Public bug reported:
[Summary]
can update the gateway of subnet to a used ip
[Topo]
devstack all-in-one node
[Description and expect result]
can not update the gateway of subnet to a used ip , should reject the update
and give error info.
[Reproduceable or not]
reproduceable
[Recreate Steps]
1) create a network/subnet:
root@45-59:/opt/stack/devstack# neutron subnet-create net-12 12.0.0.0/24 --name
sub-12
Created a new subnet:
+-------------------+--------------------------------------------+
| Field | Value |
+-------------------+--------------------------------------------+
| allocation_pools | {"start": "12.0.0.2", "end": "12.0.0.254"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.1 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+--------------------------------------------+
2) update the pool of the subnet:
root@45-59:/opt/stack/devstack# neutron subnet-update --allocation-pool
start=12.0.0.100,end=12.0.0.200 sub-12
Updated subnet: sub-12
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack# neutron subnet-show sub-12
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "12.0.0.100", "end": "12.0.0.200"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.1 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+----------------------------------------------+
3) we see the ip address "12.0.0.2" is used by dhcp port:
root@45-59:/opt/stack/devstack# neutron port-list | grep 12.0.0
| e125259d-a06b-434d-8440-b0847b6305b5 | | fa:16:3e:cd:a3:0b |
{"subnet_id": "aec8b045-8c8b-4e13-b0ae-0725ccc9446a", "ip_address": "12.0.0.2"}
|
root@45-59:/opt/stack/devstack#
4)update the gateway to the used ip, succeeded, no error: >>>ISSUE
root@45-59:/opt/stack/devstack# neutron subnet-update --gateway 12.0.0.2 sub-12
Updated subnet: sub-12
root@45-59:/opt/stack/devstack#
5) update the gateway to another available ip, failed:
root@45-59:/opt/stack/devstack# neutron subnet-update --gateway 12.0.0.3 sub-12
Current gateway ip 12.0.0.2 already in use by port
e125259d-a06b-434d-8440-b0847b6305b5. Unable to update.
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack# neutron subnet-show sub-12
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "12.0.0.100", "end": "12.0.0.200"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.2 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+----------------------------------------------+
root@45-59:/opt/stack/devstack#
[Configration]
reproduceable bug, no need
[logs]
reproduceable bug, no need
[Root cause anlyze or debug inf]
reproduceable bug
[Attachment]
None
** Affects: neutron
Importance: Undecided
Assignee: Bo Chi (bochi-michael)
Status: New
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https://bugs.launchpad.net/bugs/1527098
Title:
can update the gateway of subnet to a used ip
Status in neutron:
New
Bug description:
[Summary]
can update the gateway of subnet to a used ip
[Topo]
devstack all-in-one node
[Description and expect result]
can not update the gateway of subnet to a used ip , should reject the update
and give error info.
[Reproduceable or not]
reproduceable
[Recreate Steps]
1) create a network/subnet:
root@45-59:/opt/stack/devstack# neutron subnet-create net-12 12.0.0.0/24
--name sub-12
Created a new subnet:
+-------------------+--------------------------------------------+
| Field | Value |
+-------------------+--------------------------------------------+
| allocation_pools | {"start": "12.0.0.2", "end": "12.0.0.254"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.1 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+--------------------------------------------+
2) update the pool of the subnet:
root@45-59:/opt/stack/devstack# neutron subnet-update --allocation-pool
start=12.0.0.100,end=12.0.0.200 sub-12
Updated subnet: sub-12
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack# neutron subnet-show sub-12
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "12.0.0.100", "end": "12.0.0.200"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.1 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+----------------------------------------------+
3) we see the ip address "12.0.0.2" is used by dhcp port:
root@45-59:/opt/stack/devstack# neutron port-list | grep 12.0.0
| e125259d-a06b-434d-8440-b0847b6305b5 | | fa:16:3e:cd:a3:0b |
{"subnet_id": "aec8b045-8c8b-4e13-b0ae-0725ccc9446a", "ip_address": "12.0.0.2"}
|
root@45-59:/opt/stack/devstack#
4)update the gateway to the used ip, succeeded, no error: >>>ISSUE
root@45-59:/opt/stack/devstack# neutron subnet-update --gateway 12.0.0.2
sub-12
Updated subnet: sub-12
root@45-59:/opt/stack/devstack#
5) update the gateway to another available ip, failed:
root@45-59:/opt/stack/devstack# neutron subnet-update --gateway 12.0.0.3
sub-12
Current gateway ip 12.0.0.2 already in use by port
e125259d-a06b-434d-8440-b0847b6305b5. Unable to update.
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack#
root@45-59:/opt/stack/devstack# neutron subnet-show sub-12
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "12.0.0.100", "end": "12.0.0.200"} |
| cidr | 12.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 12.0.0.2 |
| host_routes | |
| id | aec8b045-8c8b-4e13-b0ae-0725ccc9446a |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | sub-12 |
| network_id | ead8928b-eab8-405c-af1d-d43d2bee69c4 |
| subnetpool_id | |
| tenant_id | 6c15aacc1cfe4a9fac35a0c7f8c3e912 |
+-------------------+----------------------------------------------+
root@45-59:/opt/stack/devstack#
[Configration]
reproduceable bug, no need
[logs]
reproduceable bug, no need
[Root cause anlyze or debug inf]
reproduceable bug
[Attachment]
None
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