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/DataSourceCloudStack.py (6955B)

# vi: ts=4 expandtab
#
#    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 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 os
import time

from cloudinit import ec2_utils as ec2
from cloudinit import log as logging
from cloudinit import sources
from cloudinit import url_helper as uhelp
from cloudinit import util
from socket import inet_ntoa
from struct import pack

LOG = logging.getLogger(__name__)

class DataSourceCloudStack(sources.DataSource):
    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'
        vr_addr = get_vr_address()
        if not vr_addr:
            raise RuntimeError("No virtual router found!")
        self.metadata_address = "http://%s/" % (vr_addr)

def _get_url_settings(self):
        mcfg = self.ds_cfg
        if not mcfg:
            mcfg = {}
        max_wait = 120
        try:
            max_wait = int(mcfg.get("max_wait", max_wait))
        except Exception:
            util.logexc(LOG, "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, "Failed to get timeout, using %s", timeout)

return (max_wait, timeout)

def wait_for_metadata_service(self):
        mcfg = self.ds_cfg
        if not mcfg:
            mcfg = {}

(max_wait, timeout) = self._get_url_settings()

urls = [self.metadata_address + "/latest/meta-data/instance-id"]
        start_time = time.time()
        url = uhelp.wait_for_url(urls=urls, max_wait=max_wait,
                                timeout=timeout, status_cb=LOG.warn)

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_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))
            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_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"]
    for d in supported_dirs:
        if os.path.exists(d):
            LOG.debug("Using %s lease directory", d)
            return d
    return None

def get_latest_lease():
    # find latest lease file
    lease_d = get_dhclient_d()
    if not lease_d:
        return None
    lease_files = os.listdir(lease_d)
    latest_mtime = -1
    latest_file = None
    for file_name in lease_files:
        if file_name.endswith(".lease") or file_name.endswith(".leases"):
            abs_path = os.path.join(lease_d, file_name)
            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
    # see http://bit.ly/T76eKC for documentation on the virtual router.
    # If no virtual router is detected, fallback on default gateway.
    lease_file = get_latest_lease()
    if not lease_file:
        LOG.debug("No lease file found, using default gateway")
        return get_default_gateway()

latest_address = None
    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:
                    dhcp = words[2]
                    LOG.debug("Found DHCP identifier %s", dhcp)
                    latest_address = dhcp
    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)

cmd: