diff options
Diffstat (limited to 'cloudinit/sources/DataSourceHetzner.py')
| -rw-r--r-- | cloudinit/sources/DataSourceHetzner.py | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/cloudinit/sources/DataSourceHetzner.py b/cloudinit/sources/DataSourceHetzner.py index a86035e0..c7c88dd7 100644 --- a/cloudinit/sources/DataSourceHetzner.py +++ b/cloudinit/sources/DataSourceHetzner.py @@ -3,9 +3,10 @@ # # This file is part of cloud-init. See LICENSE file for license information. # -"""Hetzner Cloud API Documentation. +"""Hetzner Cloud API Documentation https://docs.hetzner.cloud/""" +from cloudinit import dmi from cloudinit import log as logging from cloudinit import net as cloudnet from cloudinit import sources @@ -46,9 +47,12 @@ class DataSourceHetzner(sources.DataSource): self._network_config = None self.dsmode = sources.DSMODE_NETWORK - def get_data(self): - if not on_hetzner(): + def _get_data(self): + (on_hetzner, serial) = get_hcloud_data() + + if not on_hetzner: return False + nic = cloudnet.find_fallback_nic() with cloudnet.EphemeralIPv4Network(nic, "169.254.0.1", 16, "169.254.255.255"): @@ -78,8 +82,18 @@ class DataSourceHetzner(sources.DataSource): 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 @@ -99,8 +113,18 @@ class DataSourceHetzner(sources.DataSource): return self._network_config -def on_hetzner(): - return util.read_dmi_data('system-manufacturer') == "Hetzner" +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 |