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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
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