** Changed in: nova/juno
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1404801
Title:
Unshelve instance not working if instance is boot from volume
Status in OpenStack Compute (Nova):
Fix Committed
Status in OpenStack Compute (nova) juno series:
Fix Released
Bug description:
If instance is booted from volume, then shelving the instance sets the
status as SHELVED_OFFLOADED, instance files are getting deleted
properly from the base path. When you call the unshelve instance, it
fails on the conductor with error "Unshelve attempted but the image_id
is not provided", and instance goes in to error state.
Steps to reproduce:
-------------------
1. Log in to Horizon, create a new volume.
2. Create an Instance using newly created volume.
3. Verify instance is in active state.
$ source devstack/openrc demo demo
$ nova list
+--------------------------------------+------+--------+------------+-------------+------------------+
| ID | Name | Status | Task State | Power
State | Networks |
+--------------------------------------+------+--------+------------+-------------+------------------+
| dae3a13b-6aa8-4794-93cd-5ab7bf90f604 | nova | ACTIVE | - | Running
| private=10.0.0.3 |
+--------------------------------------+------+--------+------------+-------------+------------------+
4. Shelve the instance
$ nova shelve <instance-uuid>
5. Verify the status is SHELVED_OFFLOADED.
$ nova list
+--------------------------------------+------+-------------------+------------+-------------+------------------+
| ID | Name | Status | Task
State | Power State | Networks |
+--------------------------------------+------+-------------------+------------+-------------+------------------+
| dae3a13b-6aa8-4794-93cd-5ab7bf90f604 | nova | SHELVED_OFFLOADED | -
| Shutdown | private=10.0.0.3 |
+--------------------------------------+------+-------------------+------------+-------------+------------------+
6. Unshelve the instance.
$ nova unshelve <instance-uuid>
Following stack-trace logged in nova-conductor
2014-12-19 02:55:59.634 ERROR nova.conductor.manager
[req-a071fbc9-1c23-4e7a-8adf-7b3d0951aadf demo demo] [instance:
dae3a13b-6aa8-4794-93cd-5ab7bf90f604] Unshelve attempted but the image_id is
not provided
2014-12-19 02:55:59.647 ERROR oslo.messaging.rpc.dispatcher
[req-a071fbc9-1c23-4e7a-8adf-7b3d0951aadf demo demo] Exception during message
handling: Error during unshelve instance dae3a13b-6aa8-4794-93cd-5ab7bf90f604:
Unshelve attempted but the image_id is not provided
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher Traceback (most
recent call last):
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
137, in _dispatch_and_reply
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
180, in _dispatch
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher return
self._do_dispatch(endpoint, method, ctxt, args)
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
126, in _do_dispatch
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher result =
getattr(endpoint, method)(ctxt, **new_args)
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/conductor/manager.py", line 727, in unshelve_instance
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher
instance_id=instance.uuid, reason=reason)
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher
UnshelveException: Error during unshelve instance
dae3a13b-6aa8-4794-93cd-5ab7bf90f604: Unshelve attempted but the image_id is
not provided
2014-12-19 02:55:59.647 TRACE oslo.messaging.rpc.dispatcher
7. Instance goes into error state.
$ nova list
+--------------------------------------+------+--------+------------+-------------+------------------+
| ID | Name | Status | Task State | Power
State | Networks |
+--------------------------------------+------+--------+------------+-------------+------------------+
| dae3a13b-6aa8-4794-93cd-5ab7bf90f604 | nova | ERROR | unshelving |
Shutdown | private=10.0.0.3 |
+--------------------------------------+------+--------+------------+-------------+------------------+
Note:
1. This issue is reproducible with admin as well as demo tenant.
2. In all cases of shelved_offload_time values (-1, 0, > 0) this issue is
reproducible.
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