"""Heat template and stack management"""
-import time
+from __future__ import absolute_import
+from __future__ import print_function
+
+import collections
import datetime
import getpass
-import socket
import logging
-import pkg_resources
-import json
+import socket
+import time
-from oslo_utils import encodeutils
import heatclient
+import pkg_resources
+from oslo_serialization import jsonutils
+from oslo_utils import encodeutils
-from yardstick.common import template_format
import yardstick.common.openstack_utils as op_utils
-
+from yardstick.common import template_format
log = logging.getLogger(__name__)
+HEAT_KEY_UUID_LENGTH = 8
+
+
+def get_short_key_uuid(uuid):
+ return str(uuid)[:HEAT_KEY_UUID_LENGTH]
+
+
class HeatObject(object):
- ''' base class for template and stack'''
+ """ base class for template and stack"""
+
def __init__(self):
self._heat_client = None
self.uuid = None
def _get_heat_client(self):
- '''returns a heat client instance'''
+ """returns a heat client instance"""
if self._heat_client is None:
sess = op_utils.get_session()
return self._heat_client
def status(self):
- '''returns stack state as a string'''
+ """returns stack state as a string"""
heat = self._get_heat_client()
stack = heat.stacks.get(self.uuid)
return getattr(stack, 'stack_status')
class HeatStack(HeatObject):
- ''' Represents a Heat stack (deployed template) '''
+ """ Represents a Heat stack (deployed template) """
stacks = []
def __init__(self, name):
@staticmethod
def stacks_exist():
- '''check if any stack has been deployed'''
+ """check if any stack has been deployed"""
return len(HeatStack.stacks) > 0
def _delete(self):
- '''deletes a stack from the target cloud using heat'''
+ """deletes a stack from the target cloud using heat"""
if self.uuid is None:
return
self.uuid = None
def delete(self, block=True, retries=3):
- '''deletes a stack in the target cloud using heat (with retry)
+ """deletes a stack in the target cloud using heat (with retry)
Sometimes delete fail with "InternalServerError" and the next attempt
succeeds. So it is worthwhile to test a couple of times.
- '''
+ """
if self.uuid is None:
return
self._delete()
break
except RuntimeError as err:
- log.warn(err.args)
+ log.warning(err.args)
time.sleep(2)
i += 1
stack.delete()
def update(self):
- '''update a stack'''
+ """update a stack"""
raise RuntimeError("not implemented")
class HeatTemplate(HeatObject):
- '''Describes a Heat template and a method to deploy template to a stack'''
+ """Describes a Heat template and a method to deploy template to a stack"""
def _init_template(self):
self._template = {}
timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
self._template['description'] = \
- '''Stack built by the yardstick framework for %s on host %s %s.
+ """Stack built by the yardstick framework for %s on host %s %s.
All referred generated resources are prefixed with the template
- name (i.e. %s).''' % (getpass.getuser(), socket.gethostname(),
+ name (i.e. %s).""" % (getpass.getuser(), socket.gethostname(),
timestamp, self.name)
# short hand for resources part of template
if template_file:
with open(template_file) as stream:
- print "Parsing external template:", template_file
+ print("Parsing external template:", template_file)
template_str = stream.read()
- self._template = template_format.parse(template_str)
+ self._template = template_format.parse(template_str)
self._parameters = heat_parameters
else:
self._init_template()
log.debug("template object '%s' created", name)
def add_network(self, name):
- '''add to the template a Neutron Net'''
+ """add to the template a Neutron Net"""
log.debug("adding Neutron::Net '%s'", name)
self.resources[name] = {
'type': 'OS::Neutron::Net',
'properties': {'name': name}
}
+ def add_server_group(self, name, policies): # pragma: no cover
+ """add to the template a ServerGroup"""
+ log.debug("adding Nova::ServerGroup '%s'", name)
+ policies = policies if isinstance(policies, list) else [policies]
+ self.resources[name] = {
+ 'type': 'OS::Nova::ServerGroup',
+ 'properties': {'name': name,
+ 'policies': policies}
+ }
+
def add_subnet(self, name, network, cidr):
- '''add to the template a Neutron Subnet'''
+ """add to the template a Neutron Subnet"""
log.debug("adding Neutron::Subnet '%s' in network '%s', cidr '%s'",
name, network, cidr)
self.resources[name] = {
}
def add_router(self, name, ext_gw_net, subnet_name):
- '''add to the template a Neutron Router and interface'''
+ """add to the template a Neutron Router and interface"""
log.debug("adding Neutron::Router:'%s', gw-net:'%s'", name, ext_gw_net)
self.resources[name] = {
}
def add_router_interface(self, name, router_name, subnet_name):
- '''add to the template a Neutron RouterInterface and interface'''
+ """add to the template a Neutron RouterInterface and interface"""
log.debug("adding Neutron::RouterInterface '%s' router:'%s', "
"subnet:'%s'", name, router_name, subnet_name)
}
def add_port(self, name, network_name, subnet_name, sec_group_id=None):
- '''add to the template a named Neutron Port'''
+ """add to the template a named Neutron Port"""
log.debug("adding Neutron::Port '%s', network:'%s', subnet:'%s', "
"secgroup:%s", name, network_name, subnet_name, sec_group_id)
self.resources[name] = {
def add_floating_ip(self, name, network_name, port_name, router_if_name,
secgroup_name=None):
- '''add to the template a Nova FloatingIP resource
+ """add to the template a Nova FloatingIP resource
see: https://bugs.launchpad.net/heat/+bug/1299259
- '''
+ """
log.debug("adding Nova::FloatingIP '%s', network '%s', port '%s', "
"rif '%s'", name, network_name, port_name, router_if_name)
}
def add_floating_ip_association(self, name, floating_ip_name, port_name):
- '''add to the template a Nova FloatingIP Association resource
- '''
+ """add to the template a Nova FloatingIP Association resource
+ """
log.debug("adding Nova::FloatingIPAssociation '%s', server '%s', "
"floating_ip '%s'", name, port_name, floating_ip_name)
}
def add_keypair(self, name, key_uuid):
- '''add to the template a Nova KeyPair'''
+ """add to the template a Nova KeyPair"""
log.debug("adding Nova::KeyPair '%s'", name)
self.resources[name] = {
'type': 'OS::Nova::KeyPair',
'properties': {
'name': name,
+ # resource_string returns bytes, so we must decode to unicode
'public_key': encodeutils.safe_decode(
pkg_resources.resource_string(
'yardstick.resources',
- 'files/yardstick_key-{:.{width}}.pub'.format(
- key_uuid, width=8)),
+ 'files/yardstick_key-' +
+ get_short_key_uuid(key_uuid) + '.pub'),
'utf-8')
}
}
def add_servergroup(self, name, policy):
- '''add to the template a Nova ServerGroup'''
+ """add to the template a Nova ServerGroup"""
log.debug("adding Nova::ServerGroup '%s', policy '%s'", name, policy)
if policy not in ["anti-affinity", "affinity"]:
raise ValueError(policy)
}
def add_security_group(self, name):
- '''add to the template a Neutron SecurityGroup'''
+ """add to the template a Neutron SecurityGroup"""
log.debug("adding Neutron::SecurityGroup '%s'", name)
self.resources[name] = {
'type': 'OS::Neutron::SecurityGroup',
def add_server(self, name, image, flavor, ports=None, networks=None,
scheduler_hints=None, user=None, key_name=None,
user_data=None, metadata=None, additional_properties=None):
- '''add to the template a Nova Server'''
+ """add to the template a Nova Server"""
log.debug("adding Nova::Server '%s', image '%s', flavor '%s', "
"ports %s", name, image, flavor, ports)
)
if networks:
- for i in range(len(networks)):
+ for i, _ in enumerate(networks):
server_properties['networks'].append({'network': networks[i]})
if scheduler_hints:
server_properties['user_data'] = user_data
if metadata:
- assert type(metadata) is dict
+ assert isinstance(metadata, collections.Mapping)
server_properties['metadata'] = metadata
if additional_properties:
- assert type(additional_properties) is dict
+ assert isinstance(additional_properties, collections.Mapping)
for prop in additional_properties:
server_properties[prop] = additional_properties[prop]
}
def create(self, block=True):
- '''creates a template in the target cloud using heat
- returns a dict with the requested output values from the template'''
+ """creates a template in the target cloud using heat
+ returns a dict with the requested output values from the template"""
log.info("Creating stack '%s'", self.name)
# create stack early to support cleanup, e.g. ctrl-c while waiting
stack = HeatStack(self.name)
heat = self._get_heat_client()
- json_template = json.dumps(self._template)
+ json_template = jsonutils.dump_as_bytes(
+ self._template)
start_time = time.time()
stack.uuid = self.uuid = heat.stacks.create(
stack_name=self.name, template=json_template,
parameters=self.heat_parameters)['stack']['id']
status = self.status()
+ outputs = []
if block:
while status != u'CREATE_COMPLETE':
end_time = time.time()
outputs = getattr(heat.stacks.get(self.uuid), 'outputs')
+ log.info("Created stack '%s' in %d secs",
+ self.name, end_time - start_time)
- for output in outputs:
- self.outputs[output["output_key"].encode("ascii")] = \
- output["output_value"].encode("ascii")
-
- log.info("Created stack '%s' in %d secs",
- self.name, end_time - start_time)
+ # keep outputs as unicode
+ self.outputs = {output["output_key"]: output["output_value"] for output
+ in outputs}
stack.outputs = self.outputs
return stack
Code Review / yardstick.git / blobdiff