[Openstack] [openstack-dev] Openstack NOVA and Metadata.

Vishvananda Ishaya vishvananda at gmail.com
Fri Aug 31 15:51:37 UTC 2012


Server Metadata: http://docs.openstack.org/api/openstack-compute/2/content/Server_Metadata-d1e2529.html

More Metadata Info: http://docs.openstack.org/api/openstack-compute/2/content/MetadataSection.html

Personalities: http://docs.openstack.org/api/openstack-compute/2/content/Server_Personality-d1e2543.html

Vish

On Aug 31, 2012, at 2:52 AM, Trinath Somanchi <trinath.somanchi at gmail.com> wrote:

> Hi-
> 
> While going through the source code of the Nova API, i came across the following comments.
> 
> class CommonDeserializer(wsgi.MetadataXMLDeserializer):
>     """
>     Common deserializer to handle xml-formatted server create
>     requests.
> 
>     Handles standard server attributes as well as optional metadata
>     and personality attributes
>     """
> 
>     metadata_deserializer = common.MetadataXMLDeserializer()
> 
>     def _extract_personality(self, server_node):
>         """Marshal the personality attribute of a parsed request"""
>         node = self.find_first_child_named(server_node, "personality")
>         if node is not None:
>             personality = []
>             for file_node in self.find_children_named(node, "file"):
>                 item = {}
>                 if file_node.hasAttribute("path"):
>                     item["path"] = file_node.getAttribute("path")
>                 item["contents"] = self.extract_text(file_node)
>                 personality.append(item)
>             return personality
>         else:
>             return None
> 
> 
> ..............
> .................
> 
> Just very interested to know, what kind of metadata is possible here and what doest this PERSONALITY attribute mean.
> 
> Can any me help understand the role of METADATA and its attributes with an example. Even When I brought up the instance, when I view the logs, haven't found any information regarding the metadata.
> 
> Please help me in this regard.
> 
> Thanking you all.
> 
> -- 
> Regards,
> ----------------------------------------------
> Trinath Somanchi,
> +91 9866 235 130
> 
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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