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-rw-r--r--cloudinit/sources/DataSourceAliYun.py2
-rw-r--r--cloudinit/sources/DataSourceCloudSigma.py2
-rw-r--r--cloudinit/sources/DataSourceGCE.py2
-rw-r--r--cloudinit/sources/DataSourceOpenNebula.py2
-rw-r--r--cloudinit/sources/DataSourceScaleway.py2
-rw-r--r--cloudinit/sources/tests/test_init.py28
6 files changed, 33 insertions, 5 deletions
diff --git a/cloudinit/sources/DataSourceAliYun.py b/cloudinit/sources/DataSourceAliYun.py
index 7ac8288d..22279d09 100644
--- a/cloudinit/sources/DataSourceAliYun.py
+++ b/cloudinit/sources/DataSourceAliYun.py
@@ -22,7 +22,7 @@ class DataSourceAliYun(EC2.DataSourceEc2):
super(DataSourceAliYun, self).__init__(sys_cfg, distro, paths)
self.seed_dir = os.path.join(paths.seed_dir, "AliYun")
- def get_hostname(self, fqdn=False, _resolve_ip=False):
+ def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
return self.metadata.get('hostname', 'localhost.localdomain')
def get_public_ssh_keys(self):
diff --git a/cloudinit/sources/DataSourceCloudSigma.py b/cloudinit/sources/DataSourceCloudSigma.py
index 4eaad475..c816f349 100644
--- a/cloudinit/sources/DataSourceCloudSigma.py
+++ b/cloudinit/sources/DataSourceCloudSigma.py
@@ -84,7 +84,7 @@ class DataSourceCloudSigma(sources.DataSource):
return True
- def get_hostname(self, fqdn=False, resolve_ip=False):
+ def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
"""
Cleans up and uses the server's name if the latter is set. Otherwise
the first part from uuid is being used.
diff --git a/cloudinit/sources/DataSourceGCE.py b/cloudinit/sources/DataSourceGCE.py
index bebc9918..d8162623 100644
--- a/cloudinit/sources/DataSourceGCE.py
+++ b/cloudinit/sources/DataSourceGCE.py
@@ -90,7 +90,7 @@ class DataSourceGCE(sources.DataSource):
public_keys_data = self.metadata['public-keys-data']
return _parse_public_keys(public_keys_data, self.default_user)
- def get_hostname(self, fqdn=False, resolve_ip=False):
+ def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
# GCE has long FDQN's and has asked for short hostnames.
return self.metadata['local-hostname'].split('.')[0]
diff --git a/cloudinit/sources/DataSourceOpenNebula.py b/cloudinit/sources/DataSourceOpenNebula.py
index 02cb98f7..d4a41116 100644
--- a/cloudinit/sources/DataSourceOpenNebula.py
+++ b/cloudinit/sources/DataSourceOpenNebula.py
@@ -102,7 +102,7 @@ class DataSourceOpenNebula(sources.DataSource):
else:
return None
- def get_hostname(self, fqdn=False, resolve_ip=None):
+ def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
if resolve_ip is None:
if self.dsmode == sources.DSMODE_NETWORK:
resolve_ip = True
diff --git a/cloudinit/sources/DataSourceScaleway.py b/cloudinit/sources/DataSourceScaleway.py
index b0b19c93..90056249 100644
--- a/cloudinit/sources/DataSourceScaleway.py
+++ b/cloudinit/sources/DataSourceScaleway.py
@@ -215,7 +215,7 @@ class DataSourceScaleway(sources.DataSource):
def get_public_ssh_keys(self):
return [key['key'] for key in self.metadata['ssh_public_keys']]
- def get_hostname(self, fqdn=False, resolve_ip=False):
+ def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
return self.metadata['hostname']
@property
diff --git a/cloudinit/sources/tests/test_init.py b/cloudinit/sources/tests/test_init.py
index 5065083c..e7fda22a 100644
--- a/cloudinit/sources/tests/test_init.py
+++ b/cloudinit/sources/tests/test_init.py
@@ -1,10 +1,12 @@
# This file is part of cloud-init. See LICENSE file for license information.
+import inspect
import os
import six
import stat
from cloudinit.helpers import Paths
+from cloudinit import importer
from cloudinit.sources import (
INSTANCE_JSON_FILE, DataSource)
from cloudinit.tests.helpers import CiTestCase, skipIf, mock
@@ -268,3 +270,29 @@ class TestDataSource(CiTestCase):
"WARNING: Error persisting instance-data.json: 'utf8' codec can't"
" decode byte 0xaa in position 2: invalid start byte",
self.logs.getvalue())
+
+ def test_get_hostname_subclass_support(self):
+ """Validate get_hostname signature on all subclasses of DataSource."""
+ # Use inspect.getfullargspec when we drop py2.6 and py2.7
+ get_args = inspect.getargspec # pylint: disable=W1505
+ base_args = get_args(DataSource.get_hostname) # pylint: disable=W1505
+ # Import all DataSource subclasses so we can inspect them.
+ modules = util.find_modules(os.path.dirname(os.path.dirname(__file__)))
+ for loc, name in modules.items():
+ mod_locs, _ = importer.find_module(name, ['cloudinit.sources'], [])
+ if mod_locs:
+ importer.import_module(mod_locs[0])
+ for child in DataSource.__subclasses__():
+ if 'Test' in child.dsname:
+ continue
+ self.assertEqual(
+ base_args,
+ get_args(child.get_hostname), # pylint: disable=W1505
+ '%s does not implement DataSource.get_hostname params'
+ % child)
+ for grandchild in child.__subclasses__():
+ self.assertEqual(
+ base_args,
+ get_args(grandchild.get_hostname), # pylint: disable=W1505
+ '%s does not implement DataSource.get_hostname params'
+ % grandchild)