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
def get_data(self):
defaults = {
"instance-id": "nocloud", "dsmode": self.dsmode
}
found = []
md = {}
ud = ""
try:
# parse the kernel command line, getting data passed in
if parse_cmdline_data(self.cmdline_id, md):
found.append("cmdline")
except:
util.logexc(log)
return False
# check to see if the seeddir has data.
seedret = {}
if util.read_optional_seed(seedret, base=self.seeddir + "/"):
md = util.mergedict(md, seedret['meta-data'])
ud = seedret['user-data']
found.append(self.seeddir)
log.debug("using seeded cache data in %s" % self.seeddir)
# if the datasource config had a 'seedfrom' entry, then that takes
# precedence over a 'seedfrom' that was found in a filesystem
# but not over external medi
if 'seedfrom' in self.ds_cfg and self.ds_cfg['seedfrom']:
found.append("ds_config")
md["seedfrom"] = self.ds_cfg['seedfrom']
fslist = util.find_devs_with("TYPE=vfat")
fslist.extend(util.find_devs_with("TYPE=iso9660"))
label_list = util.find_devs_with("LABEL=cidata")
devlist = list(set(fslist) & set(label_list))
devlist.sort(reverse=True)
for dev in devlist:
try:
(newmd, newud) = util.mount_callback_umount(dev,
util.read_seeded)
md = util.mergedict(newmd, md)
ud = newud
# for seed from a device, the default mode is 'net'.
# that is more likely to be what is desired.
# If they want dsmode of local, then they must
# specify that.
if 'dsmode' not in md:
md['dsmode'] = "net"
log.debug("using data from %s" % dev)
found.append(dev)
break
except OSError, e:
if e.errno != errno.ENOENT:
raise
except util.mountFailedError:
log.warn("Failed to mount %s when looking for seed" % dev)
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
