NSXv: Backup pool locking
Backup pool management should be fully protceted by locking. Change-Id: I8a8c4bddb5684801596aae4adba50b53932786fe
This commit is contained in:
Kobi Samoray
parent
2376d72d94
commit
f9e7b86b96
@ -662,7 +662,7 @@ class EdgeManager(object):
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edge_type=edge_type,
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availability_zone=availability_zone)
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with locking.LockManager.get_lock('nsx-edge-request'):
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with locking.LockManager.get_lock('nsx-edge-backup-pool'):
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self._clean_all_error_edge_bindings(
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context, availability_zone=availability_zone)
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available_router_binding = self._get_available_router_binding(
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@ -736,83 +736,86 @@ class EdgeManager(object):
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def _free_edge_appliance(self, context, router_id):
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"""Try to collect one edge to pool."""
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binding = nsxv_db.get_nsxv_router_binding(context.session, router_id)
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if not binding:
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LOG.warning("router binding for router: %s "
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"not found", router_id)
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return
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dist = (binding['edge_type'] == nsxv_constants.VDR_EDGE)
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edge_id = binding['edge_id']
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availability_zone_name = nsxv_db.get_edge_availability_zone(
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context.session, edge_id)
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az_pool = self._get_az_pool(availability_zone_name)
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edge_pool_range = az_pool[binding['edge_type']].get(
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binding['appliance_size'])
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with locking.LockManager.get_lock('nsx-edge-backup-pool'):
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binding = nsxv_db.get_nsxv_router_binding(context.session,
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router_id)
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if not binding:
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LOG.warning("router binding for router: %s "
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"not found", router_id)
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return
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dist = (binding['edge_type'] == nsxv_constants.VDR_EDGE)
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edge_id = binding['edge_id']
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availability_zone_name = nsxv_db.get_edge_availability_zone(
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context.session, edge_id)
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az_pool = self._get_az_pool(availability_zone_name)
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edge_pool_range = az_pool[binding['edge_type']].get(
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binding['appliance_size'])
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nsxv_db.delete_nsxv_router_binding(
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context.session, router_id)
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backup_router_id = (vcns_const.BACKUP_ROUTER_PREFIX +
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_uuid())[:vcns_const.EDGE_NAME_LEN]
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nsxv_db.add_nsxv_router_binding(
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context.session,
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backup_router_id,
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edge_id,
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None,
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constants.PENDING_UPDATE,
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appliance_size=binding['appliance_size'],
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edge_type=binding['edge_type'],
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availability_zone=availability_zone_name)
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nsxv_db.delete_nsxv_router_binding(
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context.session, router_id)
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backup_router_id = (vcns_const.BACKUP_ROUTER_PREFIX +
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_uuid())[:vcns_const.EDGE_NAME_LEN]
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nsxv_db.add_nsxv_router_binding(
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context.session,
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backup_router_id,
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edge_id,
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None,
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constants.PENDING_UPDATE,
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appliance_size=binding['appliance_size'],
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edge_type=binding['edge_type'],
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availability_zone=availability_zone_name)
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router_id = backup_router_id
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if (binding['status'] == constants.ERROR or
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not self.check_edge_active_at_backend(edge_id) or
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not edge_pool_range):
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nsxv_db.update_nsxv_router_binding(
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context.session, router_id,
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status=constants.PENDING_DELETE)
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# delete edge
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self._get_worker_pool().spawn_n(
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self.nsxv_manager.delete_edge, q_context.get_admin_context(),
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router_id, edge_id, dist=dist)
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return
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router_id = backup_router_id
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if (binding['status'] == constants.ERROR or
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not self.check_edge_active_at_backend(edge_id) or
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not edge_pool_range):
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nsxv_db.update_nsxv_router_binding(
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context.session, router_id,
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status=constants.PENDING_DELETE)
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# delete edge
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self._get_worker_pool().spawn_n(
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self.nsxv_manager.delete_edge,
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q_context.get_admin_context(),
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router_id, edge_id, dist=dist)
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return
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availability_zone = self._availability_zones.get_availability_zone(
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availability_zone_name)
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with locking.LockManager.get_lock('nsx-edge-request'):
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availability_zone = self._availability_zones.get_availability_zone(
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availability_zone_name)
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self._clean_all_error_edge_bindings(
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context, availability_zone=availability_zone)
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backup_router_bindings = self._get_backup_edge_bindings(
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context, appliance_size=binding['appliance_size'],
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edge_type=binding['edge_type'],
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availability_zone=availability_zone)
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backup_num = len(backup_router_bindings)
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# collect the edge to pool if pool not full
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if backup_num < edge_pool_range['maximum_pooled_edges']:
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# change edge's name at backend
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update_result = self.nsxv_manager.update_edge(
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context, backup_router_id, edge_id, backup_router_id, None,
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appliance_size=binding['appliance_size'], dist=dist,
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availability_zone=availability_zone)
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backup_num = len(backup_router_bindings)
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# collect the edge to pool if pool not full
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if backup_num < edge_pool_range['maximum_pooled_edges']:
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# change edge's name at backend
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update_result = self.nsxv_manager.update_edge(
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context, backup_router_id, edge_id, backup_router_id, None,
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appliance_size=binding['appliance_size'], dist=dist,
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availability_zone=availability_zone)
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# Clean all edge vnic bindings
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nsxv_db.clean_edge_vnic_binding(context.session, edge_id)
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# Refresh edge_vnic_bindings for centralized router
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if not dist and edge_id:
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nsxv_db.init_edge_vnic_binding(context.session, edge_id)
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# Clean all edge vnic bindings
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nsxv_db.clean_edge_vnic_binding(context.session, edge_id)
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# Refresh edge_vnic_bindings for centralized router
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if not dist and edge_id:
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nsxv_db.init_edge_vnic_binding(context.session, edge_id)
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if update_result:
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if update_result:
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nsxv_db.update_nsxv_router_binding(
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context.session, backup_router_id,
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status=constants.ACTIVE)
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LOG.debug("Collect edge: %s to pool", edge_id)
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else:
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nsxv_db.update_nsxv_router_binding(
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context.session, backup_router_id,
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status=constants.ACTIVE)
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LOG.debug("Collect edge: %s to pool", edge_id)
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else:
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nsxv_db.update_nsxv_router_binding(
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context.session, router_id,
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status=constants.PENDING_DELETE)
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# delete edge
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self._get_worker_pool().spawn_n(
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self.nsxv_manager.delete_edge, q_context.get_admin_context(),
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router_id, edge_id, dist=dist)
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context.session, router_id,
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status=constants.PENDING_DELETE)
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# delete edge
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self._get_worker_pool().spawn_n(
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self.nsxv_manager.delete_edge,
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q_context.get_admin_context(),
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router_id, edge_id, dist=dist)
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def _allocate_dhcp_edge_appliance(self, context, resource_id,
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availability_zone):
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