def download(self, temp_ver, store_metadata=True): """ Retrieve the given template version Args: temp_ver (TemplateVersion): template version to retrieve store_metadata (bool): If set to ``False``, will not refresh the local metadata with the retrieved one Returns: None """ dest = self._prefixed(temp_ver.name) temp_dest = '%s.tmp' % dest with utils.LockFile(dest + '.lock'): # Image was downloaded while we were waiting if os.path.exists(dest): return temp_ver.download(temp_dest) if store_metadata: with open('%s.metadata' % dest, 'w') as f: utils.json_dump(temp_ver.get_metadata(), f) sha1 = utils.get_hash(temp_dest) if temp_ver.get_hash() != sha1: raise RuntimeError( 'Image %s does not match the expected hash %s' % ( temp_ver.name, sha1, )) with open('%s.hash' % dest, 'w') as f: f.write(sha1) with log_utils.LogTask('Convert image', logger=LOGGER): result = utils.run_command([ 'qemu-img', 'convert', '-O', 'raw', temp_dest, dest, ], ) os.unlink(temp_dest) if result: raise RuntimeError(result.err)
def save(self): with LogTask('Save nets'): for net in self._nets.values(): net.save() with LogTask('Save VMs'): for vm in self._vms.values(): vm.save() spec = { 'nets': self._nets.keys(), 'vms': self._vms.keys(), } with LogTask('Save env'): with open(self.virt_path('env'), 'w') as f: utils.json_dump(spec, f)
def save(self): with LogTask('Save nets'): for net in self._nets.values(): net.save() with LogTask('Save VMs'): for vm in self._vms.values(): vm.save() spec = { 'nets': self._nets.keys(), 'vms': self._vms.keys(), } with LogTask('Save env'): with open(self.virt_path('env'), 'w') as f: utils.json_dump(spec, f)
def save(self): with open(self._env.virt_path('net-%s' % self.name()), 'w') as f: utils.json_dump(self._spec, f)