Public bug reported: When trying to create bulk IPv6 subnet from .json file on devstack( ubuntu server 16.04, latest openstack master version ), it throws an 500 internal server error.
This only happens, when trying to create bulk IPv6 subnets in slaac and
dhcp stateless modes and there is already another subnet on that
specific network.
It works fine with dhcp stateful.
There is also no problem when trying to do this with "openstack subnet
create" or without bulk .json file.
Here are reproduction steps:
$ . ~/devstack/openrc admin
$ openstack network create n1
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value
|
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up | UP
|
| availability_zone_hints |
|
| availability_zones |
|
| created_at | 2019-04-01T11:49:40Z
|
| description |
|
| dns_domain | None
|
| id | 435383ce-4189-43d9-b6dd-ac947a5f711c
|
| ipv4_address_scope | None
|
| ipv6_address_scope | None
|
| is_default | False
|
| is_vlan_transparent | None
|
| location | Munch({'project': Munch({'domain_id': 'default',
'id': u'c83b8eb6f6de41d1867c2ce1a9864b86', 'name': 'demo', 'domain_name':
None}), 'cloud': '', 'region_name': 'RegionOne', 'zone': None}) |
| mtu | 1450
|
| name | n1
|
| port_security_enabled | True
|
| project_id | c83b8eb6f6de41d1867c2ce1a9864b86
|
| provider:network_type | vxlan
|
| provider:physical_network | None
|
| provider:segmentation_id | 29
|
| qos_policy_id | None
|
| revision_number | 1
|
| router:external | Internal
|
| segments | None
|
| shared | False
|
| status | ACTIVE
|
| subnets |
|
| tags |
|
| updated_at | 2019-04-01T11:49:40Z
|
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
$ export MY_TOKEN=$(openstack token issue -c id -f value)
$ cat bulk_ipv4.json
{
"subnets": [
{
"cidr": "192.168.0.0/24",
"ip_version": 4,
"network_id": "435383ce-4189-43d9-b6dd-ac947a5f711c",
"enable_dhcp": true,
"name": "subnet1"
}
]
}
$ curl -H "X-Auth-Token: $MY_TOKEN" -X POST
http://127.0.0.1:9696/v2.0/subnets -d @~/bulk_ipv4.json
$ cat bulk_ipv6.json
{
"subnets": [
{
"name": "subnet12_v6",
"network_id": "435383ce-4189-43d9-b6dd-ac947a5f711c",
"gateway_ip": "fd00:2:1234::1",
"ip_version": 6,
"cidr": "fd00:2:1234::/64",
"enable_dhcp": true,
"ipv6_ra_mode": "slaac",
"ipv6_address_mode": "slaac"
}
]
}
$ curl -H "X-Auth-Token: $MY_TOKEN" -X POST http://127.0.0.1:9696/v2.0/subnets
-d @~/bulkv6.json | jq
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 402 100 150 100 252 471 792 --:--:-- --:--:-- --:--:-- 794
{
"NeutronError": {
"message": "Request Failed: internal server error while processing your
request.",
"type": "HTTPInternalServerError",
"detail": ""
}
}
[Last few lines are from neutron server log]
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation
self._create_subnet_postcommit(context, result, net_db, ipam_sub)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/usr/local/lib/python2.7/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation return method(*args, **kwargs)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/opt/stack/neutron/neutron/db/db_base_plugin_v2.py", line 730, in
_create_subnet_postcommit
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation self.update_port(context, port_id,
port_info)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/opt/stack/neutron/neutron/common/utils.py", line 668, in inner
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation "transaction.") % f)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation RuntimeError: Method <function update_port
at 0x7f50c198ff50> cannot be called within a transaction.
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation
** Affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1822582
Title:
Bulk IPv6 subnet create error
Status in neutron:
New
Bug description:
When trying to create bulk IPv6 subnet from .json file on devstack(
ubuntu server 16.04, latest openstack master version ), it throws an
500 internal server error.
This only happens, when trying to create bulk IPv6 subnets in slaac
and dhcp stateless modes and there is already another subnet on that
specific network.
It works fine with dhcp stateful.
There is also no problem when trying to do this with "openstack subnet
create" or without bulk .json file.
Here are reproduction steps:
$ . ~/devstack/openrc admin
$ openstack network create n1
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value
|
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up | UP
|
| availability_zone_hints |
|
| availability_zones |
|
| created_at | 2019-04-01T11:49:40Z
|
| description |
|
| dns_domain | None
|
| id | 435383ce-4189-43d9-b6dd-ac947a5f711c
|
| ipv4_address_scope | None
|
| ipv6_address_scope | None
|
| is_default | False
|
| is_vlan_transparent | None
|
| location | Munch({'project': Munch({'domain_id':
'default', 'id': u'c83b8eb6f6de41d1867c2ce1a9864b86', 'name': 'demo',
'domain_name': None}), 'cloud': '', 'region_name': 'RegionOne', 'zone': None}) |
| mtu | 1450
|
| name | n1
|
| port_security_enabled | True
|
| project_id | c83b8eb6f6de41d1867c2ce1a9864b86
|
| provider:network_type | vxlan
|
| provider:physical_network | None
|
| provider:segmentation_id | 29
|
| qos_policy_id | None
|
| revision_number | 1
|
| router:external | Internal
|
| segments | None
|
| shared | False
|
| status | ACTIVE
|
| subnets |
|
| tags |
|
| updated_at | 2019-04-01T11:49:40Z
|
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
$ export MY_TOKEN=$(openstack token issue -c id -f value)
$ cat bulk_ipv4.json
{
"subnets": [
{
"cidr": "192.168.0.0/24",
"ip_version": 4,
"network_id": "435383ce-4189-43d9-b6dd-ac947a5f711c",
"enable_dhcp": true,
"name": "subnet1"
}
]
}
$ curl -H "X-Auth-Token: $MY_TOKEN" -X POST
http://127.0.0.1:9696/v2.0/subnets -d @~/bulk_ipv4.json
$ cat bulk_ipv6.json
{
"subnets": [
{
"name": "subnet12_v6",
"network_id": "435383ce-4189-43d9-b6dd-ac947a5f711c",
"gateway_ip": "fd00:2:1234::1",
"ip_version": 6,
"cidr": "fd00:2:1234::/64",
"enable_dhcp": true,
"ipv6_ra_mode": "slaac",
"ipv6_address_mode": "slaac"
}
]
}
$ curl -H "X-Auth-Token: $MY_TOKEN" -X POST
http://127.0.0.1:9696/v2.0/subnets -d @~/bulkv6.json | jq
% Total % Received % Xferd Average Speed Time Time Time
Current
Dload Upload Total Spent Left Speed
100 402 100 150 100 252 471 792 --:--:-- --:--:-- --:--:-- 794
{
"NeutronError": {
"message": "Request Failed: internal server error while processing your
request.",
"type": "HTTPInternalServerError",
"detail": ""
}
}
[Last few lines are from neutron server log]
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation
self._create_subnet_postcommit(context, result, net_db, ipam_sub)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/usr/local/lib/python2.7/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation return method(*args, **kwargs)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/opt/stack/neutron/neutron/db/db_base_plugin_v2.py", line 730, in
_create_subnet_postcommit
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation self.update_port(context, port_id,
port_info)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation File
"/opt/stack/neutron/neutron/common/utils.py", line 668, in inner
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation "transaction.") % f)
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation RuntimeError: Method <function update_port
at 0x7f50c198ff50> cannot be called within a transaction.
Apr 01 13:55:37 vm neutron-server[10148]: ERROR
neutron.pecan_wsgi.hooks.translation
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