def _deploy_from_hot(self, specification, server_endpoint, base_dir=None):
accommodation = normalize_accommodation(
specification.get('accommodation')
or specification.get('vm_accommodation'))
agents = generate_agents(self._get_compute_nodes(accommodation),
accommodation, self.stack_name)
# render template by jinja
vars_values = {
'agents': agents,
'unique': self.stack_name,
}
heat_template = utils.read_file(specification['template'],
base_dir=base_dir)
compiled_template = jinja2.Template(heat_template)
rendered_template = compiled_template.render(vars_values)
LOG.debug('Rendered template: %s', rendered_template)
# create stack by Heat
try:
merged_parameters = {
'server_endpoint': server_endpoint,
'external_net': self.external_net,
'image': self.image_name,
'flavor': self.flavor_name,
'dns_nameservers': self.dns_nameservers,
}
except AttributeError as e:
LOG.error(
'Failed to gather required parameters to create '
'heat stack: %s', e)
exit(1)
merged_parameters.update(specification.get('template_parameters', {}))
self.has_stack = True
stack_id = heat.create_stack(self.openstack_client.heat,
self.stack_name, rendered_template,
merged_parameters)
# get info about deployed objects
outputs = heat.get_stack_outputs(self.openstack_client.heat, stack_id)
override = self._get_override(specification.get('override'))
agents = filter_agents(agents, outputs, override)
if (not self.privileged_mode) and accommodation.get('density', 1) == 1:
get_host_fn = functools.partial(nova.get_server_host_id,
self.openstack_client.nova)
agents = distribute_agents(agents, get_host_fn)
return agents
def build_image_with_heat(openstack_client, image_name, flavor_name,
dns_nameservers):
template = None
template_filename = cfg.CONF.image_builder_template
try:
am = lambda f: config.IMAGE_BUILDER_TEMPLATES + '%s.yaml' % f
template = utils.read_file(template_filename, alias_mapper=am)
except IOError:
LOG.error(
'Error reading template file: %s. '
'Please verify correctness of --image-builder-template '
'parameter', template_filename)
exit(1)
external_net = (cfg.CONF.external_net
or neutron.choose_external_net(openstack_client.neutron))
stack_name = 'shaker_%s' % uuid.uuid4()
stack_parameters = {
'external_net': external_net,
'flavor': flavor_name,
'dns_nameservers': dns_nameservers
}
stack_id = None
try:
stack_id = heat.create_stack(openstack_client.heat, stack_name,
template, stack_parameters)
outputs = heat.get_stack_outputs(openstack_client.heat, stack_id)
LOG.debug('Stack outputs: %s', outputs)
LOG.debug('Waiting for server to shutdown')
server_id = outputs['server_info'].get('id')
nova.wait_server_shutdown(openstack_client.nova, server_id)
LOG.debug('Making snapshot')
openstack_client.nova.servers.create_image(server_id, image_name)
LOG.debug('Waiting for server to snapshot')
nova.wait_server_snapshot(openstack_client.nova, server_id)
LOG.info('Created image: %s', image_name)
except BaseException as e:
if isinstance(e, KeyboardInterrupt):
LOG.info('Caught SIGINT. Terminating')
else:
error_msg = 'Error while building the image: %s' % e
LOG.error(error_msg)
LOG.exception(e)
finally:
if stack_id and cfg.CONF.cleanup_on_error:
LOG.debug('Cleaning up the stack: %s', stack_id)
openstack_client.heat.stacks.delete(stack_id)
def _deploy_from_hot(self, specification, server_endpoint, base_dir=None):
accommodation = normalize_accommodation(
specification.get('accommodation') or
specification.get('vm_accommodation'))
agents = generate_agents(self._get_compute_nodes(accommodation),
accommodation, self.stack_name)
# render template by jinja
vars_values = {
'agents': agents,
'unique': self.stack_name,
}
heat_template = utils.read_file(specification['template'],
base_dir=base_dir)
compiled_template = jinja2.Template(heat_template)
rendered_template = compiled_template.render(vars_values)
LOG.debug('Rendered template: %s', rendered_template)
# create stack by Heat
merged_parameters = {
'server_endpoint': server_endpoint,
'external_net': self.external_net,
'image': self.image_name,
'flavor': self.flavor_name,
'dns_nameservers': self.dns_nameservers,
}
merged_parameters.update(specification.get('template_parameters', {}))
self.has_stack = True
stack_id = heat.create_stack(
self.openstack_client.heat, self.stack_name, rendered_template,
merged_parameters)
# get info about deployed objects
outputs = heat.get_stack_outputs(self.openstack_client.heat, stack_id)
override = self._get_override(specification.get('override'))
agents = filter_agents(agents, outputs, override)
if (not self.privileged_mode) and accommodation.get('density', 1) == 1:
get_host_fn = functools.partial(nova.get_server_host_id,
self.openstack_client.nova)
agents = distribute_agents(agents, get_host_fn)
return agents
def _deploy_support_stacks(self, support_templates, base_dir):
for stack in support_templates:
try:
support_name = stack['name']
support_template = utils.read_file(stack['template'],
base_dir=base_dir)
support_env_file = stack.get('env_file', None)
if support_env_file is not None:
support_env_file = self._render_env_template(
support_env_file, base_dir)
# user should set default values in supoort template
# or provide a heat environment file to update
# parameters for support templates
support_template_params = {}
support_id = heat.create_stack(self.openstack_client.heat,
support_name, support_template,
support_template_params,
support_env_file)
# track support stacks for cleanup
current_stack = self.TrackStack(name=support_name,
id=support_id)
self.support_stacks.append(current_stack)
LOG.debug('Tracking support stacks: %s', self.support_stacks)
except heat.exc.Conflict as err:
# continue even if support stack already exists. This
# allows re-use of existing support stacks if multiple
# runs reference the same support stack.
LOG.info('Ignoring stack exists errors: %s', err)
# clear the exception so polling heat later doesn't
# continue to show the exception in the logs
if sys.version_info < (3, 0):
sys.exc_clear()
except heat.exc.StackFailure as err:
self.stackid = err.args[0]
raise
def _deploy_from_hot(self, specification, base_dir=None):
agents = generate_agents(
nova.get_available_compute_nodes(self.openstack_client.nova),
specification.get('accommodation') or
specification.get('vm_accommodation'),
self.stack_name)
# render template by jinja
vars_values = {
'agents': agents,
'unique': self.stack_name,
}
heat_template = utils.read_file(specification['template'],
base_dir=base_dir)
compiled_template = jinja2.Template(heat_template)
rendered_template = compiled_template.render(vars_values)
LOG.debug('Rendered template: %s', rendered_template)
# create stack by Heat
merged_parameters = {
'server_endpoint': self.server_endpoint,
'external_net': self.external_net,
'image': self.image_name,
'flavor': self.flavor_name,
}
merged_parameters.update(specification.get('template_parameters', {}))
stack_id = heat.create_stack(
self.openstack_client.heat, self.stack_name, rendered_template,
merged_parameters)
self.stack_created = True
# get info about deployed objects
outputs = heat.get_stack_outputs(self.openstack_client.heat, stack_id)
override = self._get_override(specification.get('override'))
return filter_agents(agents, outputs, override)
def _deploy_from_hot(self, specification, base_dir=None):
agents = generate_agents(
nova.get_available_compute_nodes(self.openstack_client.nova),
specification.get('accommodation')
or specification.get('vm_accommodation'), self.stack_name)
# render template by jinja
vars_values = {
'agents': agents,
'unique': self.stack_name,
}
heat_template = utils.read_file(specification['template'],
base_dir=base_dir)
compiled_template = jinja2.Template(heat_template)
rendered_template = compiled_template.render(vars_values)
LOG.debug('Rendered template: %s', rendered_template)
# create stack by Heat
merged_parameters = {
'server_endpoint': self.server_endpoint,
'external_net': self.external_net,
'image': self.image_name,
'flavor': self.flavor_name,
}
merged_parameters.update(specification.get('template_parameters', {}))
stack_id = heat.create_stack(self.openstack_client.heat,
self.stack_name, rendered_template,
merged_parameters)
self.stack_created = True
# get info about deployed objects
outputs = heat.get_stack_outputs(self.openstack_client.heat, stack_id)
override = self._get_override(specification.get('override'))
return filter_agents(agents, outputs, override)
def build_image():
openstack_client = init()
flavor_name = cfg.CONF.flavor_name
image_name = cfg.CONF.image_name
dns_nameservers = cfg.CONF.dns_nameservers
if nova.does_flavor_exist(openstack_client.nova, flavor_name):
LOG.info('Using existing flavor: %s', flavor_name)
else:
try:
nova.create_flavor(openstack_client.nova, name=flavor_name,
ram=cfg.CONF.flavor_ram,
vcpus=cfg.CONF.flavor_vcpus,
disk=cfg.CONF.flavor_disk)
LOG.info('Created flavor %s', flavor_name)
except nova.ForbiddenException:
LOG.error('User does not have permissions to create the flavor. '
'Specify user with admin privileges or specify existing '
'flavor via --flavor-name parameter.')
exit(1)
if glance.get_image(openstack_client.glance, image_name):
LOG.info('Using existing image: %s', image_name)
else:
template = None
template_filename = cfg.CONF.image_builder_template
try:
am = lambda f: config.IMAGE_BUILDER_TEMPLATES + '%s.yaml' % f
template = utils.read_file(template_filename, alias_mapper=am)
except IOError:
LOG.error('Error reading template file: %s. '
'Please verify correctness of --image-builder-template '
'parameter', template_filename)
exit(1)
external_net = (cfg.CONF.external_net or
neutron.choose_external_net(openstack_client.neutron))
stack_name = 'shaker_%s' % uuid.uuid4()
stack_parameters = {'external_net': external_net,
'flavor': flavor_name,
'dns_nameservers': dns_nameservers}
stack_id = None
try:
stack_id = heat.create_stack(openstack_client.heat, stack_name,
template, stack_parameters)
outputs = heat.get_stack_outputs(openstack_client.heat, stack_id)
LOG.debug('Stack outputs: %s', outputs)
LOG.debug('Waiting for server to shutdown')
server_id = outputs['server_info'].get('id')
nova.wait_server_shutdown(openstack_client.nova, server_id)
LOG.debug('Making snapshot')
openstack_client.nova.servers.create_image(
server_id, image_name)
LOG.debug('Waiting for server to snapshot')
nova.wait_server_snapshot(openstack_client.nova, server_id)
LOG.info('Created image: %s', image_name)
except BaseException as e:
if isinstance(e, KeyboardInterrupt):
LOG.info('Caught SIGINT. Terminating')
else:
error_msg = 'Error while building the image: %s' % e
LOG.error(error_msg)
LOG.exception(e)
finally:
if stack_id and cfg.CONF.cleanup_on_error:
LOG.debug('Cleaning up the stack: %s', stack_id)
openstack_client.heat.stacks.delete(stack_id)
