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fixed reading libvirt box image size

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This commit is contained in:
Hans-Christoph Steiner 2017-05-22 17:17:01 +02:00
parent 1bd51966b8
commit bba6b8ab0a
1 changed files with 8 additions and 1 deletions
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9
fdroidserver/vmtools.py
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@ -213,13 +213,14 @@ class LibvirtBuildVm(FDroidBuildVm):
if isfile('box.img'):
rmfile('box.img')
logger.debug('preparing box.img for box %s', output)
vol = storagePool.storageVolLookupByName(self.srvname + '.img')
imagepath = vol.path()
# TODO use a libvirt storage pool to ensure the img file is readable
self._check_call(['sudo', '/bin/chmod', '-R', 'a+rX', '/var/lib/libvirt/images'])
shutil.copy2(imagepath, 'box.img')
self._check_call(['qemu-img', 'rebase', '-p', '-b', '', 'box.img'])
img_info_raw = self._check_output(['sudo qemu-img info --output=json box.img'], shell=True)
img_info_raw = self._check_output(['qemu-img', 'info', '--output=json', 'box.img'])
img_info = json.loads(img_info_raw.decode('utf-8'))
metadata = {"provider": "libvirt",
"format": img_info['format'],
@ -227,15 +228,21 @@ class LibvirtBuildVm(FDroidBuildVm):
}
if not vagrantfile:
logger.debug('no Vagrantfile supplied for box, generating a minimal one...')
vagrantfile = 'Vagrant.configure("2") do |config|\nend'
logger.debug('preparing metadata.json for box %s', output)
with open('metadata.json', 'w') as fp:
fp.write(json.dumps(metadata))
logger.debug('preparing Vagrantfile for box %s', output)
with open('Vagrantfile', 'w') as fp:
fp.write(vagrantfile)
with tarfile.open(output, 'w:gz') as tar:
logger.debug('adding metadata.json to box %s ...', output)
tar.add('metadata.json')
logger.debug('adding Vagrantfile to box %s ...', output)
tar.add('Vagrantfile')
logger.debug('adding box.img to box %s ...', output)
tar.add('box.img')
if not keep_box_file: