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[jiangyuhao <jiang.yuhao@xxxxxxxxxx>]

Public bug reported:

Description
===========
Boot instance with metadata will remain some images in '/var/tmp/.guestfs-0/appliance.d' when this compute_node config CONF.libvirt.inject_partition=-1.

Steps to reproduce
==================
1) Config inject_partition=-1(/etc/nova/nova.conf) in compute_node.
2) boot instance with metadata on this compute_node.
3) boot instance success but some images were remained. 


Expected result
===============
In the end of booting instance, can remove those images in /var/tmp/.guestfs-0/appliance.d

Actual result
=============
Those images be left forever.

Environment
===========
1. Exact version of OpenStack you are running. See the following
  openstack-nova-api-18.0.2-1.el7.noarch

2. Which hypervisor did you use?
   Libvirt + KVM

2. Which storage type did you use?
   LVM

3. Which networking type did you use?
   Neutron with OpenVSwitch)

Logs & Configs
==============
{'message': u"No operating system found in <LocalFileImage:{'path': u'/var/lib/nova/instances/7e79433f-917d-43da-88f0-757c6d3572c5/disk', 'format': 'qcow2'}>", 'class': 'NovaException', 'kwargs': {'code': 500}}

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1845284

Title:
  Config CONF.libvirt.inject_partition=-1, build instance with metadata
  will remain some images in /var/tmp/.guestfs-0/appliance.d

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  Boot instance with metadata will remain some images in '/var/tmp/.guestfs-0/appliance.d' when this compute_node config CONF.libvirt.inject_partition=-1.

  Steps to reproduce
  ==================
  1) Config inject_partition=-1(/etc/nova/nova.conf) in compute_node.
  2) boot instance with metadata on this compute_node.
  3) boot instance success but some images were remained. 

  
  Expected result
  ===============
  In the end of booting instance, can remove those images in /var/tmp/.guestfs-0/appliance.d

  Actual result
  =============
  Those images be left forever.

  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    openstack-nova-api-18.0.2-1.el7.noarch

  2. Which hypervisor did you use?
     Libvirt + KVM

  2. Which storage type did you use?
     LVM

  3. Which networking type did you use?
     Neutron with OpenVSwitch)

  Logs & Configs
  ==============
  {'message': u"No operating system found in <LocalFileImage:{'path': u'/var/lib/nova/instances/7e79433f-917d-43da-88f0-757c6d3572c5/disk', 'format': 'qcow2'}>", 'class': 'NovaException', 'kwargs': {'code': 500}}

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