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-rw-r--r--cloudinit/sources/DataSourceNoCloud.py78
1 files changed, 34 insertions, 44 deletions
diff --git a/cloudinit/sources/DataSourceNoCloud.py b/cloudinit/sources/DataSourceNoCloud.py
index 48c61a90..7e30118c 100644
--- a/cloudinit/sources/DataSourceNoCloud.py
+++ b/cloudinit/sources/DataSourceNoCloud.py
@@ -24,6 +24,7 @@ import errno
import os
from cloudinit import log as logging
+from cloudinit import net
from cloudinit import sources
from cloudinit import util
@@ -35,7 +36,6 @@ class DataSourceNoCloud(sources.DataSource):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
self.dsmode = 'local'
self.seed = None
- self.cmdline_id = "ds=nocloud"
self.seed_dirs = [os.path.join(paths.seed_dir, 'nocloud'),
os.path.join(paths.seed_dir, 'nocloud-net')]
self.seed_dir = None
@@ -58,7 +58,7 @@ class DataSourceNoCloud(sources.DataSource):
try:
# Parse the kernel command line, getting data passed in
md = {}
- if parse_cmdline_data(self.cmdline_id, md):
+ if load_cmdline_data(md):
found.append("cmdline")
mydata = _merge_new_seed(mydata, {'meta-data': md})
except Exception:
@@ -123,12 +123,6 @@ class DataSourceNoCloud(sources.DataSource):
mydata = _merge_new_seed(mydata, seeded)
- # 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 mydata['meta-data']:
- mydata['meta-data']['dsmode'] = "net"
-
LOG.debug("Using data from %s", dev)
found.append(dev)
break
@@ -144,7 +138,6 @@ class DataSourceNoCloud(sources.DataSource):
if len(found) == 0:
return False
- seeded_network = None
# The special argument "seedfrom" indicates we should
# attempt to seed the userdata / metadata from its value
# its primarily value is in allowing the user to type less
@@ -160,10 +153,6 @@ class DataSourceNoCloud(sources.DataSource):
LOG.debug("Seed from %s not supported by %s", seedfrom, self)
return False
- if (mydata['meta-data'].get('network-interfaces') or
- mydata.get('network-config')):
- seeded_network = self.dsmode
-
# This could throw errors, but the user told us to do it
# so if errors are raised, let them raise
(md_seed, ud) = util.read_seeded(seedfrom, timeout=None)
@@ -179,35 +168,21 @@ class DataSourceNoCloud(sources.DataSource):
mydata['meta-data'] = util.mergemanydict([mydata['meta-data'],
defaults])
- netdata = {'format': None, 'data': None}
- if mydata['meta-data'].get('network-interfaces'):
- netdata['format'] = 'interfaces'
- netdata['data'] = mydata['meta-data']['network-interfaces']
- elif mydata.get('network-config'):
- netdata['format'] = 'network-config'
- netdata['data'] = mydata['network-config']
-
- # if this is the local datasource or 'seedfrom' was used
- # and the source of the seed was self.dsmode.
- # Then see if there is network config to apply.
- # note this is obsolete network-interfaces style seeding.
- if self.dsmode in ("local", seeded_network):
- if mydata['meta-data'].get('network-interfaces'):
- LOG.debug("Updating network interfaces from %s", self)
- self.distro.apply_network(
- mydata['meta-data']['network-interfaces'])
-
- if mydata['meta-data']['dsmode'] == self.dsmode:
- self.seed = ",".join(found)
- self.metadata = mydata['meta-data']
- self.userdata_raw = mydata['user-data']
- self.vendordata_raw = mydata['vendor-data']
- self._network_config = mydata['network-config']
- return True
+ self.dsmode = self._determine_dsmode(
+ [mydata['meta-data'].get('dsmode')])
- LOG.debug("%s: not claiming datasource, dsmode=%s", self,
- mydata['meta-data']['dsmode'])
- return False
+ if self.dsmode == sources.DSMODE_DISABLED:
+ LOG.debug("%s: not claiming datasource, dsmode=%s", self,
+ self.dsmode)
+ return False
+
+ self.seed = ",".join(found)
+ self.metadata = mydata['meta-data']
+ self.userdata_raw = mydata['user-data']
+ self.vendordata_raw = mydata['vendor-data']
+ self._network_config = mydata['network-config']
+ self._network_eni = mydata['meta-data'].get('network-interfaces')
+ return True
def check_instance_id(self, sys_cfg):
# quickly (local check only) if self.instance_id is still valid
@@ -227,6 +202,9 @@ class DataSourceNoCloud(sources.DataSource):
@property
def network_config(self):
+ if self._network_config is None:
+ if self.network_eni is not None:
+ self._network_config = net.convert_eni_data(self.network_eni)
return self._network_config
@@ -254,8 +232,22 @@ def _quick_read_instance_id(cmdline_id, dirs=None):
return None
+def load_cmdline_data(fill, cmdline=None):
+ pairs = [("ds=nocloud", sources.DSMODE_LOCAL),
+ ("ds=nocloud-net", sources.DSMODE_NETWORK)]
+ for idstr, dsmode in pairs:
+ if parse_cmdline_data(idstr, fill, cmdline):
+ # if dsmode was explicitly in the commanad line, then
+ # prefer it to the dsmode based on the command line id
+ if 'dsmode' not in fill:
+ fill['dsmode'] = dsmode
+ return True
+ return False
+
+
# Returns true or false indicating if cmdline indicated
-# that this module should be used
+# that this module should be used. Updates dictionary 'fill'
+# with data that was found.
# Example cmdline:
# root=LABEL=uec-rootfs ro ds=nocloud
def parse_cmdline_data(ds_id, fill, cmdline=None):
@@ -319,9 +311,7 @@ def _merge_new_seed(cur, seeded):
class DataSourceNoCloudNet(DataSourceNoCloud):
def __init__(self, sys_cfg, distro, paths):
DataSourceNoCloud.__init__(self, sys_cfg, distro, paths)
- self.cmdline_id = "ds=nocloud-net"
self.supported_seed_starts = ("http://", "https://", "ftp://")
- self.dsmode = "net"
# Used to match classes to dependencies