View source for Deleting a public network in openstack

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[david@hairybacon vscaler]$ cat delete-a-network.txt 
# clean out a user profile 
source vscaler-openrc.sh


# delete instances
nova list
nova delete cc7884dc-b24f-4ce0-81b4-f6c54bcd8cc7# delete the ports


# delete ports
[root@head ~]# neutron port-list
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
| id                                   | name | mac_address       | fixed_ips                                                                         |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
| 461349e7-08db-49f4-8cad-99a9135c000d |      | fa:16:3e:17:06:90 | {"subnet_id": "8a1924bb-03d5-4ae8-90c7-9422eaf50bd6", "ip_address": "172.16.1.2"} |
| 735d2194-1054-47ec-a309-191eccda36cc |      | fa:16:3e:6a:ad:06 | {"subnet_id": "8a1924bb-03d5-4ae8-90c7-9422eaf50bd6", "ip_address": "172.16.1.1"} |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
[root@head ~]# neutron port-delete 461349e7-08db-49f4-8cad-99a9135c000d
Deleted port: 461349e7-08db-49f4-8cad-99a9135c000d
[root@head ~]# neutron port-delete 735d2194-1054-47ec-a309-191eccda36cc
Port 735d2194-1054-47ec-a309-191eccda36cc cannot be deleted directly via the port API: has device owner network:router_interface

# let delete the ports on the router so 
[root@head ~]# neutron router-list
+--------------------------------------+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| id                                   | name   | external_gateway_info                                                                                                                                                                    |
+--------------------------------------+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 60eba715-5a1c-4178-9da4-db55b34ed42f | router | {"network_id": "ca4c0ab1-9ffd-413b-9809-51017b553f7d", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "7a01af22-cf63-4ee9-9cac-aa96a7508e2b", "ip_address": "160.5.169.59"}]} |
+--------------------------------------+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
[root@head ~]# neutron router-delete 60eba715-5a1c-4178-9da4-db55b34ed42f
Router 60eba715-5a1c-4178-9da4-db55b34ed42f still has ports
# we'll need to clear the gateway if one exists (If the router is attached to any given network, and has a gateway set, first the gateway needs to be cleared and no ports should be in use. Then we can delete the Router.)
[root@head ~]# neutron router-show 60eba715-5a1c-4178-9da4-db55b34ed42f 
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field                 | Value                                                                                                                                                                                    |
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up        | True                                                                                                                                                                                     |
| external_gateway_info | {"network_id": "ca4c0ab1-9ffd-413b-9809-51017b553f7d", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "7a01af22-cf63-4ee9-9cac-aa96a7508e2b", "ip_address": "160.5.169.59"}]} |
| id                    | 60eba715-5a1c-4178-9da4-db55b34ed42f                                                                                                                                                     |
| name                  | router                                                                                                                                                                                   |
| routes                |                                                                                                                                                                                          |
| status                | ACTIVE                                                                                                                                                                                   |
| tenant_id             | 63353742c16b44e0a8245b2d61bed075                                                                                                                                                         |
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
[root@head ~]# neutron router-gateway-clear 60eba715-5a1c-4178-9da4-db55b34ed42f 
Removed gateway from router 60eba715-5a1c-4178-9da4-db55b34ed42f
[root@head ~]# neutron router-port-list 60eba715-5a1c-4178-9da4-db55b34ed42f
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
| id                                   | name | mac_address       | fixed_ips                                                                         |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
| 735d2194-1054-47ec-a309-191eccda36cc |      | fa:16:3e:6a:ad:06 | {"subnet_id": "8a1924bb-03d5-4ae8-90c7-9422eaf50bd6", "ip_address": "172.16.1.1"} |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+
[root@head ~]# neutron subnet-list
+--------------------------------------+---------+-----------------+--------------------------------------------------+
| id                                   | name    | cidr            | allocation_pools                                 |
+--------------------------------------+---------+-----------------+--------------------------------------------------+
| 7a01af22-cf63-4ee9-9cac-aa96a7508e2b | public  | 160.5.169.32/27 | {"start": "160.5.169.47", "end": "160.5.169.51"} |
|                                      |         |                 | {"start": "160.5.169.33", "end": "160.5.169.40"} |
|                                      |         |                 | {"start": "160.5.169.53", "end": "160.5.169.61"} |
| 8a1924bb-03d5-4ae8-90c7-9422eaf50bd6 | private | 172.16.1.0/24   | {"start": "172.16.1.2", "end": "172.16.1.254"}   |
+--------------------------------------+---------+-----------------+--------------------------------------------------+
[root@head ~]# neutron router-interface-delete 60eba715-5a1c-4178-9da4-db55b34ed42f 8a1924bb-03d5-4ae8-90c7-9422eaf50bd6
Removed interface from router 60eba715-5a1c-4178-9da4-db55b34ed42f.
[root@head ~]# neutron router-port-list 60eba715-5a1c-4178-9da4-db55b34ed42f

[root@head ~]# neutron router-delete 60eba715-5a1c-4178-9da4-db55b34ed42f
Deleted router: 60eba715-5a1c-4178-9da4-db55b34ed42f
[root@head ~]# neutron router-list

[root@head ~]# 

# now we can delete the public net as admin
[root@head ~]# source admin-openrc.sh 
[root@head ~]# neutron net-list
+--------------------------------------+---------+------------------------------------------------------+
| id                                   | name    | subnets                                              |
+--------------------------------------+---------+------------------------------------------------------+
| ca4c0ab1-9ffd-413b-9809-51017b553f7d | public  | 7a01af22-cf63-4ee9-9cac-aa96a7508e2b 160.5.169.32/27 |
| e72f1ccb-45df-443d-982d-8084786e3a36 | private | 8a1924bb-03d5-4ae8-90c7-9422eaf50bd6 172.16.1.0/24   |
+--------------------------------------+---------+------------------------------------------------------+
[root@head ~]# neutron router-list

[root@head ~]# neutron net-delete ca4c0ab1-9ffd-413b-9809-51017b553f7d 
Deleted network: ca4c0ab1-9ffd-413b-9809-51017b553f7d
[root@head ~]# neutron subnet-list
+--------------------------------------+---------+---------------+------------------------------------------------+
| id                                   | name    | cidr          | allocation_pools                               |
+--------------------------------------+---------+---------------+------------------------------------------------+
| 8a1924bb-03d5-4ae8-90c7-9422eaf50bd6 | private | 172.16.1.0/24 | {"start": "172.16.1.2", "end": "172.16.1.254"} |
+--------------------------------------+---------+---------------+------------------------------------------------+
[root@head ~]# neutron net-list
+--------------------------------------+---------+----------------------------------------------------+
| id                                   | name    | subnets                                            |
+--------------------------------------+---------+----------------------------------------------------+
| e72f1ccb-45df-443d-982d-8084786e3a36 | private | 8a1924bb-03d5-4ae8-90c7-9422eaf50bd6 172.16.1.0/24 |
+--------------------------------------+---------+----------------------------------------------------+


[david@hairybacon vscaler]$ 

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