def get_data(self): found = None md = {} ud = "" defaults = {"instance-id": DEFAULT_IID, "dsmode": "pass"} if os.path.isdir(self.seeddir): try: (md, ud) = read_config_drive_dir(self.seeddir) found = self.seeddir except nonConfigDriveDir: pass if not found: dev = cfg_drive_device() if dev: try: (md, ud) = util.mount_callback_umount(dev, read_config_drive_dir) found = dev except (nonConfigDriveDir, util.mountFailedError): pass if not found: return False if 'dsconfig' in md: self.cfg = md['dscfg'] md = util.mergedict(md, defaults) # update interfaces and ifup only on the local datasource # this way the DataSourceConfigDriveNet doesn't do it also. if 'network-interfaces' in md and self.dsmode == "local": if md['dsmode'] == "pass": log.info("updating network interfaces from configdrive") else: log.debug("updating network interfaces from configdrive") util.write_file("/etc/network/interfaces", md['network-interfaces']) try: (out, err) = util.subp(['ifup', '--all']) if len(out) or len(err): log.warn("ifup --all had stderr: %s" % err) except subprocess.CalledProcessError as exc: log.warn("ifup --all failed: %s" % (exc.output[1])) self.seed = found self.metadata = md self.userdata_raw = ud if md['dsmode'] == self.dsmode: return True log.debug("%s: not claiming datasource, dsmode=%s" % (self, md['dsmode'])) return False
(md_seed, ud) = util.read_seeded(seedfrom, timeout=None) log.debug("using seeded cache data from %s" % seedfrom) # values in the command line override those from the seed md = util.mergedict(md, md_seed) found.append(seedfrom) md = util.mergedict(md, defaults) # update the network-interfaces if metadata had 'network-interfaces' # entry and this is the local datasource, or 'seedfrom' was used # and the source of the seed was self.dsmode # ('local' for NoCloud, 'net' for NoCloudNet') if ('network-interfaces' in md and (self.dsmode in ("local", seeded_interfaces))): log.info("updating network interfaces from nocloud") util.write_file("/etc/network/interfaces", md['network-interfaces']) try: (out, err) = util.subp(['ifup', '--all']) if len(out) or len(err): log.warn("ifup --all had stderr: %s" % err) except subprocess.CalledProcessError as exc: log.warn("ifup --all failed: %s" % (exc.output[1])) self.seed = ",".join(found) self.metadata = md self.userdata_raw = ud