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Re: [libvirt] [PATCH 4/4] rpm: don't enable socket activation in upgrade if --listen present



On Fri, Aug 23, 2019 at 04:11:43PM +0100, Daniel P. Berrangé wrote:
Currently during RPM upgrade we restart libvirtd and unconditionally
enable use of systemd socket activation for the UNIX sockets.

If the user had previously given the --listen arg to libvirtd though,
this will no longer be honoured if socket activation is used.

We could start libvirtd-tcp.socket or libvirtd-tls.socket for this,
but mgmt tools like puppet/ansible might not be expecting this.

In that case, wouldn't it be better to fail as early as possible? That is,
leave --listen in the config file and let libvirtd startup fail with
the error from the previous commit so that people know to fix their
scripts?

Otherwise this might bite them much later in the future when they need
to e.g. reinstall the VM instead of just upgrading.

So for now we silently disable socket activation if we see --listen
was previously set on the host.

Signed-off-by: Daniel P. Berrangé <berrange redhat com>
---
libvirt.spec.in | 44 +++++++++++++++++++++++++++++++-------------
1 file changed, 31 insertions(+), 13 deletions(-)


But doing this also should make sense to some people.
Reviewed-by: Ján Tomko <jtomko redhat com>

Jano

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