def model_init(**kwargs):
"""Set this host to be the Geppetto master and save global config"""
for name, value in kwargs.iteritems():
if value:
ConfigClassParameter.set_config_parameter(name.upper(), value)
master_hostname = network.get_hostname()
Master.promote_node(master_hostname)
master = get_or_create_node(master_hostname)
Override.\
update_or_create_override(master,
ConfigClassParameter.get_by_name(
ConfigClassParameter.VPX_LABEL_PREFIX),
'Citrix OpenStack VPX')
geppetto_roles = [
Role.get_by_name(Role.CELERY_WORKER),
Role.get_by_name(Role.CELERY_CAMERA)
]
if kwargs['vpx_master_db_host'] in [master_hostname, 'localhost']:
geppetto_roles.append(Role.get_by_name(Role.MYSQL))
if kwargs['vpx_master_queue_host'] in [master_hostname, 'localhost']:
geppetto_roles.append(Role.get_by_name(Role.RABBITMQ))
roles_to_apply = [r for r in geppetto_roles \
if not NodeRoleAssignment.exists(master, r)]
NodeRoleAssignment.add_roles_to_node(master, roles_to_apply, True)
def update_related_config_params(roles, node_fqdn):
"""Update all config values affected by the given worker type moving
to a new node. Then restart all affected services.
"""
affected_config_parms = []
for role in roles:
if role.description:
affected_config_parms.extend(RoleDesConfigParamAssignment.\
get_param_labels_by_description(role.description))
affected_config_parms = set(affected_config_parms)
for param_label in affected_config_parms:
ConfigClassParameter.set_config_parameter(param_label, node_fqdn)
Override.update_overrides(ConfigClassParameter.\
get_by_name(param_label))
GroupOverride.update_overrides(ConfigClassParameter.\
get_by_name(param_label))
# restart appropriate services on the affected nodes or
# track nodes whose CLI configuration require a refresh
node_dict = {}
details = ConfigClassParameter.\
get_details_for_params(affected_config_parms)
for param_label in affected_config_parms:
applies_to = details[param_label]['applies-to']
for role_name in applies_to:
role_name = str(role_name)
affected_nodes = Node.get_fqdns_by_role(role_name)
for n in affected_nodes:
if n in node_dict and role_name not in node_dict[n]:
node_dict[n].append(role_name)
elif n != node_fqdn:
node_dict[n] = [role_name]
affected_nodes = Node.get_fqdns_by_role(role_name,
is_service=False)
for n in affected_nodes:
if n not in node_dict:
node_dict[n] = []
svc_restart = ConfigClassParameter.\
get_by_name(ConfigClassParameter.VPX_RESTART_SERVICES)
for node_fqdn, role_to_restart in node_dict.iteritems():
if len(role_to_restart) > 0:
Override.update_or_create_override(Node.get_by_name(node_fqdn),
svc_restart, role_to_restart,
True)
return node_dict.keys()
def _test_method_assert_equal(testrunner, name, value):
config.set_config_parameter(name, value)
self.assertEqual(value, config.get_value_by_name(name))