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# Author: Neal Shrader <neal@digitalocean.com>
# Author: Ben Howard <bh@digitalocean.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
# DigitalOcean Droplet API:
# https://developers.digitalocean.com/documentation/metadata/
import cloudinit.sources.helpers.digitalocean as do_helper
from cloudinit import log as logging
from cloudinit import sources, util
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):
dsname = "DigitalOcean"
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 DigitalOcean. droplet_id=%s", droplet_id)
ipv4LL_nic = None
if self.use_ip4LL:
ipv4LL_nic = do_helper.assign_ipv4_link_local(self.distro)
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)
# vi: ts=4 expandtab
|
