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qemu: Allow NBD migration over UNIX socket

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Adds new typed param for migration and uses this as a UNIX socket path that
should be used for the NBD part of migration.  And also adds virsh support.

Partially resolves: https://bugzilla.redhat.com/1638889

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Martin Kletzander 2020-08-24 15:42:31 +02:00
parent c5872b9a1b
commit 49186372db
6 changed files with 203 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
docs/manpages/virsh.rst
View File

@ -3113,6 +3113,7 @@ migrate
[--postcopy-bandwidth bandwidth]
[--parallel [--parallel-connections connections]]
[--bandwidth bandwidth] [--tls-destination hostname]
[--disks-uri URI]
Migrate domain to another host. Add *--live* for live migration; <--p2p>
for peer-2-peer migration; *--direct* for direct migration; or *--tunnelled*
@ -3292,6 +3293,16 @@ error if this parameter is used.
Optional *disks-port* sets the port that hypervisor on destination side should
bind to for incoming disks traffic. Currently it is supported only by QEMU.
Optional *disks-uri* can also be specified (mutually exclusive with
*disks-port*) to specify what the remote hypervisor should bind/connect to when
migrating disks. This can be *tcp://address:port* to specify a listen address
(which overrides *--listen-address* for the disk migration) and a port or
*unix:///path/to/socket* in case you need the disk migration to happen over a
UNIX socket with that specified path. In this case you need to make sure the
same socket path is accessible to both source and destination hypervisors and
connecting to the socket on the source (after hypervisor creates it on the
destination) will actually connect to the destination.
migrate-compcache
-----------------

13
include/libvirt/libvirt-domain.h
View File

@ -981,6 +981,19 @@ typedef enum {
*/
# define VIR_MIGRATE_PARAM_DISKS_PORT "disks_port"
/**
* VIR_MIGRATE_PARAM_DISKS_URI:
*
* virDomainMigrate* params field: URI used for incoming disks migration. Type
* is VIR_TYPED_PARAM_STRING. Only schemes "tcp" and "unix" are accepted. TCP
* URI can currently only provide a server and port to listen on (and connect
* to), UNIX URI may only provide a path component for a UNIX socket. This is
* currently only supported by the QEMU driver. UNIX URI is only usable if the
* management application makes sure that socket created with this name on the
* destination will be reachable from the source under the same exact path.
*/
# define VIR_MIGRATE_PARAM_DISKS_URI "disks_uri"
/**
* VIR_MIGRATE_PARAM_COMPRESSION:
*

33
src/qemu/qemu_driver.c
View File

@ -11233,7 +11233,7 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
ret = qemuMigrationDstPrepareDirect(driver, dconn,
NULL, 0, NULL, NULL, /* No cookies */
uri_in, uri_out,
&def, origname, NULL, 0, NULL, 0,
&def, origname, NULL, 0, NULL, 0, NULL,
migParams, flags);
cleanup:
@ -11289,6 +11289,7 @@ qemuDomainMigratePerform(virDomainPtr dom,
*/
ret = qemuMigrationSrcPerform(driver, dom->conn, vm, NULL,
NULL, dconnuri, uri, NULL, NULL, 0, NULL, 0,
NULL,
migParams, cookie, cookielen,
NULL, NULL, /* No output cookies in v2 */
flags, dname, resource, false);
@ -11459,7 +11460,7 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
cookieout, cookieoutlen,
uri_in, uri_out,
&def, origname, NULL, 0, NULL, 0,
migParams, flags);
NULL, migParams, flags);
}
static int
@ -11485,6 +11486,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
g_autofree const char **migrate_disks = NULL;
g_autofree char *origname = NULL;
g_autoptr(qemuMigrationParams) migParams = NULL;
const char *nbdURI = NULL;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
if (virTypedParamsValidate(params, nparams, QEMU_MIGRATION_PARAMETERS) < 0)
@ -11502,6 +11504,9 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_LISTEN_ADDRESS,
&listenAddress) < 0 ||
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_DISKS_URI,
&nbdURI) < 0 ||
virTypedParamsGetInt(params, nparams,
VIR_MIGRATE_PARAM_DISKS_PORT,
&nbdPort) < 0)
@ -11518,6 +11523,13 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
QEMU_MIGRATION_DESTINATION)))
return -1;
if (nbdURI && nbdPort) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("Both port and URI requested for disk migration "
"while being mutually exclusive"));
return -1;
}
if (flags & VIR_MIGRATE_TUNNELLED) {
/* this is a logical error; we never should have gotten here with
* VIR_MIGRATE_TUNNELLED set
@ -11540,7 +11552,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
uri_in, uri_out,
&def, origname, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
migParams, flags);
nbdURI, migParams, flags);
}
@ -11682,7 +11694,7 @@ qemuDomainMigratePerform3(virDomainPtr dom,
ret = qemuMigrationSrcPerform(driver, dom->conn, vm, xmlin, NULL,
dconnuri, uri, NULL, NULL, 0, NULL, 0,
migParams,
NULL, migParams,
cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, true);
@ -11716,6 +11728,7 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
unsigned long long bandwidth = 0;
int nbdPort = 0;
g_autoptr(qemuMigrationParams) migParams = NULL;
const char *nbdURI = NULL;
int ret = -1;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -11743,11 +11756,21 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
virTypedParamsGetInt(params, nparams,
VIR_MIGRATE_PARAM_DISKS_PORT,
&nbdPort) < 0 ||
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_DISKS_URI,
&nbdURI) < 0 ||
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_PERSIST_XML,
&persist_xml) < 0)
goto cleanup;
if (nbdURI && nbdPort) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("Both port and URI requested for disk migration "
"while being mutually exclusive"));
goto cleanup;
}
nmigrate_disks = virTypedParamsGetStringList(params, nparams,
VIR_MIGRATE_PARAM_MIGRATE_DISKS,
&migrate_disks);
@ -11768,7 +11791,7 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
ret = qemuMigrationSrcPerform(driver, dom->conn, vm, dom_xml, persist_xml,
dconnuri, uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
migParams,
nbdURI, migParams,
cookiein, cookieinlen, cookieout, cookieoutlen,
flags, dname, bandwidth, true);
cleanup:

170
src/qemu/qemu_migration.c
View File

@ -379,6 +379,7 @@ qemuMigrationDstStartNBDServer(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
const char *tls_alias)
{
int ret = -1;
@ -390,8 +391,44 @@ qemuMigrationDstStartNBDServer(virQEMUDriverPtr driver,
.port = nbdPort,
};
bool server_started = false;
g_autoptr(virURI) uri = NULL;
if (nbdPort < 0 || nbdPort > USHRT_MAX) {
/* Prefer nbdURI */
if (nbdURI) {
uri = virURIParse(nbdURI);
if (!uri)
return -1;
if (STREQ(uri->scheme, "tcp")) {
server.transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
if (!uri->server || STREQ(uri->server, "")) {
/* Since tcp://:<port>/ is parsed as server = NULL and port = 0
* we should rather error out instead of auto-allocating a port
* as that would be the exact opposite of what was requested. */
virReportError(VIR_ERR_INVALID_ARG,
_("URI with tcp scheme did not provide a server part: %s"),
nbdURI);
return -1;
}
server.name = (char *)uri->server;
if (uri->port)
server.port = uri->port;
} else if (STREQ(uri->scheme, "unix")) {
if (!uri->path) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("UNIX disks URI does not include path"));
return -1;
}
server.transport = VIR_STORAGE_NET_HOST_TRANS_UNIX;
server.socket = (char *)uri->path;
} else {
virReportError(VIR_ERR_INVALID_ARG,
_("Unsupported scheme in disks URI: %s"),
uri->scheme);
return -1;
}
} else if (nbdPort < 0 || nbdPort > USHRT_MAX) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("nbd port must be in range 0-65535"));
return -1;
@ -425,7 +462,8 @@ qemuMigrationDstStartNBDServer(virQEMUDriverPtr driver,
devicename = diskAlias;
}
if (!server_started) {
if (!server_started &&
server.transport == VIR_STORAGE_NET_HOST_TRANS_TCP) {
if (server.port) {
if (virPortAllocatorSetUsed(server.port) < 0)
goto cleanup;
@ -453,7 +491,8 @@ qemuMigrationDstStartNBDServer(virQEMUDriverPtr driver,
goto cleanup;
}
priv->nbdPort = server.port;
if (server.transport == VIR_STORAGE_NET_HOST_TRANS_TCP)
priv->nbdPort = server.port;
ret = 0;
@ -793,6 +832,7 @@ static virStorageSourcePtr
qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(virDomainDiskDefPtr disk,
const char *host,
int port,
const char *socket,
const char *tlsAlias)
{
g_autoptr(virStorageSource) copysrc = NULL;
@ -813,9 +853,14 @@ qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(virDomainDiskDefPtr disk,
copysrc->hosts = g_new0(virStorageNetHostDef, 1);
copysrc->nhosts = 1;
copysrc->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
copysrc->hosts->port = port;
copysrc->hosts->name = g_strdup(host);
if (socket) {
copysrc->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_UNIX;
copysrc->hosts->socket = g_strdup(socket);
} else {
copysrc->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
copysrc->hosts->port = port;
copysrc->hosts->name = g_strdup(host);
}
copysrc->tlsAlias = g_strdup(tlsAlias);
@ -835,6 +880,7 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriverPtr driver,
bool persistjob,
const char *host,
int port,
const char *socket,
unsigned long long mirror_speed,
unsigned int mirror_shallow,
const char *tlsAlias)
@ -846,7 +892,7 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriverPtr driver,
VIR_DEBUG("starting blockdev mirror for disk=%s to host=%s", disk->dst, host);
if (!(copysrc = qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(disk, host, port, tlsAlias)))
if (!(copysrc = qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(disk, host, port, socket, tlsAlias)))
return -1;
/* Migration via blockdev-mirror was supported sooner than the auto-read-only
@ -885,13 +931,17 @@ qemuMigrationSrcNBDStorageCopyDriveMirror(virQEMUDriverPtr driver,
const char *diskAlias,
const char *host,
int port,
const char *socket,
unsigned long long mirror_speed,
bool mirror_shallow)
{
g_autofree char *nbd_dest = NULL;
int mon_ret;
if (strchr(host, ':')) {
if (socket) {
nbd_dest = g_strdup_printf("nbd+unix:///%s?socket=%s",
diskAlias, socket);
} else if (strchr(host, ':')) {
nbd_dest = g_strdup_printf("nbd:[%s]:%d:exportname=%s", host, port,
diskAlias);
} else {
@ -920,6 +970,7 @@ qemuMigrationSrcNBDStorageCopyOne(virQEMUDriverPtr driver,
virDomainDiskDefPtr disk,
const char *host,
int port,
const char *socket,
unsigned long long mirror_speed,
bool mirror_shallow,
const char *tlsAlias,
@ -958,13 +1009,13 @@ qemuMigrationSrcNBDStorageCopyOne(virQEMUDriverPtr driver,
rc = qemuMigrationSrcNBDStorageCopyBlockdev(driver, vm,
disk, jobname,
sourcename, persistjob,
host, port,
host, port, socket,
mirror_speed,
mirror_shallow,
tlsAlias);
} else {
rc = qemuMigrationSrcNBDStorageCopyDriveMirror(driver, vm, diskAlias,
host, port,
host, port, socket,
mirror_speed,
mirror_shallow);
}
@ -1014,6 +1065,7 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriverPtr driver,
const char **migrate_disks,
virConnectPtr dconn,
const char *tlsAlias,
const char *nbdURI,
unsigned int flags)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
@ -1023,6 +1075,8 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriverPtr driver,
bool mirror_shallow = *migrate_flags & QEMU_MONITOR_MIGRATE_NON_SHARED_INC;
int rv;
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
g_autoptr(virURI) uri = NULL;
const char *socket = NULL;
VIR_DEBUG("Starting drive mirrors for domain %s", vm->def->name);
@ -1038,6 +1092,33 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriverPtr driver,
port = mig->nbd->port;
mig->nbd->port = 0;
if (nbdURI) {
uri = virURIParse(nbdURI);
if (!uri)
return -1;
if (STREQ(uri->scheme, "tcp")) {
if (uri->server && STRNEQ(uri->server, ""))
host = (char *)uri->server;
if (uri->port)
port = uri->port;
} else if (STREQ(uri->scheme, "unix")) {
if (!uri->path) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("UNIX disks URI does not include path"));
return -1;
}
socket = uri->path;
if (qemuSecurityDomainSetPathLabel(driver, vm, socket, false) < 0)
return -1;
} else {
virReportError(VIR_ERR_INVALID_ARG,
_("Unsupported scheme in disks URI: %s"),
uri->scheme);
}
}
for (i = 0; i < vm->def->ndisks; i++) {
virDomainDiskDefPtr disk = vm->def->disks[i];
@ -1046,6 +1127,7 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriverPtr driver,
continue;
if (qemuMigrationSrcNBDStorageCopyOne(driver, vm, disk, host, port,
socket,
mirror_speed, mirror_shallow,
tlsAlias, flags) < 0)
return -1;
@ -2397,6 +2479,7 @@ qemuMigrationDstPrepareAny(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
unsigned long flags)
{
@ -2650,7 +2733,8 @@ qemuMigrationDstPrepareAny(virQEMUDriverPtr driver,
if (qemuMigrationDstStartNBDServer(driver, vm, incoming->address,
nmigrate_disks, migrate_disks,
nbdPort, nbdTLSAlias) < 0) {
nbdPort, nbdURI,
nbdTLSAlias) < 0) {
goto stopjob;
}
cookieFlags |= QEMU_MIGRATION_COOKIE_NBD;
@ -2785,7 +2869,7 @@ qemuMigrationDstPrepareTunnel(virQEMUDriverPtr driver,
return qemuMigrationDstPrepareAny(driver, dconn, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
st, NULL, 0, false, NULL, 0, NULL, 0,
migParams, flags);
NULL, migParams, flags);
}
@ -2826,6 +2910,7 @@ qemuMigrationDstPrepareDirect(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
unsigned long flags)
{
@ -2840,11 +2925,13 @@ qemuMigrationDstPrepareDirect(virQEMUDriverPtr driver,
VIR_DEBUG("driver=%p, dconn=%p, cookiein=%s, cookieinlen=%d, "
"cookieout=%p, cookieoutlen=%p, uri_in=%s, uri_out=%p, "
"def=%p, origname=%s, listenAddress=%s, "
"nmigrate_disks=%zu, migrate_disks=%p, nbdPort=%d, flags=0x%lx",
"nmigrate_disks=%zu, migrate_disks=%p, nbdPort=%d, "
"nbdURI=%s, flags=0x%lx",
driver, dconn, NULLSTR(cookiein), cookieinlen,
cookieout, cookieoutlen, NULLSTR(uri_in), uri_out,
*def, origname, NULLSTR(listenAddress),
nmigrate_disks, migrate_disks, nbdPort, flags);
nmigrate_disks, migrate_disks, nbdPort, NULLSTR(nbdURI),
flags);
*uri_out = NULL;
@ -2947,7 +3034,7 @@ qemuMigrationDstPrepareDirect(virQEMUDriverPtr driver,
NULL, uri ? uri->scheme : "tcp",
port, autoPort, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
migParams, flags);
nbdURI, migParams, flags);
cleanup:
if (ret != 0) {
VIR_FREE(*uri_out);
@ -3482,7 +3569,8 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks,
qemuMigrationParamsPtr migParams)
qemuMigrationParamsPtr migParams,
const char *nbdURI)
{
int ret = -1;
unsigned int migrate_flags = QEMU_MONITOR_MIGRATE_BACKGROUND;
@ -3614,7 +3702,8 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver,
&migrate_flags,
nmigrate_disks,
migrate_disks,
dconn, tlsAlias, flags) < 0) {
dconn, tlsAlias,
nbdURI, flags) < 0) {
goto error;
}
} else {
@ -3854,7 +3943,8 @@ qemuMigrationSrcPerformNative(virQEMUDriverPtr driver,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks,
qemuMigrationParamsPtr migParams)
qemuMigrationParamsPtr migParams,
const char *nbdURI)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
g_autoptr(virURI) uribits = NULL;
@ -3908,7 +3998,7 @@ qemuMigrationSrcPerformNative(virQEMUDriverPtr driver,
ret = qemuMigrationSrcRun(driver, vm, persist_xml, cookiein, cookieinlen, cookieout,
cookieoutlen, flags, resource, &spec, dconn,
graphicsuri, nmigrate_disks, migrate_disks,
migParams);
migParams, nbdURI);
if (spec.destType == MIGRATION_DEST_FD)
VIR_FORCE_CLOSE(spec.dest.fd.qemu);
@ -3971,7 +4061,7 @@ qemuMigrationSrcPerformTunnel(virQEMUDriverPtr driver,
ret = qemuMigrationSrcRun(driver, vm, persist_xml, cookiein, cookieinlen,
cookieout, cookieoutlen, flags, resource, &spec,
dconn, graphicsuri, nmigrate_disks, migrate_disks,
migParams);
migParams, NULL);
cleanup:
VIR_FORCE_CLOSE(spec.dest.fd.qemu);
@ -4078,7 +4168,7 @@ qemuMigrationSrcPerformPeer2Peer2(virQEMUDriverPtr driver,
cookie, cookielen,
NULL, NULL, /* No out cookie with v2 migration */
flags, resource, dconn, NULL, 0, NULL,
migParams);
migParams, NULL);
/* Perform failed. Make sure Finish doesn't overwrite the error */
if (ret < 0)
@ -4142,6 +4232,7 @@ qemuMigrationSrcPerformPeer2Peer3(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
unsigned long long bandwidth,
bool useParams,
@ -4226,6 +4317,11 @@ qemuMigrationSrcPerformPeer2Peer3(virQEMUDriverPtr driver,
VIR_MIGRATE_PARAM_DISKS_PORT,
nbdPort) < 0)
goto cleanup;
if (nbdURI &&
virTypedParamsAddString(&params, &nparams, &maxparams,
VIR_MIGRATE_PARAM_DISKS_URI,
nbdURI) < 0)
goto cleanup;
if (qemuMigrationParamsDump(migParams, &params, &nparams,
&maxparams, &flags) < 0)
@ -4323,7 +4419,7 @@ qemuMigrationSrcPerformPeer2Peer3(virQEMUDriverPtr driver,
&cookieout, &cookieoutlen,
flags, bandwidth, dconn, graphicsuri,
nmigrate_disks, migrate_disks,
migParams);
migParams, nbdURI);
}
/* Perform failed. Make sure Finish doesn't overwrite the error */
@ -4498,6 +4594,7 @@ qemuMigrationSrcPerformPeer2Peer(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
unsigned long flags,
const char *dname,
@ -4515,12 +4612,12 @@ qemuMigrationSrcPerformPeer2Peer(virQEMUDriverPtr driver,
VIR_DEBUG("driver=%p, sconn=%p, vm=%p, xmlin=%s, dconnuri=%s, uri=%s, "
"graphicsuri=%s, listenAddress=%s, nmigrate_disks=%zu, "
"migrate_disks=%p, nbdPort=%d, flags=0x%lx, dname=%s, "
"resource=%lu",
"migrate_disks=%p, nbdPort=%d, nbdURI=%s, flags=0x%lx, "
"dname=%s, resource=%lu",
driver, sconn, vm, NULLSTR(xmlin), NULLSTR(dconnuri),
NULLSTR(uri), NULLSTR(graphicsuri), NULLSTR(listenAddress),
nmigrate_disks, migrate_disks, nbdPort, flags, NULLSTR(dname),
resource);
nmigrate_disks, migrate_disks, nbdPort, NULLSTR(nbdURI),
flags, NULLSTR(dname), resource);
if (flags & VIR_MIGRATE_TUNNELLED && uri) {
virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
@ -4618,7 +4715,7 @@ qemuMigrationSrcPerformPeer2Peer(virQEMUDriverPtr driver,
ret = qemuMigrationSrcPerformPeer2Peer3(driver, sconn, dconn, dconnuri, vm, xmlin,
persist_xml, dname, uri, graphicsuri,
listenAddress, nmigrate_disks, migrate_disks,
nbdPort, migParams, resource,
nbdPort, nbdURI, migParams, resource,
useParams, flags);
} else {
ret = qemuMigrationSrcPerformPeer2Peer2(driver, sconn, dconn, vm,
@ -4654,6 +4751,7 @@ qemuMigrationSrcPerformJob(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
const char *cookiein,
int cookieinlen,
@ -4692,6 +4790,7 @@ qemuMigrationSrcPerformJob(virQEMUDriverPtr driver,
ret = qemuMigrationSrcPerformPeer2Peer(driver, conn, vm, xmlin, persist_xml,
dconnuri, uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
nbdURI,
migParams, flags, dname, resource,
&v3proto);
} else {
@ -4699,7 +4798,7 @@ qemuMigrationSrcPerformJob(virQEMUDriverPtr driver,
ret = qemuMigrationSrcPerformNative(driver, vm, persist_xml, uri, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource, NULL, NULL, 0, NULL,
migParams);
migParams, nbdURI);
}
if (ret < 0)
goto endjob;
@ -4765,7 +4864,8 @@ qemuMigrationSrcPerformPhase(virQEMUDriverPtr driver,
char **cookieout,
int *cookieoutlen,
unsigned long flags,
unsigned long resource)
unsigned long resource,
const char *nbdURI)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainJobPrivatePtr jobPriv = priv->job.privateData;
@ -4787,7 +4887,7 @@ qemuMigrationSrcPerformPhase(virQEMUDriverPtr driver,
ret = qemuMigrationSrcPerformNative(driver, vm, persist_xml, uri, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource, NULL, graphicsuri,
nmigrate_disks, migrate_disks, migParams);
nmigrate_disks, migrate_disks, migParams, nbdURI);
if (ret < 0) {
qemuMigrationSrcRestoreDomainState(driver, vm);
@ -4828,6 +4928,7 @@ qemuMigrationSrcPerform(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
const char *cookiein,
int cookieinlen,
@ -4841,11 +4942,12 @@ qemuMigrationSrcPerform(virQEMUDriverPtr driver,
VIR_DEBUG("driver=%p, conn=%p, vm=%p, xmlin=%s, dconnuri=%s, "
"uri=%s, graphicsuri=%s, listenAddress=%s, "
"nmigrate_disks=%zu, migrate_disks=%p, nbdPort=%d, "
"nbdURI=%s, "
"cookiein=%s, cookieinlen=%d, cookieout=%p, cookieoutlen=%p, "
"flags=0x%lx, dname=%s, resource=%lu, v3proto=%d",
driver, conn, vm, NULLSTR(xmlin), NULLSTR(dconnuri),
NULLSTR(uri), NULLSTR(graphicsuri), NULLSTR(listenAddress),
nmigrate_disks, migrate_disks, nbdPort,
nmigrate_disks, migrate_disks, nbdPort, NULLSTR(nbdURI),
NULLSTR(cookiein), cookieinlen, cookieout, cookieoutlen,
flags, NULLSTR(dname), resource, v3proto);
@ -4859,7 +4961,7 @@ qemuMigrationSrcPerform(virQEMUDriverPtr driver,
return qemuMigrationSrcPerformJob(driver, conn, vm, xmlin, persist_xml, dconnuri, uri,
graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
migParams,
nbdURI, migParams,
cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, v3proto);
@ -4877,12 +4979,12 @@ qemuMigrationSrcPerform(virQEMUDriverPtr driver,
migParams,
cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource);
flags, resource, nbdURI);
} else {
return qemuMigrationSrcPerformJob(driver, conn, vm, xmlin, persist_xml, NULL,
uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
migParams,
nbdURI, migParams,
cookiein, cookieinlen,
cookieout, cookieoutlen, flags,
dname, resource, v3proto);

3
src/qemu/qemu_migration.h
View File

@ -84,6 +84,7 @@
VIR_MIGRATE_PARAM_BANDWIDTH_POSTCOPY, VIR_TYPED_PARAM_ULLONG, \
VIR_MIGRATE_PARAM_PARALLEL_CONNECTIONS, VIR_TYPED_PARAM_INT, \
VIR_MIGRATE_PARAM_TLS_DESTINATION, VIR_TYPED_PARAM_STRING, \
VIR_MIGRATE_PARAM_DISKS_URI, VIR_TYPED_PARAM_STRING, \
NULL
@ -149,6 +150,7 @@ qemuMigrationDstPrepareDirect(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
unsigned long flags);
@ -165,6 +167,7 @@ qemuMigrationSrcPerform(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
const char *nbdURI,
qemuMigrationParamsPtr migParams,
const char *cookiein,
int cookieinlen,

12
tools/virsh-domain.c
View File

@ -10643,6 +10643,10 @@ static const vshCmdOptDef opts_migrate[] = {
.type = VSH_OT_INT,
.help = N_("port to use by target server for incoming disks migration")
},
{.name = "disks-uri",
.type = VSH_OT_STRING,
.help = N_("URI to use for disks migration (overrides --disks-port)")
},
{.name = "comp-methods",
.type = VSH_OT_STRING,
.help = N_("comma separated list of compression methods to be used")
@ -10762,6 +10766,14 @@ doMigrate(void *opaque)
VIR_MIGRATE_PARAM_DISKS_PORT, intOpt) < 0)
goto save_error;
if (vshCommandOptStringReq(ctl, cmd, "disks-uri", &opt) < 0)
goto out;
if (opt &&
virTypedParamsAddString(&params, &nparams, &maxparams,
VIR_MIGRATE_PARAM_DISKS_URI,
opt) < 0)
goto save_error;
if (vshCommandOptStringReq(ctl, cmd, "dname", &opt) < 0)
goto out;
if (opt &&