Файловый менеджер

Файловый менеджер - Редактировать - /snap/core18/2846/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceHetzner.py

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# Author: Jonas Keidel <jonas.keidel@hetzner.com> # Author: Markus Schade <markus.schade@hetzner.com> # # This file is part of cloud-init. See LICENSE file for license information. # """Hetzner Cloud API Documentation https://docs.hetzner.cloud/""" import cloudinit.sources.helpers.hetzner as hc_helper from cloudinit import dmi from cloudinit import log as logging from cloudinit import net, sources, util from cloudinit.net.dhcp import NoDHCPLeaseError from cloudinit.net.ephemeral import EphemeralDHCPv4 LOG = logging.getLogger(__name__) BASE_URL_V1 = "http://169.254.169.254/hetzner/v1" BUILTIN_DS_CONFIG = { "metadata_url": BASE_URL_V1 + "/metadata", "userdata_url": BASE_URL_V1 + "/userdata", } MD_RETRIES = 60 MD_TIMEOUT = 2 MD_WAIT_RETRY = 2 class DataSourceHetzner(sources.DataSource): dsname = "Hetzner" 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", "Hetzner"], {}), BUILTIN_DS_CONFIG, ] ) self.metadata_address = self.ds_cfg["metadata_url"] self.userdata_address = self.ds_cfg["userdata_url"] self.retries = self.ds_cfg.get("retries", MD_RETRIES) self.timeout = self.ds_cfg.get("timeout", MD_TIMEOUT) self.wait_retry = self.ds_cfg.get("wait_retry", MD_WAIT_RETRY) self._network_config = sources.UNSET self.dsmode = sources.DSMODE_NETWORK def _get_data(self): (on_hetzner, serial) = get_hcloud_data() if not on_hetzner: return False try: with EphemeralDHCPv4( iface=net.find_fallback_nic(), connectivity_url_data={ "url": BASE_URL_V1 + "/metadata/instance-id", }, tmp_dir=self.distro.get_tmp_exec_path(), ): md = hc_helper.read_metadata( self.metadata_address, timeout=self.timeout, sec_between=self.wait_retry, retries=self.retries, ) ud = hc_helper.read_userdata( self.userdata_address, timeout=self.timeout, sec_between=self.wait_retry, retries=self.retries, ) except (NoDHCPLeaseError) as e: LOG.error("Bailing, DHCP Exception: %s", e) raise # Hetzner cloud does not support binary user-data. So here, do a # base64 decode of the data if we can. The end result being that a # user can provide base64 encoded (possibly gzipped) data as user-data. # # The fallout is that in the event of b64 encoded user-data, # /var/lib/cloud-init/cloud-config.txt will not be identical to the # user-data provided. It will be decoded. self.userdata_raw = hc_helper.maybe_b64decode(ud) self.metadata_full = md # hostname is name provided by user at launch. The API enforces it is # a valid hostname, but it is not guaranteed to be resolvable in dns or # fully qualified. self.metadata["instance-id"] = md["instance-id"] self.metadata["local-hostname"] = md["hostname"] self.metadata["network-config"] = md.get("network-config", None) self.metadata["public-keys"] = md.get("public-keys", None) self.vendordata_raw = md.get("vendor_data", None) # instance-id and serial from SMBIOS should be identical if self.get_instance_id() != serial: raise RuntimeError( "SMBIOS serial does not match instance ID from metadata" ) 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 is None: LOG.warning( "Found None as cached _network_config. Resetting to %s", sources.UNSET, ) self._network_config = sources.UNSET if self._network_config != sources.UNSET: return self._network_config _net_config = self.metadata["network-config"] if not _net_config: raise Exception("Unable to get meta-data from server....") self._network_config = _net_config return self._network_config def get_hcloud_data(): vendor_name = dmi.read_dmi_data("system-manufacturer") if vendor_name != "Hetzner": return (False, None) serial = dmi.read_dmi_data("system-serial-number") if serial: LOG.debug("Running on Hetzner Cloud: serial=%s", serial) else: raise RuntimeError("Hetzner Cloud detected, but no serial found") return (True, serial) # Used to match classes to dependencies datasources = [ (DataSourceHetzner, (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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