charm-neutron-openvswitch/hooks/neutron_ovs_utils.py
2014-06-11 09:44:51 +00:00

62 lines
1.9 KiB
Python

from charmhelpers.contrib.openstack.neutron import neutron_plugin_attribute
from copy import deepcopy
from charmhelpers.contrib.openstack import context, templating
from collections import OrderedDict
from charmhelpers.contrib.openstack.utils import (
os_release,
)
import neutron_ovs_context
from charmhelpers.core.hookenv import is_relation_made
NOVA_CONF_DIR = "/etc/nova"
NEUTRON_CONF_DIR = "/etc/neutron"
NEUTRON_CONF = '%s/neutron.conf' % NEUTRON_CONF_DIR
NEUTRON_DEFAULT = '/etc/default/neutron-server'
ML2_CONF = '%s/plugins/ml2/ml2_conf.ini' % NEUTRON_CONF_DIR
BASE_RESOURCE_MAP = OrderedDict([
(NEUTRON_CONF, {
'services': ['neutron-plugin-openvswitch-agent'],
'contexts': [neutron_ovs_context.OVSPluginContext(),
context.AMQPContext()],
}),
(ML2_CONF, {
'services': ['neutron-plugin-openvswitch-agent'],
'contexts': [neutron_ovs_context.OVSPluginContext()],
}),
])
TEMPLATES = 'templates/'
def determine_packages():
ovs_pkgs = []
pkgs = neutron_plugin_attribute('ovs', 'packages',
'neutron')
for pkg in pkgs:
ovs_pkgs.extend(pkg)
return set(ovs_pkgs)
def register_configs(release=None):
release = release or os_release('nova-common')
configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
openstack_release=release)
for cfg, rscs in resource_map().iteritems():
configs.register(cfg, rscs['contexts'])
return configs
def resource_map():
'''
Dynamically generate a map of resources that will be managed for a single
hook execution.
'''
resource_map = deepcopy(BASE_RESOURCE_MAP)
return resource_map
def restart_map():
'''
Constructs a restart map based on charm config settings and relation
state.
'''
return {k: v['services'] for k, v in resource_map().iteritems()}