charm-interface-neutron-plu.../provides.py

83 lines
3.1 KiB
Python

import uuid
import json
from charms.reactive import hook
from charms.reactive import RelationBase
from charms.reactive import scopes
class NeutronPluginAPISubordinate(RelationBase):
scope = scopes.GLOBAL
@hook(
'{provides:neutron-plugin-api-subordinate}-relation-{joined,changed}')
def changed(self):
"""Set connected state"""
self.set_state('{relation_name}.connected')
self.set_state('{relation_name}.available')
@hook(
'{provides:neutron-plugin-api-subordinate}-relation-{broken,departed}')
def broken(self):
"""Remove connected state"""
self.remove_state('{relation_name}.available')
self.remove_state('{relation_name}.connected')
def configure_plugin(self, neutron_plugin=None, core_plugin=None,
neutron_plugin_config=None, service_plugins=None,
subordinate_configuration=None):
"""Send principle plugin information
:param neutron_plugin: str Neutron plugin name eg odl
:param core_plugin: str eg neutron.plugins.ml2.plugin.Ml2Plugin
:param neutron-plugin-config: str /etc/neutron/plugins/ml2/ml2_conf.ini
:param service-plugins str: Comma delimited list of service plugins eg
router,firewall,lbaas,vpnaas,metering
:param subordinate_configuration dict: Configuration for the principle
to inject into a configuration
file it is managing eg:
# Add sections and tuples to insert values into neutron-server's
# neutron.conf e.g.
# {
# "neutron-api": {
# "/etc/neutron/neutron.conf": {
# "sections": {
# 'DEFAULT': [
# ('key1', 'val1')
# ('key2', 'val2')
# ],
# 'agent': [
# ('key3', 'val3')
# ],
# }
# }
# }
# }
"""
conversation = self.conversation()
relation_info = {
'neutron-plugin': neutron_plugin,
'core-plugin': core_plugin,
'neutron-plugin-config': neutron_plugin_config,
'service-plugins': service_plugins,
'subordinate_configuration': json.dumps(subordinate_configuration),
}
conversation.set_remote(**relation_info)
def request_restart(self, service_type=None):
"""Request a restart of a set of remote services
:param service_type: string Service types to be restarted eg 'neutron'.
If ommitted a request to restart all
services is sent
"""
if service_type:
key = 'restart-trigger-{}'.format(service_type)
else:
key = 'restart-trigger'
relation_info = {
key: str(uuid.uuid4()),
}
print(relation_info)
self.set_remote(**relation_info)