On Tue, Aug 04, 2015 at 08:11:17PM +0000, Eren Yagdiran wrote:
> Run an already-built template
> If there is no execution command specified by user, source.get_command will
> find the command to invoke
> ---
> virt-sandbox-image/virt-sandbox-image.py | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/virt-sandbox-image/virt-sandbox-image.py b/virt-sandbox-image/virt-sandbox-image.py
> index 4c19fa8..e20ce22 100755
> --- a/virt-sandbox-image/virt-sandbox-image.py
> +++ b/virt-sandbox-image/virt-sandbox-image.py
> @@ -101,6 +101,30 @@ def check_connect(connectstr):
> raise ValueError("%s is not supported by Virt-sandbox" %connectstr)
> return True
>
> +def run(args):
> + try:
> + if args.connect is not None:
> + check_connect(args.connect)
> + source = dynamic_source_loader(args.source)
> + diskfile,configfile = source.get_disk(name=args.name,path=args.imagepath)
> +
> + format = "qcow2"
> + commandToRun = args.igniter
> + if commandToRun is None:
> + commandToRun = source.get_command(configfile)
> + cmd = ['virt-sandbox']
> + if args.connect is not None:
> + cmd.append("-c")
> + cmd.append(args.connect)
> + params = ['-m','host-image:/=%s,format=%s' %(diskfile,format),
> + '--',
> + commandToRun]
> + cmd = cmd + params
> + subprocess.call(cmd)
> +
> + except Exception,e:
> + print "Run Error %s" % str(e)
This code actually ends up launching a sandbox using the template file as
the root disk image. This is not good, because we need to be able to run
multiple instances of the sandbox, all using the same template file. As
such we need to be able to create a new temporary disk image for each
sandbox instance, that is an overlay on the main template, an then
delete this temporary disk at shutdown.
Regards,
Daniel
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