FM / sources

/usr/lib/python2.6/site-packages/cloudinit/sources/

/usr/lib/python2.6/site-packages/cloudinit/sources

Name	Size	Mode	Actions
helpers/	-	0755	rm
DataSourceAliYun.py	1956	0644	edit dl rm
DataSourceAliYun.pyc	3094	0644	edit dl rm
DataSourceAliYun.pyo	3094	0644	edit dl rm
DataSourceAltCloud.py	9324	0644	edit dl rm
DataSourceAltCloud.pyc	8069	0644	edit dl rm
DataSourceAltCloud.pyo	8069	0644	edit dl rm
DataSourceAzure.py	20625	0644	edit dl rm
DataSourceAzure.pyc	20444	0644	edit dl rm
DataSourceAzure.pyo	20444	0644	edit dl rm
DataSourceCloudSigma.py	4811	0644	edit dl rm
DataSourceCloudSigma.pyc	5061	0644	edit dl rm
DataSourceCloudSigma.pyo	5061	0644	edit dl rm
DataSourceCloudStack.py	6955	0644	edit dl rm
DataSourceCloudStack.pyc	6538	0644	edit dl rm
DataSourceCloudStack.pyo	6538	0644	edit dl rm
DataSourceConfigDrive.py	9942	0644	edit dl rm
DataSourceConfigDrive.pyc	8463	0644	edit dl rm
DataSourceConfigDrive.pyo	8463	0644	edit dl rm
DataSourceEc2.py	13615	0644	edit dl rm
DataSourceEc2.pyc	12537	0644	edit dl rm
DataSourceEc2.pyo	12537	0644	edit dl rm
DataSourceGCE.py	4867	0644	edit dl rm
DataSourceGCE.pyc	4669	0644	edit dl rm
DataSourceGCE.pyo	4669	0644	edit dl rm
DataSourceMAAS.py	13663	0644	edit dl rm
DataSourceMAAS.pyc	13194	0644	edit dl rm
DataSourceMAAS.pyo	13194	0644	edit dl rm
DataSourceNoCloud.py	10215	0644	edit dl rm
DataSourceNoCloud.pyc	6890	0644	edit dl rm
DataSourceNoCloud.pyo	6890	0644	edit dl rm
DataSourceNone.py	1846	0644	edit dl rm
DataSourceNone.pyc	1887	0644	edit dl rm
DataSourceNone.pyo	1887	0644	edit dl rm
DataSourceOpenNebula.py	14553	0644	edit dl rm
DataSourceOpenNebula.pyc	13624	0644	edit dl rm
DataSourceOpenNebula.pyo	13624	0644	edit dl rm
DataSourceOpenStack.py	6643	0644	edit dl rm
DataSourceOpenStack.pyc	5806	0644	edit dl rm
DataSourceOpenStack.pyo	5806	0644	edit dl rm
DataSourceOVF.py	9395	0644	edit dl rm
DataSourceOVF.pyc	8598	0644	edit dl rm
DataSourceOVF.pyo	8598	0644	edit dl rm
DataSourceSmartOS.py	15375	0644	edit dl rm
DataSourceSmartOS.pyc	11650	0644	edit dl rm
DataSourceSmartOS.pyo	11650	0644	edit dl rm
__init__.py	10169	0644	edit dl rm
__init__.pyc	9085	0644	edit dl rm
__init__.pyo	9085	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/cloudinit/sources/DataSourceNoCloud.py (10215B)

# vi: ts=4 expandtab
#
#    Copyright (C) 2009-2010 Canonical Ltd.
#    Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P.
#    Copyright (C) 2012 Yahoo! Inc.
#
#    Author: Scott Moser <scott.moser@canonical.com>
#    Author: Juerg Hafliger <juerg.haefliger@hp.com>
#    Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License version 3, as
#    published by the Free Software Foundation.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

import errno
import os

from cloudinit import log as logging
from cloudinit import sources
from cloudinit import util

LOG = logging.getLogger(__name__)

class DataSourceNoCloud(sources.DataSource):
    def __init__(self, sys_cfg, distro, paths):
        sources.DataSource.__init__(self, sys_cfg, distro, paths)
        self.dsmode = 'local'
        self.seed = None
        self.cmdline_id = "ds=nocloud"
        self.seed_dir = os.path.join(paths.seed_dir, 'nocloud')
        self.supported_seed_starts = ("/", "file://")

def __str__(self):
        root = sources.DataSource.__str__(self)
        return "%s [seed=%s][dsmode=%s]" % (root, self.seed, self.dsmode)

def get_data(self):
        defaults = {
            "instance-id": "nocloud",
            "dsmode": self.dsmode,
        }

found = []
        mydata = {'meta-data': {}, 'user-data': "", 'vendor-data': ""}

try:
            # Parse the kernel command line, getting data passed in
            md = {}
            if parse_cmdline_data(self.cmdline_id, md):
                found.append("cmdline")
            mydata['meta-data'].update(md)
        except:
            util.logexc(LOG, "Unable to parse command line data")
            return False

# Check to see if the seed dir has data.
        pp2d_kwargs = {'required': ['user-data', 'meta-data'],
                       'optional': ['vendor-data']}

try:
            seeded = util.pathprefix2dict(self.seed_dir, **pp2d_kwargs)
            found.append(self.seed_dir)
            LOG.debug("Using seeded data from %s", self.seed_dir)
        except ValueError as e:
            pass

if self.seed_dir in found:
            mydata = _merge_new_seed(mydata, seeded)

# 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 media
        if self.ds_cfg.get('seedfrom'):
            found.append("ds_config_seedfrom")
            mydata['meta-data']["seedfrom"] = self.ds_cfg['seedfrom']

# fields appropriately named can also just come from the datasource
        # config (ie, 'user-data', 'meta-data', 'vendor-data' there)
        if 'user-data' in self.ds_cfg and 'meta-data' in self.ds_cfg:
            mydata = _merge_new_seed(mydata, self.ds_cfg)
            found.append("ds_config")

def _pp2d_callback(mp, data):
            return util.pathprefix2dict(mp, **data)

label = self.ds_cfg.get('fs_label', "cidata")
        if label is not None:
            # Query optical drive to get it in blkid cache for 2.6 kernels
            util.find_devs_with(path="/dev/sr0")
            util.find_devs_with(path="/dev/sr1")

fslist = util.find_devs_with("TYPE=vfat")
            fslist.extend(util.find_devs_with("TYPE=iso9660"))

label_list = util.find_devs_with("LABEL=%s" % label)
            devlist = list(set(fslist) & set(label_list))
            devlist.sort(reverse=True)

for dev in devlist:
                try:
                    LOG.debug("Attempting to use data from %s", dev)

try:
                        seeded = util.mount_cb(dev, _pp2d_callback,
                                               pp2d_kwargs)
                    except ValueError as e:
                        if dev in label_list:
                            LOG.warn("device %s with label=%s not a"
                                     "valid seed.", dev, label)
                        continue

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['dsmode'] = "net"

LOG.debug("Using data from %s", dev)
                    found.append(dev)
                    break
                except OSError as e:
                    if e.errno != errno.ENOENT:
                        raise
                except util.MountFailedError:
                    util.logexc(LOG, "Failed to mount %s when looking for "
                                "data", dev)

# There was no indication on kernel cmdline or data
        # in the seeddir suggesting this handler should be used.
        if len(found) == 0:
            return False

seeded_interfaces = 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
        # on the command line, ie: ds=nocloud;s=http://bit.ly/abcdefg
        if "seedfrom" in mydata['meta-data']:
            seedfrom = mydata['meta-data']["seedfrom"]
            seedfound = False
            for proto in self.supported_seed_starts:
                if seedfrom.startswith(proto):
                    seedfound = proto
                    break
            if not seedfound:
                LOG.debug("Seed from %s not supported by %s", seedfrom, self)
                return False

if 'network-interfaces' in mydata['meta-data']:
                seeded_interfaces = 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)
            LOG.debug("Using seeded cache data from %s", seedfrom)

# Values in the command line override those from the seed
            mydata['meta-data'] = util.mergemanydict([mydata['meta-data'],
                                                      md_seed])
            mydata['user-data'] = ud
            found.append(seedfrom)

# Now that we have exhausted any other places merge in the defaults
        mydata['meta-data'] = util.mergemanydict([mydata['meta-data'],
                                                  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 mydata['meta-data'] and
            (self.dsmode in ("local", seeded_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 = mydata['vendor-data']
            return True

LOG.debug("%s: not claiming datasource, dsmode=%s", self, md['dsmode'])
        return False

# Returns true or false indicating if cmdline indicated
# that this module should be used
# Example cmdline:
#  root=LABEL=uec-rootfs ro ds=nocloud
def parse_cmdline_data(ds_id, fill, cmdline=None):
    if cmdline is None:
        cmdline = util.get_cmdline()
    cmdline = " %s " % cmdline

if not (" %s " % ds_id in cmdline or " %s;" % ds_id in cmdline):
        return False

argline = ""
    # cmdline can contain:
    # ds=nocloud[;key=val;key=val]
    for tok in cmdline.split():
        if tok.startswith(ds_id):
            argline = tok.split("=", 1)

# argline array is now 'nocloud' followed optionally by
    # a ';' and then key=value pairs also terminated with ';'
    tmp = argline[1].split(";")
    if len(tmp) > 1:
        kvpairs = tmp[1:]
    else:
        kvpairs = ()

# short2long mapping to save cmdline typing
    s2l = {"h": "local-hostname", "i": "instance-id", "s": "seedfrom"}
    for item in kvpairs:
        if item == "":
            continue
        try:
            (k, v) = item.split("=", 1)
        except:
            k = item
            v = None
        if k in s2l:
            k = s2l[k]
        fill[k] = v

return True

def _merge_new_seed(cur, seeded):
    ret = cur.copy()
    ret['meta-data'] = util.mergemanydict([cur['meta-data'],
                                          util.load_yaml(seeded['meta-data'])])
    ret['user-data'] = seeded['user-data']
    if 'vendor-data' in seeded:
        ret['vendor-data'] = seeded['vendor-data']
    return ret

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.seed_dir = os.path.join(paths.seed_dir, 'nocloud-net')
        self.dsmode = "net"

# Used to match classes to dependencies
datasources = [
  (DataSourceNoCloud, (sources.DEP_FILESYSTEM, )),
  (DataSourceNoCloudNet, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)),
]

# Return a list of data sources that match this set of dependencies
def get_datasource_list(depends):
    return sources.list_from_depends(depends, datasources)

cmd: