openstack/octavia
Code Issues Proposed changes

Merge "Reduce duration of failovers with amphora in ERROR" into stable/xena

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This commit is contained in:
Zuul 2023-10-16 09:16:54 +00:00 committed by Gerrit Code Review
commit 3b3698782f
18 changed files with 745 additions and 102 deletions
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16
octavia/amphorae/drivers/driver_base.py
View File

@ -14,6 +14,9 @@
# under the License.
import abc
from typing import Optional
from octavia.db import models as db_models
class AmphoraLoadBalancerDriver(object, metaclass=abc.ABCMeta):
@ -231,6 +234,19 @@ class AmphoraLoadBalancerDriver(object, metaclass=abc.ABCMeta):
:type timeout_dict: dict
"""
@abc.abstractmethod
def check(self, amphora: db_models.Amphora,
timeout_dict: Optional[dict] = None):
"""Check connectivity to the amphora.
:param amphora: The amphora to query.
:param timeout_dict: Dictionary of timeout values for calls to the
amphora. May contain: req_conn_timeout,
req_read_timeout, conn_max_retries,
conn_retry_interval
:raises TimeOutException: The amphora didn't reply
"""
class VRRPDriverMixin(object, metaclass=abc.ABCMeta):
"""Abstract mixin class for VRRP support in loadbalancer amphorae

23
octavia/amphorae/drivers/haproxy/rest_api_driver.py
View File

@ -17,6 +17,7 @@ import hashlib
import os
import ssl
import time
from typing import Optional
import warnings
from oslo_context import context as oslo_context
@ -38,6 +39,7 @@ from octavia.common.jinja.lvs import jinja_cfg as jinja_udp_cfg
from octavia.common.tls_utils import cert_parser
from octavia.common import utils
from octavia.db import api as db_apis
from octavia.db import models as db_models
from octavia.db import repositories as repo
from octavia.network import data_models as network_models
@ -115,6 +117,11 @@ class HaproxyAmphoraLoadBalancerDriver(
amphora.id, amphora.api_version)
return list(map(int, amphora.api_version.split('.')))
def check(self, amphora: db_models.Amphora,
timeout_dict: Optional[dict] = None):
"""Check connectivity to the amphora."""
self._populate_amphora_api_version(amphora, timeout_dict)
def update_amphora_listeners(self, loadbalancer, amphora,
timeout_dict=None):
"""Update the amphora with a new configuration.
@ -635,15 +642,15 @@ class HaproxyAmphoraLoadBalancerDriver(
req_read_timeout, conn_max_retries,
conn_retry_interval
:type timeout_dict: dict
:returns: None if not found, the interface name string if found.
:returns: the interface name string if found.
:raises octavia.amphorae.drivers.haproxy.exceptions.NotFound:
No interface found on the amphora
:raises TimeOutException: The amphora didn't reply
"""
try:
self._populate_amphora_api_version(amphora, timeout_dict)
response_json = self.clients[amphora.api_version].get_interface(
amphora, ip_address, timeout_dict, log_error=False)
return response_json.get('interface', None)
except (exc.NotFound, driver_except.TimeOutException):
return None
self._populate_amphora_api_version(amphora, timeout_dict)
response_json = self.clients[amphora.api_version].get_interface(
amphora, ip_address, timeout_dict, log_error=False)
return response_json.get('interface', None)
# Check a custom hostname

3
octavia/amphorae/drivers/noop_driver/driver.py
View File

@ -195,3 +195,6 @@ class NoopAmphoraLoadBalancerDriver(
def reload_vrrp_service(self, loadbalancer):
pass
def check(self, amphora, timeout_dict=None):
pass

4
octavia/common/constants.py
View File

@ -310,6 +310,7 @@ AMPHORA_INDEX = 'amphora_index'
AMPHORA_NETWORK_CONFIG = 'amphora_network_config'
AMPHORAE = 'amphorae'
AMPHORAE_NETWORK_CONFIG = 'amphorae_network_config'
AMPHORAE_STATUS = 'amphorae_status'
AMPS_DATA = 'amps_data'
ANTI_AFFINITY = 'anti-affinity'
ATTEMPT_NUMBER = 'attempt_number'
@ -381,6 +382,7 @@ MESSAGE = 'message'
NAME = 'name'
NETWORK = 'network'
NETWORK_ID = 'network_id'
NEW_AMPHORA_ID = 'new_amphora_id'
NEXTHOP = 'nexthop'
NICS = 'nics'
OBJECT = 'object'
@ -427,6 +429,7 @@ TLS_CERTIFICATE_ID = 'tls_certificate_id'
TLS_CONTAINER_ID = 'tls_container_id'
TOPOLOGY = 'topology'
TOTAL_CONNECTIONS = 'total_connections'
UNREACHABLE = 'unreachable'
UPDATED_AT = 'updated_at'
UPDATE_DICT = 'update_dict'
UPDATED_PORTS = 'updated_ports'
@ -554,6 +557,7 @@ ADMIN_DOWN_PORT = 'admin-down-port'
AMPHORA_POST_VIP_PLUG = 'amphora-post-vip-plug'
AMPHORA_RELOAD_LISTENER = 'amphora-reload-listener'
AMPHORA_TO_ERROR_ON_REVERT = 'amphora-to-error-on-revert'
AMPHORAE_GET_CONNECTIVITY_STATUS = 'amphorae-get-connectivity-status'
AMPHORAE_POST_NETWORK_PLUG = 'amphorae-post-network-plug'
ATTACH_PORT = 'attach-port'
CALCULATE_AMPHORA_DELTA = 'calculate-amphora-delta'

43
octavia/controller/worker/v1/flows/amphora_flows.py
View File

@ -240,7 +240,8 @@ class AmphoraFlows(object):
return delete_amphora_flow
def get_vrrp_subflow(self, prefix, timeout_dict=None,
create_vrrp_group=True):
create_vrrp_group=True,
get_amphorae_status=True):
sf_name = prefix + '-' + constants.GET_VRRP_SUBFLOW
vrrp_subflow = linear_flow.Flow(sf_name)
@ -256,6 +257,17 @@ class AmphoraFlows(object):
requires=constants.LOADBALANCER_ID,
provides=constants.AMPHORAE_NETWORK_CONFIG))
if get_amphorae_status:
# Get the amphorae_status dict in case the caller hasn't fetched
# it yet.
vrrp_subflow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=constants.AMPHORAE_GET_CONNECTIVITY_STATUS,
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
inject={constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMPHORAE_STATUS))
# VRRP update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -266,7 +278,7 @@ class AmphoraFlows(object):
amp_0_subflow.add(amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface(
name=sf_name + '-0-' + constants.AMP_UPDATE_VRRP_INTF,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMP_VRRP_INT))
@ -275,13 +287,13 @@ class AmphoraFlows(object):
name=sf_name + '-0-' + constants.AMP_VRRP_UPDATE,
requires=(constants.LOADBALANCER_ID,
constants.AMPHORAE_NETWORK_CONFIG, constants.AMPHORAE,
constants.AMP_VRRP_INT),
constants.AMPHORAE_STATUS, constants.AMP_VRRP_INT),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
amp_0_subflow.add(amphora_driver_tasks.AmphoraIndexVRRPStart(
name=sf_name + '-0-' + constants.AMP_VRRP_START,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
@ -289,7 +301,7 @@ class AmphoraFlows(object):
amp_1_subflow.add(amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface(
name=sf_name + '-1-' + constants.AMP_UPDATE_VRRP_INTF,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMP_VRRP_INT))
@ -298,12 +310,12 @@ class AmphoraFlows(object):
name=sf_name + '-1-' + constants.AMP_VRRP_UPDATE,
requires=(constants.LOADBALANCER_ID,
constants.AMPHORAE_NETWORK_CONFIG, constants.AMPHORAE,
constants.AMP_VRRP_INT),
constants.AMPHORAE_STATUS, constants.AMP_VRRP_INT),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
amp_1_subflow.add(amphora_driver_tasks.AmphoraIndexVRRPStart(
name=sf_name + '-1-' + constants.AMP_VRRP_START,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
@ -551,6 +563,14 @@ class AmphoraFlows(object):
constants.CONN_RETRY_INTERVAL:
CONF.haproxy_amphora.active_connection_rety_interval}
failover_amp_flow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=constants.AMPHORAE_GET_CONNECTIVITY_STATUS,
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
inject={constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMPHORAE_STATUS))
# Listeners update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -561,7 +581,8 @@ class AmphoraFlows(object):
update_amps_subflow.add(
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=str(amp_index) + '-' + constants.AMP_LISTENER_UPDATE,
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: amp_index,
constants.TIMEOUT_DICT: timeout_dict}))
@ -571,7 +592,8 @@ class AmphoraFlows(object):
if lb_amp_count == 2:
failover_amp_flow.add(
self.get_vrrp_subflow(constants.GET_VRRP_SUBFLOW,
timeout_dict, create_vrrp_group=False))
timeout_dict, create_vrrp_group=False,
get_amphorae_status=False))
# Reload the listener. This needs to be done here because
# it will create the required haproxy check scripts for
@ -587,7 +609,8 @@ class AmphoraFlows(object):
amphora_driver_tasks.AmphoraIndexListenersReload(
name=(str(amp_index) + '-' +
constants.AMPHORA_RELOAD_LISTENER),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: amp_index,
constants.TIMEOUT_DICT: timeout_dict}))

17
octavia/controller/worker/v1/flows/load_balancer_flows.py
View File

@ -621,6 +621,14 @@ class LoadBalancerFlows(object):
requires=constants.LOADBALANCER_ID,
provides=constants.AMPHORAE))
failover_LB_flow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=(new_amp_role + '-' +
constants.AMPHORAE_GET_CONNECTIVITY_STATUS),
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
provides=constants.AMPHORAE_STATUS))
# Listeners update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -635,14 +643,16 @@ class LoadBalancerFlows(object):
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=(constants.AMPHORA + '-0-' +
constants.AMP_LISTENER_UPDATE),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
update_amps_subflow.add(
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=(constants.AMPHORA + '-1-' +
constants.AMP_LISTENER_UPDATE),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
@ -651,7 +661,8 @@ class LoadBalancerFlows(object):
# Configure and enable keepalived in the amphora
failover_LB_flow.add(self.amp_flows.get_vrrp_subflow(
new_amp_role + '-' + constants.GET_VRRP_SUBFLOW,
timeout_dict, create_vrrp_group=False))
timeout_dict, create_vrrp_group=False,
get_amphorae_status=False))
# #### End of standby ####

94
octavia/controller/worker/v1/tasks/amphora_driver_tasks.py
View File

@ -12,6 +12,8 @@
# License for the specific language governing permissions and limitations
# under the License.
#
from typing import List
from typing import Optional
from cryptography import fernet
from oslo_config import cfg
@ -73,10 +75,18 @@ class AmphoraIndexListenerUpdate(BaseAmphoraTask):
"""Task to update the listeners on one amphora."""
def execute(self, loadbalancer, amphora_index, amphorae,
timeout_dict=None):
amphorae_status: dict, timeout_dict=None):
# Note, we don't want this to cause a revert as it may be used
# in a failover flow with both amps failing. Skip it and let
# health manager fix it.
amphora_id = amphorae[amphora_index].id
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping listener update because amphora %s "
"is not reachable.", amphora_id)
return
try:
# Make sure we have a fresh load balancer object
loadbalancer = self.loadbalancer_repo.get(db_apis.get_session(),
@ -84,7 +94,6 @@ class AmphoraIndexListenerUpdate(BaseAmphoraTask):
self.amphora_driver.update_amphora_listeners(
loadbalancer, amphorae[amphora_index], timeout_dict)
except Exception as e:
amphora_id = amphorae[amphora_index].id
LOG.error('Failed to update listeners on amphora %s. Skipping '
'this amphora as it is failing to update due to: %s',
amphora_id, str(e))
@ -129,14 +138,23 @@ class AmphoraIndexListenersReload(BaseAmphoraTask):
"""Task to reload all listeners on an amphora."""
def execute(self, loadbalancer, amphora_index, amphorae,
timeout_dict=None):
amphorae_status: dict, timeout_dict=None):
"""Execute listener reload routines for listeners on an amphora."""
if amphorae is None:
return
amphora_id = amphorae[amphora_index].id
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping listener reload because amphora %s "
"is not reachable.", amphora_id)
return
if loadbalancer.listeners:
try:
self.amphora_driver.reload(
loadbalancer, amphorae[amphora_index], timeout_dict)
except Exception as e:
amphora_id = amphorae[amphora_index].id
LOG.warning('Failed to reload listeners on amphora %s. '
'Skipping this amphora as it is failing to '
'reload due to: %s', amphora_id, str(e))
@ -305,8 +323,15 @@ class AmphoraUpdateVRRPInterface(BaseAmphoraTask):
class AmphoraIndexUpdateVRRPInterface(BaseAmphoraTask):
"""Task to get and update the VRRP interface device name from amphora."""
def execute(self, amphora_index, amphorae, timeout_dict=None):
def execute(self, amphora_index, amphorae, amphorae_status: dict,
timeout_dict=None):
amphora_id = amphorae[amphora_index].id
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP interface update because amphora %s "
"is not reachable.", amphora_id)
return None
try:
interface = self.amphora_driver.get_interface_from_ip(
amphorae[amphora_index], amphorae[amphora_index].vrrp_ip,
@ -354,14 +379,21 @@ class AmphoraIndexVRRPUpdate(BaseAmphoraTask):
"""Task to update the VRRP configuration of an amphora."""
def execute(self, loadbalancer_id, amphorae_network_config, amphora_index,
amphorae, amp_vrrp_int, timeout_dict=None):
amphorae, amphorae_status: dict, amp_vrrp_int: Optional[str],
timeout_dict=None):
"""Execute update_vrrp_conf."""
loadbalancer = self.loadbalancer_repo.get(db_apis.get_session(),
id=loadbalancer_id)
# Note, we don't want this to cause a revert as it may be used
# in a failover flow with both amps failing. Skip it and let
# health manager fix it.
amphora_id = amphorae[amphora_index].id
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP configuration because amphora %s "
"is not reachable.", amphora_id)
return
loadbalancer = self.loadbalancer_repo.get(db_apis.get_session(),
id=loadbalancer_id)
amphorae[amphora_index].vrrp_interface = amp_vrrp_int
try:
self.amphora_driver.update_vrrp_conf(
@ -394,8 +426,15 @@ class AmphoraIndexVRRPStart(BaseAmphoraTask):
This will reload keepalived if it is already running.
"""
def execute(self, amphora_index, amphorae, timeout_dict=None):
def execute(self, amphora_index, amphorae, amphorae_status: dict,
timeout_dict=None):
amphora_id = amphorae[amphora_index].id
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP start because amphora %s "
"is not reachable.", amphora_id)
return
try:
self.amphora_driver.start_vrrp_service(amphorae[amphora_index],
timeout_dict)
@ -451,3 +490,40 @@ class AmphoraConfigUpdate(BaseAmphoraTask):
LOG.error('Amphora %s does not support agent configuration '
'update. Please update the amphora image for this '
'amphora. Skipping.', amphora.id)
class AmphoraeGetConnectivityStatus(BaseAmphoraTask):
"""Task that checks amphorae connectivity status.
Check and return the connectivity status of both amphorae in ACTIVE STANDBY
load balancers
"""
def execute(self, amphorae: List[dict], new_amphora_id: str,
timeout_dict=None):
amphorae_status = {}
for amphora in amphorae:
amphora_id = amphora.id
amphorae_status[amphora_id] = {}
session = db_apis.get_session()
with session.begin():
db_amp = self.amphora_repo.get(session, id=amphora_id)
try:
# Verify if the amphora is reachable
self.amphora_driver.check(db_amp, timeout_dict=timeout_dict)
except Exception as e:
LOG.exception("Cannot get status for amphora %s",
amphora_id)
# In case it fails and the tested amphora is the newly created
# amphora, it's not a normal error handling, re-raise the
# exception
if amphora_id == new_amphora_id:
raise e
amphorae_status[amphora_id][constants.UNREACHABLE] = True
else:
amphorae_status[amphora_id][constants.UNREACHABLE] = False
return amphorae_status

43
octavia/controller/worker/v2/flows/amphora_flows.py
View File

@ -226,7 +226,8 @@ class AmphoraFlows(object):
return delete_amphora_flow
def get_vrrp_subflow(self, prefix, timeout_dict=None,
create_vrrp_group=True):
create_vrrp_group=True,
get_amphorae_status=True):
sf_name = prefix + '-' + constants.GET_VRRP_SUBFLOW
vrrp_subflow = linear_flow.Flow(sf_name)
@ -242,6 +243,17 @@ class AmphoraFlows(object):
requires=constants.LOADBALANCER_ID,
provides=constants.AMPHORAE_NETWORK_CONFIG))
if get_amphorae_status:
# Get the amphorae_status dict in case the caller hasn't fetched
# it yet.
vrrp_subflow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=constants.AMPHORAE_GET_CONNECTIVITY_STATUS,
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
inject={constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMPHORAE_STATUS))
# VRRP update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -252,7 +264,7 @@ class AmphoraFlows(object):
amp_0_subflow.add(amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface(
name=sf_name + '-0-' + constants.AMP_UPDATE_VRRP_INTF,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMP_VRRP_INT))
@ -261,13 +273,13 @@ class AmphoraFlows(object):
name=sf_name + '-0-' + constants.AMP_VRRP_UPDATE,
requires=(constants.LOADBALANCER_ID,
constants.AMPHORAE_NETWORK_CONFIG, constants.AMPHORAE,
constants.AMP_VRRP_INT),
constants.AMPHORAE_STATUS, constants.AMP_VRRP_INT),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
amp_0_subflow.add(amphora_driver_tasks.AmphoraIndexVRRPStart(
name=sf_name + '-0-' + constants.AMP_VRRP_START,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
@ -275,7 +287,7 @@ class AmphoraFlows(object):
amp_1_subflow.add(amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface(
name=sf_name + '-1-' + constants.AMP_UPDATE_VRRP_INTF,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMP_VRRP_INT))
@ -284,12 +296,12 @@ class AmphoraFlows(object):
name=sf_name + '-1-' + constants.AMP_VRRP_UPDATE,
requires=(constants.LOADBALANCER_ID,
constants.AMPHORAE_NETWORK_CONFIG, constants.AMPHORAE,
constants.AMP_VRRP_INT),
constants.AMPHORAE_STATUS, constants.AMP_VRRP_INT),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
amp_1_subflow.add(amphora_driver_tasks.AmphoraIndexVRRPStart(
name=sf_name + '-1-' + constants.AMP_VRRP_START,
requires=constants.AMPHORAE,
requires=(constants.AMPHORAE, constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
@ -537,6 +549,14 @@ class AmphoraFlows(object):
constants.CONN_RETRY_INTERVAL:
CONF.haproxy_amphora.active_connection_rety_interval}
failover_amp_flow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=constants.AMPHORAE_GET_CONNECTIVITY_STATUS,
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
inject={constants.TIMEOUT_DICT: timeout_dict},
provides=constants.AMPHORAE_STATUS))
# Listeners update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -547,7 +567,8 @@ class AmphoraFlows(object):
update_amps_subflow.add(
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=str(amp_index) + '-' + constants.AMP_LISTENER_UPDATE,
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: amp_index,
constants.TIMEOUT_DICT: timeout_dict}))
@ -557,7 +578,8 @@ class AmphoraFlows(object):
if lb_amp_count == 2:
failover_amp_flow.add(
self.get_vrrp_subflow(constants.GET_VRRP_SUBFLOW,
timeout_dict, create_vrrp_group=False))
timeout_dict, create_vrrp_group=False,
get_amphorae_status=False))
# Reload the listener. This needs to be done here because
# it will create the required haproxy check scripts for
@ -573,7 +595,8 @@ class AmphoraFlows(object):
amphora_driver_tasks.AmphoraIndexListenersReload(
name=(str(amp_index) + '-' +
constants.AMPHORA_RELOAD_LISTENER),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: amp_index,
constants.TIMEOUT_DICT: timeout_dict}))

17
octavia/controller/worker/v2/flows/load_balancer_flows.py
View File

@ -611,6 +611,14 @@ class LoadBalancerFlows(object):
requires=constants.LOADBALANCER_ID,
provides=constants.AMPHORAE))
failover_LB_flow.add(
amphora_driver_tasks.AmphoraeGetConnectivityStatus(
name=(new_amp_role + '-' +
constants.AMPHORAE_GET_CONNECTIVITY_STATUS),
requires=constants.AMPHORAE,
rebind={constants.NEW_AMPHORA_ID: constants.AMPHORA_ID},
provides=constants.AMPHORAE_STATUS))
# Listeners update needs to be run on all amphora to update
# their peer configurations. So parallelize this with an
# unordered subflow.
@ -625,14 +633,16 @@ class LoadBalancerFlows(object):
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=(constants.AMPHORA + '-0-' +
constants.AMP_LISTENER_UPDATE),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 0,
constants.TIMEOUT_DICT: timeout_dict}))
update_amps_subflow.add(
amphora_driver_tasks.AmphoraIndexListenerUpdate(
name=(constants.AMPHORA + '-1-' +
constants.AMP_LISTENER_UPDATE),
requires=(constants.LOADBALANCER, constants.AMPHORAE),
requires=(constants.LOADBALANCER, constants.AMPHORAE,
constants.AMPHORAE_STATUS),
inject={constants.AMPHORA_INDEX: 1,
constants.TIMEOUT_DICT: timeout_dict}))
@ -641,7 +651,8 @@ class LoadBalancerFlows(object):
# Configure and enable keepalived in the amphora
failover_LB_flow.add(self.amp_flows.get_vrrp_subflow(
new_amp_role + '-' + constants.GET_VRRP_SUBFLOW,
timeout_dict, create_vrrp_group=False))
timeout_dict, create_vrrp_group=False,
get_amphorae_status=False))
# #### End of standby ####

90
octavia/controller/worker/v2/tasks/amphora_driver_tasks.py
View File

@ -14,6 +14,9 @@
#
import copy
from typing import List
from typing import Optional
from cryptography import fernet
from oslo_config import cfg
from oslo_log import log as logging
@ -99,10 +102,19 @@ class AmpListenersUpdate(BaseAmphoraTask):
class AmphoraIndexListenerUpdate(BaseAmphoraTask):
"""Task to update the listeners on one amphora."""
def execute(self, loadbalancer, amphora_index, amphorae, timeout_dict=()):
def execute(self, loadbalancer, amphora_index, amphorae,
amphorae_status: dict, timeout_dict=()):
# Note, we don't want this to cause a revert as it may be used
# in a failover flow with both amps failing. Skip it and let
# health manager fix it.
amphora_id = amphorae[amphora_index].get(constants.ID)
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping listener update because amphora %s "
"is not reachable.", amphora_id)
return
try:
# TODO(johnsom) Optimize this to use the dicts and not need the
# DB lookups
@ -115,7 +127,6 @@ class AmphoraIndexListenerUpdate(BaseAmphoraTask):
self.amphora_driver.update_amphora_listeners(
db_lb, db_amp, timeout_dict)
except Exception as e:
amphora_id = amphorae[amphora_index].get(constants.ID)
LOG.error('Failed to update listeners on amphora %s. Skipping '
'this amphora as it is failing to update due to: %s',
amphora_id, str(e))
@ -177,10 +188,18 @@ class AmphoraIndexListenersReload(BaseAmphoraTask):
"""Task to reload all listeners on an amphora."""
def execute(self, loadbalancer, amphora_index, amphorae,
timeout_dict=None):
amphorae_status: dict, timeout_dict=None):
"""Execute listener reload routines for listeners on an amphora."""
if amphorae is None:
return
amphora_id = amphorae[amphora_index].get(constants.ID)
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping listener reload because amphora %s "
"is not reachable.", amphora_id)
return
# TODO(johnsom) Optimize this to use the dicts and not need the
# DB lookups
db_amp = self.amphora_repo.get(
@ -192,7 +211,6 @@ class AmphoraIndexListenersReload(BaseAmphoraTask):
try:
self.amphora_driver.reload(db_lb, db_amp, timeout_dict)
except Exception as e:
amphora_id = amphorae[amphora_index][constants.ID]
LOG.warning('Failed to reload listeners on amphora %s. '
'Skipping this amphora as it is failing to '
'reload due to: %s', amphora_id, str(e))
@ -421,8 +439,15 @@ class AmphoraUpdateVRRPInterface(BaseAmphoraTask):
class AmphoraIndexUpdateVRRPInterface(BaseAmphoraTask):
"""Task to get and update the VRRP interface device name from amphora."""
def execute(self, amphora_index, amphorae, timeout_dict=None):
def execute(self, amphora_index, amphorae, amphorae_status: dict,
timeout_dict=None):
amphora_id = amphorae[amphora_index][constants.ID]
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP interface update because amphora %s "
"is not reachable.", amphora_id)
return None
try:
# TODO(johnsom) Optimize this to use the dicts and not need the
# DB lookups
@ -478,12 +503,19 @@ class AmphoraIndexVRRPUpdate(BaseAmphoraTask):
"""Task to update the VRRP configuration of an amphora."""
def execute(self, loadbalancer_id, amphorae_network_config, amphora_index,
amphorae, amp_vrrp_int, timeout_dict=None):
amphorae, amphorae_status: dict, amp_vrrp_int: Optional[str],
timeout_dict=None):
"""Execute update_vrrp_conf."""
# Note, we don't want this to cause a revert as it may be used
# in a failover flow with both amps failing. Skip it and let
# health manager fix it.
amphora_id = amphorae[amphora_index][constants.ID]
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP configuration because amphora %s "
"is not reachable.", amphora_id)
return
try:
# TODO(johnsom) Optimize this to use the dicts and not need the
# DB lookups
@ -525,10 +557,17 @@ class AmphoraIndexVRRPStart(BaseAmphoraTask):
This will reload keepalived if it is already running.
"""
def execute(self, amphora_index, amphorae, timeout_dict=None):
def execute(self, amphora_index, amphorae, amphorae_status: dict,
timeout_dict=None):
# TODO(johnsom) Optimize this to use the dicts and not need the
# DB lookups
amphora_id = amphorae[amphora_index][constants.ID]
amphora_status = amphorae_status.get(amphora_id, {})
if amphora_status.get(constants.UNREACHABLE):
LOG.warning("Skipping VRRP start because amphora %s "
"is not reachable.", amphora_id)
return
db_amp = self.amphora_repo.get(db_apis.get_session(), id=amphora_id)
try:
self.amphora_driver.start_vrrp_service(db_amp, timeout_dict)
@ -592,3 +631,40 @@ class AmphoraConfigUpdate(BaseAmphoraTask):
'update. Please update the amphora image for this '
'amphora. Skipping.'.
format(amphora.get(constants.ID)))
class AmphoraeGetConnectivityStatus(BaseAmphoraTask):
"""Task that checks amphorae connectivity status.
Check and return the connectivity status of both amphorae in ACTIVE STANDBY
load balancers
"""
def execute(self, amphorae: List[dict], new_amphora_id: str,
timeout_dict=None):
amphorae_status = {}
for amphora in amphorae:
amphora_id = amphora[constants.ID]
amphorae_status[amphora_id] = {}
session = db_apis.get_session()
with session.begin():
db_amp = self.amphora_repo.get(session, id=amphora_id)
try:
# Verify if the amphora is reachable
self.amphora_driver.check(db_amp, timeout_dict=timeout_dict)
except Exception as e:
LOG.exception("Cannot get status for amphora %s",
amphora_id)
# In case it fails and the tested amphora is the newly created
# amphora, it's not a normal error handling, re-raise the
# exception
if amphora_id == new_amphora_id:
raise e
amphorae_status[amphora_id][constants.UNREACHABLE] = True
else:
amphorae_status[amphora_id][constants.UNREACHABLE] = False
return amphorae_status

6
octavia/tests/unit/amphorae/drivers/haproxy/test_rest_api_driver.py
View File

@ -75,9 +75,9 @@ class TestHAProxyAmphoraDriver(base.TestCase):
mock_api_version.reset_mock()
client_mock.reset_mock()
result = self.driver.get_interface_from_ip(amphora_mock, IP_ADDRESS)
self.assertIsNone(result)
self.assertRaises(
exc.NotFound,
self.driver.get_interface_from_ip, amphora_mock, IP_ADDRESS)
mock_api_version.assert_called_once_with(amphora_mock, None)
client_mock.get_interface.assert_called_once_with(
amphora_mock, IP_ADDRESS, None, log_error=False)

32
octavia/tests/unit/controller/worker/v1/flows/test_amphora_flows.py
View File

@ -243,6 +243,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORA, amp_flow.provides)
self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.BASE_PORT, amp_flow.provides)
self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
@ -253,7 +254,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.VIP_SG_ID, amp_flow.provides)
self.assertEqual(7, len(amp_flow.requires))
self.assertEqual(13, len(amp_flow.provides))
self.assertEqual(14, len(amp_flow.provides))
def test_get_failover_flow_standalone(self, mock_get_net_driver):
failed_amphora = data_models.Amphora(
@ -276,6 +277,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORA, amp_flow.provides)
self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.BASE_PORT, amp_flow.provides)
self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
@ -286,7 +288,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.VIP_SG_ID, amp_flow.provides)
self.assertEqual(7, len(amp_flow.requires))
self.assertEqual(12, len(amp_flow.provides))
self.assertEqual(13, len(amp_flow.provides))
def test_get_failover_flow_bogus_role(self, mock_get_net_driver):
failed_amphora = data_models.Amphora(id=uuidutils.generate_uuid(),
@ -324,12 +326,30 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORA_ID, vrrp_subflow.requires)
self.assertEqual(3, len(vrrp_subflow.provides))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_get_vrrp_subflow_dont_get_status(self, mock_get_net_driver):
vrrp_subflow = self.AmpFlow.get_vrrp_subflow('123',
get_amphorae_status=False)
self.assertIsInstance(vrrp_subflow, flow.Flow)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.requires)
self.assertEqual(2, len(vrrp_subflow.provides))
self.assertEqual(2, len(vrrp_subflow.requires))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_get_vrrp_subflow_dont_create_vrrp_group(
self, mock_get_net_driver):
@ -340,12 +360,14 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORA_ID, vrrp_subflow.requires)
self.assertEqual(2, len(vrrp_subflow.provides))
self.assertEqual(2, len(vrrp_subflow.requires))
self.assertEqual(3, len(vrrp_subflow.provides))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_get_post_map_lb_subflow(self, mock_get_net_driver):

26
octavia/tests/unit/controller/worker/v1/flows/test_load_balancer_flows.py
View File

@ -155,10 +155,16 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
self.assertIn(constants.AMPHORA_ID, amp_flow.requires)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMP_VRRP_INT, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.LOADBALANCER, amp_flow.provides)
self.assertEqual(4, len(amp_flow.provides))
self.assertEqual(2, len(amp_flow.requires))
self.assertEqual(5, len(amp_flow.provides))
self.assertEqual(3, len(amp_flow.requires))
amp_flow = self.LBFlow.get_post_lb_amp_association_flow(
'123', constants.TOPOLOGY_ACTIVE_STANDBY)
@ -167,10 +173,16 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
self.assertIn(constants.AMPHORA_ID, amp_flow.requires)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.AMP_VRRP_INT, amp_flow.provides)
self.assertIn(constants.LOADBALANCER, amp_flow.provides)
self.assertEqual(4, len(amp_flow.provides))
self.assertEqual(2, len(amp_flow.requires))
self.assertEqual(5, len(amp_flow.provides))
self.assertEqual(3, len(amp_flow.requires))
def test_get_create_load_balancer_flows_single_listeners(
self, mock_get_net_driver):
@ -219,6 +231,7 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.LISTENERS, create_flow.provides)
self.assertIn(constants.AMPHORA, create_flow.provides)
self.assertIn(constants.AMPHORA_ID, create_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, create_flow.provides)
self.assertIn(constants.COMPUTE_ID, create_flow.provides)
self.assertIn(constants.COMPUTE_OBJ, create_flow.provides)
self.assertIn(constants.LOADBALANCER, create_flow.provides)
@ -230,7 +243,7 @@ class TestLoadBalancerFlows(base.TestCase):
create_flow.provides)
self.assertEqual(6, len(create_flow.requires))
self.assertEqual(16, len(create_flow.provides),
self.assertEqual(17, len(create_flow.provides),
create_flow.provides)
def _test_get_failover_LB_flow_single(self, amphorae):
@ -322,6 +335,7 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.AMPHORA, failover_flow.provides)
self.assertIn(constants.AMPHORA_ID, failover_flow.provides)
self.assertIn(constants.AMPHORAE, failover_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, failover_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG,
failover_flow.provides)
self.assertIn(constants.BASE_PORT, failover_flow.provides)
@ -339,7 +353,7 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertEqual(6, len(failover_flow.requires),
failover_flow.requires)
self.assertEqual(16, len(failover_flow.provides),
self.assertEqual(17, len(failover_flow.provides),
failover_flow.provides)
def test_get_failover_LB_flow_no_amps_act_stdby(self, mock_get_net_driver):

184
octavia/tests/unit/controller/worker/v1/tasks/test_amphora_driver_tasks.py
View File

@ -125,17 +125,37 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_amphora_repo_update):
mock_lb_repo_get.return_value = _LB_mock
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: False
}
}
amp_list_update_obj = amphora_driver_tasks.AmphoraIndexListenerUpdate()
amp_list_update_obj.execute(_load_balancer_mock, 0,
[_amphora_mock], self.timeout_dict)
[_amphora_mock], amphorae_status,
self.timeout_dict)
mock_driver.update_amphora_listeners.assert_called_once_with(
_LB_mock, _amphora_mock, self.timeout_dict)
# Unreachable amp
mock_driver.reset_mock()
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: True
}
}
amp_list_update_obj.execute(_LB_mock, 0, [_amphora_mock],
amphorae_status, self.timeout_dict)
mock_driver.update_amphora_listeners.assert_not_called()
# Test exception
mock_driver.update_amphora_listeners.side_effect = Exception('boom')
amp_list_update_obj.execute(_load_balancer_mock, 0,
[_amphora_mock], self.timeout_dict)
[_amphora_mock], {},
self.timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, AMP_ID, status=constants.ERROR)
@ -217,20 +237,38 @@ class TestAmphoraDriverTasks(base.TestCase):
# Test no listeners
mock_lb.listeners = None
listeners_reload_obj.execute(mock_lb, 0, None)
listeners_reload_obj.execute(mock_lb, 0, None, {})
mock_driver.reload.assert_not_called()
# Test with listeners
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: False
}
}
mock_driver.start.reset_mock()
mock_lb.listeners = [mock_listener]
listeners_reload_obj.execute(mock_lb, 0, [amphora_mock],
amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_called_once_with(mock_lb, amphora_mock,
self.timeout_dict)
# Unreachable amp
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: True
}
}
mock_driver.reload.reset_mock()
listeners_reload_obj.execute(mock_lb, 0, [_amphora_mock],
amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_not_called()
# Test with reload exception
mock_driver.reload.reset_mock()
listeners_reload_obj.execute(mock_lb, 0, [amphora_mock],
listeners_reload_obj.execute(mock_lb, 0, [amphora_mock], {},
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_called_once_with(mock_lb, amphora_mock,
self.timeout_dict)
@ -604,6 +642,11 @@ class TestAmphoraDriverTasks(base.TestCase):
_LB_mock.amphorae = _amphorae_mock
mock_driver.get_interface_from_ip.side_effect = [FAKE_INTERFACE,
Exception('boom')]
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: False
}
}
timeout_dict = {constants.CONN_MAX_RETRIES: CONN_MAX_RETRIES,
constants.CONN_RETRY_INTERVAL: CONN_RETRY_INTERVAL}
@ -611,16 +654,27 @@ class TestAmphoraDriverTasks(base.TestCase):
amphora_update_vrrp_interface_obj = (
amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface())
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], timeout_dict)
0, [_amphora_mock], amphorae_status, timeout_dict)
mock_driver.get_interface_from_ip.assert_called_once_with(
_amphora_mock, _amphora_mock.vrrp_ip, timeout_dict=timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _amphora_mock.id, vrrp_interface=FAKE_INTERFACE)
# Unreachable amp
mock_driver.reset_mock()
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: True
}
}
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], amphorae_status, timeout_dict)
mock_driver.get_interface_from_ip.assert_not_called()
# Test with an exception
mock_amphora_repo_update.reset_mock()
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], timeout_dict)
0, [_amphora_mock], {}, timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _amphora_mock.id, status=constants.ERROR)
@ -666,20 +720,41 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_driver.update_vrrp_conf.side_effect = [mock.DEFAULT,
Exception('boom')]
mock_lb_get.return_value = _LB_mock
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: False
}
}
amphora_vrrp_update_obj = (
amphora_driver_tasks.AmphoraIndexVRRPUpdate())
amphora_vrrp_update_obj.execute(_LB_mock.id, amphorae_network_config,
0, [_amphora_mock], 'fakeint0',
0, [_amphora_mock], amphorae_status,
'fakeint0',
timeout_dict=self.timeout_dict)
mock_driver.update_vrrp_conf.assert_called_once_with(
_LB_mock, amphorae_network_config, _amphora_mock,
self.timeout_dict)
# Unreachable amp
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: True
}
}
mock_amphora_repo_update.reset_mock()
mock_driver.update_vrrp_conf.reset_mock()
amphora_vrrp_update_obj.execute(LB_ID, amphorae_network_config,
0, [_amphora_mock], amphorae_status,
None)
mock_driver.update_vrrp_conf.assert_not_called()
# Test with an exception
mock_amphora_repo_update.reset_mock()
amphora_vrrp_update_obj.execute(_LB_mock.id, amphorae_network_config,
0, [_amphora_mock], 'fakeint0')
0, [_amphora_mock], {},
'fakeint0')
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _amphora_mock.id, status=constants.ERROR)
@ -706,19 +781,36 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_listener_repo_get,
mock_listener_repo_update,
mock_amphora_repo_update):
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: False
}
}
amphora_vrrp_start_obj = (
amphora_driver_tasks.AmphoraIndexVRRPStart())
mock_driver.start_vrrp_service.side_effect = [mock.DEFAULT,
Exception('boom')]
amphora_vrrp_start_obj.execute(0, [_amphora_mock],
amphora_vrrp_start_obj.execute(0, [_amphora_mock], amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_called_once_with(
_amphora_mock, self.timeout_dict)
# Unreachable amp
mock_driver.start_vrrp_service.reset_mock()
amphorae_status = {
_amphora_mock.id: {
constants.UNREACHABLE: True
}
}
amphora_vrrp_start_obj.execute(0, [_amphora_mock], amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_not_called()
# Test with a start exception
mock_driver.start_vrrp_service.reset_mock()
amphora_vrrp_start_obj.execute(0, [_amphora_mock],
amphora_vrrp_start_obj.execute(0, [_amphora_mock], {},
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_called_once_with(
_amphora_mock, self.timeout_dict)
@ -790,3 +882,75 @@ class TestAmphoraDriverTasks(base.TestCase):
self.assertRaises(driver_except.TimeOutException,
amp_config_update_obj.execute,
_amphora_mock, flavor)
@mock.patch('octavia.db.repositories.AmphoraRepository.get')
def test_amphorae_get_connectivity_status(self,
mock_amphora_repo_get,
mock_driver,
mock_generate_uuid,
mock_log,
mock_get_session,
mock_listener_repo_get,
mock_listener_repo_update,
mock_amphora_repo_update):
amphora1_mock = mock.MagicMock()
amphora1_mock.id = 'id1'
amphora2_mock = mock.MagicMock()
amphora2_mock.id = 'id2'
db_amphora1_mock = mock.Mock()
db_amphora2_mock = mock.Mock()
amp_get_connectivity_status = (
amphora_driver_tasks.AmphoraeGetConnectivityStatus())
# All amphorae reachable
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.return_value = None
ret = amp_get_connectivity_status.execute(
[amphora1_mock, amphora2_mock],
amphora1_mock.id,
timeout_dict=self.timeout_dict)
mock_driver.check.assert_has_calls(
[mock.call(db_amphora1_mock, timeout_dict=self.timeout_dict),
mock.call(db_amphora2_mock, timeout_dict=self.timeout_dict)])
self.assertFalse(
ret[amphora1_mock.id][constants.UNREACHABLE])
self.assertFalse(
ret[amphora2_mock.id][constants.UNREACHABLE])
# amphora1 unreachable
mock_driver.check.reset_mock()
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.side_effect = [
driver_except.TimeOutException, None]
self.assertRaises(driver_except.TimeOutException,
amp_get_connectivity_status.execute,
[amphora1_mock, amphora2_mock],
amphora1_mock.id,
timeout_dict=self.timeout_dict)
mock_driver.check.assert_called_with(
db_amphora1_mock, timeout_dict=self.timeout_dict)
# amphora2 unreachable
mock_driver.check.reset_mock()
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.side_effect = [
None, driver_except.TimeOutException]
ret = amp_get_connectivity_status.execute(
[amphora1_mock, amphora2_mock],
amphora1_mock.id,
timeout_dict=self.timeout_dict)
mock_driver.check.assert_has_calls(
[mock.call(db_amphora1_mock, timeout_dict=self.timeout_dict),
mock.call(db_amphora2_mock, timeout_dict=self.timeout_dict)])
self.assertFalse(
ret[amphora1_mock.id][constants.UNREACHABLE])
self.assertTrue(
ret[amphora2_mock.id][constants.UNREACHABLE])

32
octavia/tests/unit/controller/worker/v2/flows/test_amphora_flows.py
View File

@ -286,6 +286,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORA, amp_flow.provides)
self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.BASE_PORT, amp_flow.provides)
self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
@ -296,7 +297,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.VIP_SG_ID, amp_flow.provides)
self.assertEqual(7, len(amp_flow.requires))
self.assertEqual(13, len(amp_flow.provides))
self.assertEqual(14, len(amp_flow.provides))
def test_get_failover_flow_standalone(self, mock_get_net_driver):
failed_amphora = data_models.Amphora(
@ -320,6 +321,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORA, amp_flow.provides)
self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.BASE_PORT, amp_flow.provides)
self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
@ -330,7 +332,7 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.VIP_SG_ID, amp_flow.provides)
self.assertEqual(7, len(amp_flow.requires))
self.assertEqual(12, len(amp_flow.provides))
self.assertEqual(13, len(amp_flow.provides))
def test_get_failover_flow_bogus_role(self, mock_get_net_driver):
failed_amphora = data_models.Amphora(id=uuidutils.generate_uuid(),
@ -368,12 +370,30 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORA_ID, vrrp_subflow.requires)
self.assertEqual(3, len(vrrp_subflow.provides))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_get_vrrp_subflow_dont_get_status(self, mock_get_net_driver):
vrrp_subflow = self.AmpFlow.get_vrrp_subflow('123',
get_amphorae_status=False)
self.assertIsInstance(vrrp_subflow, flow.Flow)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.requires)
self.assertEqual(2, len(vrrp_subflow.provides))
self.assertEqual(2, len(vrrp_subflow.requires))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_get_vrrp_subflow_dont_create_vrrp_group(
self, mock_get_net_driver):
@ -384,12 +404,14 @@ class TestAmphoraFlows(base.TestCase):
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, vrrp_subflow.provides)
self.assertIn(constants.AMP_VRRP_INT, vrrp_subflow.provides)
self.assertIn(constants.AMPHORAE_STATUS, vrrp_subflow.provides)
self.assertIn(constants.LOADBALANCER_ID, vrrp_subflow.requires)
self.assertIn(constants.AMPHORAE, vrrp_subflow.requires)
self.assertIn(constants.AMPHORA_ID, vrrp_subflow.requires)
self.assertEqual(2, len(vrrp_subflow.provides))
self.assertEqual(2, len(vrrp_subflow.requires))
self.assertEqual(3, len(vrrp_subflow.provides))
self.assertEqual(3, len(vrrp_subflow.requires))
def test_update_amphora_config_flow(self, mock_get_net_driver):

15
octavia/tests/unit/controller/worker/v2/flows/test_load_balancer_flows.py
View File

@ -174,14 +174,16 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
self.assertIn(constants.AMPHORA_ID, amp_flow.requires)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMP_VRRP_INT, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.LOADBALANCER, amp_flow.provides)
self.assertEqual(2, len(amp_flow.requires), amp_flow.requires)
self.assertEqual(4, len(amp_flow.provides), amp_flow.provides)
self.assertEqual(3, len(amp_flow.requires), amp_flow.requires)
self.assertEqual(5, len(amp_flow.provides), amp_flow.provides)
amp_flow = self.LBFlow.get_post_lb_amp_association_flow(
'123', constants.TOPOLOGY_ACTIVE_STANDBY)
@ -190,14 +192,16 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
self.assertIn(constants.AMPHORA_ID, amp_flow.requires)
self.assertIn(constants.AMPHORAE, amp_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, amp_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, amp_flow.provides)
self.assertIn(constants.AMP_VRRP_INT, amp_flow.provides)
self.assertIn(constants.LOADBALANCER, amp_flow.provides)
self.assertEqual(2, len(amp_flow.requires), amp_flow.requires)
self.assertEqual(4, len(amp_flow.provides), amp_flow.provides)
self.assertEqual(3, len(amp_flow.requires), amp_flow.requires)
self.assertEqual(5, len(amp_flow.provides), amp_flow.provides)
def test_get_create_load_balancer_flows_single_listeners(
self, mock_get_net_driver):
@ -255,6 +259,7 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.AMPHORA_ID, create_flow.provides)
self.assertIn(constants.AMPHORA_NETWORK_CONFIG, create_flow.provides)
self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, create_flow.provides)
self.assertIn(constants.AMPHORAE_STATUS, create_flow.provides)
self.assertIn(constants.COMPUTE_ID, create_flow.provides)
self.assertIn(constants.COMPUTE_OBJ, create_flow.provides)
self.assertIn(constants.DELTAS, create_flow.provides)
@ -265,7 +270,7 @@ class TestLoadBalancerFlows(base.TestCase):
self.assertIn(constants.VIP, create_flow.provides)
self.assertEqual(6, len(create_flow.requires), create_flow.requires)
self.assertEqual(16, len(create_flow.provides),
self.assertEqual(17, len(create_flow.provides),
create_flow.provides)
def _test_get_failover_LB_flow_single(self, amphorae):

195
octavia/tests/unit/controller/worker/v2/tasks/test_amphora_driver_tasks.py
View File

@ -132,17 +132,35 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_amphora_repo_get.return_value = _db_amphora_mock
mock_lb_get.return_value = _db_load_balancer_mock
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: False
}
}
amp_list_update_obj = amphora_driver_tasks.AmphoraIndexListenerUpdate()
amp_list_update_obj.execute(_LB_mock, 0, [_amphora_mock],
self.timeout_dict)
amphorae_status, self.timeout_dict)
mock_driver.update_amphora_listeners.assert_called_once_with(
_db_load_balancer_mock, _db_amphora_mock, self.timeout_dict)
# Unreachable amp
mock_driver.reset_mock()
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: True
}
}
amp_list_update_obj.execute(_LB_mock, 0, [_amphora_mock],
amphorae_status, self.timeout_dict)
mock_driver.update_amphora_listeners.assert_not_called()
# Test exception
mock_driver.update_amphora_listeners.side_effect = Exception('boom')
amp_list_update_obj.execute(_LB_mock, 0,
[_amphora_mock], self.timeout_dict)
amp_list_update_obj.execute(_LB_mock, 0, [_amphora_mock], {},
self.timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, AMP_ID, status=constants.ERROR)
@ -194,37 +212,54 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_driver, mock_generate_uuid, mock_log, mock_get_session,
mock_listener_repo_get, mock_listener_repo_update,
mock_amphora_repo_get, mock_amphora_repo_update):
amphora_mock = mock.MagicMock()
listeners_reload_obj = (
amphora_driver_tasks.AmphoraIndexListenersReload())
mock_lb = mock.MagicMock()
mock_listener = mock.MagicMock()
mock_listener.id = '12345'
mock_amphora_repo_get.return_value = amphora_mock
mock_amphora_repo_get.return_value = _amphora_mock
mock_lb_repo_get.return_value = mock_lb
mock_driver.reload.side_effect = [mock.DEFAULT, Exception('boom')]
# Test no listeners
mock_lb.listeners = None
listeners_reload_obj.execute(mock_lb, 0, None)
listeners_reload_obj.execute(mock_lb, 0, None, {})
mock_driver.reload.assert_not_called()
# Test with listeners
mock_driver.start.reset_mock()
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: False
}
}
mock_driver.reload.reset_mock()
mock_lb.listeners = [mock_listener]
listeners_reload_obj.execute(mock_lb, 0, [amphora_mock],
listeners_reload_obj.execute(mock_lb, 0, [_amphora_mock],
amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_called_once_with(mock_lb, amphora_mock,
mock_driver.reload.assert_called_once_with(mock_lb, _amphora_mock,
self.timeout_dict)
# Unreachable amp
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: True
}
}
mock_driver.reload.reset_mock()
listeners_reload_obj.execute(mock_lb, 0, [_amphora_mock],
amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_not_called()
# Test with reload exception
mock_driver.reload.reset_mock()
listeners_reload_obj.execute(mock_lb, 0, [amphora_mock],
listeners_reload_obj.execute(mock_lb, 0, [_amphora_mock], {},
timeout_dict=self.timeout_dict)
mock_driver.reload.assert_called_once_with(mock_lb, amphora_mock,
mock_driver.reload.assert_called_once_with(mock_lb, _amphora_mock,
self.timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, amphora_mock[constants.ID],
_session_mock, _amphora_mock[constants.ID],
status=constants.ERROR)
@mock.patch('octavia.controller.worker.task_utils.TaskUtils.'
@ -728,6 +763,11 @@ class TestAmphoraDriverTasks(base.TestCase):
FAKE_INTERFACE = 'fake0'
mock_driver.get_interface_from_ip.side_effect = [FAKE_INTERFACE,
Exception('boom')]
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: False
}
}
timeout_dict = {constants.CONN_MAX_RETRIES: CONN_MAX_RETRIES,
constants.CONN_RETRY_INTERVAL: CONN_RETRY_INTERVAL}
@ -735,17 +775,28 @@ class TestAmphoraDriverTasks(base.TestCase):
amphora_update_vrrp_interface_obj = (
amphora_driver_tasks.AmphoraIndexUpdateVRRPInterface())
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], timeout_dict)
0, [_amphora_mock], amphorae_status, timeout_dict)
mock_driver.get_interface_from_ip.assert_called_once_with(
_db_amphora_mock, _db_amphora_mock.vrrp_ip,
timeout_dict=timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _db_amphora_mock.id, vrrp_interface=FAKE_INTERFACE)
# Unreachable amp
mock_driver.reset_mock()
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: True
}
}
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], amphorae_status, timeout_dict)
mock_driver.get_interface_from_ip.assert_not_called()
# Test with an exception
mock_amphora_repo_update.reset_mock()
amphora_update_vrrp_interface_obj.execute(
0, [_amphora_mock], timeout_dict)
0, [_amphora_mock], {}, timeout_dict)
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _db_amphora_mock.id, status=constants.ERROR)
@ -796,20 +847,40 @@ class TestAmphoraDriverTasks(base.TestCase):
Exception('boom')]
mock_lb_get.return_value = _db_load_balancer_mock
mock_amphora_repo_get.return_value = _db_amphora_mock
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: False
}
}
amphora_vrrp_update_obj = (
amphora_driver_tasks.AmphoraIndexVRRPUpdate())
amphora_vrrp_update_obj.execute(LB_ID, amphorae_network_config,
0, [_amphora_mock], 'fakeint0',
0, [_amphora_mock], amphorae_status,
'fakeint0',
timeout_dict=self.timeout_dict)
mock_driver.update_vrrp_conf.assert_called_once_with(
_db_load_balancer_mock, amphorae_network_config, _db_amphora_mock,
self.timeout_dict)
# Unreachable amp
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: True
}
}
mock_amphora_repo_update.reset_mock()
mock_driver.update_vrrp_conf.reset_mock()
amphora_vrrp_update_obj.execute(LB_ID, amphorae_network_config,
0, [_amphora_mock], amphorae_status,
None)
mock_driver.update_vrrp_conf.assert_not_called()
# Test with an exception
mock_amphora_repo_update.reset_mock()
amphora_vrrp_update_obj.execute(LB_ID, amphorae_network_config,
0, [_amphora_mock], 'fakeint0')
0, [_amphora_mock], {}, 'fakeint0')
mock_amphora_repo_update.assert_called_once_with(
_session_mock, _db_amphora_mock.id, status=constants.ERROR)
@ -840,19 +911,36 @@ class TestAmphoraDriverTasks(base.TestCase):
mock_amphora_repo_get,
mock_amphora_repo_update):
mock_amphora_repo_get.return_value = _db_amphora_mock
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: False
}
}
amphora_vrrp_start_obj = (
amphora_driver_tasks.AmphoraIndexVRRPStart())
mock_driver.start_vrrp_service.side_effect = [mock.DEFAULT,
Exception('boom')]
amphora_vrrp_start_obj.execute(0, [_amphora_mock],
amphora_vrrp_start_obj.execute(0, [_amphora_mock], amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_called_once_with(
_db_amphora_mock, self.timeout_dict)
# Unreachable amp
mock_driver.start_vrrp_service.reset_mock()
amphorae_status = {
_amphora_mock[constants.ID]: {
constants.UNREACHABLE: True
}
}
amphora_vrrp_start_obj.execute(0, [_amphora_mock], amphorae_status,
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_not_called()
# Test with a start exception
mock_driver.start_vrrp_service.reset_mock()
amphora_vrrp_start_obj.execute(0, [_amphora_mock],
amphora_vrrp_start_obj.execute(0, [_amphora_mock], {},
timeout_dict=self.timeout_dict)
mock_driver.start_vrrp_service.assert_called_once_with(
_db_amphora_mock, self.timeout_dict)
@ -930,3 +1018,74 @@ class TestAmphoraDriverTasks(base.TestCase):
self.assertRaises(driver_except.TimeOutException,
amp_config_update_obj.execute,
_amphora_mock, flavor)
def test_amphorae_get_connectivity_status(self,
mock_driver,
mock_generate_uuid,
mock_log,
mock_get_session,
mock_listener_repo_get,
mock_listener_repo_update,
mock_amphora_repo_get,
mock_amphora_repo_update):
amphora1_mock = mock.MagicMock()
amphora1_mock[constants.ID] = 'id1'
amphora2_mock = mock.MagicMock()
amphora2_mock[constants.ID] = 'id2'
db_amphora1_mock = mock.Mock()
db_amphora2_mock = mock.Mock()
amp_get_connectivity_status = (
amphora_driver_tasks.AmphoraeGetConnectivityStatus())
# All amphorae reachable
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.return_value = None
ret = amp_get_connectivity_status.execute(
[amphora1_mock, amphora2_mock],
amphora1_mock[constants.ID],
timeout_dict=self.timeout_dict)
mock_driver.check.assert_has_calls(
[mock.call(db_amphora1_mock, timeout_dict=self.timeout_dict),
mock.call(db_amphora2_mock, timeout_dict=self.timeout_dict)])
self.assertFalse(
ret[amphora1_mock[constants.ID]][constants.UNREACHABLE])
self.assertFalse(
ret[amphora2_mock[constants.ID]][constants.UNREACHABLE])
# amphora1 unreachable
mock_driver.check.reset_mock()
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.side_effect = [
driver_except.TimeOutException, None]
self.assertRaises(driver_except.TimeOutException,
amp_get_connectivity_status.execute,
[amphora1_mock, amphora2_mock],
amphora1_mock[constants.ID],
timeout_dict=self.timeout_dict)
mock_driver.check.assert_called_with(
db_amphora1_mock, timeout_dict=self.timeout_dict)
# amphora2 unreachable
mock_driver.check.reset_mock()
mock_amphora_repo_get.side_effect = [
db_amphora1_mock,
db_amphora2_mock]
mock_driver.check.side_effect = [
None, driver_except.TimeOutException]
ret = amp_get_connectivity_status.execute(
[amphora1_mock, amphora2_mock],
amphora1_mock[constants.ID],
timeout_dict=self.timeout_dict)
mock_driver.check.assert_has_calls(
[mock.call(db_amphora1_mock, timeout_dict=self.timeout_dict),
mock.call(db_amphora2_mock, timeout_dict=self.timeout_dict)])
self.assertFalse(
ret[amphora1_mock[constants.ID]][constants.UNREACHABLE])
self.assertTrue(
ret[amphora2_mock[constants.ID]][constants.UNREACHABLE])

7
releasenotes/notes/reduce-duration-failover-636032433984d911.yaml Normal file
View File

@ -0,0 +1,7 @@
---
fixes:
- |
Reduce the duration of the failovers of ACTIVE_STANDBY load balancers. Many
updates of an unreachable amphora may have been attempted during a
failover, now if an amphora is not reachable at the first update, the other
updates are skipped.