Re: [PATCH v3 1/2] qemu: Allow migration over UNIX socket

This allows: a) migration without access to network b) complete control of the migration stream c) easy migration between containerised libvirt daemons on the same host Resolves: https://bugzilla.redhat.com/1638889 Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- docs/manpages/virsh.rst | 13 ++- docs/migration.html.in | 33 ++++++++ src/qemu/qemu_driver.c | 22 ++++- src/qemu/qemu_migration.c | 138 +++++++++++++++++++++++-------- src/qemu/qemu_migration_params.c | 9 ++ src/qemu/qemu_migration_params.h | 3 + src/qemu/qemu_monitor.c | 15 ++++ src/qemu/qemu_monitor.h | 4 + 8 files changed, 198 insertions(+), 39 deletions(-)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index f3870b3c0b9d..f862942f87f9 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c

@@ -3684,6 +3715,14 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver, if (migrate_flags & (QEMU_MONITOR_MIGRATE_NON_SHARED_DISK | QEMU_MONITOR_MIGRATE_NON_SHARED_INC)) { if (mig->nbd) { + const char *host = ""; + + if (spec->destType == MIGRATION_DEST_HOST || + spec->destType == MIGRATION_DEST_CONNECT_HOST) { + host = spec->dest.host.name; + } + +

/* Currently libvirt does not support setting up of the NBD * non-shared storage migration with TLS. As we need to honour the * VIR_MIGRATE_TLS flag, we need to reject such migration until