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/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources/

/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources

Name	Size	Mode	Actions
azure/	-	0755	rm
helpers/	-	0755	rm
__pycache__/	-	0755	rm
DataSourceAliYun.py	2221	0644	edit dl rm
DataSourceAltCloud.py	8489	0644	edit dl rm
DataSourceAzure.py	70329	0644	edit dl rm
DataSourceBigstep.py	1964	0644	edit dl rm
DataSourceCloudSigma.py	4096	0644	edit dl rm
DataSourceCloudStack.py	10090	0644	edit dl rm
DataSourceConfigDrive.py	11275	0644	edit dl rm
DataSourceDigitalOcean.py	3904	0644	edit dl rm
DataSourceEc2.py	36670	0644	edit dl rm
DataSourceExoscale.py	9105	0644	edit dl rm
DataSourceGCE.py	12251	0644	edit dl rm
DataSourceHetzner.py	5537	0644	edit dl rm
DataSourceIBMCloud.py	14391	0644	edit dl rm
DataSourceLXD.py	17599	0644	edit dl rm
DataSourceMAAS.py	14735	0644	edit dl rm
DataSourceNoCloud.py	12676	0644	edit dl rm
DataSourceNone.py	1393	0644	edit dl rm
DataSourceNWCS.py	4768	0644	edit dl rm
DataSourceOpenNebula.py	16362	0644	edit dl rm
DataSourceOpenStack.py	10713	0644	edit dl rm
DataSourceOracle.py	15069	0644	edit dl rm
DataSourceOVF.py	10724	0644	edit dl rm
DataSourceRbxCloud.py	8021	0644	edit dl rm
DataSourceScaleway.py	9693	0644	edit dl rm
DataSourceSmartOS.py	34909	0644	edit dl rm
DataSourceUpCloud.py	5686	0644	edit dl rm
DataSourceVMware.py	33485	0644	edit dl rm
DataSourceVultr.py	4279	0644	edit dl rm
__init__.py	41771	0644	edit dl rm

Edit: /snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceNoCloud.py (12676B)

# 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 file is part of cloud-init. See LICENSE file for license information.

import errno
import os

from cloudinit import dmi
from cloudinit import log as logging
from cloudinit import sources, util
from cloudinit.net import eni

LOG = logging.getLogger(__name__)

class DataSourceNoCloud(sources.DataSource):

dsname = "NoCloud"

def __init__(self, sys_cfg, distro, paths):
        sources.DataSource.__init__(self, sys_cfg, distro, paths)
        self.seed = None
        self.seed_dirs = [
            os.path.join(paths.seed_dir, "nocloud"),
            os.path.join(paths.seed_dir, "nocloud-net"),
        ]
        self.seed_dir = None
        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_devices(self, label):
        fslist = util.find_devs_with("TYPE=vfat")
        fslist.extend(util.find_devs_with("TYPE=iso9660"))

label_list = util.find_devs_with("LABEL=%s" % label.upper())
        label_list.extend(util.find_devs_with("LABEL=%s" % label.lower()))
        label_list.extend(util.find_devs_with("LABEL_FATBOOT=%s" % label))

devlist = list(set(fslist) & set(label_list))
        devlist.sort(reverse=True)
        return devlist

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

found = []
        mydata = {
            "meta-data": {},
            "user-data": "",
            "vendor-data": "",
            "network-config": None,
        }

try:
            # Parse the system serial label from dmi. If not empty, try parsing
            # like the commandline
            md = {}
            serial = dmi.read_dmi_data("system-serial-number")
            if serial and load_cmdline_data(md, serial):
                found.append("dmi")
                mydata = _merge_new_seed(mydata, {"meta-data": md})
        except Exception:
            util.logexc(LOG, "Unable to parse dmi data")
            return False

try:
            # Parse the kernel command line, getting data passed in
            md = {}
            if load_cmdline_data(md):
                found.append("cmdline")
                mydata = _merge_new_seed(mydata, {"meta-data": md})
        except Exception:
            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", "network-config"],
        }

for path in self.seed_dirs:
            try:
                seeded = util.pathprefix2dict(path, **pp2d_kwargs)
                found.append(path)
                LOG.debug("Using seeded data from %s", path)
                mydata = _merge_new_seed(mydata, seeded)
                break
            except ValueError:
                pass

# 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:
            for dev in self._get_devices(label):
                try:
                    LOG.debug("Attempting to use data from %s", dev)

try:
                        seeded = util.mount_cb(
                            dev, _pp2d_callback, pp2d_kwargs
                        )
                    except ValueError:
                        LOG.warning(
                            "device %s with label=%s not a valid seed.",
                            dev,
                            label,
                        )
                        continue

mydata = _merge_new_seed(mydata, seeded)

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

# 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
            # check and replace instances of known dmi.<dmi_keys> such as
            # chassis-serial-number or baseboard-product-name
            seedfrom = dmi.sub_dmi_vars(seedfrom)

# This could throw errors, but the user told us to do it
            # so if errors are raised, let them raise
            (md_seed, ud, vd) = 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
            mydata["vendor-data"] = vd
            found.append(seedfrom)

# Now that we have exhausted any other places merge in the defaults
        mydata["meta-data"] = util.mergemanydict(
            [mydata["meta-data"], defaults]
        )

self.dsmode = self._determine_dsmode(
            [mydata["meta-data"].get("dsmode")]
        )

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

@property
    def platform_type(self):
        # Handle upgrade path of pickled ds
        if not hasattr(self, "_platform_type"):
            self._platform_type = None
        if not self._platform_type:
            self._platform_type = "lxd" if util.is_lxd() else "nocloud"
        return self._platform_type

def _get_cloud_name(self):
        """Return unknown when 'cloud-name' key is absent from metadata."""
        return sources.METADATA_UNKNOWN

def _get_subplatform(self):
        """Return the subplatform metadata source details."""
        if self.seed.startswith("/dev"):
            subplatform_type = "config-disk"
        else:
            subplatform_type = "seed-dir"
        return "%s (%s)" % (subplatform_type, self.seed)

def check_instance_id(self, sys_cfg):
        # quickly (local check only) if self.instance_id is still valid
        # we check kernel command line or files.
        current = self.get_instance_id()
        if not current:
            return None

# LP: #1568150 need getattr in the case that an old class object
        # has been loaded from a pickled file and now executing new source.
        dirs = getattr(self, "seed_dirs", [self.seed_dir])
        quick_id = _quick_read_instance_id(dirs=dirs)
        if not quick_id:
            return None
        return quick_id == current

@property
    def network_config(self):
        if self._network_config is None:
            if self._network_eni is not None:
                self._network_config = eni.convert_eni_data(self._network_eni)
        return self._network_config

def _quick_read_instance_id(dirs=None):
    if dirs is None:
        dirs = []

iid_key = "instance-id"
    fill = {}
    if load_cmdline_data(fill) and iid_key in fill:
        return fill[iid_key]

for d in dirs:
        if d is None:
            continue
        try:
            data = util.pathprefix2dict(d, required=["meta-data"])
            md = util.load_yaml(data["meta-data"])
            if md and iid_key in md:
                return md[iid_key]
        except ValueError:
            pass

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 command 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.  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):
    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 Exception:
            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()

newmd = seeded.get("meta-data", {})
    if not isinstance(seeded["meta-data"], dict):
        newmd = util.load_yaml(seeded["meta-data"])
    ret["meta-data"] = util.mergemanydict([cur["meta-data"], newmd])

if seeded.get("network-config"):
        ret["network-config"] = util.load_yaml(seeded.get("network-config"))

if "user-data" in seeded:
        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.supported_seed_starts = ("http://", "https://")

# 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)

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