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-rw-r--r--cloudinit/sources/DataSourceAzure.py39
-rw-r--r--tests/unittests/test_datasource/test_azure.py6
2 files changed, 25 insertions, 20 deletions
diff --git a/cloudinit/sources/DataSourceAzure.py b/cloudinit/sources/DataSourceAzure.py
index d0a882ca..1193d88b 100644
--- a/cloudinit/sources/DataSourceAzure.py
+++ b/cloudinit/sources/DataSourceAzure.py
@@ -254,7 +254,7 @@ class DataSourceAzureNet(sources.DataSource):
self.metadata.update(fabric_data)
- found_ephemeral = find_ephemeral_disk()
+ found_ephemeral = find_fabric_formatted_ephemeral_disk()
if found_ephemeral:
self.ds_cfg['disk_aliases']['ephemeral0'] = found_ephemeral
LOG.debug("using detected ephemeral0 of %s", found_ephemeral)
@@ -276,30 +276,33 @@ def count_files(mp):
return len(fnmatch.filter(os.listdir(mp), '*[!cdrom]*'))
-def find_ephemeral_part():
+def find_fabric_formatted_ephemeral_part():
"""
- Locate the default ephmeral0.1 device. This will be the first device
- that has a LABEL of DEF_EPHEMERAL_LABEL and is a NTFS device. If Azure
- gets more ephemeral devices, this logic will only identify the first
- such device.
+ Locate the first fabric formatted ephemeral device.
"""
- c_label_devs = util.find_devs_with("LABEL=%s" % DEF_EPHEMERAL_LABEL)
- c_fstype_devs = util.find_devs_with("TYPE=ntfs")
- for dev in c_label_devs:
- if dev in c_fstype_devs:
- return dev
+ potential_locations = ['/dev/disk/cloud/azure_resource-part1',
+ '/dev/disk/azure/resource-part1']
+ device_location = None
+ for potential_location in potential_locations:
+ if os.path.exists(potential_location):
+ device_location = potential_location
+ break
+ if device_location is None:
+ return None
+ ntfs_devices = util.find_devs_with("TYPE=ntfs")
+ real_device = os.path.realpath(device_location)
+ if real_device in ntfs_devices:
+ return device_location
return None
-def find_ephemeral_disk():
+def find_fabric_formatted_ephemeral_disk():
"""
Get the ephemeral disk.
"""
- part_dev = find_ephemeral_part()
- if part_dev and str(part_dev[-1]).isdigit():
- return part_dev[:-1]
- elif part_dev:
- return part_dev
+ part_dev = find_fabric_formatted_ephemeral_part()
+ if part_dev:
+ return part_dev.split('-')[0]
return None
@@ -313,7 +316,7 @@ def support_new_ephemeral(cfg):
new ephemeral device is detected, cloud-init overrides the default
frequency for both disk-setup and mounts for the current boot only.
"""
- device = find_ephemeral_part()
+ device = find_fabric_formatted_ephemeral_part()
if not device:
LOG.debug("no default fabric formated ephemeral0.1 found")
return None
diff --git a/tests/unittests/test_datasource/test_azure.py b/tests/unittests/test_datasource/test_azure.py
index 33b971f6..3b7e3293 100644
--- a/tests/unittests/test_datasource/test_azure.py
+++ b/tests/unittests/test_datasource/test_azure.py
@@ -475,10 +475,12 @@ class TestAzureBounce(TestCase):
mock.patch.object(DataSourceAzure, 'list_possible_azure_ds_devs',
mock.MagicMock(return_value=[])))
self.patches.enter_context(
- mock.patch.object(DataSourceAzure, 'find_ephemeral_disk',
+ mock.patch.object(DataSourceAzure,
+ 'find_fabric_formatted_ephemeral_disk',
mock.MagicMock(return_value=None)))
self.patches.enter_context(
- mock.patch.object(DataSourceAzure, 'find_ephemeral_part',
+ mock.patch.object(DataSourceAzure,
+ 'find_fabric_formatted_ephemeral_part',
mock.MagicMock(return_value=None)))
self.patches.enter_context(
mock.patch.object(DataSourceAzure, 'get_metadata_from_fabric',