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[MehdiAmirirad <1982902@xxxxxxxxxxxxxxxxxx>]

** Also affects: ubuntu
   Importance: Undecided
       Status: New

** Changed in: cloud-init
     Assignee: (unassigned) => MehdiAmirirad (mahdi3742)

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https://bugs.launchpad.net/bugs/1982902

Title:
  umount  /run/cloud-init/tmp/tmpl5n7csdd failed

Status in cloud-init:
  Incomplete
Status in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I am using cloud-init version: /usr/bin/cloud-init 20.4.1-0ubuntu1~18.04.1, ubuntu version is root@ubuntu:~# lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 18.04.5 LTS
  Release:        18.04
  Codename:       bionic

  I found that umount configdrive fails with device busy reported, it
  further causes temp folder failed to be deleted.

  
  Logs are 

  ```
  2022-07-25 02:13:01,732 - handlers.py[DEBUG]: finish: init-local/search-ConfigDrive: FAIL: no local data found from DataSourceConfigDrive
  2022-07-25 02:13:01,733 - util.py[WARNING]: Getting data from <class 'cloudinit.sources.DataSourceConfigDrive.DataSourceConfigDrive'> failed
  2022-07-25 02:13:01,733 - util.py[DEBUG]: Getting data from <class 'cloudinit.sources.DataSourceConfigDrive.DataSourceConfigDrive'> failed
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/cloudinit/temp_utils.py", line 90, in tempdir
      yield tdir
    File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1687, in mount_cb
      return ret
    File "/usr/lib/python3.6/contextlib.py", line 88, in __exit__
      next(self.gen)
    File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1571, in unmounter
      subp.subp(umount_cmd)
    File "/usr/lib/python3/dist-packages/cloudinit/subp.py", line 295, in subp
      cmd=args)
  cloudinit.subp.ProcessExecutionError: Unexpected error while running command.
  Command: ['umount', '/run/cloud-init/tmp/tmpl5n7csdd']
  Exit code: 32
  Reason: -
  Stdout:
  Stderr: umount: /run/cloud-init/tmp/tmpl5n7csdd: target is busy.

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/cloudinit/sources/__init__.py", line 771, in find_source
      if s.update_metadata([EventType.BOOT_NEW_INSTANCE]):
    File "/usr/lib/python3/dist-packages/cloudinit/sources/__init__.py", line 660, in update_metadata
      result = self.get_data()
    File "/usr/lib/python3/dist-packages/cloudinit/sources/__init__.py", line 279, in get_data
      return_value = self._get_data()
    File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceConfigDrive.py", line 81, in _get_data
      mtype=mtype)
    File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1687, in mount_cb
      return ret
    File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
      self.gen.throw(type, value, traceback)
    File "/usr/lib/python3/dist-packages/cloudinit/temp_utils.py", line 92, in tempdir
      shutil.rmtree(tdir, ignore_errors=rmtree_ignore_errors)
    File "/usr/lib/python3.6/shutil.py", line 486, in rmtree
      _rmtree_safe_fd(fd, path, onerror)
    File "/usr/lib/python3.6/shutil.py", line 424, in _rmtree_safe_fd
      _rmtree_safe_fd(dirfd, fullname, onerror)
    File "/usr/lib/python3.6/shutil.py", line 424, in _rmtree_safe_fd
      _rmtree_safe_fd(dirfd, fullname, onerror)
    File "/usr/lib/python3.6/shutil.py", line 444, in _rmtree_safe_fd
      onerror(os.unlink, fullname, sys.exc_info())
    File "/usr/lib/python3.6/shutil.py", line 442, in _rmtree_safe_fd
      os.unlink(name, dir_fd=topfd)
  OSError: [Errno 30] Read-only file system: 'network_data.json'
  2022-07-25 02:13:01,783 - main.py[DEBUG]: No local datasource found

  ```

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