diff options
Diffstat (limited to 'cloudinit/sources')
| -rw-r--r-- | cloudinit/sources/DataSourceGCE.py | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/cloudinit/sources/DataSourceGCE.py b/cloudinit/sources/DataSourceGCE.py index 9f838bd4..b82fa410 100644 --- a/cloudinit/sources/DataSourceGCE.py +++ b/cloudinit/sources/DataSourceGCE.py @@ -4,6 +4,7 @@ import datetime import json +from contextlib import suppress as noop from base64 import b64decode @@ -13,6 +14,7 @@ from cloudinit import log as logging from cloudinit import sources from cloudinit import url_helper from cloudinit import util +from cloudinit.net.dhcp import EphemeralDHCPv4 LOG = logging.getLogger(__name__) @@ -58,6 +60,7 @@ class GoogleMetadataFetcher(object): class DataSourceGCE(sources.DataSource): dsname = 'GCE' + perform_dhcp_setup = False def __init__(self, sys_cfg, distro, paths): sources.DataSource.__init__(self, sys_cfg, distro, paths) @@ -73,10 +76,19 @@ class DataSourceGCE(sources.DataSource): def _get_data(self): url_params = self.get_url_params() - ret = util.log_time( - LOG.debug, 'Crawl of GCE metadata service', - read_md, kwargs={'address': self.metadata_address, - 'url_params': url_params}) + network_context = noop() + if self.perform_dhcp_setup: + network_context = EphemeralDHCPv4(self.fallback_interface) + with network_context: + ret = util.log_time( + LOG.debug, + "Crawl of GCE metadata service", + read_md, + kwargs={ + "address": self.metadata_address, + "url_params": url_params, + }, + ) if not ret['success']: if ret['platform_reports_gce']: @@ -117,6 +129,10 @@ class DataSourceGCE(sources.DataSource): return self.availability_zone.rsplit('-', 1)[0] +class DataSourceGCELocal(DataSourceGCE): + perform_dhcp_setup = True + + def _write_host_key_to_guest_attributes(key_type, key_value): url = '%s/%s/%s' % (GUEST_ATTRIBUTES_URL, HOSTKEY_NAMESPACE, key_type) key_value = key_value.encode('utf-8') @@ -272,6 +288,7 @@ def platform_reports_gce(): # Used to match classes to dependencies. datasources = [ + (DataSourceGCELocal, (sources.DEP_FILESYSTEM,)), (DataSourceGCE, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)), ] |