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Re: wrong IP given by flat network dhcp

To: Michaël Van de Borne <michael.vandeborne@xxxxxxxx>
From: Vishvananda Ishaya <vishvananda@xxxxxxxxx>
Date: Thu, 29 Mar 2012 09:23:43 -0700
Cc: "openstack@xxxxxxxxxxxxxxxxxxx" <openstack@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <4F74164A.1060106@cetic.be>
Your network and fixed ips in the database are from the wrong range.  I would suggest you delete your db and start over.  Make sure you specify the correct range when you create your network.

Vish

On Mar 29, 2012, at 12:59 AM, Michaël Van de Borne wrote:

> Well, I changed /etc/network/interfaces accordingly (see below) and didn't make any change in nova.conf, but the problem still remains. New VM are given IPs from 10.18.9.2 (and not 10.18.9.33). What else can I check?
> 
> 
> $ cat /etc/network/interfaces
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
> 
> # The loopback network interface
> auto lo
> iface lo inet loopback
> 
> # The primary network interface
> auto eth0
> #iface eth0 inet dhcp
> iface eth0 inet static
> address 172.22.22.1
> gateway 172.22.0.1
> netmask 255.255.0.0
> network 172.22.0.0
> broadcast 172.22.255.255
> 
> auto eth1
> iface eth1 inet static
> address 10.18.9.1
> netmask 255.255.255.224
> network 10.18.9.0
> broadcast 10.18.9.31
> 
> Here's the output of ifconfig:
> 
> localadmin@openstack1:~$ ifconfig
> br100     Link encap:Ethernet  HWaddr 5c:f3:fc:1d:4a:42
>          inet addr:10.18.9.1  Bcast:10.18.9.31  Mask:255.255.255.224
>          inet6 addr: fe80::bc06:73ff:fe85:2081/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:189404 errors:0 dropped:1001 overruns:0 frame:0
>          TX packets:6063 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:12010565 (12.0 MB)  TX bytes:1100566 (1.1 MB)
> 
> eth0      Link encap:Ethernet  HWaddr 5c:f3:fc:1d:4a:40
>          inet addr:172.22.22.1  Bcast:172.22.255.255  Mask:255.255.0.0
>          inet6 addr: fe80::5ef3:fcff:fe1d:4a40/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:473034 errors:0 dropped:1133 overruns:0 frame:0
>          TX packets:168957 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:321962311 (321.9 MB)  TX bytes:14763893 (14.7 MB)
>          Interrupt:30 Memory:fa000000-fa012800
> 
> eth1      Link encap:Ethernet  HWaddr 5c:f3:fc:1d:4a:42
>          inet6 addr: fe80::5ef3:fcff:fe1d:4a42/64 Scope:Link
>          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>          RX packets:890 errors:0 dropped:132 overruns:0 frame:0
>          TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:69871 (69.8 KB)  TX bytes:1980 (1.9 KB)
>          Interrupt:37 Memory:92000000-92012800
> 
> lo        Link encap:Local Loopback
>          inet addr:127.0.0.1  Mask:255.0.0.0
>          inet6 addr: ::1/128 Scope:Host
>          UP LOOPBACK RUNNING  MTU:16436  Metric:1
>          RX packets:572149 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:572149 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:817303115 (817.3 MB)  TX bytes:817303115 (817.3 MB)
> 
> virbr0    Link encap:Ethernet  HWaddr 8a:ae:91:b4:11:6b
>          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
>          UP BROADCAST MULTICAST  MTU:1500  Metric:1
>          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:0
>          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
> 
> vnet0     Link encap:Ethernet  HWaddr fe:16:3e:63:b4:35
>          inet6 addr: fe80::fc16:3eff:fe63:b435/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:150 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:792 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:500
>          RX bytes:15341 (15.3 KB)  TX bytes:61254 (61.2 KB)
> 
> 
> 
> Michaël Van de Borne
> R&D Engineer, SOA team, CETIC
> Phone: +32 (0)71 49 07 45 Mobile: +32 (0)472 69 57 16, Skype: mikemowgli
> www.cetic.be, rue des Frères Wright, 29/3, B-6041 Charleroi
> 
> 
> Le 28/03/12 18:50, Vishvananda Ishaya a écrit :
>> You have to create your network with the same range
>> it looks like you created with something like 10.18.9.0/24
>> 
>> On Mar 28, 2012, at 8:33 AM, Michaël Van de Borne wrote:
>> 
>>> Hello,
>>> 
>>> I installed Essex on Ubuntu 12.04 Server, and I had a problem with VM IP.
>>> 
>>> The IP given to the VM (10.18.9.2) isn't in the fixed_range. Here's a portion of nova.conf:
>>> 
>>> # cat /etc/nova/nova.conf
>>> [...]
>>> --network_manager=nova.network.manager.FlatDHCPManager
>>> --public_interface=eth0
>>> --flat_interface=eth1
>>> --flat_network_bridge=br100
>>> --fixed_range=10.18.9.32/27
>>> --floating_range=172.22.22.32/27
>>> --network_size=32
>>> --flat_network_dhcp_start=10.18.9.33
>>> 
>>> and here's the host network config:
>>> 
>>> # cat /etc/network/interfaces
>>> auto eth0
>>> iface eth0 inet static
>>> address 172.22.22.1
>>> gateway 172.22.0.1
>>> netmask 255.255.0.0
>>> network 172.22.0.0
>>> broadcast 172.22.255.255
>>> 
>>> auto eth1
>>> iface eth1 inet static
>>> address 10.18.9.1
>>> netmask 255.255.0.0
>>> network 10.18.0.0
>>> broadcast 10.18.255.255
>>> 
>>> Then I deployed another VM, and I was given IP 10.18.9.3. Here's an excerpt of /var/log/nova/nova-network.log when I deployed this machine:
>>> 
>>> 2012-03-28 17:29:16 DEBUG nova.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_context_request_id': u'req-aa77b53c-be43-4b4e-bf82-98f62bff7f52', u'_context_read_deleted': u'no', u'args': {u'address': u'10.18.9.3'}, u'_context_auth_token': None, u'_context_is_admin': True, u'_context_project_id': None, u'_context_timestamp': u'2012-03-28T15:29:16.569136', u'_context_user_id': None, u'method': u'lease_fixed_ip', u'_context_remote_address': None} from (pid=17249) _safe_log /usr/lib/python2.7/dist-packages/nova/rpc/common.py:144
>>> 2012-03-28 17:29:16 DEBUG nova.rpc.amqp [req-aa77b53c-be43-4b4e-bf82-98f62bff7f52 None None] unpacked context: {'request_id': u'req-aa77b53c-be43-4b4e-bf82-98f62bff7f52', 'user_id': None, 'roles': [u'admin'], 'timestamp': '2012-03-28T15:29:16.569136', 'is_admin': True, 'auth_token': None, 'project_id': None, 'remote_address': None, 'read_deleted': u'no'} from (pid=17249) unpack_context /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:188
>>> 2012-03-28 17:29:16 DEBUG nova.network.manager [req-aa77b53c-be43-4b4e-bf82-98f62bff7f52 None None] Leased IP |10.18.9.3| from (pid=17249) lease_fixed_ip /usr/lib/python2.7/dist-packages/nova/network/manager.py:1222
>>> 2012-03-28 17:29:16 DEBUG nova.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_msg_id': u'ba410b9f98c04023b68f6ea6e95d775e', u'_context_read_deleted': u'no', u'_context_request_id': u'req-11a728d5-d7f5-4c65-a2ce-6d958585e574', u'args': {u'address': u'10.18.9.3'}, u'_context_auth_token': None, u'_context_is_admin': True, u'_context_project_id': None, u'_context_timestamp': u'2012-03-28T15:29:16.820602', u'_context_user_id': None, u'method': u'get_fixed_ip_by_address', u'_context_remote_address': None} from (pid=17249) _safe_log /usr/lib/python2.7/dist-packages/nova/rpc/common.py:144
>>> 2012-03-28 17:29:16 DEBUG nova.rpc.amqp [req-11a728d5-d7f5-4c65-a2ce-6d958585e574 None None] unpacked context: {'request_id': u'req-11a728d5-d7f5-4c65-a2ce-6d958585e574', 'user_id': None, 'roles': [u'admin'], 'timestamp': '2012-03-28T15:29:16.820602', 'is_admin': True, 'auth_token': None, 'project_id': None, 'remote_address': None, 'read_deleted': u'no'} from (pid=17249) unpack_context /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:188
>>> 2012-03-28 17:29:40 DEBUG nova.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_msg_id': u'50999ff995cd4f7e8e441885d3ada543', u'_context_read_deleted': u'no', u'_context_request_id': u'req-563547e8-6f6f-43b1-9449-681ff43dad33', u'args': {u'instance_id': 3, u'instance_uuid': u'b7ec8623-e002-4682-a37b-50e1d047c134', u'host': u'openstack1', u'project_id': u'0a9e24ccc1ac46eea75154c85bb4052e', u'rxtx_factor': 1.0}, u'_context_auth_token': None, u'_context_is_admin': True, u'_context_project_id': None, u'_context_timestamp': u'2012-03-28T15:29:31.151885', u'_context_user_id': None, u'method': u'get_instance_nw_info', u'_context_remote_address': None} from (pid=17249) _safe_log /usr/lib/python2.7/dist-packages/nova/rpc/common.py:144
>>> 
>>> 
>>> what am I doing wrong?
>>> 
>>> 
>>> -- 
>>> Michaël Van de Borne
>>> R&D Engineer, SOA team, CETIC
>>> Phone: +32 (0)71 49 07 45 Mobile: +32 (0)472 69 57 16, Skype: mikemowgli
>>> www.cetic.be, rue des Frères Wright, 29/3, B-6041 Charleroi
>>> 
>>> 
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~openstack
>>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>>> Unsubscribe : https://launchpad.net/~openstack
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References

wrong IP given by flat network dhcp
From: Michaël Van de Borne, 2012-03-28
Re: wrong IP given by flat network dhcp
From: Vishvananda Ishaya, 2012-03-28
Re: wrong IP given by flat network dhcp
From: Michaël Van de Borne, 2012-03-29