charm-neutron-api/hooks/neutron_api_context.py
2015-06-30 09:26:51 +01:00

297 lines
9.9 KiB
Python

from charmhelpers.core.hookenv import (
config,
relation_ids,
related_units,
relation_get,
log,
)
from charmhelpers.contrib.openstack import context
from charmhelpers.contrib.hahelpers.cluster import (
determine_api_port,
determine_apache_port,
)
from charmhelpers.contrib.openstack.utils import (
os_release,
)
VLAN = 'vlan'
VXLAN = 'vxlan'
GRE = 'gre'
OVERLAY_NET_TYPES = [VXLAN, GRE]
def get_l2population():
plugin = config('neutron-plugin')
return config('l2-population') if plugin == "ovs" else False
def get_overlay_network_type():
overlay_networks = config('overlay-network-type').split()
for overlay_net in overlay_networks:
if overlay_net not in OVERLAY_NET_TYPES:
raise ValueError('Unsupported overlay-network-type %s'
% overlay_net)
return ','.join(overlay_networks)
def get_l3ha():
if config('enable-l3ha'):
if os_release('neutron-server') < 'juno':
log('Disabling L3 HA, enable-l3ha is not valid before Juno')
return False
if get_l2population():
log('Disabling L3 HA, l2-population must be disabled with L3 HA')
return False
return True
else:
return False
def get_dvr():
if config('enable-dvr'):
if os_release('neutron-server') < 'juno':
log('Disabling DVR, enable-dvr is not valid before Juno')
return False
if os_release('neutron-server') == 'juno':
if VXLAN not in config('overlay-network-type').split():
log('Disabling DVR, enable-dvr requires the use of the vxlan '
'overlay network for OpenStack Juno')
return False
if get_l3ha():
log('Disabling DVR, enable-l3ha must be disabled with dvr')
return False
if not get_l2population():
log('Disabling DVR, l2-population must be enabled to use dvr')
return False
return True
else:
return False
class ApacheSSLContext(context.ApacheSSLContext):
interfaces = ['https']
external_ports = []
service_namespace = 'neutron'
def __call__(self):
# late import to work around circular dependency
from neutron_api_utils import determine_ports
self.external_ports = determine_ports()
return super(ApacheSSLContext, self).__call__()
class IdentityServiceContext(context.IdentityServiceContext):
def __call__(self):
ctxt = super(IdentityServiceContext, self).__call__()
if not ctxt:
return
ctxt['region'] = config('region')
return ctxt
class NeutronCCContext(context.NeutronContext):
interfaces = []
@property
def network_manager(self):
return 'neutron'
@property
def plugin(self):
return config('neutron-plugin')
@property
def neutron_security_groups(self):
return config('neutron-security-groups')
@property
def neutron_l2_population(self):
return get_l2population()
@property
def neutron_overlay_network_type(self):
return get_overlay_network_type()
@property
def neutron_dvr(self):
return get_dvr()
@property
def neutron_l3ha(self):
return get_l3ha()
# Do not need the plugin agent installed on the api server
def _ensure_packages(self):
pass
# Do not need the flag on the api server
def _save_flag_file(self):
pass
def get_neutron_api_rel_settings(self):
settings = {}
for rid in relation_ids('neutron-api'):
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
cell_type = rdata.get('cell_type')
settings['nova_url'] = rdata.get('nova_url')
settings['restart_trigger'] = rdata.get('restart_trigger')
# If there are multiple nova-cloud-controllers joined to this
# service in a cell deployment then ignore the non-api cell
# ones
if cell_type and not cell_type == "api":
continue
if settings['nova_url']:
return settings
return settings
def __call__(self):
from neutron_api_utils import api_port
ctxt = super(NeutronCCContext, self).__call__()
if config('neutron-plugin') == 'nsx':
ctxt['nsx_username'] = config('nsx-username')
ctxt['nsx_password'] = config('nsx-password')
ctxt['nsx_tz_uuid'] = config('nsx-tz-uuid')
ctxt['nsx_l3_uuid'] = config('nsx-l3-uuid')
if 'nsx-controllers' in config():
ctxt['nsx_controllers'] = \
','.join(config('nsx-controllers').split())
ctxt['nsx_controllers_list'] = \
config('nsx-controllers').split()
ctxt['l2_population'] = self.neutron_l2_population
ctxt['enable_dvr'] = self.neutron_dvr
ctxt['l3_ha'] = self.neutron_l3ha
if self.neutron_l3ha:
ctxt['max_l3_agents_per_router'] = \
config('max-l3-agents-per-router')
ctxt['min_l3_agents_per_router'] = \
config('min-l3-agents-per-router')
ctxt['overlay_network_type'] = self.neutron_overlay_network_type
ctxt['external_network'] = config('neutron-external-network')
ctxt['verbose'] = config('verbose')
ctxt['debug'] = config('debug')
ctxt['neutron_bind_port'] = \
determine_api_port(api_port('neutron-server'),
singlenode_mode=True)
ctxt['quota_security_group'] = config('quota-security-group')
ctxt['quota_security_group_rule'] = \
config('quota-security-group-rule')
ctxt['quota_network'] = config('quota-network')
ctxt['quota_subnet'] = config('quota-subnet')
ctxt['quota_port'] = config('quota-port')
ctxt['quota_vip'] = config('quota-vip')
ctxt['quota_pool'] = config('quota-pool')
ctxt['quota_member'] = config('quota-member')
ctxt['quota_health_monitors'] = config('quota-health-monitors')
ctxt['quota_router'] = config('quota-router')
ctxt['quota_floatingip'] = config('quota-floatingip')
n_api_settings = self.get_neutron_api_rel_settings()
if n_api_settings:
ctxt.update(n_api_settings)
flat_providers = config('flat-network-providers')
if flat_providers:
ctxt['network_providers'] = ','.join(flat_providers.split())
vlan_ranges = config('vlan-ranges')
if vlan_ranges:
ctxt['vlan_ranges'] = ','.join(vlan_ranges.split())
return ctxt
class HAProxyContext(context.HAProxyContext):
interfaces = ['ceph']
def __call__(self):
'''
Extends the main charmhelpers HAProxyContext with a port mapping
specific to this charm.
Also used to extend nova.conf context with correct api_listening_ports
'''
from neutron_api_utils import api_port
ctxt = super(HAProxyContext, self).__call__()
# Apache ports
a_neutron_api = determine_apache_port(api_port('neutron-server'),
singlenode_mode=True)
port_mapping = {
'neutron-server': [
api_port('neutron-server'), a_neutron_api]
}
ctxt['neutron_bind_port'] = determine_api_port(
api_port('neutron-server'),
singlenode_mode=True,
)
# for haproxy.conf
ctxt['service_ports'] = port_mapping
return ctxt
class NeutronApiSDNContext(context.SubordinateConfigContext):
interfaces = 'neutron-plugin-api-subordinate'
def __init__(self):
super(NeutronApiSDNContext, self).__init__(
interface='neutron-plugin-api-subordinate',
service='neutron-api',
config_file='/etc/neutron/neutron.conf')
def __call__(self):
ctxt = super(NeutronApiSDNContext, self).__call__()
defaults = {
'core-plugin': {
'templ_key': 'core_plugin',
'value': 'neutron.plugins.ml2.plugin.Ml2Plugin',
},
'neutron-plugin-config': {
'templ_key': 'neutron_plugin_config',
'value': '/etc/neutron/plugins/ml2/ml2_conf.ini',
},
'service-plugins': {
'templ_key': 'service_plugins',
'value': 'router,firewall,lbaas,vpnaas,metering',
},
'restart-trigger': {
'templ_key': 'restart_trigger',
'value': '',
},
}
for rid in relation_ids('neutron-plugin-api-subordinate'):
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
plugin = rdata.get('neutron-plugin')
if not plugin:
continue
ctxt['neutron_plugin'] = plugin
for key in defaults.keys():
remote_value = rdata.get(key)
ctxt_key = defaults[key]['templ_key']
if remote_value:
ctxt[ctxt_key] = remote_value
else:
ctxt[ctxt_key] = defaults[key]['value']
return ctxt
return ctxt
class NeutronApiSDNConfigFileContext(context.OSContextGenerator):
interfaces = ['neutron-plugin-api-subordinate']
def __call__(self):
for rid in relation_ids('neutron-plugin-api-subordinate'):
for unit in related_units(rid):
rdata = relation_get(rid=rid, unit=unit)
neutron_server_plugin_conf = rdata.get('neutron-plugin-config')
if neutron_server_plugin_conf:
return {'config': neutron_server_plugin_conf}
return {'config': '/etc/neutron/plugins/ml2/ml2_conf.ini'}