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-rw-r--r--cloudinit/sources/DataSourceAltCloud.py113
1 files changed, 60 insertions, 53 deletions
diff --git a/cloudinit/sources/DataSourceAltCloud.py b/cloudinit/sources/DataSourceAltCloud.py
index cd93412a..9029b535 100644
--- a/cloudinit/sources/DataSourceAltCloud.py
+++ b/cloudinit/sources/DataSourceAltCloud.py
@@ -7,10 +7,10 @@
#
# This file is part of cloud-init. See LICENSE file for license information.
-'''
+"""
This file contains code used to gather the user data passed to an
instance on RHEVm and vSphere.
-'''
+"""
import errno
import os
@@ -18,29 +18,26 @@ import os.path
from cloudinit import dmi
from cloudinit import log as logging
-from cloudinit import sources
-from cloudinit import subp
-from cloudinit import util
-
+from cloudinit import sources, subp, util
LOG = logging.getLogger(__name__)
# Needed file paths
-CLOUD_INFO_FILE = '/etc/sysconfig/cloud-info'
+CLOUD_INFO_FILE = "/etc/sysconfig/cloud-info"
# Shell command lists
-CMD_PROBE_FLOPPY = ['modprobe', 'floppy']
+CMD_PROBE_FLOPPY = ["modprobe", "floppy"]
META_DATA_NOT_SUPPORTED = {
- 'block-device-mapping': {},
- 'instance-id': 455,
- 'local-hostname': 'localhost',
- 'placement': {},
+ "block-device-mapping": {},
+ "instance-id": 455,
+ "local-hostname": "localhost",
+ "placement": {},
}
def read_user_data_callback(mount_dir):
- '''
+ """
Description:
This callback will be applied by util.mount_cb() on the mounted
file.
@@ -55,10 +52,10 @@ def read_user_data_callback(mount_dir):
Returns:
User Data
- '''
+ """
- deltacloud_user_data_file = mount_dir + '/deltacloud-user-data.txt'
- user_data_file = mount_dir + '/user-data.txt'
+ deltacloud_user_data_file = mount_dir + "/deltacloud-user-data.txt"
+ user_data_file = mount_dir + "/user-data.txt"
# First try deltacloud_user_data_file. On failure try user_data_file.
try:
@@ -67,7 +64,7 @@ def read_user_data_callback(mount_dir):
try:
user_data = util.load_file(user_data_file).strip()
except IOError:
- util.logexc(LOG, 'Failed accessing user data file.')
+ util.logexc(LOG, "Failed accessing user data file.")
return None
return user_data
@@ -75,7 +72,7 @@ def read_user_data_callback(mount_dir):
class DataSourceAltCloud(sources.DataSource):
- dsname = 'AltCloud'
+ dsname = "AltCloud"
def __init__(self, sys_cfg, distro, paths):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
@@ -87,7 +84,7 @@ class DataSourceAltCloud(sources.DataSource):
return "%s [seed=%s]" % (root, self.seed)
def get_cloud_type(self):
- '''
+ """
Description:
Get the type for the cloud back end this instance is running on
by examining the string returned by reading either:
@@ -101,31 +98,34 @@ class DataSourceAltCloud(sources.DataSource):
One of the following strings:
'RHEV', 'VSPHERE' or 'UNKNOWN'
- '''
+ """
if os.path.exists(CLOUD_INFO_FILE):
try:
cloud_type = util.load_file(CLOUD_INFO_FILE).strip().upper()
except IOError:
- util.logexc(LOG, 'Unable to access cloud info file at %s.',
- CLOUD_INFO_FILE)
- return 'UNKNOWN'
+ util.logexc(
+ LOG,
+ "Unable to access cloud info file at %s.",
+ CLOUD_INFO_FILE,
+ )
+ return "UNKNOWN"
return cloud_type
system_name = dmi.read_dmi_data("system-product-name")
if not system_name:
- return 'UNKNOWN'
+ return "UNKNOWN"
sys_name = system_name.upper()
- if sys_name.startswith('RHEV'):
- return 'RHEV'
+ if sys_name.startswith("RHEV"):
+ return "RHEV"
- if sys_name.startswith('VMWARE'):
- return 'VSPHERE'
+ if sys_name.startswith("VMWARE"):
+ return "VSPHERE"
- return 'UNKNOWN'
+ return "UNKNOWN"
def _get_data(self):
- '''
+ """
Description:
User Data is passed to the launching instance which
is used to perform instance configuration.
@@ -140,18 +140,18 @@ class DataSourceAltCloud(sources.DataSource):
Images not built with Imagefactory will try to
determine what the cloud provider is based on system
information.
- '''
+ """
- LOG.debug('Invoked get_data()')
+ LOG.debug("Invoked get_data()")
cloud_type = self.get_cloud_type()
- LOG.debug('cloud_type: %s', str(cloud_type))
+ LOG.debug("cloud_type: %s", str(cloud_type))
- if 'RHEV' in cloud_type:
+ if "RHEV" in cloud_type:
if self.user_data_rhevm():
return True
- elif 'VSPHERE' in cloud_type:
+ elif "VSPHERE" in cloud_type:
if self.user_data_vsphere():
return True
else:
@@ -160,20 +160,20 @@ class DataSourceAltCloud(sources.DataSource):
return False
# No user data found
- util.logexc(LOG, 'Failed accessing user data.')
+ util.logexc(LOG, "Failed accessing user data.")
return False
def _get_subplatform(self):
"""Return the subplatform metadata details."""
cloud_type = self.get_cloud_type()
- if not hasattr(self, 'source'):
+ if not hasattr(self, "source"):
self.source = sources.METADATA_UNKNOWN
- if cloud_type == 'RHEV':
- self.source = '/dev/fd0'
- return '%s (%s)' % (cloud_type.lower(), self.source)
+ if cloud_type == "RHEV":
+ self.source = "/dev/fd0"
+ return "%s (%s)" % (cloud_type.lower(), self.source)
def user_data_rhevm(self):
- '''
+ """
RHEVM specific userdata read
If on RHEV-M the user data will be contained on the
@@ -186,7 +186,7 @@ class DataSourceAltCloud(sources.DataSource):
mount /dev/fd0 <tmp mount dir>
The call back passed to util.mount_cb will do:
read <tmp mount dir>/<user_data_file>
- '''
+ """
return_str = None
@@ -194,16 +194,16 @@ class DataSourceAltCloud(sources.DataSource):
try:
modprobe_floppy()
except subp.ProcessExecutionError as e:
- util.logexc(LOG, 'Failed modprobe: %s', e)
+ util.logexc(LOG, "Failed modprobe: %s", e)
return False
- floppy_dev = '/dev/fd0'
+ floppy_dev = "/dev/fd0"
# udevadm settle for floppy device
try:
util.udevadm_settle(exists=floppy_dev, timeout=5)
except (subp.ProcessExecutionError, OSError) as e:
- util.logexc(LOG, 'Failed udevadm_settle: %s\n', e)
+ util.logexc(LOG, "Failed udevadm_settle: %s\n", e)
return False
try:
@@ -212,8 +212,11 @@ class DataSourceAltCloud(sources.DataSource):
if err.errno != errno.ENOENT:
raise
except util.MountFailedError:
- util.logexc(LOG, "Failed to mount %s when looking for user data",
- floppy_dev)
+ util.logexc(
+ LOG,
+ "Failed to mount %s when looking for user data",
+ floppy_dev,
+ )
self.userdata_raw = return_str
self.metadata = META_DATA_NOT_SUPPORTED
@@ -224,7 +227,7 @@ class DataSourceAltCloud(sources.DataSource):
return False
def user_data_vsphere(self):
- '''
+ """
vSphere specific userdata read
If on vSphere the user data will be contained on the
@@ -235,10 +238,10 @@ class DataSourceAltCloud(sources.DataSource):
mount /dev/fd0 <tmp mount dir>
The call back passed to util.mount_cb will do:
read <tmp mount dir>/<user_data_file>
- '''
+ """
return_str = None
- cdrom_list = util.find_devs_with('LABEL=CDROM')
+ cdrom_list = util.find_devs_with("LABEL=CDROM")
for cdrom_dev in cdrom_list:
try:
return_str = util.mount_cb(cdrom_dev, read_user_data_callback)
@@ -249,8 +252,11 @@ class DataSourceAltCloud(sources.DataSource):
if err.errno != errno.ENOENT:
raise
except util.MountFailedError:
- util.logexc(LOG, "Failed to mount %s when looking for user "
- "data", cdrom_dev)
+ util.logexc(
+ LOG,
+ "Failed to mount %s when looking for user data",
+ cdrom_dev,
+ )
self.userdata_raw = return_str
self.metadata = META_DATA_NOT_SUPPORTED
@@ -263,7 +269,7 @@ class DataSourceAltCloud(sources.DataSource):
def modprobe_floppy():
out, _err = subp.subp(CMD_PROBE_FLOPPY)
- LOG.debug('Command: %s\nOutput%s', ' '.join(CMD_PROBE_FLOPPY), out)
+ LOG.debug("Command: %s\nOutput%s", " ".join(CMD_PROBE_FLOPPY), out)
# Used to match classes to dependencies
@@ -279,4 +285,5 @@ datasources = [
def get_datasource_list(depends):
return sources.list_from_depends(depends, datasources)
+
# vi: ts=4 expandtab
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 20:08:13 +0000