[one-users] AUTHENTICATION PROBLEM when using EC2 Tools

[Daniel Molina Aranda]

Hi Olivier,

Would you mind to send us your $ONE_LOCATION/etc/econe.conf file and
the ruby and amazon-ec2 versions that you are working with?

Regards.


On 1 March 2011 14:56, Olivier Sallou <olivier.sallou at irisa.fr> wrote:
> Hi,
> I face an issue with econe-describe-images and EC2 tools access. I have an
> authentication error.
>
> Following a previous mail I 've seen (see below), I updated encoding to
> HmacSHA256 and EC2QueryServer.rb not to include port for version 2010-08-31
>
> However I still have the issue.
>
> I tried with econe-describe-instances -K osallou -S XXXX -U
> http://localhost:4567, still fails
>
> As a client I use ruby gem amazon-ec2.
>
>
> I check EC2Query ruby codes in repository to see if changes were made but I
> see no difference.
>
> Thanks
>
> Olivier
>
>
>
>
>
> Hi! I discovered an AUTHENTICATION PROBLEM when using EC2 Tools
> provided by OpenNebula.
>
> On client-side, the HMAC algorithm used is "HmacSHA256" while the
> passed parameter is "HmacSHA1" in
>
>   $ONE_LOCATION/lib/ruby/cloud/econe/EC2QueryClient.rb:144
>
> this causes an authentication failure.
>
>
> I found another problem in the file
>
>   $ONE_LOCATION/lib/ruby/cloud/econe/EC2QueryServer.rb
>
> While the issue disappeared executing the tool
>
>   econe-upload
>
> it is still present in the tools
>
>   econe-register
>   econe-describe-images
>
> This may be caused by the file
>
>   $ONE_LOCATION/lib/ruby/cloud/econe/EC2QueryServer.rb
>
> where, in the function "signature_version_2()" definition, the
> variable "server_str" depends on the tool executed.
>
> 1. econe-upload
>
>    server_str = FQDN
>
> 2. econe-register
>
>    server_str = FQDN:PORT
>
> I think the issue is caused by the missing parameter "Version" which
> is not passed in last two utilities.
>
> Best,
>
>    PAOLO
>
>
> --
> PAOLO SMIRAGLIA
> http://portale.isf.polito.it/paolo-smiraglia
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-- 
Daniel Molina, Cloud Technology Engineer/Researcher
DSA Research Group: web http://dsa-research.org and blog
http://blog.dsa-research.org
OpenNebula Open Source Toolkit for Cloud Computing: http://www.OpenNebula.org