[libvirt] [PATCH v2] qemu: Set correct migrate host in client_migrate_info
Daniel P. Berrange
berrange at redhat.com
Wed Apr 10 17:06:13 UTC 2013
On Wed, Apr 10, 2013 at 07:04:12PM +0200, Michal Privoznik wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=920441
>
> Currently, we are discarding listen attribute from qemu cookie even though
> we strive to gather it. This result in not so cool bug: if user have
> different networks, one for management/migration, and one for VNC/SPICE we
> pass incorrect host to the qemu in client_migrate_info. What we actually
> pass is remote hostname, while we should be passing remote listen address.
> It doesn't matter as long as these two are the same, but they don't need
> necessary to be like that.
> ---
> src/conf/domain_conf.c | 4 +++-
> src/qemu/qemu_migration.c | 6 +++++-
> 2 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index e00a532..2afa982 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -16557,8 +16557,10 @@ virDomainGraphicsListenGetAddress(virDomainGraphicsDefPtr def, size_t ii)
> virDomainGraphicsListenDefPtr listenInfo
> = virDomainGraphicsGetListen(def, ii, false);
>
> + /* even a network can have a listen address */
> if (!listenInfo ||
> - (listenInfo->type != VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS))
> + !(listenInfo->type == VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS ||
> + listenInfo->type == VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK))
> return NULL;
> return listenInfo->address;
> }
> diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> index 41ad768..434b19a 100644
> --- a/src/qemu/qemu_migration.c
> +++ b/src/qemu/qemu_migration.c
> @@ -1720,6 +1720,7 @@ qemuDomainMigrateGraphicsRelocate(virQEMUDriverPtr driver,
> {
> qemuDomainObjPrivatePtr priv = vm->privateData;
> int ret;
> + char *listenAddress = cookie->graphics->listen;
>
> if (!cookie)
> return 0;
> @@ -1733,12 +1734,15 @@ qemuDomainMigrateGraphicsRelocate(virQEMUDriverPtr driver,
> if (cookie->graphics->type != VIR_DOMAIN_GRAPHICS_TYPE_SPICE)
> return 0;
>
> + if (STREQ(listenAddress, "0.0.0.0"))
> + listenAddress = cookie->remoteHostname;
Oh, also IPv6 '::'.
And listenAddress can be NULL too, so need to check for that.
Daniel
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