Add NEWS item for auto-shutdown feature

[PATCH] Add NEWS item for auto-shutdown feature

Posted by Daniel P. Berrangé via Devel 1 month, 1 week ago

From: Daniel P. Berrangé <berrange@redhat.com>

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 NEWS.rst | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index 98ca838642..45d48c1485 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -35,6 +35,23 @@ v11.2.0 (unreleased)
     or even map them to specific virtqueues similarly to the ``virtio-blk``
     device allowing for better performance in certain scenarios.
 
+  * qemu: integrate support for VM shutdown on host shutdown
+
+    It is now possible to instruct the QEMU driver to automatically perform
+    managed save, graceful shutdown, or hard poweroff on running VMs, when a
+    host shutdown is requested. This feature is intended to eventually replace
+    usage of the libvirt-guests script. The new approach improves on the
+    libvirt-guests script, by proactively monitor logind for a signal that a
+    host shutdown has been requested. It will initiate the chosen action on
+    running guests immediately, allowing shutdown inhibitors to be released
+    sooner. The new solution is also able to iteratively try multiple actions
+    until one of them succeeeds in shutting down the VM.
+
+    Since it must be mutually exclusive with the libvirt-guests script, this
+    feature currently requires an manual opt-in through editting of the
+    /etc/libvirt/qemu.conf configuration file. The libvirt-guests script must
+    be disabled before doing this.
+
 * **Improvements**
 
 * **Bug fixes**
-- 
2.48.1

Re: [PATCH] Add NEWS item for auto-shutdown feature

Posted by Laine Stump via Devel 1 month, 1 week ago

On 3/20/25 10:57 AM, Daniel P. Berrangé via Devel wrote:
> From: Daniel P. Berrangé <berrange@redhat.com>
> 
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>   NEWS.rst | 17 +++++++++++++++++
>   1 file changed, 17 insertions(+)
> 
> diff --git a/NEWS.rst b/NEWS.rst
> index 98ca838642..45d48c1485 100644
> --- a/NEWS.rst
> +++ b/NEWS.rst
> @@ -35,6 +35,23 @@ v11.2.0 (unreleased)
>       or even map them to specific virtqueues similarly to the ``virtio-blk``
>       device allowing for better performance in certain scenarios.
>   
> +  * qemu: integrate support for VM shutdown on host shutdown
> +
> +    It is now possible to instruct the QEMU driver to automatically perform
> +    managed save, graceful shutdown, or hard poweroff on running VMs, when a
> +    host shutdown is requested. This feature is intended to eventually replace
> +    usage of the libvirt-guests script. The new approach improves on the
> +    libvirt-guests script, by proactively monitor logind for a signal that a

s/monitor/monitoring/ :-)


> +    host shutdown has been requested. It will initiate the chosen action on
> +    running guests immediately, allowing shutdown inhibitors to be released
> +    sooner. The new solution is also able to iteratively try multiple actions
> +    until one of them succeeeds in shutting down the VM.
> +
> +    Since it must be mutually exclusive with the libvirt-guests script, this
> +    feature currently requires an manual opt-in through editting of the
> +    /etc/libvirt/qemu.conf configuration file. The libvirt-guests script must
> +    be disabled before doing this.
> +
>   * **Improvements**
>   
>   * **Bug fixes**

Re: [PATCH] Add NEWS item for auto-shutdown feature

Posted by Jiri Denemark via Devel 1 month, 1 week ago

On Thu, Mar 20, 2025 at 13:44:41 -0400, Laine Stump wrote:
> On 3/20/25 10:57 AM, Daniel P. Berrangé via Devel wrote:
> > From: Daniel P. Berrangé <berrange@redhat.com>
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > ---
> >   NEWS.rst | 17 +++++++++++++++++
> >   1 file changed, 17 insertions(+)
> > 
> > diff --git a/NEWS.rst b/NEWS.rst
> > index 98ca838642..45d48c1485 100644
> > --- a/NEWS.rst
> > +++ b/NEWS.rst
> > @@ -35,6 +35,23 @@ v11.2.0 (unreleased)
> >       or even map them to specific virtqueues similarly to the ``virtio-blk``
> >       device allowing for better performance in certain scenarios.
> >   
> > +  * qemu: integrate support for VM shutdown on host shutdown
> > +
> > +    It is now possible to instruct the QEMU driver to automatically perform
> > +    managed save, graceful shutdown, or hard poweroff on running VMs, when a
> > +    host shutdown is requested. This feature is intended to eventually replace
> > +    usage of the libvirt-guests script. The new approach improves on the
> > +    libvirt-guests script, by proactively monitor logind for a signal that a
> 
> s/monitor/monitoring/ :-)
> 
> 
> > +    host shutdown has been requested. It will initiate the chosen action on
> > +    running guests immediately, allowing shutdown inhibitors to be released
> > +    sooner. The new solution is also able to iteratively try multiple actions
> > +    until one of them succeeeds in shutting down the VM.
> > +
> > +    Since it must be mutually exclusive with the libvirt-guests script, this
> > +    feature currently requires an manual opt-in through editting of the

And s/ an / a / :-)

Jirka

Re: [PATCH] Add NEWS item for auto-shutdown feature

Posted by Martin Kletzander via Devel 1 month, 1 week ago

On Thu, Mar 20, 2025 at 06:59:20PM +0100, Jiri Denemark via Devel wrote:
>On Thu, Mar 20, 2025 at 13:44:41 -0400, Laine Stump wrote:
>> On 3/20/25 10:57 AM, Daniel P. Berrangé via Devel wrote:
>> > From: Daniel P. Berrangé <berrange@redhat.com>
>> >
>> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
>> > ---
>> >   NEWS.rst | 17 +++++++++++++++++
>> >   1 file changed, 17 insertions(+)
>> >
>> > diff --git a/NEWS.rst b/NEWS.rst
>> > index 98ca838642..45d48c1485 100644
>> > --- a/NEWS.rst
>> > +++ b/NEWS.rst
>> > @@ -35,6 +35,23 @@ v11.2.0 (unreleased)
>> >       or even map them to specific virtqueues similarly to the ``virtio-blk``
>> >       device allowing for better performance in certain scenarios.
>> >
>> > +  * qemu: integrate support for VM shutdown on host shutdown
>> > +
>> > +    It is now possible to instruct the QEMU driver to automatically perform
>> > +    managed save, graceful shutdown, or hard poweroff on running VMs, when a
>> > +    host shutdown is requested. This feature is intended to eventually replace
>> > +    usage of the libvirt-guests script. The new approach improves on the
>> > +    libvirt-guests script, by proactively monitor logind for a signal that a
>>
>> s/monitor/monitoring/ :-)
>>
>>
>> > +    host shutdown has been requested. It will initiate the chosen action on
>> > +    running guests immediately, allowing shutdown inhibitors to be released
>> > +    sooner. The new solution is also able to iteratively try multiple actions
>> > +    until one of them succeeeds in shutting down the VM.
>> > +
>> > +    Since it must be mutually exclusive with the libvirt-guests script, this
>> > +    feature currently requires an manual opt-in through editting of the
>
>And s/ an / a / :-)
>

And s/editting/editing/ O:-)

Re: [PATCH] Add NEWS item for auto-shutdown feature

Posted by Daniel P. Berrangé via Devel 1 month, 1 week ago

On Thu, Mar 20, 2025 at 01:44:41PM -0400, Laine Stump wrote:
> On 3/20/25 10:57 AM, Daniel P. Berrangé via Devel wrote:
> > From: Daniel P. Berrangé <berrange@redhat.com>
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > ---
> >   NEWS.rst | 17 +++++++++++++++++
> >   1 file changed, 17 insertions(+)
> > 
> > diff --git a/NEWS.rst b/NEWS.rst
> > index 98ca838642..45d48c1485 100644
> > --- a/NEWS.rst
> > +++ b/NEWS.rst
> > @@ -35,6 +35,23 @@ v11.2.0 (unreleased)
> >       or even map them to specific virtqueues similarly to the ``virtio-blk``
> >       device allowing for better performance in certain scenarios.
> > +  * qemu: integrate support for VM shutdown on host shutdown
> > +
> > +    It is now possible to instruct the QEMU driver to automatically perform
> > +    managed save, graceful shutdown, or hard poweroff on running VMs, when a
> > +    host shutdown is requested. This feature is intended to eventually replace
> > +    usage of the libvirt-guests script. The new approach improves on the
> > +    libvirt-guests script, by proactively monitor logind for a signal that a
> 
> s/monitor/monitoring/ :-)

Pushed as a fixup commit, since I pushed the orignal 1 minute before
seeing your comment :-)


With regards,
Daniel
-- 
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Re: [PATCH] Add NEWS item for auto-shutdown feature

Posted by Peter Krempa via Devel 1 month, 1 week ago

On Thu, Mar 20, 2025 at 14:57:48 +0000, Daniel P. Berrangé via Devel wrote:
> From: Daniel P. Berrangé <berrange@redhat.com>
> 
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>  NEWS.rst | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)

Reviewed-by: Peter Krempa <pkrempa@redhat.com>