[openstack-dev] [nova][docker] docker and openstack disagree about the IP address

John Bresnahan john at bresnahan.me
Tue Mar 4 09:05:04 UTC 2014


Hello all,

I am trying to setup a devstack vagrant virtualbox VM and running into 
network troubles.  I can successful launch an container but docker and 
openstack disagree on the IP address of that instance. Docker has the 
correct IP.  I an running devstack stable/havana on ubuntu 12.04.  My 
session is below.  Any help is greatly appreciated.

Thanks,

John

nova boot --flavor 1 --image 5709b62d-0b54-43d9-82b6-fd149e477350 tst

nova list
+--------------------------------------+------+--------+------------+-------------+------------------+
| ID                                   | Name | Status | Task State | 
Power State | Networks         |
+--------------------------------------+------+--------+------------+-------------+------------------+
| 4f331975-497d-4cbe-ad73-ca333e178e19 | tst  | ACTIVE | - | NOSTATE     
| private=10.0.0.2 |
+--------------------------------------+------+--------+------------+-------------+------------------+

$ ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
 From 10.0.0.1 icmp_seq=1 Destination Host Unreachable
 From 10.0.0.1 icmp_seq=2 Destination Host Unreachable
 From 10.0.0.1 icmp_seq=3 Destination Host Unreachable
^C
--- 10.0.0.2 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2999ms
pipe 3

$ docker ps
CONTAINER ID        IMAGE COMMAND                CREATED             
STATUS PORTS                    NAMES
ebc7eae3e777        172.16.129.20:5042/docker-busybox:latest 
sh                     9 minutes ago       Up 9 
minutes                                 lonely_pasteur
a4ea16899219        docker-registry:latest ./docker-registry/ru   24 
minutes ago      Up 24 minutes 0.0.0.0:5042->5000/tcp   tender_brown

$ docker inspect ebc7eae3e777
....
     "NetworkSettings": {
         "IPAddress": "172.17.0.3",
...

$ ping 172.17.0.3
PING 172.17.0.3 (172.17.0.3) 56(84) bytes of data.
64 bytes from 172.17.0.3: icmp_req=1 ttl=64 time=0.081 ms
64 bytes from 172.17.0.3: icmp_req=2 ttl=64 time=0.053 ms








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