libvirt/tests/qemudomainsnapshotxml2xmltest.c
Peter Krempa 06380cb587 conf: snapshot: Add support for <metadata_cache>
Similarly to the domain config code it may be beneficial to control the
cache size of images introduced as snapshots into the backing chain.
Wire up handling of the 'metadata_cache' element.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-01-08 15:27:00 +01:00

203 lines
6.0 KiB
C

#include <config.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include "testutils.h"
#ifdef WITH_QEMU
# include "internal.h"
# include "qemu/qemu_conf.h"
# include "qemu/qemu_domain.h"
# include "testutilsqemu.h"
# include "virstring.h"
# define VIR_FROM_THIS VIR_FROM_NONE
static virQEMUDriver driver;
enum {
TEST_INTERNAL = 1 << 0, /* Test use of INTERNAL parse/format flag */
TEST_REDEFINE = 1 << 1, /* Test use of REDEFINE parse flag */
TEST_RUNNING = 1 << 2, /* Set snapshot state to running after parse */
};
static int
testCompareXMLToXMLFiles(const char *inxml,
const char *outxml,
const char *uuid,
unsigned int flags)
{
g_autofree char *inXmlData = NULL;
g_autofree char *outXmlData = NULL;
g_autofree char *actual = NULL;
unsigned int parseflags = VIR_DOMAIN_SNAPSHOT_PARSE_DISKS;
unsigned int formatflags = VIR_DOMAIN_SNAPSHOT_FORMAT_SECURE;
bool cur = false;
g_autoptr(virDomainSnapshotDef) def = NULL;
if (flags & TEST_INTERNAL) {
parseflags |= VIR_DOMAIN_SNAPSHOT_PARSE_INTERNAL;
formatflags |= VIR_DOMAIN_SNAPSHOT_FORMAT_INTERNAL;
}
if (flags & TEST_REDEFINE)
parseflags |= VIR_DOMAIN_SNAPSHOT_PARSE_REDEFINE;
if (virTestLoadFile(inxml, &inXmlData) < 0)
return -1;
if (virTestLoadFile(outxml, &outXmlData) < 0)
return -1;
if (!(def = virDomainSnapshotDefParseString(inXmlData,
driver.xmlopt, NULL, &cur,
parseflags)))
return -1;
if (cur) {
if (!(flags & TEST_INTERNAL))
return -1;
formatflags |= VIR_DOMAIN_SNAPSHOT_FORMAT_CURRENT;
}
if (flags & TEST_RUNNING) {
if (def->state)
return -1;
def->state = VIR_DOMAIN_RUNNING;
}
if (!(actual = virDomainSnapshotDefFormat(uuid, def,
driver.xmlopt,
formatflags)))
return -1;
if (STRNEQ(outXmlData, actual)) {
virTestDifferenceFull(stderr, outXmlData, outxml, actual, inxml);
return -1;
}
return 0;
}
struct testInfo {
const char *inxml;
const char *outxml;
const char *uuid;
long long creationTime;
unsigned int flags;
};
static long long mocktime;
static int
testSnapshotPostParse(virDomainMomentDefPtr def)
{
if (!mocktime)
return 0;
if (def->creationTime)
return -1;
def->creationTime = mocktime;
if (!def->name)
def->name = g_strdup_printf("%lld", def->creationTime);
return 0;
}
static int
testCompareXMLToXMLHelper(const void *data)
{
const struct testInfo *info = data;
mocktime = info->creationTime;
return testCompareXMLToXMLFiles(info->inxml, info->outxml, info->uuid,
info->flags);
}
static int
mymain(void)
{
int ret = 0;
if (qemuTestDriverInit(&driver) < 0)
return EXIT_FAILURE;
virDomainXMLOptionSetMomentPostParse(driver.xmlopt,
testSnapshotPostParse);
# define DO_TEST(prefix, name, inpath, outpath, uuid, time, flags) \
do { \
const struct testInfo info = {abs_srcdir "/" inpath "/" name ".xml", \
abs_srcdir "/" outpath "/" name ".xml", \
uuid, time, flags}; \
if (virTestRun("SNAPSHOT XML-2-XML " prefix " " name, \
testCompareXMLToXMLHelper, &info) < 0) \
ret = -1; \
} while (0)
# define DO_TEST_IN(name, uuid) DO_TEST("in->in", name, \
"qemudomainsnapshotxml2xmlin", \
"qemudomainsnapshotxml2xmlin", \
uuid, 0, 0)
# define DO_TEST_OUT(name, uuid, internal) \
DO_TEST("out->out", name, "qemudomainsnapshotxml2xmlout", \
"qemudomainsnapshotxml2xmlout", uuid, 0, internal | TEST_REDEFINE)
# define DO_TEST_INOUT(name, uuid, time, flags) \
DO_TEST("in->out", name, \
"qemudomainsnapshotxml2xmlin",\
"qemudomainsnapshotxml2xmlout",\
uuid, time, flags)
/* Unset or set all envvars here that are copied in qemudBuildCommandLine
* using ADD_ENV_COPY, otherwise these tests may fail due to unexpected
* values for these envvars */
g_setenv("PATH", "/bin", TRUE);
DO_TEST_OUT("all_parameters", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8",
TEST_INTERNAL);
DO_TEST_OUT("disk_snapshot_redefine", "c7a5fdbd-edaf-9455-926a-d65c16db1809",
TEST_INTERNAL);
DO_TEST_OUT("full_domain", "c7a5fdbd-edaf-9455-926a-d65c16db1809",
TEST_INTERNAL);
DO_TEST_OUT("noparent_nodescription_noactive", NULL, 0);
DO_TEST_OUT("noparent_nodescription", NULL, TEST_INTERNAL);
DO_TEST_OUT("noparent", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8", 0);
DO_TEST_OUT("metadata", "c7a5fdbd-edaf-9455-926a-d65c16db1809", 0);
DO_TEST_OUT("external_vm_redefine", "c7a5fdbd-edaf-9455-926a-d65c16db1809",
0);
DO_TEST_INOUT("empty", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8",
1386166249, 0);
DO_TEST_INOUT("noparent", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8",
1272917631, TEST_RUNNING);
DO_TEST_INOUT("external_vm", NULL, 1555419243, 0);
DO_TEST_INOUT("disk_snapshot", NULL, 1555419243, 0);
DO_TEST_INOUT("disk_driver_name_null", NULL, 1555419243, 0);
DO_TEST_INOUT("disk-seclabel", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8", 581484660, 0);
DO_TEST_IN("name_and_description", NULL);
DO_TEST_IN("description_only", NULL);
DO_TEST_IN("name_only", NULL);
DO_TEST_INOUT("qcow2-metadata-cache", "9d37b878-a7cc-9f9a-b78f-49b3abad25a8",
1386166249, 0);
qemuTestDriverFree(&driver);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)
#else
int
main(void)
{
return EXIT_AM_SKIP;
}
#endif /* WITH_QEMU */