def wait_for_metadata_service(self, url):
mcfg = self.ds_cfg
max_wait = 120
try:
max_wait = int(mcfg.get("max_wait", max_wait))
except Exception:
util.logexc(log)
log.warn("Failed to get max wait. using %s" % max_wait)
if max_wait == 0:
return False
timeout = 50
try:
timeout = int(mcfg.get("timeout", timeout))
except Exception:
util.logexc(log)
log.warn("Failed to get timeout, using %s" % timeout)
starttime = time.time()
check_url = "%s/%s/meta-data/instance-id" % (url, MD_VERSION)
url = util.wait_for_url(urls=[check_url], max_wait=max_wait,
timeout=timeout, status_cb=log.warn,
headers_cb=self.md_headers)
if url:
log.debug("Using metadata source: '%s'" % url)
else:
log.critical("giving up on md after %i seconds\n" %
int(time.time() - starttime))
return (bool(url))
def get_data(self):
mcfg = self.ds_cfg
try:
(userdata, metadata) = read_maas_seed_dir(self.seeddir)
self.userdata_raw = userdata
self.metadata = metadata
self.baseurl = self.seeddir
return True
except MAASSeedDirNone:
pass
except MAASSeedDirMalformed as exc:
log.warn("%s was malformed: %s\n" % (self.seeddir, exc))
raise
try:
# if there is no metadata_url, then we're not configured
url = mcfg.get('metadata_url', None)
if url == None:
return False
if not self.wait_for_metadata_service(url):
return False
self.baseurl = url
(userdata, metadata) = read_maas_seed_url(self.baseurl,
self.md_headers)
self.userdata_raw = userdata
self.metadata = metadata
return True
except Exception:
util.logexc(log)
return False
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 wait_for_metadata_service(self):
mcfg = self.ds_cfg
if not hasattr(mcfg, "get"):
mcfg = {}
max_wait = 120
try:
max_wait = int(mcfg.get("max_wait", max_wait))
except Exception:
util.logexc(log)
log.warn("Failed to get max wait. using %s" % max_wait)
if max_wait == 0:
return False
timeout = 50
try:
timeout = int(mcfg.get("timeout", timeout))
except Exception:
util.logexc(log)
log.warn("Failed to get timeout, using %s" % timeout)
def_mdurls = ["http://169.254.169.254", "http://instance-data.:8773"]
mdurls = mcfg.get("metadata_urls", def_mdurls)
# Remove addresses from the list that wont resolve.
filtered = [x for x in mdurls if util.is_resolvable_url(x)]
if set(filtered) != set(mdurls):
log.debug("removed the following from metadata urls: %s" % list(
(set(mdurls) - set(filtered))))
if len(filtered):
mdurls = filtered
else:
log.warn("Empty metadata url list! using default list")
mdurls = def_mdurls
urls = []
url2base = {False: False}
for url in mdurls:
cur = "%s/%s/meta-data/instance-id" % (url, self.api_ver)
urls.append(cur)
url2base[cur] = url
starttime = time.time()
url = util.wait_for_url(urls=urls,
max_wait=max_wait,
timeout=timeout,
status_cb=log.warn)
if url:
log.debug("Using metadata source: '%s'" % url2base[url])
else:
log.critical("giving up on md after %i seconds\n" %
int(time.time() - starttime))
self.metadata_address = url2base[url]
return (bool(url))
def wait_for_metadata_service(self):
mcfg = self.ds_cfg
if not hasattr(mcfg, "get"):
mcfg = {}
max_wait = 120
try:
max_wait = int(mcfg.get("max_wait", max_wait))
except Exception:
util.logexc(log)
log.warn("Failed to get max wait. using %s" % max_wait)
if max_wait == 0:
return False
timeout = 50
try:
timeout = int(mcfg.get("timeout", timeout))
except Exception:
util.logexc(log)
log.warn("Failed to get timeout, using %s" % timeout)
def_mdurls = ["http://169.254.169.254", "http://instance-data.:8773"]
mdurls = mcfg.get("metadata_urls", def_mdurls)
# Remove addresses from the list that wont resolve.
filtered = [x for x in mdurls if util.is_resolvable_url(x)]
if set(filtered) != set(mdurls):
log.debug("removed the following from metadata urls: %s" %
list((set(mdurls) - set(filtered))))
if len(filtered):
mdurls = filtered
else:
log.warn("Empty metadata url list! using default list")
mdurls = def_mdurls
urls = []
url2base = {False: False}
for url in mdurls:
cur = "%s/%s/meta-data/instance-id" % (url, self.api_ver)
urls.append(cur)
url2base[cur] = url
starttime = time.time()
url = util.wait_for_url(urls=urls, max_wait=max_wait,
timeout=timeout, status_cb=log.warn)
if url:
log.debug("Using metadata source: '%s'" % url2base[url])
else:
log.critical("giving up on md after %i seconds\n" %
int(time.time() - starttime))
self.metadata_address = url2base[url]
return (bool(url))
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)
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
if md['dsmode'] == self.dsmode:
return True
log.debug("%s: not claiming datasource, dsmode=%s" %
(self, md['dsmode']))
return False
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
