[Openstack] [Quantum] Can't Ping Private/Public IP of CentOS Cloud Image 6.4 Instance in Grizlly

安仲奇 stone_an at 163.com
Fri Jan 10 07:32:38 UTC 2014


Hey, Jeffty

SSH-key login works for me. 

I'm running Havana, and my OS is CentOS 6.4.

Is the compute log complaining about error mounting the instance disk or
error injecting key data?

Best wishes!

azq




在 2014-01-10 12:20:03,jeffty <wantwatering at gmail.com> 写道:
>Thanks 安仲奇, that works!
>
>I can ssh it but only with the provided username and password.
>
>When ssh it shows 'Server refused our key'.
>
>Which means we can't use the keypair for login?
>
>Thanks.
>
>On 1/10/2014 10:26 AM, 安仲奇 wrote:
>> i also tried that image, and couldn't ping it either ...
>> 
>> edit the image and shutdown the firewall completely,
>> or try the centos 6.4 image from CatN lab, that one works.
>> 
>> http://catn.com/labs/project/centos-images/
>> 
>> good luck, have fun!
>> 
>> azq
>> 
>> 
>> At 2014-01-10 00:39:12,jeffty <wantwatering at gmail.com> wrote:
>>>Hi,
>>>
>>>I'm running Grizzly in two nodes. One controller and one compute node.
>>>
>>>I tested Cirros and Ubuntu instance. I can ping them with assigned
>>>public IP and SSH them. But for the CentOS cloud image downloaded from
>>>http://wiki.centos.org/Cloud/OpenNebula I failed.
>>>
>>>After assign public IP to CentOS instance it can't be reached(ping or
>>>ssh) by neither of private or public IP.
>>>
>>>After ssh in the Ubuntu/Cirros instance and try to ping the CentOS
>>>instance it still failed. But Ubuntu and Cirros instance succeeded to
>>>ping each other after ssh. And all these instances use the same security
>>>group.
>>>
>>>I found below know issue in OpenNubula:
>>>http://wiki.centos.org/Cloud/OpenNebula
>>>--------------------------------------------------------------------
>>>Known Issues
>>>
>>>Images are built with firewall turned on, with only ssh allowed to
>>>connected in. On a Cloud instance where the access is controlled via
>>>security and network policy, this might not be an ideal state.
>>>--------------------------------------------------------------------
>>>
>>>But now it's not only for ssh but also for ping. Is CentOS cloud image
>>>configured by reject all network access in its firewall rule? If so
>>>since it has no default root password how can we log in them?
>>>
>>>Thanks.
>>>
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>> 
>> 
>> 
>
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