_template(stackname, delta.cloudformation)
terraform.update_template(stackname)
# TODO: move inside bootstrap.update_stack
# EC2
if _are_there_existing_servers(context) and not 'ec2' in skip:
# the /etc/buildvars.json file may need to be updated
buildvars.refresh(stackname, context)
update(stackname)
# SQS
if context.get('sqs', {}) and not 'sqs' in skip:
bootstrap.update_stack(stackname, service_list=['sqs'])
# S3
if context.get('s3', {}) and not 's3' in skip:
bootstrap.update_stack(stackname, service_list=['s3'])
def test_no_updates(self):
cloudformation.update_template('dummy1--test', cloudformation.CloudFormationDelta())
def test_no_updates(self):
cloudformation.update_template('dummy1--test',
cloudformation.CloudFormationDelta())