[pve-devel] [PATCH qemu-server v2 9/13] migrate: flush old VM conntrack entries after successful migration

[Christoph Heiss <c.heiss@proxmox.com>]

After a successful live-migration, the old VM-specific conntrack entries
are not needed anymore on the source node and can thus be flushed.

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Changes v1 -> v2:
  * no changes

 PVE/QemuMigrate.pm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
index 7665c398..55fc070c 100644
--- a/PVE/QemuMigrate.pm
+++ b/PVE/QemuMigrate.pm
@@ -11,6 +11,7 @@ use Time::HiRes qw( usleep );
 use PVE::AccessControl;
 use PVE::Cluster;
 use PVE::Format qw(render_bytes);
+use PVE::Firewall::Helpers;
 use PVE::GuestHelpers qw(safe_boolean_ne safe_string_ne);
 use PVE::INotify;
 use PVE::JSONSchema;
@@ -1657,6 +1658,10 @@ sub phase3_cleanup {
 	    if (my $err = $@) {
 		$self->log('warn', "failed to stop dbus-vmstate on $targetnode: $err\n");
 	    }
+
+	    # also flush now-old local conntrack entries for the migrated VM
+	    $self->log('info', 'flushing conntrack state for guest on source');
+	    PVE::Firewall::Helpers::flush_fw_ct_entries_by_mark($vmid);
 	}
     }
 
-- 
2.49.0



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