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

jeffty wantwatering at gmail.com
Mon Jan 20 14:01:23 UTC 2014


Hi Georgios,

Yes, virsh-install or kvm to boot a image and install into a qcow2 file.
Upload this as image, that's all.

Here is some resource:

http://docs.openstack.org/image-guide/content/centos-image.html


On 1/20/2014 8:41 PM, Georgios Dimitrakakis wrote:
> Could you ellaborate a little bit more on this...
> 
> What do you mean by saying that you have installed and created the image?
> Did you install it inside OpenStack? How did you create the image?
> 
> Best,
> 
> G.
> 
> On Mon, 20 Jan 2014 11:02:15 +0800, jeffty wrote:
>> Hi Girogis,
>>
>> No available CentOS 6.5 cloud image found. I just downloaded the iso and
>> installed and created the image. You can install cloud-init to create
>> your own cloud image.
>>
>>
>> On 1/20/2014 7:21 AM, giorgis at acmac.uoc.gr wrote:
>>> Could you tell us where did you find the CentOS 6.5 that worked?
>>>
>>> Best,
>>>
>>> G.
>>>
>>>
>>> ----- Reply message -----
>>> Από: "jeffty" <wantwatering at gmail.com>
>>> Προς: "安仲奇" <stone_an at 163.com>
>>> Κοιν.: <openstack at lists.openstack.org>
>>> Θέμα: [Openstack] [Quantum] Can't Ping Private/Public IP of CentOS Cloud
>>> Image 6.4 Instance in Grizlly
>>> Ημ/νία: Σαβ, Ιαν 18, 2014 13:14
>>>
>>>
>>> Hi 安仲奇,
>>>
>>> Although this image is still not allowed to be ssh, I installed another
>>> CentOS 6.5 without cloud-init, get the public key from meta service and
>>> write to the authorized-keys, disabled the firewall rules and SELinux.
>>>
>>> Now I can SSH such instances.
>>>
>>> Thanks.
>>>
>>> On 1/10/2014 3:32 PM, 安仲奇 wrote:
>>>> 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.
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Mailing list:
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>>>> Post to     : openstack at lists.openstack.org
>>>>>>> Unsubscribe :
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
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>>
>>
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> 





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