158 lines
4.7 KiB
Python
158 lines
4.7 KiB
Python
from charmhelpers.contrib.openstack.neutron import neutron_plugin_attribute
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from copy import deepcopy
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from charmhelpers.contrib.openstack import context, templating
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from collections import OrderedDict
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from charmhelpers.contrib.openstack.utils import (
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os_release,
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)
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import neutron_ovs_context
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from charmhelpers.contrib.network.ovs import (
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add_bridge,
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add_bridge_port,
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full_restart,
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)
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from charmhelpers.core.hookenv import (
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config,
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)
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from charmhelpers.contrib.openstack.neutron import (
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parse_bridge_mappings,
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)
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from charmhelpers.contrib.openstack.context import (
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ExternalPortContext,
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DataPortContext,
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)
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from charmhelpers.core.host import (
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service_restart,
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service_running,
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)
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NOVA_CONF_DIR = "/etc/nova"
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NEUTRON_CONF_DIR = "/etc/neutron"
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NEUTRON_CONF = '%s/neutron.conf' % NEUTRON_CONF_DIR
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NEUTRON_DEFAULT = '/etc/default/neutron-server'
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NEUTRON_L3_AGENT_CONF = "/etc/neutron/l3_agent.ini"
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NEUTRON_FWAAS_CONF = "/etc/neutron/fwaas_driver.ini"
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ML2_CONF = '%s/plugins/ml2/ml2_conf.ini' % NEUTRON_CONF_DIR
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EXT_PORT_CONF = '/etc/init/ext-port.conf'
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NEUTRON_METADATA_AGENT_CONF = "/etc/neutron/metadata_agent.ini"
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DVR_PACKAGES = ['neutron-l3-agent']
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PHY_NIC_MTU_CONF = '/etc/init/os-charm-phy-nic-mtu.conf'
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TEMPLATES = 'templates/'
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BASE_RESOURCE_MAP = OrderedDict([
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(NEUTRON_CONF, {
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'services': ['neutron-plugin-openvswitch-agent'],
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'contexts': [neutron_ovs_context.OVSPluginContext(),
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context.AMQPContext(ssl_dir=NEUTRON_CONF_DIR)],
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}),
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(ML2_CONF, {
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'services': ['neutron-plugin-openvswitch-agent'],
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'contexts': [neutron_ovs_context.OVSPluginContext()],
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}),
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(PHY_NIC_MTU_CONF, {
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'services': ['os-charm-phy-nic-mtu'],
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'contexts': [context.PhyNICMTUContext()],
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}),
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])
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DVR_RESOURCE_MAP = OrderedDict([
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(NEUTRON_L3_AGENT_CONF, {
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'services': ['neutron-l3-agent'],
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'contexts': [neutron_ovs_context.L3AgentContext()],
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}),
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(NEUTRON_FWAAS_CONF, {
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'services': ['neutron-l3-agent'],
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'contexts': [neutron_ovs_context.L3AgentContext()],
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}),
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(EXT_PORT_CONF, {
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'services': ['neutron-l3-agent'],
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'contexts': [context.ExternalPortContext()],
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}),
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(NEUTRON_METADATA_AGENT_CONF, {
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'services': ['neutron-metadata-agent'],
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'contexts': [neutron_ovs_context.DVRSharedSecretContext(),
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neutron_ovs_context.APIIdentityServiceContext()],
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}),
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])
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TEMPLATES = 'templates/'
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INT_BRIDGE = "br-int"
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EXT_BRIDGE = "br-ex"
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DATA_BRIDGE = 'br-data'
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def determine_dvr_packages():
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if use_dvr():
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return DVR_PACKAGES
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return []
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def determine_packages():
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pkgs = neutron_plugin_attribute('ovs', 'packages', 'neutron')
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pkgs.extend(determine_dvr_packages())
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return pkgs
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def register_configs(release=None):
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release = release or os_release('neutron-common', base='icehouse')
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configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
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openstack_release=release)
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for cfg, rscs in resource_map().iteritems():
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configs.register(cfg, rscs['contexts'])
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return configs
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def resource_map():
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'''
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Dynamically generate a map of resources that will be managed for a single
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hook execution.
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'''
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resource_map = deepcopy(BASE_RESOURCE_MAP)
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if use_dvr():
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resource_map.update(DVR_RESOURCE_MAP)
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dvr_services = ['neutron-metadata-agent', 'neutron-l3-agent']
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resource_map[NEUTRON_CONF]['services'] += dvr_services
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return resource_map
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def restart_map():
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'''
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Constructs a restart map based on charm config settings and relation
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state.
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'''
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return {k: v['services'] for k, v in resource_map().iteritems()}
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def configure_ovs():
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if not service_running('openvswitch-switch'):
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full_restart()
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add_bridge(INT_BRIDGE)
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add_bridge(EXT_BRIDGE)
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ext_port_ctx = None
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if use_dvr():
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ext_port_ctx = ExternalPortContext()()
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if ext_port_ctx and ext_port_ctx['ext_port']:
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add_bridge_port(EXT_BRIDGE, ext_port_ctx['ext_port'])
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portmaps = DataPortContext()()
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bridgemaps = parse_bridge_mappings(config('bridge-mappings'))
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for provider, br in bridgemaps.iteritems():
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add_bridge(br)
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if not portmaps or br not in portmaps:
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continue
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add_bridge_port(br, portmaps[br], promisc=True)
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# Ensure this runs so that mtu is applied to data-port interfaces if
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# provided.
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service_restart('os-charm-phy-nic-mtu')
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def get_shared_secret():
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ctxt = neutron_ovs_context.DVRSharedSecretContext()()
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if 'shared_secret' in ctxt:
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return ctxt['shared_secret']
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def use_dvr():
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return context.NeutronAPIContext()()['enable_dvr']
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