NSX|V3: address edge case of subnet deletion when attached to router
There is a edge case when when a subnet deletion fails due to it being attached to a router. If the subnet did not have an attached instance ports then the DHCP server was deleted. Subsequent instance ports will not get IP addresses. Change-Id: I12ffcda503f3647d481d574a09104e837c7af5d6
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@ -1533,6 +1533,9 @@ class NsxV3Plugin(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
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def delete_subnet(self, context, subnet_id):
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# TODO(berlin): cancel public external subnet announcement
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if cfg.CONF.nsx_v3.native_dhcp_metadata:
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# Ensure that subnet is not deleted if attached to router.
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self._subnet_check_ip_allocations_internal_router_ports(
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context, subnet_id)
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subnet = self.get_subnet(context, subnet_id)
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if subnet['enable_dhcp']:
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lock = 'nsxv3_network_' + subnet['network_id']
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