Re: [libvirt] [sandbox PATCH v4 13/21] Image: Add get_disk function to Source

Provide a way to know which disk image to use for the sandbox depending on the used source DockerSource will need to locate the topmost disk image among all the layers images --- virt-sandbox-image/sources/DockerSource.py | 16 ++++++++++++++++ virt-sandbox-image/sources/Source.py | 4 ++++ virt-sandbox-image/virt-sandbox-image.py | 9 +++++++++ 3 files changed, 29 insertions(+) diff --git a/virt-sandbox-image/sources/DockerSource.py b/virt-sandbox-image/sources/DockerSource.py index 3e0362b..87fbcf3 100644 --- a/virt-sandbox-image/sources/DockerSource.py +++ b/virt-sandbox-image/sources/DockerSource.py @@ -372,6 +372,22 @@ class DockerSource(Source): parent = None imagetagid = parent + def get_disk(self,**args): + name = args['name'] + destdir = args['templatedir'] + sandboxid = args['id'] + imageList = self._get_image_list(name,destdir) + toplayer = imageList[0] + diskfile = destdir + "/" + toplayer + "/template.qcow2" + configfile = destdir + "/" + toplayer + "/template.json" + tempfile = destdir + "/" + toplayer + "/" + sandboxid + ".qcow2"

+ cmd = ["qemu-img","create","-q","-f","qcow2"] + cmd.append("-o") + cmd.append("backing_fmt=qcow2,backing_file=%s" % diskfile) + cmd.append(tempfile) + subprocess.call(cmd) + return (tempfile,configfile) + def get_command(self,configfile): configParser = DockerConfParser(configfile) commandToRun = configParser.getRunCommand()

+def requires_id(parser): + randomid = ''.join(random.choice(string.lowercase) for i in range(10)) + parser.add_argument("-d","--id", + default=randomid, + help=_("id of the running sandbox"))