[Openstack] Cant ping private or floating IP
Chathura M. Sarathchandra Magurawalage
77.chathura at gmail.com
Sat Feb 16 16:01:22 UTC 2013
Hello guys,
The problem still exists. Any ideas?
Thanks
On 15 February 2013 14:37, Sylvain Bauza <sylvain.bauza at digimind.com> wrote:
> Metadata API allows to fetch SSH credentials when booting (pubkey I mean).
> If a VM is unable to reach metadata service, then it won't be able to get
> its public key, so you won't be able to connect, unless you specifically go
> thru a Password authentication (provided password auth is enabled in
> /etc/ssh/sshd_config, which is not the case with Ubuntu cloud archive).
> There is also a side effect, the boot process is longer as the instance is
> waiting for the curl timeout (60sec.) to finish booting up.
>
> Re: Quantum, the metadata API is actually DNAT'd from Network node to the
> Nova-api node (here 172.16.0.1 as internal management IP) :
> Chain quantum-l3-agent-PREROUTING (1 references)
>
> target prot opt source destination
> DNAT tcp -- 0.0.0.0/0 169.254.169.254 tcp dpt:80
> to:172.16.0.1:8775
>
>
> Anyway, the first step is to :
> 1. grab the console.log
> 2. access thru VNC to the desired instance
>
> Troubleshooting will be easier once that done.
>
> -Sylvain
>
>
>
> Le 15/02/2013 14:24, Chathura M. Sarathchandra Magurawalage a écrit :
>
>> Hello Guys,
>>
>> Not sure if this is the right port but these are the results:
>>
>> *Compute node:*
>>
>>
>> root at computenode:~# netstat -an | grep 8775
>> tcp 0 0 0.0.0.0:8775 <http://0.0.0.0:8775> 0.0.0.0:*
>> LISTEN
>>
>> *Controller: *
>>
>>
>> root at controller:~# netstat -an | grep 8775
>> tcp 0 0 0.0.0.0:8775 <http://0.0.0.0:8775> 0.0.0.0:*
>> LISTEN
>>
>> *Additionally I cant curl 169.254.169.254 from the compute node. I am not
>> sure if this is related to not being able to PING the VM.*
>>
>>
>> curl -v http://169.254.169.254
>> * About to connect() to 169.254.169.254 port 80 (#0)
>> * Trying 169.254.169.254...
>>
>> Thanks for your help
>>
>>
>> ------------------------------**------------------------------**
>> ------------------------------**------------------------------**-----
>> Chathura Madhusanka Sarathchandra Magurawalage.
>> 1NW.2.1, Desk 2
>> School of Computer Science and Electronic Engineering
>> University Of Essex
>> United Kingdom.
>>
>> Email: csarata at essex.ac.uk <mailto:csarata at essex.ac.uk>
>> chathura.sarathchandra at gmail.**com<chathura.sarathchandra at gmail.com><mailto:
>> 77.chathura at gmail.com>
>> 77.chathura at gmail.com <mailto:77.chathura at gmail.com>
>>
>>
>>
>> On 15 February 2013 11:03, Anil Vishnoi <vishnoianil at gmail.com <mailto:
>> vishnoianil at gmail.com>**> wrote:
>>
>> If you are using ubuntu cloud image then the only way to log-in is
>> to do ssh with the public key. For that you have to create ssh key
>> pair and download the ssh key. You can create this ssh pair using
>> horizon/cli.
>>
>>
>> On Fri, Feb 15, 2013 at 4:27 PM, Sylvain Bauza
>> <sylvain.bauza at digimind.com <mailto:sylvain.bauza@**digimind.com<sylvain.bauza at digimind.com>
>> >>
>>
>> wrote:
>>
>>
>> Le 15/02/2013 11:42, Chathura M. Sarathchandra Magurawalage a
>> écrit :
>>
>>
>> How can I log into the VM from VNC? What are the credentials?
>>
>>
>> You have multiple ways to get VNC access. The easiest one is
>> thru Horizon. Other can be looking at the KVM command-line for
>> the desired instance (on the compute node) and check the vnc
>> port in use (assuming KVM as hypervisor).
>> This is basic knowledge of Nova.
>>
>>
>>
>> nova-api-metadata is running fine in the compute node.
>>
>>
>> Make sure the metadata port is avaible thanks to telnet or
>> netstat, nova-api can be running without listening on metadata
>> port.
>>
>>
>>
>>
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>>
>>
>>
>>
>> -- Thanks & Regards
>> --Anil Kumar Vishnoi
>>
>>
>>
>
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