Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
src/qemu/qemu_driver.c | 26 +++++++++----
src/qemu/qemu_migration.c | 98 +++++++++++++++++++++++++++++++++--------------
src/qemu/qemu_migration.h | 13 ++++---
3 files changed, 96 insertions(+), 41 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c71aecc..e12a1de 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10038,7 +10038,7 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
ret = qemuMigrationPrepareDirect(driver, dconn,
NULL, 0, NULL, NULL, /* No cookies */
uri_in, uri_out,
- &def, origname, flags);
+ &def, origname, NULL, flags);
cleanup:
VIR_FREE(origname);
@@ -10089,7 +10089,8 @@ qemuDomainMigratePerform(virDomainPtr dom,
* Consume any cookie we were able to decode though
*/
ret = qemuMigrationPerform(driver, dom->conn, vm,
- NULL, dconnuri, uri, NULL, cookie, cookielen,
+ NULL, dconnuri, uri, NULL, NULL,
+ cookie, cookielen,
NULL, NULL, /* No output cookies in v2 */
flags, dname, resource, false);
@@ -10243,7 +10244,7 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
cookiein, cookieinlen,
cookieout, cookieoutlen,
uri_in, uri_out,
- &def, origname, flags);
+ &def, origname, NULL, flags);
cleanup:
VIR_FREE(origname);
@@ -10267,6 +10268,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
const char *dom_xml = NULL;
const char *dname = NULL;
const char *uri_in = NULL;
+ const char *listenAddress = NULL;
char *origname = NULL;
int ret = -1;
@@ -10282,7 +10284,10 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
&dname) < 0 ||
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_URI,
- &uri_in) < 0)
+ &uri_in) < 0 ||
+ virTypedParamsGetString(params, nparams,
+ VIR_MIGRATE_PARAM_LISTEN_ADDRESS,
+ &listenAddress) < 0)
return -1;
if (flags & VIR_MIGRATE_TUNNELLED) {
@@ -10305,7 +10310,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
cookiein, cookieinlen,
cookieout, cookieoutlen,
uri_in, uri_out,
- &def, origname, flags);
+ &def, origname, listenAddress, flags);
cleanup:
VIR_FREE(origname);
@@ -10437,7 +10442,8 @@ qemuDomainMigratePerform3(virDomainPtr dom,
}
return qemuMigrationPerform(driver, dom->conn, vm, xmlin,
- dconnuri, uri, NULL, cookiein, cookieinlen,
+ dconnuri, uri, NULL, NULL,
+ cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, true);
}
@@ -10459,6 +10465,7 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
const char *dname = NULL;
const char *uri = NULL;
const char *graphicsuri = NULL;
+ const char *listenAddress = NULL;
unsigned long long bandwidth = 0;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@@ -10479,7 +10486,10 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
&bandwidth) < 0 ||
virTypedParamsGetString(params, nparams,
VIR_MIGRATE_PARAM_GRAPHICS_URI,
- &graphicsuri) < 0)
+ &graphicsuri) < 0 ||
+ virTypedParamsGetString(params, nparams,
+ VIR_MIGRATE_PARAM_LISTEN_ADDRESS,
+ &listenAddress) < 0)
return -1;
if (!(vm = qemuDomObjFromDomain(dom)))
@@ -10491,7 +10501,7 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
}
return qemuMigrationPerform(driver, dom->conn, vm, dom_xml,
- dconnuri, uri, graphicsuri,
+ dconnuri, uri, graphicsuri, listenAddress,
cookiein, cookieinlen, cookieout, cookieoutlen,
flags, dname, bandwidth, true);
}
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 3a1aab7..f1a9c38 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -2163,6 +2163,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
const char *origname,
virStreamPtr st,
unsigned int port,
+ const char *listenAddress,
unsigned long flags)
{
virDomainObjPtr vm = NULL;
@@ -2176,7 +2177,6 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
char *xmlout = NULL;
unsigned int cookieFlags;
virCapsPtr caps = NULL;
- const char *listenAddr = NULL;
char *migrateFrom = NULL;
bool abort_on_error = !!(flags & VIR_MIGRATE_ABORT_ON_ERROR);
@@ -2260,31 +2260,61 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
if (VIR_STRDUP(migrateFrom, "stdio") < 0)
goto cleanup;
} else {
+ virSocketAddr listenAddressSocket;
+ bool hostIPv6Capable = false;
+ bool qemuIPv6Capable = false;
virQEMUCapsPtr qemuCaps = NULL;
struct addrinfo *info = NULL;
struct addrinfo hints = { .ai_flags = AI_ADDRCONFIG,
- .ai_socktype = SOCK_STREAM };
+ .ai_socktype = SOCK_STREAM };
+ if (getaddrinfo("::", NULL, &hints, &info) == 0) {
+ freeaddrinfo(info);
+ hostIPv6Capable = true;
+ }
if (!(qemuCaps = virQEMUCapsCacheLookupCopy(driver->qemuCapsCache,
(*def)->emulator)))
goto cleanup;
- /* Listen on :: instead of 0.0.0.0 if QEMU understands it
- * and there is at least one IPv6 address configured
- */
- if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_IPV6_MIGRATION) &&
- getaddrinfo("::", NULL, &hints, &info) == 0) {
- freeaddrinfo(info);
- listenAddr = "[::]";
+ qemuIPv6Capable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_IPV6_MIGRATION);
+ virObjectUnref(qemuCaps);
+
+ if (listenAddress &&
+ virSocketAddrParse(&listenAddressSocket, listenAddress, AF_UNSPEC) > 0) {
+ /* address parsed successfully */
+
+ if (virSocketAddrIsWildcard(&listenAddressSocket)) {
+ /* user wants us to listen on 0.0.0.0 or :: */
+
+ if (VIR_SOCKET_ADDR_IS_FAMILY(&listenAddressSocket, AF_INET6)) {
+ if (!qemuIPv6Capable) {
+ virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
+ _("qemu isn't capable of IPv6"));
+ goto cleanup;
+ }
+ if (!hostIPv6Capable) {
+ virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
+ _("host isn't capable of IPv6"));
+ goto cleanup;
+ }
+ listenAddress = "[::]";
+ }
+ }
} else {
- listenAddr = "0.0.0.0";
+ /* Don't error out, the @listenAddress may be a hostname */
+ if (!listenAddress) {
+ /* Listen on :: instead of 0.0.0.0 if QEMU understands it
+ * and there is at least one IPv6 address configured
+ */
+ listenAddress = qemuIPv6Capable && hostIPv6Capable ?
+ "[::]" : "0.0.0.0";
+ }
}
- virObjectUnref(qemuCaps);
/* QEMU will be started with -incoming [::]:port
* or -incoming 0.0.0.0:port
*/
- if (virAsprintf(&migrateFrom, "tcp:%s:%d", listenAddr, port) < 0)
+ if (virAsprintf(&migrateFrom, "tcp:%s:%d", listenAddress, port) < 0)
goto cleanup;
}
@@ -2371,7 +2401,7 @@ done:
if (mig->nbd &&
flags & (VIR_MIGRATE_NON_SHARED_DISK | VIR_MIGRATE_NON_SHARED_INC) &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_NBD_SERVER)) {
- if (qemuMigrationStartNBDServer(driver, vm, listenAddr) < 0) {
+ if (qemuMigrationStartNBDServer(driver, vm, listenAddress) < 0) {
/* error already reported */
goto endjob;
}
@@ -2475,7 +2505,7 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
- st, 0, flags);
+ st, 0, NULL, flags);
return ret;
}
@@ -2491,6 +2521,7 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
char **uri_out,
virDomainDefPtr *def,
const char *origname,
+ const char *listenAddress,
unsigned long flags)
{
static int port = 0;
@@ -2596,7 +2627,7 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
- NULL, this_port, flags);
+ NULL, this_port, listenAddress, flags);
cleanup:
virURIFree(uri);
VIR_FREE(hostname);
@@ -3600,6 +3631,7 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
const char *dname,
const char *uri,
const char *graphicsuri,
+ const char *listenAddress,
unsigned long long bandwidth,
bool useParams,
unsigned long flags)
@@ -3621,11 +3653,11 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
int maxparams = 0;
VIR_DEBUG("driver=%p, sconn=%p, dconn=%p, dconnuri=%s, vm=%p, xmlin=%s, "
- "dname=%s, uri=%s, graphicsuri=%s, bandwidth=%llu, "
- "useParams=%d, flags=%lx",
+ "dname=%s, uri=%s, graphicsuri=%s, listenAddress=%s, "
+ "bandwidth=%llu, useParams=%d, flags=%lx",
driver, sconn, dconn, NULLSTR(dconnuri), vm, NULLSTR(xmlin),
- NULLSTR(dname), NULLSTR(uri), NULLSTR(graphicsuri), bandwidth,
- useParams, flags);
+ NULLSTR(dname), NULLSTR(uri), NULLSTR(graphicsuri),
+ NULLSTR(listenAddress), bandwidth, useParams, flags);
/* Unlike the virDomainMigrateVersion3 counterpart, we don't need
* to worry about auto-setting the VIR_MIGRATE_CHANGE_PROTECTION
@@ -3663,6 +3695,11 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
VIR_MIGRATE_PARAM_GRAPHICS_URI,
graphicsuri) < 0)
goto cleanup;
+ if (listenAddress &&
+ virTypedParamsAddString(¶ms, &nparams, &maxparams,
+ VIR_MIGRATE_PARAM_LISTEN_ADDRESS,
+ listenAddress) < 0)
+ goto cleanup;
}
if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED)
@@ -3867,6 +3904,7 @@ static int doPeer2PeerMigrate(virQEMUDriverPtr driver,
const char *dconnuri,
const char *uri,
const char *graphicsuri,
+ const char *listenAddress,
unsigned long flags,
const char *dname,
unsigned long resource,
@@ -3881,10 +3919,11 @@ static int doPeer2PeerMigrate(virQEMUDriverPtr driver,
bool useParams;
VIR_DEBUG("driver=%p, sconn=%p, vm=%p, xmlin=%s, dconnuri=%s, "
- "uri=%s, graphicsuri=%s, flags=%lx, dname=%s, resource=%lu",
+ "uri=%s, graphicsuri=%s, listenAddress=%s, flags=%lx, "
+ "dname=%s, resource=%lu",
driver, sconn, vm, NULLSTR(xmlin), NULLSTR(dconnuri),
- NULLSTR(uri), NULLSTR(graphicsuri), flags, NULLSTR(dname),
- resource);
+ NULLSTR(uri), NULLSTR(graphicsuri), NULLSTR(listenAddress),
+ flags, NULLSTR(dname), resource);
/* the order of operations is important here; we make sure the
* destination side is completely setup before we touch the source
@@ -3959,8 +3998,8 @@ static int doPeer2PeerMigrate(virQEMUDriverPtr driver,
if (*v3proto) {
ret = doPeer2PeerMigrate3(driver, sconn, dconn, dconnuri, vm, xmlin,
- dname, uri, graphicsuri, resource,
- useParams, flags);
+ dname, uri, graphicsuri, listenAddress,
+ resource, useParams, flags);
} else {
ret = doPeer2PeerMigrate2(driver, sconn, dconn, vm,
dconnuri, flags, dname, resource);
@@ -3994,6 +4033,7 @@ qemuMigrationPerformJob(virQEMUDriverPtr driver,
const char *uri,
const char *graphicsuri,
const char *cookiein,
+ const char *listenAddress,
int cookieinlen,
char **cookieout,
int *cookieoutlen,
@@ -4028,8 +4068,8 @@ qemuMigrationPerformJob(virQEMUDriverPtr driver,
if ((flags & (VIR_MIGRATE_TUNNELLED | VIR_MIGRATE_PEER2PEER))) {
ret = doPeer2PeerMigrate(driver, conn, vm, xmlin,
- dconnuri, uri, graphicsuri, flags, dname,
- resource, &v3proto);
+ dconnuri, uri, graphicsuri, listenAddress,
+ flags, dname, resource, &v3proto);
} else {
qemuMigrationJobSetPhase(driver, vm, QEMU_MIGRATION_PHASE_PERFORM2);
ret = doNativeMigrate(driver, vm, uri, cookiein, cookieinlen,
@@ -4194,6 +4234,7 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
const char *dconnuri,
const char *uri,
const char *graphicsuri,
+ const char *listenAddress,
const char *cookiein,
int cookieinlen,
char **cookieout,
@@ -4220,7 +4261,8 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
}
return qemuMigrationPerformJob(driver, conn, vm, xmlin, dconnuri, uri,
- graphicsuri, cookiein, cookieinlen,
+ graphicsuri, listenAddress,
+ cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, v3proto);
} else {
@@ -4238,7 +4280,7 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
flags, resource);
} else {
return qemuMigrationPerformJob(driver, conn, vm, xmlin, dconnuri,
- uri, graphicsuri,
+ uri, graphicsuri, listenAddress,
cookiein, cookieinlen,
cookieout, cookieoutlen, flags,
dname, resource, v3proto);
diff --git a/src/qemu/qemu_migration.h b/src/qemu/qemu_migration.h
index 4af5aed..cafa2a2 100644
--- a/src/qemu/qemu_migration.h
+++ b/src/qemu/qemu_migration.h
@@ -43,11 +43,12 @@
/* All supported migration parameters and their types. */
# define QEMU_MIGRATION_PARAMETERS \
- VIR_MIGRATE_PARAM_URI, VIR_TYPED_PARAM_STRING, \
- VIR_MIGRATE_PARAM_DEST_NAME, VIR_TYPED_PARAM_STRING, \
- VIR_MIGRATE_PARAM_DEST_XML, VIR_TYPED_PARAM_STRING, \
- VIR_MIGRATE_PARAM_BANDWIDTH, VIR_TYPED_PARAM_ULLONG, \
- VIR_MIGRATE_PARAM_GRAPHICS_URI, VIR_TYPED_PARAM_STRING, \
+ VIR_MIGRATE_PARAM_URI, VIR_TYPED_PARAM_STRING, \
+ VIR_MIGRATE_PARAM_DEST_NAME, VIR_TYPED_PARAM_STRING, \
+ VIR_MIGRATE_PARAM_DEST_XML, VIR_TYPED_PARAM_STRING, \
+ VIR_MIGRATE_PARAM_BANDWIDTH, VIR_TYPED_PARAM_ULLONG, \
+ VIR_MIGRATE_PARAM_GRAPHICS_URI, VIR_TYPED_PARAM_STRING, \
+ VIR_MIGRATE_PARAM_LISTEN_ADDRESS, VIR_TYPED_PARAM_STRING, \
NULL
@@ -124,6 +125,7 @@ int qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
char **uri_out,
virDomainDefPtr *def,
const char *origname,
+ const char *listenAddress,
unsigned long flags);
int qemuMigrationPerform(virQEMUDriverPtr driver,
@@ -133,6 +135,7 @@ int qemuMigrationPerform(virQEMUDriverPtr driver,
const char *dconnuri,
const char *uri,
const char *graphicsuri,
+ const char *listenAddress,
const char *cookiein,
int cookieinlen,
char **cookieout,
--
1.8.1.5
--
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