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MP2P migration: misc fixes

- Add elapsed time logging
- Skip irrelevant retries of nsx requests
- retrive only tier0/tier1 logical routers whenever relevant
- Update max number of tier1 logical ports to migrate

Change-Id: If6878e20701312daf66be1a035db4614013c7e47
changes/80/741080/7
asarfaty 3 weeks ago
committed by Adit Sarfaty
parent
commit
b85bf10880
2 changed files with 49 additions and 22 deletions
  1. +48
    -22
      vmware_nsx/shell/admin/plugins/nsxv3/resources/migration.py
  2. +1
    -0
      vmware_nsx/shell/admin/plugins/nsxv3/resources/utils.py

+ 48
- 22
vmware_nsx/shell/admin/plugins/nsxv3/resources/migration.py View File

@@ -42,6 +42,7 @@ from vmware_nsx.shell import resources as shell
from vmware_nsxlib.v3 import core_resources as nsx_resources
from vmware_nsxlib.v3 import exceptions as nsxlib_exc
from vmware_nsxlib.v3 import load_balancer as nsxlib_lb
from vmware_nsxlib.v3 import nsx_constants
from vmware_nsxlib.v3.policy import constants as policy_constants
from vmware_nsxlib.v3.policy import core_resources as policy_resources
from vmware_nsxlib.v3.policy import utils as policy_utils
@@ -62,8 +63,8 @@ STATUS_ALLOW_MIGRATION_REQ = set([
MIGRATE_LIMIT_NO_LIMIT = 0
MIGRATE_LIMIT_TIER0 = 1
MIGRATE_LIMIT_TIER0_PORTS = 1000
MIGRATE_LIMIT_TIER1 = 500
MIGRATE_LIMIT_TIER1_PORTS = 5
MIGRATE_LIMIT_TIER1 = 1000
MIGRATE_LIMIT_TIER1_PORTS = 1000
MIGRATE_LIMIT_NAT = 1500
MIGRATE_LIMIT_DHCP_SERVER = 1500
MIGRATE_LIMIT_MD_PROXY = 1500
@@ -87,6 +88,8 @@ ROLLBACK_DATA = []
EDGE_FW_SEQ = 1
DFW_SEQ = 1

SERVICE_UP_RETRIES = 30


def start_migration_process(nsxlib):
"""Notify the manager that the migration process is starting"""
@@ -116,7 +119,7 @@ def send_migration_plan_action(nsxlib, action):

def get_migration_status(nsxlib, silent=False):
return nsxlib.client.get("migration/status-summary",
silent=silent)
silent=silent, with_retries=False)


def change_migration_service_status(start=True, nsxlib=None):
@@ -140,27 +143,33 @@ def change_migration_service_status(start=True, nsxlib=None):

if start and nsxlib:
LOG.info("Waiting for the service to be up...")
start_time = time.time()

@tenacity.retry(reraise=True,
retry=tenacity.retry_if_exception_type(Exception),
wait=tenacity.wait_exponential(multiplier=0.5, max=2),
stop=tenacity.stop_after_attempt(
cfg.CONF.nsx_v3.retries))
stop=tenacity.stop_after_attempt(SERVICE_UP_RETRIES))
def get_migration_status_with_retry(nsxlib):
get_migration_status(nsxlib, silent=True)

get_migration_status_with_retry(nsxlib)
LOG.info("The service is up")
try:
get_migration_status_with_retry(nsxlib)
except Exception:
raise Exception("The migration service did not get up after %s "
"retries" % SERVICE_UP_RETRIES)

elapsed_time = time.time() - start_time
LOG.info("The service is up (waited %s seconds)", elapsed_time)


def ensure_migration_state_ready(nsxlib, with_abort=False):
try:
status = get_migration_status(nsxlib, silent=True)
except nsxlib_exc.CannotConnectToServer as e:
LOG.debug("Failed to get migration status: %s", e)
except Exception as e:
if with_abort:
change_migration_service_status(start=True, nsxlib=nsxlib)
return ensure_migration_state_ready(nsxlib)
LOG.debug("Failed to get migration status: %s", e)
return False

if status["overall_migration_status"] not in STATUS_ALLOW_MIGRATION_REQ:
@@ -220,12 +229,16 @@ def get_resource_migration_data(nsxlib_resource, neutron_id_tags,
printable_name=None, policy_resource_get=None,
policy_id_callback=None,
metadata_callback=None,
skip_policy_path_check=False):
skip_policy_path_check=False,
nsxlib_list_args=None):
if not printable_name:
printable_name = resource_type
LOG.debug("Getting data for MP %s", printable_name)

resources = nsxlib_resource.list()
if nsxlib_list_args:
resources = nsxlib_resource.list(**nsxlib_list_args)
else:
resources = nsxlib_resource.list()
if not isinstance(resources, list):
# the nsxlib resources list return inconsistent type of result
resources = resources.get('results', [])
@@ -422,7 +435,8 @@ def migrate_tier0s(nsxlib, nsxpolicy, plugin):
entries = get_resource_migration_data(
nsxlib.logical_router, None,
'TIER0', resource_condition=cond,
policy_resource_get=nsxpolicy.tier0.get)
policy_resource_get=nsxpolicy.tier0.get,
nsxlib_list_args={'router_type': nsx_constants.ROUTER_TYPE_TIER0})
migrate_resource(nsxlib, 'TIER0', entries, MIGRATE_LIMIT_TIER0,
use_admin=True)
migrated_tier0s = [entry['manager_id'] for entry in entries]
@@ -664,7 +678,8 @@ def migrate_routers(nsxlib, nsxpolicy):
nsxlib.logical_router,
['os-neutron-router-id'],
'TIER1',
policy_resource_get=nsxpolicy.tier1.get)
policy_resource_get=nsxpolicy.tier1.get,
nsxlib_list_args={'router_type': nsx_constants.ROUTER_TYPE_TIER1})
migrate_resource(nsxlib, 'TIER1', entries, MIGRATE_LIMIT_TIER1)
migrated_routers = [entry['manager_id'] for entry in entries]
return migrated_routers
@@ -736,13 +751,15 @@ def migrate_routers_config(nsxlib, nsxpolicy, plugin, migrated_routers):
policy_id_callback=get_policy_id,
resource_condition=cond,
metadata_callback=add_metadata,
skip_policy_path_check=True)
skip_policy_path_check=True,
nsxlib_list_args={'router_type': nsx_constants.ROUTER_TYPE_TIER1})
migrate_resource(nsxlib, 'TIER1_LOGICAL_ROUTER_PORT', entries,
MIGRATE_LIMIT_TIER1_PORTS)

# Migrate NAT rules per neutron tier1
entries = []
tier1s = nsxlib.logical_router.list()['results']
tier1s = nsxlib.logical_router.list(
router_type=nsx_constants.ROUTER_TYPE_TIER1)['results']
ctx = context.get_admin_context()
for tier1 in tier1s:
# skip routers that were not migrated in this script call
@@ -854,7 +871,8 @@ def migrate_tier0_config(nsxlib, nsxpolicy, tier0s):
'TIER0_LOGICAL_ROUTER_CONFIG',
policy_id_callback=get_policy_id,
resource_condition=cond,
skip_policy_path_check=True)
skip_policy_path_check=True,
nsxlib_list_args={'router_type': nsx_constants.ROUTER_TYPE_TIER0})
migrate_resource(nsxlib, 'TIER0_LOGICAL_ROUTER_CONFIG', entries,
MIGRATE_LIMIT_TIER0, use_admin=True)

@@ -1089,8 +1107,7 @@ def migrate_t_resources_2_p(nsxlib, nsxpolicy, plugin):
return False

# Initialize the migration process
if not ensure_migration_state_ready(
nsxlib, with_abort=True):
if not ensure_migration_state_ready(nsxlib, with_abort=True):
return False

try:
@@ -1450,10 +1467,10 @@ def t_2_p_migration(resource, event, trigger, **kwargs):
"in the configuration")
return

nsxlib = utils.get_connected_nsxlib(
verbose=verbose, allow_overwrite_header=True)
nsxpolicy = p_utils.get_connected_nsxpolicy(
conf_path=cfg.CONF.nsx_v3)
nsxlib = utils.get_connected_nsxlib(verbose=verbose,
allow_overwrite_header=True)
nsxpolicy = p_utils.get_connected_nsxpolicy(conf_path=cfg.CONF.nsx_v3)
# Also create a policy manager with admin user to manipulate admin-defined
# resources which should not have neutron principal identity
nsxpolicy_admin = p_utils.get_connected_nsxpolicy(
@@ -1466,18 +1483,27 @@ def t_2_p_migration(resource, event, trigger, **kwargs):
# Make sure FWaaS was initialized
plugin.init_fwaas_for_admin_utils()

start_time = time.time()
if not pre_migration_checks(nsxlib, plugin):
# Failed
LOG.error("T2P migration cannot run. Please fix the configuration "
"and try again\n\n")
return
elapsed_time = time.time() - start_time
LOG.debug("Pre-migration took %s seconds", elapsed_time)

start_time = time.time()
if not migrate_t_resources_2_p(nsxlib, nsxpolicy, plugin):
# Failed
LOG.error("T2P migration failed. Aborting\n\n")
return
elapsed_time = time.time() - start_time
LOG.debug("Migration took %s seconds", elapsed_time)

start_time = time.time()
post_migration_actions(nsxlib, nsxpolicy, nsxpolicy_admin, plugin)
elapsed_time = time.time() - start_time
LOG.debug("Post-migration took %s seconds", elapsed_time)

LOG.info("T2P migration completed successfully\n\n")



+ 1
- 0
vmware_nsx/shell/admin/plugins/nsxv3/resources/utils.py View File

@@ -65,6 +65,7 @@ def get_connected_nsxlib(nsx_username=None, nsx_password=None,
nsx_username, nsx_password, use_basic_auth,
plugin_conf=plugin_conf,
allow_overwrite_header=allow_overwrite_header)

if _NSXLIB is None:
_NSXLIB = v3_utils.get_nsxlib_wrapper(
plugin_conf=plugin_conf,


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