I may have found the problem. I have 2 Quantum networks, and I don't see a DHCP
server running on one of them. See below:
ubuntu@ryu1:~/devstack$ quantum subnet-list
+--------------------------------------+------+------------------+------------------------------------------------------+
| id | name | cidr |
allocation_pools |
+--------------------------------------+------+------------------+------------------------------------------------------+
| 51a4e945-6566-4559-9cc3-4c6466dbd4cb | | 10.0.0.0/24 | {"start":
"10.0.0.2", "end": "10.0.0.254"} |
| 62123ffa-f094-4054-abee-c7f2f766521d | | 192.168.100.0/24 | {"start":
"192.168.100.2", "end": "192.168.100.254"} |
+--------------------------------------+------+------------------+------------------------------------------------------+
ubuntu@ryu1:~/devstack$ quantum subnet-show 62123ffa-f094-4054-abee-c7f2f766521d
+------------------+------------------------------------------------------+
| Field | Value |
+------------------+------------------------------------------------------+
| allocation_pools | {"start": "192.168.100.2", "end": "192.168.100.254"} |
| cidr | 192.168.100.0/24 |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 192.168.100.1 |
| host_routes | |
| id | 62123ffa-f094-4054-abee-c7f2f766521d |
| ip_version | 4 |
| name | |
| network_id | eedd4b41-b232-4370-8a1c-786a128638f6 |
| tenant_id | e95a7aa5d1e74ebd8914c7d4900447ab |
+------------------+------------------------------------------------------+
ubuntu@ryu1:~/devstack$
When I do a "ps auxw|grep dhcp", I only see one running for the first network
with addresses
in the 10.0.0.0/24 channel.
ubuntu@ryu1:~/devstack$ quantum subnet-list
+--------------------------------------+------+------------------+------------------------------------------------------+
| id | name | cidr |
allocation_pools |
+--------------------------------------+------+------------------+------------------------------------------------------+
| 51a4e945-6566-4559-9cc3-4c6466dbd4cb | | 10.0.0.0/24 | {"start":
"10.0.0.2", "end": "10.0.0.254"} |
| 62123ffa-f094-4054-abee-c7f2f766521d | | 192.168.100.0/24 | {"start":
"192.168.100.2", "end": "192.168.100.254"} |
+--------------------------------------+------+------------------+------------------------------------------------------+
ubuntu@ryu1:~/devstack$ quantum subnet-show 62123ffa-f094-4054-abee-c7f2f766521d
+------------------+------------------------------------------------------+
| Field | Value |
+------------------+------------------------------------------------------+
| allocation_pools | {"start": "192.168.100.2", "end": "192.168.100.254"} |
| cidr | 192.168.100.0/24 |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 192.168.100.1 |
| host_routes | |
| id | 62123ffa-f094-4054-abee-c7f2f766521d |
| ip_version | 4 |
| name | |
| network_id | eedd4b41-b232-4370-8a1c-786a128638f6 |
| tenant_id | e95a7aa5d1e74ebd8914c7d4900447ab |
+------------------+------------------------------------------------------+
ubuntu@ryu1:~/devstack$
Any ideas?
Thanks,
Kyle
On Oct 26, 2012, at 9:41 AM, Kyle Mestery (kmestery) <[email protected]> wrote:
> Hi Kaneko:
>
> I was able to confirm no IP address by logging into the console and doing a
> "ifconfig eth0" on the VM. Further, I followed your steps below, and in step
> #1,
> there is no IP assignment given to the VM. Running the ping with the specified
> netns failed as well. Also, my VMs were assigned addresses in the
> 192.168.100.x/24
> address space, which was different from yours. Not sure if that matters.
>
> Like I said, I suspect that perhaps there is something odd about my setup
> since I've
> ported your images to VirtualBox, but I can't quite figure out what that is.
> Anything else
> for me to look at?
>
> Thank you for the help!
>
> Kyle
>
> On Oct 26, 2012, at 2:35 AM, Yoshihiro Kaneko <[email protected]> wrote:
>
>> Hi Kyle,
>>
>> How did you confirm that IP address was not given to VM?
>> Please confirm with the following command.
>>
>> 1. see console output of VM
>>
>> $ nova console-log vm1 | tail -30
>> Initializing random number generator... done.
>> Starting network...
>> udhcpc (v1.18.5) started
>> Sending discover...
>> Sending select for 10.0.0.3...
>> Lease of 10.0.0.3 obtained, lease time 120
>> deleting routers
>> route: SIOCDELRT: No such process
>> adding dns 10.0.0.2
>> cloud-setup: checking http://169.254.169.254/2009-04-04/meta-data/instance-id
>> cloud-setup: successful after 1/30 tries: up 14.29. iid=i-00000001
>> wget: server returned error: HTTP/1.1 404 Not Found
>> failed to get http://169.254.169.254/latest/meta-data/public-keys
>> Starting dropbear sshd: generating rsa key... generating dsa key... OK
>> ===== cloud-final: system completely up in 15.15 seconds ====
>> instance-id: i-00000001
>> public-ipv4:
>> local-ipv4 : 10.0.0.3
>> wget: server returned error: HTTP/1.1 404 Not Found
>> cloud-userdata: failed to read user data url:
>> http://169.254.169.254/2009-04-04/user-data
>> WARN: /etc/rc3.d/S99-cloud-userdata failed
>> ____ ____ ____
>> / __/ __ ____ ____ / __ \/ __/
>> / /__ / // __// __// /_/ /\ \
>> \___//_//_/ /_/ \____/___/
>> http://launchpad.net/cirros
>>
>>
>> login as 'cirros' user. default password: 'cubswin:)'. use 'sudo' for root.
>> cirros login:
>>
>>
>> 2. ping to VM on network namespace
>>
>> $ ip netns
>> qrouter-223854b4-ef25-4f65-b32f-254418dbb439
>> qdhcp-729be6af-188f-4174-b889-0789bfa87d4a
>> $
>> $ sudo ip netns exec qrouter-223854b4-ef25-4f65-b32f-254418dbb439 ping
>> 10.0.0.3
>> PING 10.0.0.3 (10.0.0.3) 56(84) bytes of data.
>> 64 bytes from 10.0.0.3: icmp_req=1 ttl=64 time=2.05 ms
>> 64 bytes from 10.0.0.3: icmp_req=2 ttl=64 time=0.926 ms
>> 64 bytes from 10.0.0.3: icmp_req=3 ttl=64 time=0.875 ms
>> 64 bytes from 10.0.0.3: icmp_req=4 ttl=64 time=0.885 ms
>> ^C
>> --- 10.0.0.3 ping statistics ---
>> 4 packets transmitted, 4 received, 0% packet loss, time 3001ms
>> rtt min/avg/max/mdev = 0.875/1.186/2.059/0.504 ms
>> ubuntu@ryu1:~/devstack$ ping 10.0..0.3
>> ping: unknown host 10.0..0.3
>>
>>
>> Thanks,
>> Kaneko
>>
>> 2012/10/26 Isaku Yamahata <[email protected]>:
>>> On Fri, Oct 26, 2012 at 02:03:42AM +0000, Kyle Mestery (kmestery) wrote:
>>>> On Oct 24, 2012, at 5:33 AM, Yoshihiro Kaneko <[email protected]>
>>>> wrote:
>>>>> Hi,
>>>>>
>>>>> I made devstack VM image for Ryu and OpenStack Folsom. Using this VM
>>>>> image, anyone can easily try Ryu and OpenStack.
>>>>> Instructions for this pre-configured VM image:
>>>>> https://github.com/osrg/ryu/wiki/RYU-OpenStack-Folsom-environment-VM-image-file-HOWTO
>>>>> Japanese:
>>>>> https://github.com/osrg/ryu/wiki/RYU-OpenStack-Folsom-environment-VM-image-file-Japanese-HOWTO
>>>>> URL for downloading VM image file is described in this document.
>>>>>
>>>>> Thanks,
>>>>> Kaneko
>>>>
>>>>
>>>> Kaneko:
>>>>
>>>> I have ported this image to VirtualBox by using qemu-img to convert it to
>>>> vmdk, and then
>>>> importing it into VirtualBox. I then created 2 host only networks to mimic
>>>> the public/private
>>>> libvirt networks you specify. I was able to add 3 NICs to each of the 2
>>>> VMs I created from
>>>> the image, adding the public net as network 1, the private net as network
>>>> 2, and a NAT
>>>> network (to get to the outside world) as network 3. I can bring devstack
>>>> up on each one,
>>>> and that works ok. The problem is, when I spin a VM up, it never gets an
>>>> IP address. I suspect
>>>> this may be because in your setup, libvirt has a DHCP server on one of the
>>>> networks
>>>> used by the VMs. I was thinking of running dnsmasq on the controller node
>>>> to alleviate this
>>>> problem when utilizing the images on VirtualBox, but I can't figure out
>>>> which interface to run
>>>> this on. With the latest OpenStack code, there's far too many layers of
>>>> indirection going on.
>>>> Any idea which interface I should run the dnsmasq instance with on the
>>>> controller node?
>>>
>>> Kaneko-san will give more detailed information, though.
>>> quantum-dhcp-agent takes care of starting/stopping dnsmasq. So we don't have
>>> to start/stop dnsmasq manually.
>>> --
>>> yamahata
>
>
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