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tests: qemumigrationcookie: Add testing for block dirty bitmap migration

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Test the XML infrastructure for <blockDirtyBitmaps> migration cookie
element as well as the conversion to migration parameters for QMP schema
validation.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Peter Krempa 2021-02-10 20:37:28 +01:00
parent add6ee37ee
commit f7eb3e233d
5 changed files with 269 additions and 27 deletions
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2
tests/meson.build
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@ -452,7 +452,7 @@ if conf.has('WITH_QEMU')
{ 'name': 'qemuhotplugtest', 'link_with': [ test_qemu_driver_lib, test_utils_qemu_monitor_lib ], 'link_whole': [ test_utils_qemu_lib ] },
{ 'name': 'qemumemlocktest', 'link_with': [ test_qemu_driver_lib ], 'link_whole': [ test_utils_qemu_lib ] },
{ 'name': 'qemumigparamstest', 'link_with': [ test_qemu_driver_lib, test_utils_qemu_monitor_lib ], 'link_whole': [ test_utils_qemu_lib ] },
{ 'name': 'qemumigrationcookiexmltest', 'link_with': [ test_qemu_driver_lib ], 'link_whole': [ test_utils_qemu_lib, test_file_wrapper_lib ] },
{ 'name': 'qemumigrationcookiexmltest', 'link_with': [ test_qemu_driver_lib, test_utils_qemu_monitor_lib ], 'link_whole': [ test_utils_qemu_lib, test_file_wrapper_lib ] },
{ 'name': 'qemumonitorjsontest', 'link_with': [ test_qemu_driver_lib, test_utils_qemu_monitor_lib ], 'link_whole': [ test_utils_qemu_lib ] },
{ 'name': 'qemusecuritytest', 'sources': [ 'qemusecuritytest.c', 'qemusecuritymock.c' ], 'link_with': [ test_qemu_driver_lib ], 'link_whole': [ test_utils_qemu_lib ] },
{ 'name': 'qemustatusxml2xmltest', 'link_with': [ test_qemu_driver_lib ], 'link_whole': [ test_utils_qemu_lib, test_file_wrapper_lib ] },

52
tests/qemumigrationcookiexmldata/nbd-bitmaps-xml2xml-in.xml Normal file
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@ -0,0 +1,52 @@
<qemu-migration>
<name>migr</name>
<uuid>10b01607-0323-486b-afe2-3014a8a5b98b</uuid>
<hostname>sourcehost</hostname>
<hostuuid>1f5e0da0-fecf-413f-9bf1-1aa9c21e71e4</hostuuid>
<feature name='lockstate'/>
<nbd>
<disk target='hda' capacity='708837376'/>
<disk target='vda' capacity='10485760'/>
</nbd>
<cpu mode='custom' match='exact' check='full'>
<model fallback='forbid'>EPYC-Rome</model>
<vendor>AMD</vendor>
<feature policy='require' name='x2apic'/>
<feature policy='require' name='tsc-deadline'/>
<feature policy='require' name='hypervisor'/>
<feature policy='require' name='tsc_adjust'/>
<feature policy='require' name='stibp'/>
<feature policy='require' name='arch-capabilities'/>
<feature policy='require' name='ssbd'/>
<feature policy='require' name='xsaves'/>
<feature policy='require' name='cmp_legacy'/>
<feature policy='require' name='amd-ssbd'/>
<feature policy='require' name='virt-ssbd'/>
<feature policy='require' name='rdctl-no'/>
<feature policy='require' name='skip-l1dfl-vmentry'/>
<feature policy='require' name='mds-no'/>
<feature policy='require' name='pschange-mc-no'/>
<feature policy='disable' name='svm'/>
<feature policy='disable' name='npt'/>
<feature policy='disable' name='nrip-save'/>
</cpu>
<allowReboot value='yes'/>
<capabilities>
<cap name='xbzrle' auto='no'/>
<cap name='auto-converge' auto='no'/>
<cap name='rdma-pin-all' auto='no'/>
<cap name='postcopy-ram' auto='no'/>
<cap name='compress' auto='no'/>
<cap name='pause-before-switchover' auto='yes'/>
<cap name='late-block-activate' auto='no'/>
<cap name='multifd' auto='no'/>
<cap name='dirty-bitmaps' auto='no'/>
</capabilities>
<blockDirtyBitmaps>
<disk target='vda'>
<bitmap name='a' alias='libvirt-vda-a'/>
<bitmap name='b' alias='libvirt-vda-b'/>
<bitmap name='c' alias='libvirt-vda-c'/>
</disk>
</blockDirtyBitmaps>
</qemu-migration>

25
tests/qemumigrationcookiexmldata/nbd-bitmaps-xml2xml-migparams.json Normal file
View File

@ -0,0 +1,25 @@
{
"block-bitmap-mapping": [
{
"node-name": "libvirt-1-format",
"alias": "vda",
"bitmaps": [
{
"name": "a",
"alias": "libvirt-vda-a",
"transform": {
"persistent": true
}
},
{
"name": "b",
"alias": "libvirt-vda-b"
},
{
"name": "c",
"alias": "libvirt-vda-c"
}
]
}
]
}

51
tests/qemumigrationcookiexmldata/nbd-bitmaps-xml2xml-out.xml Normal file
View File

@ -0,0 +1,51 @@
<qemu-migration>
<name>migr</name>
<uuid>10b01607-0323-486b-afe2-3014a8a5b98b</uuid>
<hostname>hostname</hostname>
<hostuuid>4a802f00-4cba-5df6-9679-a08c4c5b577f</hostuuid>
<nbd>
<disk target='hda' capacity='708837376'/>
<disk target='vda' capacity='10485760'/>
</nbd>
<cpu mode='custom' match='exact' check='full'>
<model fallback='forbid'>EPYC-Rome</model>
<vendor>AMD</vendor>
<feature policy='require' name='x2apic'/>
<feature policy='require' name='tsc-deadline'/>
<feature policy='require' name='hypervisor'/>
<feature policy='require' name='tsc_adjust'/>
<feature policy='require' name='stibp'/>
<feature policy='require' name='arch-capabilities'/>
<feature policy='require' name='ssbd'/>
<feature policy='require' name='xsaves'/>
<feature policy='require' name='cmp_legacy'/>
<feature policy='require' name='amd-ssbd'/>
<feature policy='require' name='virt-ssbd'/>
<feature policy='require' name='rdctl-no'/>
<feature policy='require' name='skip-l1dfl-vmentry'/>
<feature policy='require' name='mds-no'/>
<feature policy='require' name='pschange-mc-no'/>
<feature policy='disable' name='svm'/>
<feature policy='disable' name='npt'/>
<feature policy='disable' name='nrip-save'/>
</cpu>
<allowReboot value='yes'/>
<capabilities>
<cap name='xbzrle' auto='no'/>
<cap name='auto-converge' auto='no'/>
<cap name='rdma-pin-all' auto='no'/>
<cap name='postcopy-ram' auto='no'/>
<cap name='compress' auto='no'/>
<cap name='pause-before-switchover' auto='yes'/>
<cap name='late-block-activate' auto='no'/>
<cap name='multifd' auto='no'/>
<cap name='dirty-bitmaps' auto='no'/>
</capabilities>
<blockDirtyBitmaps>
<disk target='vda'>
<bitmap name='a' alias='libvirt-vda-a'/>
<bitmap name='b' alias='libvirt-vda-b'/>
<bitmap name='c' alias='libvirt-vda-c'/>
</disk>
</blockDirtyBitmaps>
</qemu-migration>

166
tests/qemumigrationcookiexmltest.c
View File

@ -25,9 +25,13 @@
#include "internal.h"
#include "testutilsqemu.h"
#include "testutilsqemuschema.h"
#include "configmake.h"
#define LIBVIRT_QEMU_MIGRATION_PARAMSPRIV_H_ALLOW
#include "qemu/qemu_migration_cookie.h"
#include "qemu/qemu_migration_paramspriv.h"
#define VIR_FROM_THIS VIR_FROM_NONE
@ -61,13 +65,33 @@ struct testQemuMigrationCookieData {
qemuMigrationParty cookiePopulateParty;
qemuMigrationCookiePtr cookie;
char *xmlstr;
int xmlstrlen;
char *infile;
char *outfile;
char *outmigparamsfile;
};
static void
testQemuMigrationCookieDataFree(struct testQemuMigrationCookieData *data)
{
if (!data)
return;
qemuMigrationCookieFree(data->cookie);
g_free(data->xmlstr);
g_free(data->outfile);
g_free(data->infile);
g_free(data->outmigparamsfile);
g_free(data->inStatus);
virDomainObjEndAPI(&data->vm);
g_free(data);
}
static int
testQemuMigrationCookiePopulate(const void *opaque)
{
@ -115,26 +139,25 @@ testQemuMigrationCookieParse(const void *opaque)
struct testQemuMigrationCookieData *data = (struct testQemuMigrationCookieData *) opaque;
qemuDomainObjPrivatePtr priv = data->vm->privateData;
g_auto(virBuffer) actual = VIR_BUFFER_INITIALIZER;
g_autoptr(qemuMigrationCookie) cookie = NULL;
if (!(cookie = qemuMigrationCookieParse(&driver,
data->vm->def,
NULL,
priv,
data->xmlstr,
data->xmlstrlen,
data->cookieParseFlags))) {
if (!(data->cookie = qemuMigrationCookieParse(&driver,
data->vm->def,
NULL,
priv,
data->xmlstr,
data->xmlstrlen,
data->cookieParseFlags))) {
VIR_TEST_DEBUG("\nfailed to parse qemu migration cookie:\n%s\n", data->xmlstr);
return -1;
}
/* set all flags so that formatter attempts to format everything */
cookie->flags = ~0;
data->cookie->flags = ~0;
if (qemuMigrationCookieXMLFormat(&driver,
priv->qemuCaps,
&actual,
cookie) < 0) {
data->cookie) < 0) {
VIR_TEST_DEBUG("\nfailed to format back qemu migration cookie");
return -1;
}
@ -179,21 +202,6 @@ testQemuMigrationCookieXMLLoad(const void *opaque)
}
static void
testQemuMigrationCookieDataFree(struct testQemuMigrationCookieData *data)
{
if (!data)
return;
g_free(data->xmlstr);
g_free(data->outfile);
g_free(data->infile);
g_free(data->inStatus);
virDomainObjEndAPI(&data->vm);
g_free(data);
}
static int
testQemuMigrationCookieDom2XML(const char *namesuffix,
const char *domxml,
@ -207,9 +215,11 @@ testQemuMigrationCookieDom2XML(const char *namesuffix,
/* flags unsupported by default:
* - lockstate: internals are NULL in tests, causes crash
* - nbd: monitor not present
* - dirty bitmaps: monitor not present
*/
unsigned int cookiePopulateFlagMask = QEMU_MIGRATION_COOKIE_LOCKSTATE |
QEMU_MIGRATION_COOKIE_NBD;
QEMU_MIGRATION_COOKIE_NBD |
QEMU_MIGRATION_COOKIE_BLOCK_DIRTY_BITMAPS;
data->cookiePopulateFlags = ~cookiePopulateFlagMask;
}
@ -286,6 +296,107 @@ testQemuMigrationCookieXML2XML(const char *name,
}
static int
testQemuMigrationCookieBlockDirtyBitmaps(const void *opaque)
{
const struct testQemuMigrationCookieData *data = opaque;
g_autoptr(virJSONValue) migParamsBitmaps = NULL;
g_autofree char *actualJSON = NULL;
g_autoptr(virJSONValue) paramsOut = NULL;
g_auto(virBuffer) debug = VIR_BUFFER_INITIALIZER;
g_autoptr(qemuMigrationParams) migParams = NULL;
g_autoptr(GHashTable) qmpschema = NULL;
GSList *next;
if (!(qmpschema = testQEMUSchemaLoadLatest("x86_64"))) {
VIR_TEST_VERBOSE("failed to load QMP schema");
return -1;
}
if (qemuMigrationCookieBlockDirtyBitmapsMatchDisks(data->vm->def,
data->cookie->blockDirtyBitmaps) < 0)
return -1;
for (next = data->cookie->blockDirtyBitmaps; next; next = next->next) {
qemuMigrationBlockDirtyBitmapsDiskPtr disk = next->data;
qemuMigrationBlockDirtyBitmapsDiskBitmapPtr bitmap = disk->bitmaps->data;
bitmap->persistent = VIR_TRISTATE_BOOL_YES;
}
if (qemuMigrationCookieBlockDirtyBitmapsToParams(data->cookie->blockDirtyBitmaps,
&migParamsBitmaps))
return -1;
if (!(migParams = qemuMigrationParamsNew()))
return -1;
qemuMigrationParamsSetBlockDirtyBitmapMapping(migParams, &migParamsBitmaps);
if (!(paramsOut = qemuMigrationParamsToJSON(migParams)) ||
!(actualJSON = virJSONValueToString(paramsOut, true)))
return -1;
if (testQEMUSchemaValidateCommand("migrate-set-parameters",
paramsOut,
qmpschema,
false,
false,
&debug) < 0) {
VIR_TEST_VERBOSE("failed to validate migration params '%s' against QMP schema: %s",
actualJSON, virBufferCurrentContent(&debug));
return -1;
}
if (virTestCompareToFile(actualJSON, data->outmigparamsfile) < 0)
return -1;
return 0;
}
/* tests also the conversion to list of migrated bitmaps */
static int
testQemuMigrationCookieXML2XMLBitmaps(const char *name,
const char *statusxml,
unsigned int cookieParseFlags)
{
struct testQemuMigrationCookieData *data = g_new0(struct testQemuMigrationCookieData, 1);
int ret = 0;
if (cookieParseFlags == 0)
data->cookieParseFlags = ~0;
data->inStatus = g_strconcat(abs_srcdir, "/", statusxml, NULL);
data->infile = g_strconcat(abs_srcdir, "/qemumigrationcookiexmldata/",
name, "-xml2xml-in.xml", NULL);
data->outfile = g_strconcat(abs_srcdir, "/qemumigrationcookiexmldata/",
name, "-xml2xml-out.xml", NULL);
data->outmigparamsfile = g_strconcat(abs_srcdir, "/qemumigrationcookiexmldata/",
name, "-xml2xml-migparams.json", NULL);
if (virTestRun(tn("qemumigrationcookieXML2XML-dom-", name, NULL),
testQemuMigrationCookieDomInit, data) < 0)
ret = -1;
if (virTestRun(tn("qemumigrationcookieXML2XML-load-", name, NULL),
testQemuMigrationCookieXMLLoad, data) < 0)
ret = -1;
if (virTestRun(tn("qemumigrationcookieXML2XML-parse-", name, NULL),
testQemuMigrationCookieParse, data) < 0)
ret = -1;
if (virTestRun(tn("qemumigrationcookieXML2XML-migparams-", name, NULL),
testQemuMigrationCookieBlockDirtyBitmaps, data) < 0)
ret = -1;
testQemuMigrationCookieDataFree(data);
return ret;
}
static int
mymain(void)
{
@ -321,6 +432,9 @@ mymain(void)
testQemuMigrationCookieXML2XML("full", "qemustatusxml2xmldata/modern-in.xml", 0) < 0)
ret = -1;
if (testQemuMigrationCookieXML2XMLBitmaps("nbd-bitmaps", "qemustatusxml2xmldata/migration-out-nbd-bitmaps-in.xml", 0) < 0)
ret = -1;
virBufferFreeAndReset(&testnamebuf);
cleanup: