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libvirt/tests/qemuxmlnstest.c

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#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <fcntl.h>
#ifdef WITH_QEMU
# include "internal.h"
# include "testutils.h"
# include "qemu/qemu_capabilities.h"
# include "qemu/qemu_command.h"
# include "qemu/qemu_domain.h"
# include "datatypes.h"
# include "cpu/cpu_map.h"
# include "testutilsqemu.h"
static const char *abs_top_srcdir;
static struct qemud_driver driver;
static int testCompareXMLToArgvFiles(const char *xml,
const char *cmdline,
virBitmapPtr extraFlags,
const char *migrateFrom,
int migrateFd,
bool json,
bool expectError)
{
char *expectargv = NULL;
int len;
char *actualargv = NULL;
int ret = -1;
virDomainDefPtr vmdef = NULL;
virDomainChrSourceDef monitor_chr;
virConnectPtr conn;
char *log = NULL;
char *emulator = NULL;
virCommandPtr cmd = NULL;
if (!(conn = virGetConnect()))
goto fail;
len = virtTestLoadFile(cmdline, &expectargv);
if (len < 0)
goto fail;
if (len && expectargv[len - 1] == '\n')
expectargv[len - 1] = '\0';
if (!(vmdef = virDomainDefParseFile(driver.caps, xml,
QEMU_EXPECTED_VIRT_TYPES,
VIR_DOMAIN_XML_INACTIVE)))
goto fail;
/*
* For test purposes, we may want to fake emulator's output by providing
* our own script instead of a real emulator. For this to work we need to
* specify a relative path in <emulator/> element, which, however, is not
* allowed by RelaxNG schema for domain XML. To work around it we add an
* extra '/' at the beginning of relative emulator path so that it looks
* like, e.g., "/./qemu.sh" or "/../emulator/qemu.sh" instead of
* "./qemu.sh" or "../emulator/qemu.sh" respectively. The following code
* detects such paths, strips the extra '/' and makes the path absolute.
*/
if (vmdef->emulator && STRPREFIX(vmdef->emulator, "/.")) {
if (!(emulator = strdup(vmdef->emulator + 1)))
goto fail;
free(vmdef->emulator);
vmdef->emulator = NULL;
if (virAsprintf(&vmdef->emulator, "%s/qemuxml2argvdata/%s",
abs_srcdir, emulator) < 0)
goto fail;
}
if (qemuCapsGet(extraFlags, QEMU_CAPS_DOMID))
vmdef->id = 6;
else
vmdef->id = -1;
memset(&monitor_chr, 0, sizeof(monitor_chr));
monitor_chr.type = VIR_DOMAIN_CHR_TYPE_UNIX;
monitor_chr.data.nix.path = (char *)"/tmp/test-monitor";
monitor_chr.data.nix.listen = true;
qemuCapsSetList(extraFlags,
QEMU_CAPS_VNC_COLON,
QEMU_CAPS_NO_REBOOT,
QEMU_CAPS_LAST);
if (qemudCanonicalizeMachine(&driver, vmdef) < 0)
goto fail;
if (qemuCapsGet(extraFlags, QEMU_CAPS_DEVICE)) {
qemuDomainPCIAddressSetPtr pciaddrs;
if (!(pciaddrs = qemuDomainPCIAddressSetCreate(vmdef)))
goto fail;
if (qemuAssignDevicePCISlots(vmdef, pciaddrs) < 0)
goto fail;
qemuDomainPCIAddressSetFree(pciaddrs);
}
free(virtTestLogContentAndReset());
virResetLastError();
/* We do not call qemuCapsExtractVersionInfo() before calling
* qemuBuildCommandLine(), so we should set QEMU_CAPS_PCI_MULTIBUS for
* x86_64 and i686 architectures here.
*/
if (STREQLEN(vmdef->os.arch, "x86_64", 6) ||
STREQLEN(vmdef->os.arch, "i686", 4)) {
qemuCapsSet(extraFlags, QEMU_CAPS_PCI_MULTIBUS);
}
if (qemuAssignDeviceAliases(vmdef, extraFlags) < 0)
goto fail;
if (!(cmd = qemuBuildCommandLine(conn, &driver,
vmdef, &monitor_chr, json, extraFlags,
migrateFrom, migrateFd, NULL,
VIR_NETDEV_VPORT_PROFILE_OP_NO_OP)))
goto fail;
if (!!virGetLastError() != expectError) {
if (virTestGetDebug() && (log = virtTestLogContentAndReset()))
fprintf(stderr, "\n%s", log);
goto fail;
}
if (expectError) {
/* need to suppress the errors */
virResetLastError();
}
if (!(actualargv = virCommandToString(cmd)))
goto fail;
if (emulator) {
/* Skip the abs_srcdir portion of replacement emulator. */
char *start_skip = strstr(actualargv, abs_srcdir);
char *end_skip = strstr(actualargv, emulator);
if (!start_skip || !end_skip)
goto fail;
memmove(start_skip, end_skip, strlen(end_skip) + 1);
}
if (STRNEQ(expectargv, actualargv)) {
virtTestDifference(stderr, expectargv, actualargv);
goto fail;
}
ret = 0;
fail:
free(log);
free(emulator);
free(expectargv);
free(actualargv);
virCommandFree(cmd);
virDomainDefFree(vmdef);
virUnrefConnect(conn);
return ret;
}
struct testInfo {
const char *name;
virBitmapPtr extraFlags;
const char *migrateFrom;
int migrateFd;
bool json;
bool expectError;
};
static int
testCompareXMLToArgvHelper(const void *data)
{
int result = -1;
const struct testInfo *info = data;
char *xml = NULL;
char *args = NULL;
if (virAsprintf(&xml, "%s/qemuxmlnsdata/qemuxmlns-%s.xml",
abs_srcdir, info->name) < 0 ||
virAsprintf(&args, "%s/qemuxmlnsdata/qemuxmlns-%s.args",
abs_srcdir, info->name) < 0)
goto cleanup;
result = testCompareXMLToArgvFiles(xml, args, info->extraFlags,
info->migrateFrom, info->migrateFd,
info->json, info->expectError);
cleanup:
free(xml);
free(args);
return result;
}
static int
mymain(void)
{
int ret = 0;
char *map = NULL;
bool json = false;
abs_top_srcdir = getenv("abs_top_srcdir");
if (!abs_top_srcdir)
abs_top_srcdir = "..";
if ((driver.caps = testQemuCapsInit()) == NULL)
return EXIT_FAILURE;
if ((driver.stateDir = strdup("/nowhere")) == NULL)
return EXIT_FAILURE;
if ((driver.hugetlbfs_mount = strdup("/dev/hugepages")) == NULL)
return EXIT_FAILURE;
if ((driver.hugepage_path = strdup("/dev/hugepages/libvirt/qemu")) == NULL)
return EXIT_FAILURE;
driver.spiceTLS = 1;
if (!(driver.spiceTLSx509certdir = strdup("/etc/pki/libvirt-spice")))
return EXIT_FAILURE;
if (!(driver.spicePassword = strdup("123456")))
return EXIT_FAILURE;
if (virAsprintf(&map, "%s/src/cpu/cpu_map.xml", abs_top_srcdir) < 0 ||
cpuMapOverride(map) < 0) {
free(map);
return EXIT_FAILURE;
}
# define DO_TEST_FULL(name, migrateFrom, migrateFd, expectError, ...) \
do { \
struct testInfo info = { \
name, NULL, migrateFrom, migrateFd, json, expectError \
}; \
if (!(info.extraFlags = qemuCapsNew())) \
return EXIT_FAILURE; \
qemuCapsSetList(info.extraFlags, __VA_ARGS__, QEMU_CAPS_LAST); \
if (virtTestRun("QEMU XML-2-ARGV " name, \
1, testCompareXMLToArgvHelper, &info) < 0) \
ret = -1; \
qemuCapsFree(info.extraFlags); \
} while (0)
# define DO_TEST(name, expectError, ...) \
DO_TEST_FULL(name, NULL, -1, expectError, __VA_ARGS__)
# define NONE QEMU_CAPS_LAST
/* 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 */
setenv("PATH", "/bin", 1);
setenv("USER", "test", 1);
setenv("LOGNAME", "test", 1);
setenv("HOME", "/home/test", 1);
unsetenv("TMPDIR");
unsetenv("LD_PRELOAD");
unsetenv("LD_LIBRARY_PATH");
unsetenv("QEMU_AUDIO_DRV");
unsetenv("SDL_AUDIODRIVER");
DO_TEST("qemu-ns-domain", false, NONE);
DO_TEST("qemu-ns-domain-ns0", false, NONE);
DO_TEST("qemu-ns-domain-commandline", false, NONE);
DO_TEST("qemu-ns-domain-commandline-ns0", false, NONE);
DO_TEST("qemu-ns-commandline", false, NONE);
DO_TEST("qemu-ns-commandline-ns0", false, NONE);
DO_TEST("qemu-ns-commandline-ns1", false, NONE);
free(driver.stateDir);
virCapabilitiesFree(driver.caps);
free(map);
return(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
VIRT_TEST_MAIN(mymain)
#else
int main(void)
{
return EXIT_AM_SKIP;
}
#endif /* WITH_QEMU */
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