On Sun, 17 Apr 2011 01:48:49 +0900 Isaku Yamahata <yamah...@valinux.co.jp> wrote:
> Hi. I've implemented the basic support for boot from volume > and uploaded lp:~yamahata/nova/boot-from-volume > blue print: > https://blueprints.launchpad.net/nova/+spec/boot-from-volume > Adam Johnson, do you have any progress? > > With the patches, VM can boot with a attached partion based on volume > (including root partition). For example, > euca-run-instances ami-XXXX -k mykey -t m1.tiny \ > --block-device-mapping /dev/vda=vol-00000001::false \ > --block-device-mapping /dev/vdb=vol-00000002::false > > Although EBS manual syas that snapshot should be specified to, > I chose to volume id because creating snapshot/volume from > snapshot/volume isn't supported yet. They are proposed as > https://blueprints.launchpad.net/nova/+spec/snapshot-volume > https://blueprints.launchpad.net/nova/+spec/clone-volume > > My next step is to add ephemeral device and no device support > and ami support. Comments? > > thanks, > > Note: > For --block-device-mapping options support, > you need latest euca2ools, latest boto which requires python 2.7 or > later and the following patch > > --- euca2ools/commands/eucacommand.py 2011-04-11 13:23:49 +0000 > +++ euca2ools/commands/eucacommand.py 2011-04-16 02:11:12 +0000 > @@ -571,19 +571,23 @@ > return file_path > > def parse_block_device_args(self, block_device_maps_args): > - block_device_map = BlockDeviceMapping() > + block_device_map = > boto.ec2.blockdevicemapping.BlockDeviceMapping() for > block_device_map_arg in block_device_maps_args: parts = > block_device_map_arg.split('=') if len(parts) > 1: > device_name = parts[0] > - block_dev_type = BlockDeviceType() > + block_dev_type = > boto.ec2.blockdevicemapping.BlockDeviceType() value_parts = > parts[1].split(':') if value_parts[0].startswith('snap'): > block_dev_type.snapshot_id = value_parts[0] > + elif value_parts[0].startswith('vol-'): > + # openstack doesn't support volume snapshot at > the moment > + # So use volume for now instead of snapshot > + block_dev_type.snapshot_id = value_parts[0] > else: > if value_parts[0].startswith('ephemeral'): > block_dev_type.ephemeral_name = > value_parts[0] > - if len(value_parts) > 1: > + if len(value_parts) > 1 and value_parts[1] != '': > block_dev_type.size = int(value_parts[1]) > if len(value_parts) > 2: > if value_parts[2] == 'true': > > > Hi, Thanks for doing this. This is something that our users would love to have I think. I proposed a similar specification for the design summit would you like to work together? Regards chuck _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
