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# vi: ts=4 expandtab
#
# Author: Neal Shrader <neal@digitalocean.com>
# Author: Ben Howard <bh@digitalocean.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/>.
# DigitalOcean Droplet API:
# https://developers.digitalocean.com/documentation/metadata/
from cloudinit import log as logging
from cloudinit import sources
from cloudinit import util
import cloudinit.sources.helpers.digitalocean as do_helper
LOG = logging.getLogger(__name__)
BUILTIN_DS_CONFIG = {
'metadata_url': 'http://169.254.169.254/metadata/v1.json',
}
# Wait for a up to a minute, retrying the meta-data server
# every 2 seconds.
MD_RETRIES = 30
MD_TIMEOUT = 2
MD_WAIT_RETRY = 2
MD_USE_IPV4LL = True
class DataSourceDigitalOcean(sources.DataSource):
def __init__(self, sys_cfg, distro, paths):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
self.distro = distro
self.metadata = dict()
self.ds_cfg = util.mergemanydict([
util.get_cfg_by_path(sys_cfg, ["datasource", "DigitalOcean"], {}),
BUILTIN_DS_CONFIG])
self.metadata_address = self.ds_cfg['metadata_url']
self.retries = self.ds_cfg.get('retries', MD_RETRIES)
self.timeout = self.ds_cfg.get('timeout', MD_TIMEOUT)
self.use_ip4LL = self.ds_cfg.get('use_ip4LL', MD_USE_IPV4LL)
self.wait_retry = self.ds_cfg.get('wait_retry', MD_WAIT_RETRY)
self._network_config = None
def _get_sysinfo(self):
return do_helper.read_sysinfo()
def get_data(self):
(is_do, droplet_id) = self._get_sysinfo()
# only proceed if we know we are on DigitalOcean
if not is_do:
return False
LOG.info("Running on digital ocean. droplet_id=%s" % droplet_id)
ipv4LL_nic = None
if self.use_ip4LL:
ipv4LL_nic = do_helper.assign_ipv4_link_local()
md = do_helper.read_metadata(
self.metadata_address, timeout=self.timeout,
sec_between=self.wait_retry, retries=self.retries)
self.metadata_full = md
self.metadata['instance-id'] = md.get('droplet_id', droplet_id)
self.metadata['local-hostname'] = md.get('hostname', droplet_id)
self.metadata['interfaces'] = md.get('interfaces')
self.metadata['public-keys'] = md.get('public_keys')
self.metadata['availability_zone'] = md.get('region', 'default')
self.vendordata_raw = md.get("vendor_data", None)
self.userdata_raw = md.get("user_data", None)
if ipv4LL_nic:
do_helper.del_ipv4_link_local(ipv4LL_nic)
return True
def check_instance_id(self, sys_cfg):
return sources.instance_id_matches_system_uuid(
self.get_instance_id(), 'system-serial-number')
@property
def network_config(self):
"""Configure the networking. This needs to be done each boot, since
the IP information may have changed due to snapshot and/or
migration.
"""
if self._network_config:
return self._network_config
interfaces = self.metadata.get('interfaces')
LOG.debug(interfaces)
if not interfaces:
raise Exception("Unable to get meta-data from server....")
nameservers = self.metadata_full['dns']['nameservers']
self._network_config = do_helper.convert_network_configuration(
interfaces, nameservers)
return self._network_config
# Used to match classes to dependencies
datasources = [
(DataSourceDigitalOcean, (sources.DEP_FILESYSTEM, )),
]
# 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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