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rbd: fix tracevol.py script to work with python 3.x

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tracevol.py script traces a RBD PVC to its RADOS map, key and image.
It needs minor fixup in order to work with python 3.x

Signed-off-by: Mudit Agarwal <muagarwa@redhat.com>
This commit is contained in:
Mudit Agarwal 2020-05-26 16:43:03 +05:30 committed by mergify[bot]
parent ebe378c79a
commit 78963737d3
1 changed files with 23 additions and 26 deletions
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49
troubleshooting/tools/tracevol.py
View File

@ -1,28 +1,22 @@
#!/usr/bin/python
"""
Copyright 2019 The Ceph-CSI Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
#pylint: disable=line-too-long
python tool to trace backend image name from pvc
Note: For the script to work properly python>=3.x is required
sample input:
python -c oc -k /home/.kube/config -n default -rn rook-ceph -id admin -key
adminkey
Sample output:
+----------+------------------------------------------+----------------------------------------------+-----------------+--------------+------------------+
| PVC Name | PV Name | Image
Name | PV name in omap | Image ID in omap | Image in cluster |
@ -171,20 +165,20 @@ def check_pv_name_in_rados(arg, image_id, pvc_name, pool_name):
stdout, stderr = out.communicate()
if stderr is not None:
return False
name = ''
lines = [x.strip() for x in stdout.split("\n")]
name = b''
lines = [x.strip() for x in stdout.split(b"\n")]
for line in lines:
if ' ' not in line:
if b' ' not in line:
continue
if 'value' in line and 'bytes' in line:
if b'value' in line and b'bytes' in line:
continue
part = re.findall(r'[A-Za-z0-9\-]+', line)
part = re.findall(br'[A-Za-z0-9\-]+', line)
if part:
name += part[-1]
if name != image_id:
if name.decode() != image_id:
if arg.debug:
print("expected image Id %s found Id in rados %s" %
(image_id, name))
(image_id, name.decode()))
return False
return True
@ -215,11 +209,11 @@ def check_image_in_cluster(arg, image_uuid, pool_name):
stdout, stderr = out.communicate()
if stderr is not None:
if arg.debug:
print("failed to toolbox %s", stderr)
print(b"failed to toolbox %s", stderr)
return False
if "No such file or directory" in stdout:
if b"No such file or directory" in stdout:
if arg.debug:
print("image not found in cluster", stdout)
print("image not found in cluster")
return False
return True
@ -250,23 +244,23 @@ def check_image_uuid_in_rados(arg, image_id, pvc_name, pool_name):
stdout, stderr = out.communicate()
if stderr is not None:
if arg.debug:
print("failed to toolbox %s", stderr)
print("failed to get toolbox %s", stderr)
return False
name = ''
lines = [x.strip() for x in stdout.split("\n")]
name = b''
lines = [x.strip() for x in stdout.split(b"\n")]
for line in lines:
if ' ' not in line:
if b' ' not in line:
continue
if 'value' in line and 'bytes' in line:
if b'value' in line and b'bytes' in line:
continue
part = re.findall(r'[A-Za-z0-9\-]+', line)
part = re.findall(br'[A-Za-z0-9\-]+', line)
if part:
name += part[-1]
if name != pvc_name:
if name.decode() != pvc_name:
if arg.debug:
print("expected image Id %s found Id in rados %s" %
(pvc_name, name))
(pvc_name, name.decode()))
return False
return True
@ -373,7 +367,7 @@ def get_pool_name(arg, vol_id):
pool_id = vol_id.split('-')
if len(pool_id) < 4:
if arg.debug:
print("pood id notin proper format", pool_id)
print("pood id not in proper format", pool_id)
return ""
if pool_id[3] in arg.rooknamespace:
pool_id = pool_id[4]
@ -390,4 +384,7 @@ if __name__ == "__main__":
if ARGS.command not in ["kubectl", "oc"]:
print("%s command not supported" % ARGS.command)
sys.exit(1)
if sys.version_info[0] < 3:
print("python version less than 3 is not supported.")
sys.exit(1)
list_pvc_vol_name_mapping(ARGS)