It is not a necessity, but it is very useful. Also look at config drive. -Matt On Mon, Dec 10, 2012 at 5:33 PM, Joshua Harlow <harlowja at yahoo-inc.com>wrote: > Its really just a binary that activates > https://github.com/openstack/nova/blob/master/nova/api/metadata/handler.py#L100 > > Its a way to allow for a VM to get metadata about itself and any userdata > (of which users may have provided) on boot. > > Said feature is not just connected to ec2, but provides a generic > mechanism for getting this type of data to an instance. > > The ec2 folks I believe are just the 'originators' of said concept and > that’s how it got named initially. > > From: JuanFra Rodriguez Cardoso <juanfra.rodriguez.cardoso at gmail.com> > Date: Monday, December 10, 2012 5:10 PM > To: Openstack <openstack at lists.launchpad.net> > Subject: [Openstack] Nova metadata service > > Hi guys! > > After looking for in the mailing list and docs, I honestly still don't > understand what really is nova-api-metadata. > it's a mandatory service in a multi-host deployment? it's only related to > EC2? > > Thanks! > > Regards, > JuanFra. > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack at lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20121210/d0082c81/attachment.html>