libvirt/tests/qemublocktest.c
Peter Krempa 55111f3508 tests: qemublock: Test handling of block devices
Make sure that 'host_device' is generated for type='block'.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
2018-05-07 16:12:01 +02:00

494 lines
16 KiB
C

/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include "testutils.h"
#include "testutilsqemu.h"
#include "testutilsqemuschema.h"
#include "virstoragefile.h"
#include "virstring.h"
#include "virlog.h"
#include "qemu/qemu_block.h"
#include "qemu/qemu_qapi.h"
#include "qemu/qemu_command.h"
#define VIR_FROM_THIS VIR_FROM_NONE
VIR_LOG_INIT("tests.storagetest");
struct testBackingXMLjsonXMLdata {
int type;
const char *xml;
};
static int
testBackingXMLjsonXML(const void *args)
{
const struct testBackingXMLjsonXMLdata *data = args;
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virStorageSourcePtr xmlsrc = NULL;
virStorageSourcePtr jsonsrc = NULL;
virJSONValuePtr backendprops = NULL;
virJSONValuePtr wrapper = NULL;
char *propsstr = NULL;
char *protocolwrapper = NULL;
char *actualxml = NULL;
int ret = -1;
if (VIR_ALLOC(xmlsrc) < 0)
return -1;
xmlsrc->type = data->type;
if (!(xml = virXMLParseStringCtxt(data->xml, "(test storage source XML)", &ctxt)))
goto cleanup;
if (virDomainDiskSourceParse(ctxt->node, ctxt, xmlsrc, 0, NULL) < 0) {
fprintf(stderr, "failed to parse disk source xml\n");
goto cleanup;
}
if (!(backendprops = qemuBlockStorageSourceGetBackendProps(xmlsrc, true))) {
fprintf(stderr, "failed to format disk source json\n");
goto cleanup;
}
if (virJSONValueObjectCreate(&wrapper, "a:file", &backendprops, NULL) < 0)
goto cleanup;
if (!(propsstr = virJSONValueToString(wrapper, false)))
goto cleanup;
if (virAsprintf(&protocolwrapper, "json:%s", propsstr) < 0)
goto cleanup;
if (!(jsonsrc = virStorageSourceNewFromBackingAbsolute(protocolwrapper))) {
fprintf(stderr, "failed to parse disk json\n");
goto cleanup;
}
if (virDomainDiskSourceFormat(&buf, jsonsrc, 0, 0, NULL) < 0 ||
!(actualxml = virBufferContentAndReset(&buf))) {
fprintf(stderr, "failed to format disk source xml\n");
goto cleanup;
}
if (STRNEQ(actualxml, data->xml)) {
fprintf(stderr, "\n expected storage source xml:\n'%s'\n"
"actual storage source xml:\n%s\n"
"intermediate json:\n%s\n",
data->xml, actualxml, protocolwrapper);
goto cleanup;
}
ret = 0;
cleanup:
virStorageSourceFree(xmlsrc);
virStorageSourceFree(jsonsrc);
VIR_FREE(propsstr);
VIR_FREE(protocolwrapper);
VIR_FREE(actualxml);
virJSONValueFree(backendprops);
virJSONValueFree(wrapper);
virBufferFreeAndReset(&buf);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
return ret;
}
struct testQemuDiskXMLToJSONData {
virQEMUDriverPtr driver;
virHashTablePtr schema;
virJSONValuePtr schemaroot;
const char *name;
bool fail;
virJSONValuePtr *props;
size_t nprops;
virQEMUCapsPtr qemuCaps;
};
static void
testQemuDiskXMLToPropsClear(struct testQemuDiskXMLToJSONData *data)
{
size_t i;
for (i = 0; i < data->nprops; i++)
virJSONValueFree(data->props[i]);
data->nprops = 0;
VIR_FREE(data->props);
}
static int
testQemuDiskXMLToJSONFakeSecrets(virStorageSourcePtr src)
{
qemuDomainStorageSourcePrivatePtr srcpriv;
if (!src->privateData &&
!(src->privateData = qemuDomainStorageSourcePrivateNew()))
return -1;
srcpriv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
if (src->auth) {
if (VIR_ALLOC(srcpriv->secinfo) < 0)
return -1;
srcpriv->secinfo->type = VIR_DOMAIN_SECRET_INFO_TYPE_AES;
if (VIR_STRDUP(srcpriv->secinfo->s.aes.username, src->auth->username) < 0)
return -1;
if (virAsprintf(&srcpriv->secinfo->s.aes.alias, "%s-secalias",
NULLSTR(src->nodestorage)) < 0)
return -1;
}
if (src->encryption) {
if (VIR_ALLOC(srcpriv->encinfo) < 0)
return -1;
srcpriv->encinfo->type = VIR_DOMAIN_SECRET_INFO_TYPE_AES;
if (virAsprintf(&srcpriv->encinfo->s.aes.alias, "%s-encalias",
NULLSTR(src->nodeformat)) < 0)
return -1;
}
return 0;
}
static const char *testQemuDiskXMLToJSONPath = abs_srcdir "/qemublocktestdata/xml2json/";
static int
testQemuDiskXMLToProps(const void *opaque)
{
struct testQemuDiskXMLToJSONData *data = (void *) opaque;
virDomainDiskDefPtr disk = NULL;
virStorageSourcePtr n;
virJSONValuePtr props = NULL;
char *xmlpath = NULL;
char *xmlstr = NULL;
int ret = -1;
if (virAsprintf(&xmlpath, "%s%s.xml",
testQemuDiskXMLToJSONPath, data->name) < 0)
goto cleanup;
if (virTestLoadFile(xmlpath, &xmlstr) < 0)
goto cleanup;
/* qemu stores node names in the status XML portion */
if (!(disk = virDomainDiskDefParse(xmlstr, NULL, data->driver->xmlopt,
VIR_DOMAIN_DEF_PARSE_STATUS)))
goto cleanup;
if (qemuCheckDiskConfig(disk, data->qemuCaps) < 0 ||
qemuDomainDeviceDefValidateDisk(disk, data->qemuCaps) < 0) {
VIR_TEST_VERBOSE("invalid configuration for disk\n");
goto cleanup;
}
if (qemuDomainPrepareDiskSourceChain(disk, NULL, NULL, data->qemuCaps) < 0)
goto cleanup;
for (n = disk->src; virStorageSourceIsBacking(n); n = n->backingStore) {
if (testQemuDiskXMLToJSONFakeSecrets(n) < 0)
goto cleanup;
if (!(props = qemuBlockStorageSourceGetBlockdevProps(n))) {
if (!data->fail) {
VIR_TEST_VERBOSE("failed to generate qemu blockdev props\n");
goto cleanup;
}
} else if (data->fail) {
VIR_TEST_VERBOSE("qemu blockdev props should have failed\n");
goto cleanup;
}
if (VIR_APPEND_ELEMENT(data->props, data->nprops, props) < 0)
goto cleanup;
}
ret = 0;
cleanup:
virDomainDiskDefFree(disk);
VIR_FREE(xmlpath);
VIR_FREE(xmlstr);
return ret;
}
static int
testQemuDiskXMLToPropsValidateSchema(const void *opaque)
{
struct testQemuDiskXMLToJSONData *data = (void *) opaque;
virBuffer debug = VIR_BUFFER_INITIALIZER;
char *propsstr = NULL;
char *debugmsg = NULL;
int ret = 0;
size_t i;
if (data->fail)
return EXIT_AM_SKIP;
for (i = 0; i < data->nprops; i++) {
if (testQEMUSchemaValidate(data->props[i], data->schemaroot,
data->schema, &debug) < 0) {
debugmsg = virBufferContentAndReset(&debug);
propsstr = virJSONValueToString(data->props[i], true);
VIR_TEST_VERBOSE("json does not conform to QAPI schema");
VIR_TEST_DEBUG("json:\n%s\ndoes not match schema. Debug output:\n %s",
propsstr, NULLSTR(debugmsg));
VIR_FREE(debugmsg);
VIR_FREE(propsstr);
ret = -1;
}
virBufferFreeAndReset(&debug);
}
return ret;
}
static int
testQemuDiskXMLToPropsValidateFile(const void *opaque)
{
struct testQemuDiskXMLToJSONData *data = (void *) opaque;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *jsonpath = NULL;
char *actual = NULL;
int ret = -1;
size_t i;
if (data->fail)
return EXIT_AM_SKIP;
if (virAsprintf(&jsonpath, "%s%s.json",
testQemuDiskXMLToJSONPath, data->name) < 0)
goto cleanup;
for (i = 0; i < data->nprops; i++) {
char *jsonstr;
if (!(jsonstr = virJSONValueToString(data->props[i], true)))
goto cleanup;
virBufferAdd(&buf, jsonstr, -1);
VIR_FREE(jsonstr);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
actual = virBufferContentAndReset(&buf);
ret = virTestCompareToFile(actual, jsonpath);
cleanup:
VIR_FREE(jsonpath);
VIR_FREE(actual);
return ret;
}
static int
mymain(void)
{
int ret = 0;
virQEMUDriver driver;
struct testBackingXMLjsonXMLdata xmljsonxmldata;
struct testQemuDiskXMLToJSONData diskxmljsondata;
char *capslatest_x86_64 = NULL;
virQEMUCapsPtr caps_x86_64 = NULL;
if (qemuTestDriverInit(&driver) < 0)
return EXIT_FAILURE;
diskxmljsondata.driver = &driver;
if (!(capslatest_x86_64 = testQemuGetLatestCapsForArch(abs_srcdir "/qemucapabilitiesdata",
"x86_64", "xml")))
return EXIT_FAILURE;
VIR_TEST_VERBOSE("\nlatest caps x86_64: %s\n", capslatest_x86_64);
if (!(caps_x86_64 = qemuTestParseCapabilitiesArch(virArchFromString("x86_64"),
capslatest_x86_64)))
return EXIT_FAILURE;
diskxmljsondata.qemuCaps = caps_x86_64;
virTestCounterReset("qemu storage source xml->json->xml ");
#define TEST_JSON_FORMAT(tpe, xmlstr) \
do { \
xmljsonxmldata.type = tpe; \
xmljsonxmldata.xml = xmlstr; \
if (virTestRun(virTestCounterNext(), testBackingXMLjsonXML, \
&xmljsonxmldata) < 0) \
ret = -1; \
} while (0)
#define TEST_JSON_FORMAT_NET(xmlstr)\
TEST_JSON_FORMAT(VIR_STORAGE_TYPE_NETWORK, xmlstr)
TEST_JSON_FORMAT(VIR_STORAGE_TYPE_FILE, "<source file='/path/to/file'/>\n");
/* type VIR_STORAGE_TYPE_BLOCK is not tested since it parses back to 'file' */
/* type VIR_STORAGE_TYPE_DIR it is a 'format' driver in qemu */
TEST_JSON_FORMAT_NET("<source protocol='http' name='file'>\n"
" <host name='example.com' port='80'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='https' name='file'>\n"
" <host name='example.com' port='432'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='gluster' name='vol/file'>\n"
" <host name='example.com' port='24007'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='gluster' name='testvol/img.qcow2'>\n"
" <host name='example.com' port='1234'/>\n"
" <host transport='unix' socket='/path/socket'/>\n"
" <host name='example.com' port='24007'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='nbd'>\n"
" <host transport='unix' socket='/path/to/socket'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='nbd' name='blah'>\n"
" <host name='example.org' port='6000'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='nbd'>\n"
" <host name='example.org' port='6000'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='ssh' name='blah'>\n"
" <host name='example.org' port='6000'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='rbd' name='libvirt/test'>\n"
" <host name='example.com' port='1234'/>\n"
" <host name='example2.com'/>\n"
" <snapshot name='snapshotname'/>\n"
" <config file='/path/to/conf'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='iscsi' name='iqn.2016-12.com.virttest:emulated-iscsi-noauth.target/0'>\n"
" <host name='test.org' port='3260'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='iscsi' name='iqn.2016-12.com.virttest:emulated-iscsi-noauth.target/6'>\n"
" <host name='test.org' port='1234'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='sheepdog' name='test'>\n"
" <host name='example.com' port='321'/>\n"
"</source>\n");
TEST_JSON_FORMAT_NET("<source protocol='vxhs' name='c6718f6b-0401-441d-a8c3-1f0064d75ee0'>\n"
" <host name='example.com' port='9999'/>\n"
"</source>\n");
#define TEST_DISK_TO_JSON_FULL(nme, fl) \
do { \
diskxmljsondata.name = nme; \
diskxmljsondata.props = NULL; \
diskxmljsondata.nprops = 0; \
diskxmljsondata.fail = fl; \
if (virTestRun("disk xml to props " nme, testQemuDiskXMLToProps, \
&diskxmljsondata) < 0) \
ret = -1; \
if (virTestRun("disk xml to props validate schema " nme, \
testQemuDiskXMLToPropsValidateSchema, &diskxmljsondata) < 0) \
ret = -1; \
if (virTestRun("disk xml to props validate file " nme, \
testQemuDiskXMLToPropsValidateFile, &diskxmljsondata) < 0) \
ret = -1; \
testQemuDiskXMLToPropsClear(&diskxmljsondata); \
} while (0)
#define TEST_DISK_TO_JSON(nme) TEST_DISK_TO_JSON_FULL(nme, false)
if (!(diskxmljsondata.schema = testQEMUSchemaLoad())) {
ret = -1;
goto cleanup;
}
if (virQEMUQAPISchemaPathGet("blockdev-add/arg-type",
diskxmljsondata.schema,
&diskxmljsondata.schemaroot) < 0 ||
!diskxmljsondata.schemaroot) {
VIR_TEST_VERBOSE("failed to find schema entry for blockdev-add\n");
ret = -1;
goto cleanup;
}
TEST_DISK_TO_JSON_FULL("nodename-long-format", true);
TEST_DISK_TO_JSON_FULL("nodename-long-protocol", true);
TEST_DISK_TO_JSON("file-raw-noopts");
TEST_DISK_TO_JSON("file-bochs-noopts");
TEST_DISK_TO_JSON("file-cloop-noopts");
TEST_DISK_TO_JSON("file-dmg-noopts");
TEST_DISK_TO_JSON("file-ploop-noopts");
TEST_DISK_TO_JSON("file-vdi-noopts");
TEST_DISK_TO_JSON("file-vhd-noopts");
TEST_DISK_TO_JSON("file-vpc-noopts");
TEST_DISK_TO_JSON("file-backing_basic-noopts");
TEST_DISK_TO_JSON("dir-fat-readonly");
TEST_DISK_TO_JSON("dir-fat-floppy");
TEST_DISK_TO_JSON("file-raw-aio_native");
TEST_DISK_TO_JSON("file-backing_basic-aio_threads");
TEST_DISK_TO_JSON("file-raw-luks");
TEST_DISK_TO_JSON("file-qcow2-backing-chain-noopts");
TEST_DISK_TO_JSON("file-qcow2-backing-chain-unterminated");
TEST_DISK_TO_JSON("file-qcow2-backing-chain-encryption");
TEST_DISK_TO_JSON("network-qcow2-backing-chain-encryption_auth");
TEST_DISK_TO_JSON("file-backing_basic-unmap");
TEST_DISK_TO_JSON("file-backing_basic-unmap-detect");
TEST_DISK_TO_JSON("file-backing_basic-unmap-ignore");
TEST_DISK_TO_JSON("file-backing_basic-detect");
TEST_DISK_TO_JSON("file-backing_basic-cache-none");
TEST_DISK_TO_JSON("file-backing_basic-cache-writethrough");
TEST_DISK_TO_JSON("file-backing_basic-cache-writeback");
TEST_DISK_TO_JSON("file-backing_basic-cache-directsync");
TEST_DISK_TO_JSON("file-backing_basic-cache-unsafe");
TEST_DISK_TO_JSON("network-qcow2-backing-chain-cache-unsafe");
TEST_DISK_TO_JSON("dir-fat-cache");
TEST_DISK_TO_JSON("block-raw-noopts");
cleanup:
virHashFree(diskxmljsondata.schema);
qemuTestDriverFree(&driver);
VIR_FREE(capslatest_x86_64);
virObjectUnref(caps_x86_64);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)