Re: [PATCH 3/3] iotests: Test external snapshot with VM state

[Max Reitz]

On 17.12.19 15:59, Kevin Wolf wrote:
> This tests creating an external snapshot with VM state (which results in
> an active overlay over an inactive backing file, which is also the root
> node of an inactive BlockBackend), re-activating the images and
> performing some operations to test that the re-activation worked as
> intended.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  tests/qemu-iotests/280     | 83 ++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/280.out | 50 +++++++++++++++++++++++
>  tests/qemu-iotests/group   |  1 +
>  3 files changed, 134 insertions(+)
>  create mode 100755 tests/qemu-iotests/280
>  create mode 100644 tests/qemu-iotests/280.out

[...]

> diff --git a/tests/qemu-iotests/280.out b/tests/qemu-iotests/280.out
> new file mode 100644
> index 0000000000..5d382faaa8
> --- /dev/null
> +++ b/tests/qemu-iotests/280.out
> @@ -0,0 +1,50 @@
> +Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=67108864 cluster_size=65536 
> lazy_refcounts=off refcount_bits=16
> +
> +=== Launch VM ===
> +Enabling migration QMP events on VM...
> +{"return": {}}
> +
> +=== Migrate to file ===
> +{"execute": "migrate", "arguments": {"uri": "exec:cat > /dev/null"}}
> +{"return": {}}
> +{"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": 
> {"microseconds": "USECS", "seconds": "SECS"}}
> +{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": 
> {"microseconds": "USECS", "seconds": "SECS"}}
> +{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": 
> {"microseconds": "USECS", "seconds": "SECS"}}
> +
> +VM is now stopped:
> +completed
> +{"execute": "query-status", "arguments": {}}
> +{"return": {"running": false, "singlestep": false, "status": "postmigrate"}}

Hmmm, I get a finish-migrate status here (on tmpfs)...

Max

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