[libvirt] [PATCH sandbox v5 13/20] Image: Add run function

[Cedric Bosdonnat]

On Tue, 2015-09-08 at 17:29 +0100, Daniel P. Berrange wrote:
> From: Eren Yagdiran <erenyagdiran at gmail.com>
> 
> Run an already-built template
> If there is no execution command specified by user, source.get_command will
> find the command to invoke
> 
> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> ---
>  libvirt-sandbox/image/cli.py | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/libvirt-sandbox/image/cli.py b/libvirt-sandbox/image/cli.py
> index 2672a20..a06eb9c 100755
> --- a/libvirt-sandbox/image/cli.py
> +++ b/libvirt-sandbox/image/cli.py
> @@ -31,6 +31,8 @@ import shutil
>  import sys
>  import urllib2
>  import subprocess
> +import random
> +import string
>  
>  if os.geteuid() == 0:
>      default_template_dir = "/var/lib/libvirt/templates"
> @@ -97,6 +99,37 @@ def create(args):
>      except Exception,e:
>          print "Create Error %s" % str(e)
>  
> +def run(args):
> +    try:
> +        if args.connect is not None:
> +            check_connect(args.connect)
> +        source = dynamic_source_loader(args.source)
> +        name = args.name
> +        if name is None:
> +            randomid = ''.join(random.choice(string.lowercase) for i in range(10))
> +            name = args.template + ":" + randomid
> +
> +        diskfile = source.get_disk(templatename=args.template,
> +                                   templatedir=args.template_dir,
> +                                   imagedir=args.image_dir,
> +                                   sandboxname=name)
> +
> +        format = "qcow2"
> +        commandToRun = source.get_command(args.template, args.template_dir, args.args)
> +        if len(commandToRun) == 0:
> +            commandToRun = ["/bin/sh"]
> +        cmd = ['virt-sandbox', '--name', name]
> +        if args.connect is not None:
> +            cmd.append("-c")
> +            cmd.append(args.connect)
> +        params = ['-m','host-image:/=%s,format=%s' %(diskfile,format)]
> +        cmd = cmd + params + ['--'] + commandToRun
> +        subprocess.call(cmd)
> +        os.unlink(diskfile)
> +
> +    except Exception,e:
> +        print "Run Error %s" % str(e)
> +
>  def requires_template(parser):
>      parser.add_argument("template",
>                          help=_("name of the template"))

ACK

--
Cedric