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[Bug 1752824] [NEW] VMware: error while get serial console log

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: yan97ao <magictao@xxxxxxxxx>
Date: Fri, 02 Mar 2018 09:31:11 -0000
Reply-to: Bug 1752824 <1752824@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Description
===========
We are survey using vmware as nova compute backend and got trouble about get vm's serial console log.


Steps to reproduce
==================
nova console-log <VM-UUID>

Expected result
===============
Get the serial console log of VM-UUID

Actual result
=============
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cfd43272-2a1a-4296-b56d-86c394c29e64)

Logs
===========
2018-03-02 16:55:12.395 15462 INFO nova.compute.manager [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] [instance: ff784d6d-178c-4237-9621-92cc52421dc1] Get console output
2018-03-02 16:55:12.396 15462 WARNING nova.virt.vmwareapi.driver [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] yangtao /opt/vmware/vspc/ff784d6d178c4237962192cc52421dc1
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] Exception during message handling: TypeError: coercing to Unicode: need string or buffer, file found
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 160, in _process_incoming
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 213, in dispatch
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183, in _do_dispatch
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 232, in inner
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return func(*args, **kwargs)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 76, in wrapped
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     function_name, call_dict, binary)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     self.force_reraise()
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 67, in wrapped
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return f(self, context, *args, **kw)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 217, in decorated_function
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     kwargs['instance'], e, sys.exc_info())
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     self.force_reraise()
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 205, in decorated_function
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 4653, in get_console_output
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     output = self.driver.get_console_output(context, instance)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/virt/vmwareapi/driver.py", line 278, in get_console_output
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     fp, MAX_CONSOLE_BYTES)
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/privsep/path.py", line 96, in last_bytes
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     with open(path, 'rb') as f:
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server TypeError: coercing to Unicode: need string or buffer, file found
2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server

** Affects: nova
     Importance: Undecided
     Assignee: yan97ao (yan97ao)
         Status: New


** Tags: console vmware

** Changed in: nova
     Assignee: (unassigned) => yan97ao (yan97ao)

** Tags added: vmware

** Tags added: console

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https://bugs.launchpad.net/bugs/1752824

Title:
   VMware: error while get serial console log

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  We are survey using vmware as nova compute backend and got trouble about get vm's serial console log.

  
  Steps to reproduce
  ==================
  nova console-log <VM-UUID>

  Expected result
  ===============
  Get the serial console log of VM-UUID

  Actual result
  =============
  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cfd43272-2a1a-4296-b56d-86c394c29e64)

  Logs
  ===========
  2018-03-02 16:55:12.395 15462 INFO nova.compute.manager [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] [instance: ff784d6d-178c-4237-9621-92cc52421dc1] Get console output
  2018-03-02 16:55:12.396 15462 WARNING nova.virt.vmwareapi.driver [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] yangtao /opt/vmware/vspc/ff784d6d178c4237962192cc52421dc1
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server [req-cfd43272-2a1a-4296-b56d-86c394c29e64 75ee831637464e53a5a5e63dd88671e9 750d99c807e94c039c694f10ca1bb244 - default default] Exception during message handling: TypeError: coercing to Unicode: need string or buffer, file found
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 160, in _process_incoming
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 213, in dispatch
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183, in _do_dispatch
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 232, in inner
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return func(*args, **kwargs)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 76, in wrapped
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     function_name, call_dict, binary)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 67, in wrapped
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return f(self, context, *args, **kw)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 217, in decorated_function
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     kwargs['instance'], e, sys.exc_info())
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     self.force_reraise()
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     six.reraise(self.type_, self.value, self.tb)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 205, in decorated_function
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     return function(self, context, *args, **kwargs)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 4653, in get_console_output
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     output = self.driver.get_console_output(context, instance)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/virt/vmwareapi/driver.py", line 278, in get_console_output
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     fp, MAX_CONSOLE_BYTES)
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/site-packages/nova/privsep/path.py", line 96, in last_bytes
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server     with open(path, 'rb') as f:
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server TypeError: coercing to Unicode: need string or buffer, file found
  2018-03-02 16:55:12.484 15462 ERROR oslo_messaging.rpc.server

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Follow ups

[Bug 1752824] Re: VMware: error while get serial console log
From: Matt Riedemann, 2018-08-13
[Bug 1752824] Re: VMware: error while get serial console log
From: OpenStack Infra, 2018-03-20