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/snap/core18/2999/usr/lib/python3/dist-packages/cloudinit/sources/

/snap/core18/2999/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/core18/2999/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceCloudStack.py (10090B)

# Copyright (C) 2012 Canonical Ltd.
# Copyright (C) 2012 Cosmin Luta
# Copyright (C) 2012 Yahoo! Inc.
# Copyright (C) 2012 Gerard Dethier
# Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
#
# Author: Cosmin Luta <q4break@gmail.com>
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
# Author: Gerard Dethier <g.dethier@gmail.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

import os
import time
from socket import gaierror, getaddrinfo, inet_ntoa
from struct import pack

from cloudinit import log as logging
from cloudinit import sources, subp
from cloudinit import url_helper as uhelp
from cloudinit import util
from cloudinit.net import dhcp
from cloudinit.sources.helpers import ec2

LOG = logging.getLogger(__name__)

class CloudStackPasswordServerClient:
    """
    Implements password fetching from the CloudStack password server.

http://cloudstack-administration.readthedocs.org/
       en/latest/templates.html#adding-password-management-to-your-templates
    has documentation about the system.  This implementation is following that
    found at
    https://github.com/shankerbalan/cloudstack-scripts/
       blob/master/cloud-set-guest-password-debian
    """

def __init__(self, virtual_router_address):
        self.virtual_router_address = virtual_router_address

def _do_request(self, domu_request):
        # The password server was in the past, a broken HTTP server, but is now
        # fixed.  wget handles this seamlessly, so it's easier to shell out to
        # that rather than write our own handling code.
        output, _ = subp.subp(
            [
                "wget",
                "--quiet",
                "--tries",
                "3",
                "--timeout",
                "20",
                "--output-document",
                "-",
                "--header",
                "DomU_Request: {0}".format(domu_request),
                "{0}:8080".format(self.virtual_router_address),
            ]
        )
        return output.strip()

def get_password(self):
        password = self._do_request("send_my_password")
        if password in ["", "saved_password"]:
            return None
        if password == "bad_request":
            raise RuntimeError("Error when attempting to fetch root password.")
        self._do_request("saved_password")
        return password

class DataSourceCloudStack(sources.DataSource):

dsname = "CloudStack"

# Setup read_url parameters per get_url_params.
    url_max_wait = 120
    url_timeout = 50

def __init__(self, sys_cfg, distro, paths):
        sources.DataSource.__init__(self, sys_cfg, distro, paths)
        self.seed_dir = os.path.join(paths.seed_dir, "cs")
        # Cloudstack has its metadata/userdata URLs located at
        # http://<virtual-router-ip>/latest/
        self.api_ver = "latest"
        self.vr_addr = get_vr_address()
        if not self.vr_addr:
            raise RuntimeError("No virtual router found!")
        self.metadata_address = "http://%s/" % (self.vr_addr,)
        self.cfg = {}

def wait_for_metadata_service(self):
        url_params = self.get_url_params()

if url_params.max_wait_seconds <= 0:
            return False

urls = [
            uhelp.combine_url(
                self.metadata_address, "latest/meta-data/instance-id"
            )
        ]
        start_time = time.time()
        url, _response = uhelp.wait_for_url(
            urls=urls,
            max_wait=url_params.max_wait_seconds,
            timeout=url_params.timeout_seconds,
            status_cb=LOG.warning,
        )

if url:
            LOG.debug("Using metadata source: '%s'", url)
        else:
            LOG.critical(
                "Giving up on waiting for the metadata from %s"
                " after %s seconds",
                urls,
                int(time.time() - start_time),
            )

return bool(url)

def get_config_obj(self):
        return self.cfg

def _get_data(self):
        seed_ret = {}
        if util.read_optional_seed(seed_ret, base=(self.seed_dir + "/")):
            self.userdata_raw = seed_ret["user-data"]
            self.metadata = seed_ret["meta-data"]
            LOG.debug("Using seeded cloudstack data from: %s", self.seed_dir)
            return True
        try:
            if not self.wait_for_metadata_service():
                return False
            start_time = time.time()
            self.userdata_raw = ec2.get_instance_userdata(
                self.api_ver, self.metadata_address
            )
            self.metadata = ec2.get_instance_metadata(
                self.api_ver, self.metadata_address
            )
            LOG.debug(
                "Crawl of metadata service took %s seconds",
                int(time.time() - start_time),
            )
            password_client = CloudStackPasswordServerClient(self.vr_addr)
            try:
                set_password = password_client.get_password()
            except Exception:
                util.logexc(
                    LOG,
                    "Failed to fetch password from virtual router %s",
                    self.vr_addr,
                )
            else:
                if set_password:
                    self.cfg = {
                        "ssh_pwauth": True,
                        "password": set_password,
                        "chpasswd": {
                            "expire": False,
                        },
                    }
            return True
        except Exception:
            util.logexc(
                LOG,
                "Failed fetching from metadata service %s",
                self.metadata_address,
            )
            return False

def get_instance_id(self):
        return self.metadata["instance-id"]

@property
    def availability_zone(self):
        return self.metadata["availability-zone"]

def get_data_server():
    # Returns the metadataserver from dns
    try:
        addrinfo = getaddrinfo("data-server", 80)
    except gaierror:
        LOG.debug("DNS Entry data-server not found")
        return None
    else:
        return addrinfo[0][4][0]  # return IP

def get_default_gateway():
    # Returns the default gateway ip address in the dotted format.
    lines = util.load_file("/proc/net/route").splitlines()
    for line in lines:
        items = line.split("\t")
        if items[1] == "00000000":
            # Found the default route, get the gateway
            gw = inet_ntoa(pack("<L", int(items[2], 16)))
            LOG.debug("Found default route, gateway is %s", gw)
            return gw
    return None

def get_dhclient_d():
    # find lease files directory
    supported_dirs = [
        "/var/lib/dhclient",
        "/var/lib/dhcp",
        "/var/lib/NetworkManager",
    ]
    for d in supported_dirs:
        if os.path.exists(d) and len(os.listdir(d)) > 0:
            LOG.debug("Using %s lease directory", d)
            return d
    return None

def get_latest_lease(lease_d=None):
    # find latest lease file
    if lease_d is None:
        lease_d = get_dhclient_d()
    if not lease_d:
        return None
    lease_files = os.listdir(lease_d)
    latest_mtime = -1
    latest_file = None

# lease files are named inconsistently across distros.
    # We assume that 'dhclient6' indicates ipv6 and ignore it.
    # ubuntu:
    #   dhclient.<iface>.leases, dhclient.leases, dhclient6.leases
    # centos6:
    #   dhclient-<iface>.leases, dhclient6.leases
    # centos7: ('--' is not a typo)
    #   dhclient--<iface>.lease, dhclient6.leases
    for fname in lease_files:
        if fname.startswith("dhclient6"):
            # avoid files that start with dhclient6 assuming dhcpv6.
            continue
        if not (fname.endswith(".lease") or fname.endswith(".leases")):
            continue

abs_path = os.path.join(lease_d, fname)
        mtime = os.path.getmtime(abs_path)
        if mtime > latest_mtime:
            latest_mtime = mtime
            latest_file = abs_path
    return latest_file

def get_vr_address():
    # Get the address of the virtual router via dhcp leases
    # If no virtual router is detected, fallback on default gateway.
    # See http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/4.8/virtual_machines/user-data.html # noqa

# Try data-server DNS entry first
    latest_address = get_data_server()
    if latest_address:
        LOG.debug(
            "Found metadata server '%s' via data-server DNS entry",
            latest_address,
        )
        return latest_address

# Try networkd second...
    latest_address = dhcp.networkd_get_option_from_leases("SERVER_ADDRESS")
    if latest_address:
        LOG.debug(
            "Found SERVER_ADDRESS '%s' via networkd_leases", latest_address
        )
        return latest_address

# Try dhcp lease files next...
    lease_file = get_latest_lease()
    if not lease_file:
        LOG.debug("No lease file found, using default gateway")
        return get_default_gateway()

with open(lease_file, "r") as fd:
        for line in fd:
            if "dhcp-server-identifier" in line:
                words = line.strip(" ;\r\n").split(" ")
                if len(words) > 2:
                    dhcptok = words[2]
                    LOG.debug("Found DHCP identifier %s", dhcptok)
                    latest_address = dhcptok
    if not latest_address:
        # No virtual router found, fallback on default gateway
        LOG.debug("No DHCP found, using default gateway")
        return get_default_gateway()
    return latest_address

# Used to match classes to dependencies
datasources = [
    (DataSourceCloudStack, (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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