def run(self):
server = agent_utils.UnixDomainWSGIServer(
constants.AGENT_PROCESS_METADATA)
# Set the default metadata_workers if not yet set in the config file
md_workers = self.conf.metadata_workers
if md_workers is None:
md_workers = host.cpu_count() // 2
server.start(MetadataProxyHandler(self.conf),
self.conf.metadata_proxy_socket,
workers=md_workers,
backlog=self.conf.metadata_backlog,
mode=self._get_socket_mode())
self._init_state_reporting()
server.wait()
def cpu_count():
return host.cpu_count()
GROUP_MODE = 'group'
ALL_MODE = 'all'
SOCKET_MODES = (DEDUCE_MODE, USER_MODE, GROUP_MODE, ALL_MODE)
UNIX_DOMAIN_METADATA_PROXY_OPTS = [
cfg.StrOpt('metadata_proxy_socket_mode',
default=DEDUCE_MODE,
choices=SOCKET_MODES,
help=_("Metadata Proxy UNIX domain socket mode, 4 values "
"allowed: "
"'deduce': deduce mode from metadata_proxy_user/group "
"values, "
"'user': set metadata proxy socket mode to 0o644, to "
"use when metadata_proxy_user is agent effective user "
"or root, "
"'group': set metadata proxy socket mode to 0o664, to "
"use when metadata_proxy_group is agent effective "
"group or root, "
"'all': set metadata proxy socket mode to 0o666, to use "
"otherwise.")),
cfg.IntOpt('metadata_workers',
default=host.cpu_count() // 2,
help=_('Number of separate worker processes for metadata '
'server (defaults to half of the number of CPUs)')),
cfg.IntOpt('metadata_backlog',
default=4096,
help=_('Number of backlog requests to configure the '
'metadata server socket with'))
]
UNIX_DOMAIN_METADATA_PROXY_OPTS = [
cfg.StrOpt('metadata_proxy_socket_mode',
default=DEDUCE_MODE,
choices=SOCKET_MODES,
help=_("Metadata Proxy UNIX domain socket mode, 4 values "
"allowed: "
"'deduce': deduce mode from metadata_proxy_user/group "
"values, "
"'user': set metadata proxy socket mode to 0o644, to "
"use when metadata_proxy_user is agent effective user "
"or root, "
"'group': set metadata proxy socket mode to 0o664, to "
"use when metadata_proxy_group is agent effective "
"group or root, "
"'all': set metadata proxy socket mode to 0o666, to use "
"otherwise.")),
cfg.IntOpt('metadata_workers',
default=host.cpu_count() // 2,
help=_('Number of separate worker processes for metadata '
'server (defaults to half of the number of CPUs)')),
cfg.IntOpt('metadata_backlog',
default=4096,
help=_('Number of backlog requests to configure the '
'metadata server socket with'))
]
def register_meta_conf_opts(opts, cfg=cfg.CONF):
cfg.register_opts(opts)
def cpu_count():
return host.cpu_count()
cfg.StrOpt('ha_confs_path',
default='$state_path/ha_confs',
help=_('Location to store keepalived/conntrackd '
'config files')),
cfg.StrOpt('ha_vrrp_auth_type',
default='PASS',
choices=keepalived.VALID_AUTH_TYPES,
help=_('VRRP authentication type')),
cfg.StrOpt('ha_vrrp_auth_password',
help=_('VRRP authentication password'),
secret=True),
cfg.IntOpt('ha_vrrp_advert_int',
default=2,
help=_('The advertisement interval in seconds')),
cfg.IntOpt('ha_keepalived_state_change_server_threads',
default=(1 + host.cpu_count()) // 2,
sample_default='(1 + <num_of_cpus>) / 2',
min=1,
help=_('Number of concurrent threads for '
'keepalived server connection requests. '
'More threads create a higher CPU load '
'on the agent node.')),
cfg.IntOpt('ha_vrrp_health_check_interval',
default=0,
help=_('The VRRP health check interval in seconds. Values > 0 '
'enable VRRP health checks. Setting it to 0 disables '
'VRRP health checks. Recommended value is 5. '
'This will cause pings to be sent to the gateway '
'IP address(es) - requires ICMP_ECHO_REQUEST '
'to be enabled on the gateway. '
'If gateway fails, all routers will be reported '
OPTS = [
cfg.StrOpt('ha_confs_path',
default='$state_path/ha_confs',
help=_('Location to store keepalived/conntrackd '
'config files')),
cfg.StrOpt('ha_vrrp_auth_type',
default='PASS',
choices=keepalived.VALID_AUTH_TYPES,
help=_('VRRP authentication type')),
cfg.StrOpt('ha_vrrp_auth_password',
help=_('VRRP authentication password'),
secret=True),
cfg.IntOpt('ha_vrrp_advert_int',
default=2,
help=_('The advertisement interval in seconds')),
cfg.IntOpt('ha_keepalived_state_change_server_threads',
default=(1 + host.cpu_count()) // 2,
sample_default='(1 + <num_of_cpus>) / 2',
min=1,
help=_('Number of concurrent threads for '
'keepalived server connection requests. '
'More threads create a higher CPU load '
'on the agent node.')),
]
def register_l3_agent_ha_opts(cfg=cfg.CONF):
cfg.register_opts(OPTS)
def test_cpu_count_not_implemented(self, mock_cpu_count):
self.assertEqual(1, host.cpu_count())
mock_cpu_count.assert_called_once_with()
def test_cpu_count(self, mock_cpu_count):
self.assertEqual(7, host.cpu_count())
mock_cpu_count.assert_called_once_with()
def test_cpu_count_not_implemented(self, mock_cpu_count):
self.assertEqual(1, host.cpu_count())
mock_cpu_count.assert_called_once_with()
def test_cpu_count(self, mock_cpu_count):
self.assertEqual(7, host.cpu_count())
mock_cpu_count.assert_called_once_with()
