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