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8b62008d2b
This will be required once cgroup v2 is introduced. The cgroup
detection is not simple and we will have multiple backends so we
should not just jump into the middle of the detection code.
In order to use virCgroupNewSelf we need to create all the remaining
data files:
- {name}.cgroups represents /proc/cgroups, it is a list of cgroup
controllers compiled into kernel
- {name}.self.cgroup represents /proc/self/cgroup, it describes
cgroups to which the process belongs
For "no-cgroups" we need to modify the expected behavior because
virCgroupNewSelf() will fail if there are no controllers available.
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
975 lines
34 KiB
C
975 lines
34 KiB
C
/*
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* Copyright (C) 2013-2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include "testutils.h"
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#ifdef __linux__
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# define __VIR_CGROUP_ALLOW_INCLUDE_PRIV_H__
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# include "vircgrouppriv.h"
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# include "virstring.h"
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# include "virerror.h"
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# include "virlog.h"
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# include "virfile.h"
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# include "virbuffer.h"
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# include "testutilslxc.h"
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# include "virhostcpu.h"
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# define VIR_FROM_THIS VIR_FROM_NONE
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VIR_LOG_INIT("tests.cgrouptest");
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static int validateCgroup(virCgroupPtr cgroup,
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const char *expectPath,
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const char **expectMountPoint,
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const char **expectLinkPoint,
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const char **expectPlacement)
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{
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size_t i;
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if (STRNEQ(cgroup->path, expectPath)) {
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fprintf(stderr, "Wrong path '%s', expected '%s'\n",
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cgroup->path, expectPath);
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return -1;
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}
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for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
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if (STRNEQ_NULLABLE(expectMountPoint[i],
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cgroup->controllers[i].mountPoint)) {
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fprintf(stderr, "Wrong mount '%s', expected '%s' for '%s'\n",
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cgroup->controllers[i].mountPoint,
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expectMountPoint[i],
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virCgroupControllerTypeToString(i));
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return -1;
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}
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if (STRNEQ_NULLABLE(expectLinkPoint[i],
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cgroup->controllers[i].linkPoint)) {
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fprintf(stderr, "Wrong link '%s', expected '%s' for '%s'\n",
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cgroup->controllers[i].linkPoint,
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expectLinkPoint[i],
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virCgroupControllerTypeToString(i));
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return -1;
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}
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if (STRNEQ_NULLABLE(expectPlacement[i],
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cgroup->controllers[i].placement)) {
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fprintf(stderr, "Wrong placement '%s', expected '%s' for '%s'\n",
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cgroup->controllers[i].placement,
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expectPlacement[i],
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virCgroupControllerTypeToString(i));
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return -1;
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}
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}
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return 0;
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}
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const char *mountsSmall[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup/cpu,cpuacct",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup/cpu,cpuacct",
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/not/really/sys/fs/cgroup/memory",
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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const char *mountsFull[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup/cpu,cpuacct",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup/cpu,cpuacct",
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[VIR_CGROUP_CONTROLLER_CPUSET] = "/not/really/sys/fs/cgroup/cpuset",
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/not/really/sys/fs/cgroup/memory",
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = "/not/really/sys/fs/cgroup/freezer",
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[VIR_CGROUP_CONTROLLER_BLKIO] = "/not/really/sys/fs/cgroup/blkio",
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/not/really/sys/fs/cgroup/systemd",
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};
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const char *mountsAllInOne[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_CPUSET] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_DEVICES] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = "/not/really/sys/fs/cgroup",
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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const char *mountsLogind[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUACCT] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = NULL,
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/not/really/sys/fs/cgroup/systemd",
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};
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const char *links[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup/cpu",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup/cpuacct",
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = NULL,
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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const char *linksAllInOne[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUACCT] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = NULL,
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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const char *linksLogind[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUACCT] = NULL,
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = NULL,
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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struct _detectMountsData {
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const char *file;
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bool fail;
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};
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static int
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testCgroupDetectMounts(const void *args)
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{
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int result = -1;
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const struct _detectMountsData *data = args;
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char *parsed = NULL;
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const char *actual;
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virCgroupPtr group = NULL;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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size_t i;
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setenv("VIR_CGROUP_MOCK_FILENAME", data->file, 1);
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if (virAsprintf(&parsed, "%s/vircgroupdata/%s.parsed",
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abs_srcdir, data->file) < 0) {
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goto cleanup;
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}
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if (virCgroupNewSelf(&group) < 0) {
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if (data->fail)
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result = 0;
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goto cleanup;
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}
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if (data->fail)
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goto cleanup;
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for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
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virBufferAsprintf(&buf, "%-12s %s\n",
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virCgroupControllerTypeToString(i),
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NULLSTR(group->controllers[i].mountPoint));
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}
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if (virBufferCheckError(&buf) < 0)
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goto cleanup;
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actual = virBufferCurrentContent(&buf);
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if (virTestCompareToFile(actual, parsed) < 0)
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goto cleanup;
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result = 0;
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cleanup:
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unsetenv("VIR_CGROUP_MOCK_FILENAME");
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VIR_FREE(parsed);
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virCgroupFree(&group);
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virBufferFreeAndReset(&buf);
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return result;
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}
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static int testCgroupNewForSelf(const void *args ATTRIBUTE_UNUSED)
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{
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virCgroupPtr cgroup = NULL;
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int ret = -1;
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const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/system",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/system",
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[VIR_CGROUP_CONTROLLER_CPUSET] = "/",
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/",
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = "/",
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[VIR_CGROUP_CONTROLLER_BLKIO] = "/",
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
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};
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if (virCgroupNewSelf(&cgroup) < 0) {
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fprintf(stderr, "Cannot create cgroup for self\n");
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goto cleanup;
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}
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ret = validateCgroup(cgroup, "", mountsFull, links, placement);
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cleanup:
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virCgroupFree(&cgroup);
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return ret;
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}
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# define ENSURE_ERRNO(en) \
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do { \
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if (!virLastErrorIsSystemErrno(en)) { \
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virErrorPtr err = virGetLastError(); \
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fprintf(stderr, "Did not get " #en " error code: %d:%d\n", \
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err ? err->code : 0, err ? err->int1 : 0); \
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goto cleanup; \
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} } while (0)
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/* Asking for impossible combination since CPU is co-mounted */
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static int testCgroupNewForPartition(const void *args ATTRIBUTE_UNUSED)
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{
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virCgroupPtr cgroup = NULL;
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int ret = -1;
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int rv;
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const char *placementSmall[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
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[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
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};
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const char *placementFull[VIR_CGROUP_CONTROLLER_LAST] = {
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[VIR_CGROUP_CONTROLLER_CPU] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_CPUACCT] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_CPUSET] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_MEMORY] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
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[VIR_CGROUP_CONTROLLER_FREEZER] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_BLKIO] = "/virtualmachines.partition",
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[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
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};
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if ((rv = virCgroupNewPartition("/virtualmachines", false, -1, &cgroup)) != -1) {
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fprintf(stderr, "Unexpected found /virtualmachines cgroup: %d\n", -rv);
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goto cleanup;
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}
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ENSURE_ERRNO(ENOENT);
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/* Asking for impossible combination since CPU is co-mounted */
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if ((rv = virCgroupNewPartition("/virtualmachines", true,
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(1 << VIR_CGROUP_CONTROLLER_CPU),
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&cgroup)) != -1) {
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fprintf(stderr, "Should not have created /virtualmachines cgroup: %d\n", -rv);
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goto cleanup;
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}
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ENSURE_ERRNO(EINVAL);
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|
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/* Asking for impossible combination since devices is not mounted */
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if ((rv = virCgroupNewPartition("/virtualmachines", true,
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(1 << VIR_CGROUP_CONTROLLER_DEVICES),
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&cgroup)) != -1) {
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fprintf(stderr, "Should not have created /virtualmachines cgroup: %d\n", -rv);
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goto cleanup;
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}
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ENSURE_ERRNO(ENXIO);
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|
|
|
/* Asking for small combination since devices is not mounted */
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if ((rv = virCgroupNewPartition("/virtualmachines", true,
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(1 << VIR_CGROUP_CONTROLLER_CPU) |
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(1 << VIR_CGROUP_CONTROLLER_CPUACCT) |
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(1 << VIR_CGROUP_CONTROLLER_MEMORY),
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&cgroup)) != 0) {
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fprintf(stderr, "Cannot create /virtualmachines cgroup: %d\n", -rv);
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goto cleanup;
|
|
}
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ret = validateCgroup(cgroup, "/virtualmachines.partition", mountsSmall, links, placementSmall);
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|
virCgroupFree(&cgroup);
|
|
|
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if ((rv = virCgroupNewPartition("/virtualmachines", true, -1, &cgroup)) != 0) {
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|
fprintf(stderr, "Cannot create /virtualmachines cgroup: %d\n", -rv);
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|
goto cleanup;
|
|
}
|
|
ret = validateCgroup(cgroup, "/virtualmachines.partition", mountsFull, links, placementFull);
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testCgroupNewForPartitionNested(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
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int ret = -1;
|
|
int rv;
|
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const char *placementFull[VIR_CGROUP_CONTROLLER_LAST] = {
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|
[VIR_CGROUP_CONTROLLER_CPU] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = "/deployment.partition/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
|
|
};
|
|
|
|
if ((rv = virCgroupNewPartition("/deployment/production", false, -1, &cgroup)) != -1) {
|
|
fprintf(stderr, "Unexpected found /deployment/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
ENSURE_ERRNO(ENOENT);
|
|
|
|
/* Should not work, since we require /deployment to be pre-created */
|
|
if ((rv = virCgroupNewPartition("/deployment/production", true, -1, &cgroup)) != -1) {
|
|
fprintf(stderr, "Unexpected created /deployment/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
ENSURE_ERRNO(ENOENT);
|
|
|
|
if ((rv = virCgroupNewPartition("/deployment", true, -1, &cgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /deployment cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* Should now work */
|
|
virCgroupFree(&cgroup);
|
|
if ((rv = virCgroupNewPartition("/deployment/production", true, -1, &cgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /deployment/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = validateCgroup(cgroup, "/deployment.partition/production.partition",
|
|
mountsFull, links, placementFull);
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testCgroupNewForPartitionNestedDeep(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
int ret = -1;
|
|
int rv;
|
|
const char *placementFull[VIR_CGROUP_CONTROLLER_LAST] = {
|
|
[VIR_CGROUP_CONTROLLER_CPU] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = "/user/berrange.user/production.partition",
|
|
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
|
|
};
|
|
|
|
if ((rv = virCgroupNewPartition("/user/berrange.user/production", false, -1, &cgroup)) != -1) {
|
|
fprintf(stderr, "Unexpected found /user/berrange.user/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
ENSURE_ERRNO(ENOENT);
|
|
|
|
/* Should not work, since we require /user/berrange.user to be pre-created */
|
|
if ((rv = virCgroupNewPartition("/user/berrange.user/production", true, -1, &cgroup)) != -1) {
|
|
fprintf(stderr, "Unexpected created /user/berrange.user/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
ENSURE_ERRNO(ENOENT);
|
|
|
|
if ((rv = virCgroupNewPartition("/user", true, -1, &cgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /user/berrange.user cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
virCgroupFree(&cgroup);
|
|
if ((rv = virCgroupNewPartition("/user/berrange.user", true, -1, &cgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /user/berrange.user cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* Should now work */
|
|
virCgroupFree(&cgroup);
|
|
if ((rv = virCgroupNewPartition("/user/berrange.user/production", true, -1, &cgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /user/berrange.user/production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = validateCgroup(cgroup, "/user/berrange.user/production.partition",
|
|
mountsFull, links, placementFull);
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
static int testCgroupNewForPartitionDomain(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr partitioncgroup = NULL;
|
|
virCgroupPtr domaincgroup = NULL;
|
|
int ret = -1;
|
|
int rv;
|
|
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
|
|
[VIR_CGROUP_CONTROLLER_CPU] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = "/production.partition/foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
|
|
};
|
|
|
|
if ((rv = virCgroupNewPartition("/production", true, -1, &partitioncgroup)) != 0) {
|
|
fprintf(stderr, "Failed to create /production cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupNewDomainPartition(partitioncgroup, "lxc", "foo", true, &domaincgroup)) != 0) {
|
|
fprintf(stderr, "Cannot create LXC cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = validateCgroup(domaincgroup, "/production.partition/foo.libvirt-lxc", mountsFull, links, placement);
|
|
|
|
cleanup:
|
|
virCgroupFree(&partitioncgroup);
|
|
virCgroupFree(&domaincgroup);
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupNewForPartitionDomainEscaped(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr partitioncgroup1 = NULL;
|
|
virCgroupPtr partitioncgroup2 = NULL;
|
|
virCgroupPtr partitioncgroup3 = NULL;
|
|
virCgroupPtr domaincgroup = NULL;
|
|
int ret = -1;
|
|
int rv;
|
|
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
|
|
[VIR_CGROUP_CONTROLLER_CPU] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc",
|
|
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/user/berrange/123",
|
|
};
|
|
|
|
if ((rv = virCgroupNewPartition("/cgroup.evil", true, -1, &partitioncgroup1)) != 0) {
|
|
fprintf(stderr, "Failed to create /cgroup.evil cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupNewPartition("/cgroup.evil/net_cls.evil", true, -1, &partitioncgroup2)) != 0) {
|
|
fprintf(stderr, "Failed to create /cgroup.evil/cpu.evil cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupNewPartition("/cgroup.evil/net_cls.evil/_evil.evil", true, -1, &partitioncgroup3)) != 0) {
|
|
fprintf(stderr, "Failed to create /cgroup.evil cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupNewDomainPartition(partitioncgroup3, "lxc", "cpu.foo", true, &domaincgroup)) != 0) {
|
|
fprintf(stderr, "Cannot create LXC cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* NB we're not expecting 'net_cls.evil' to be escaped,
|
|
* since our fake /proc/cgroups pretends this controller
|
|
* isn't compiled into the kernel
|
|
*/
|
|
ret = validateCgroup(domaincgroup, "/_cgroup.evil/net_cls.evil/__evil.evil/_cpu.foo.libvirt-lxc", mountsFull, links, placement);
|
|
|
|
cleanup:
|
|
virCgroupFree(&partitioncgroup3);
|
|
virCgroupFree(&partitioncgroup2);
|
|
virCgroupFree(&partitioncgroup1);
|
|
virCgroupFree(&domaincgroup);
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupNewForSelfAllInOne(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
int ret = -1;
|
|
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
|
|
[VIR_CGROUP_CONTROLLER_CPU] = "/",
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/",
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = "/",
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = "/",
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = "/",
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = "/",
|
|
};
|
|
|
|
if (virCgroupNewSelf(&cgroup) < 0) {
|
|
fprintf(stderr, "Cannot create cgroup for self\n");
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = validateCgroup(cgroup, "", mountsAllInOne, linksAllInOne, placement);
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testCgroupNewForSelfLogind(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
int ret = -1;
|
|
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
|
|
[VIR_CGROUP_CONTROLLER_CPU] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_CPUACCT] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_CPUSET] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_MEMORY] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
|
|
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/",
|
|
};
|
|
|
|
if (virCgroupNewSelf(&cgroup) < 0) {
|
|
fprintf(stderr, "Cannot create cgroup for self\n");
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = validateCgroup(cgroup, "", mountsLogind, linksLogind, placement);
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int testCgroupAvailable(const void *args)
|
|
{
|
|
bool got = virCgroupAvailable();
|
|
bool want = args == (void*)0x1;
|
|
|
|
if (got != want) {
|
|
fprintf(stderr, "Expected cgroup %savailable, but state was wrong\n",
|
|
want ? "" : "not ");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int testCgroupControllerAvailable(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = 0;
|
|
|
|
# define CHECK_CONTROLLER(c, present) \
|
|
if ((present && !virCgroupControllerAvailable(c)) || \
|
|
(!present && virCgroupControllerAvailable(c))) { \
|
|
fprintf(stderr, present ? \
|
|
"Expected controller %s not available\n" : \
|
|
"Unexpected controller %s available\n", #c); \
|
|
ret = -1; \
|
|
}
|
|
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_CPU, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_CPUACCT, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_CPUSET, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_MEMORY, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_DEVICES, false)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_FREEZER, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_BLKIO, true)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_NET_CLS, false)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_PERF_EVENT, false)
|
|
CHECK_CONTROLLER(VIR_CGROUP_CONTROLLER_SYSTEMD, true)
|
|
|
|
# undef CHECK_CONTROLLER
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupGetPercpuStats(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
size_t i;
|
|
int rv, ret = -1;
|
|
virTypedParameterPtr params = NULL;
|
|
# define EXPECTED_NCPUS 160
|
|
|
|
unsigned long long expected[EXPECTED_NCPUS] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
7059492996ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
4180532496ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
1957541268ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
2065932204ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
18228689414ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
4245525148ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
2911161568ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
1407758136ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
1836807700ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
1065296618ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
2046213266ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
747889778ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
709566900ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
444777342ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
5683512916ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
635751356ULL, 0, 0, 0, 0, 0, 0, 0,
|
|
};
|
|
|
|
if (VIR_ALLOC_N(params, EXPECTED_NCPUS) < 0)
|
|
goto cleanup;
|
|
|
|
if ((rv = virCgroupNewPartition("/virtualmachines", true,
|
|
(1 << VIR_CGROUP_CONTROLLER_CPU) |
|
|
(1 << VIR_CGROUP_CONTROLLER_CPUACCT),
|
|
&cgroup)) < 0) {
|
|
fprintf(stderr, "Could not create /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virHostCPUGetCount() != EXPECTED_NCPUS) {
|
|
fprintf(stderr, "Unexpected: virHostCPUGetCount() yields: %d\n", virHostCPUGetCount());
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupGetPercpuStats(cgroup,
|
|
params,
|
|
1, 0, EXPECTED_NCPUS, NULL)) < 0) {
|
|
fprintf(stderr, "Failed call to virCgroupGetPercpuStats for /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
for (i = 0; i < EXPECTED_NCPUS; i++) {
|
|
if (STRNEQ(params[i].field, VIR_DOMAIN_CPU_STATS_CPUTIME)) {
|
|
fprintf(stderr,
|
|
"Wrong parameter name value from virCgroupGetPercpuStats at %zu (is: %s)\n",
|
|
i, params[i].field);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (params[i].type != VIR_TYPED_PARAM_ULLONG) {
|
|
fprintf(stderr,
|
|
"Wrong parameter value type from virCgroupGetPercpuStats at %zu (is: %d)\n",
|
|
i, params[i].type);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (params[i].value.ul != expected[i]) {
|
|
fprintf(stderr,
|
|
"Wrong value from virCgroupGetMemoryUsage at %zu (expected %llu)\n",
|
|
i, params[i].value.ul);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
VIR_FREE(params);
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupGetMemoryUsage(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
int rv, ret = -1;
|
|
unsigned long kb;
|
|
|
|
if ((rv = virCgroupNewPartition("/virtualmachines", true,
|
|
(1 << VIR_CGROUP_CONTROLLER_MEMORY),
|
|
&cgroup)) < 0) {
|
|
fprintf(stderr, "Could not create /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupGetMemoryUsage(cgroup, &kb)) < 0) {
|
|
fprintf(stderr, "Could not retrieve GetMemoryUsage for /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (kb != 1421212UL) {
|
|
fprintf(stderr,
|
|
"Wrong value from virCgroupGetMemoryUsage (expected %ld)\n",
|
|
1421212UL);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupGetBlkioIoServiced(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
size_t i;
|
|
int rv, ret = -1;
|
|
|
|
const long long expected_values[] = {
|
|
119084214273ULL,
|
|
822880960513ULL,
|
|
9665167,
|
|
73283807
|
|
};
|
|
const char* names[] = {
|
|
"bytes read",
|
|
"bytes written",
|
|
"requests read",
|
|
"requests written"
|
|
};
|
|
long long values[ARRAY_CARDINALITY(expected_values)];
|
|
|
|
if ((rv = virCgroupNewPartition("/virtualmachines", true,
|
|
(1 << VIR_CGROUP_CONTROLLER_BLKIO),
|
|
&cgroup)) < 0) {
|
|
fprintf(stderr, "Could not create /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupGetBlkioIoServiced(cgroup,
|
|
values, &values[1],
|
|
&values[2], &values[3])) < 0) {
|
|
fprintf(stderr, "Could not retrieve BlkioIoServiced for /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_CARDINALITY(expected_values); i++) {
|
|
if (expected_values[i] != values[i]) {
|
|
fprintf(stderr,
|
|
"Wrong value for %s from virCgroupBlkioIoServiced (expected %lld)\n",
|
|
names[i], expected_values[i]);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
static int testCgroupGetBlkioIoDeviceServiced(const void *args ATTRIBUTE_UNUSED)
|
|
{
|
|
virCgroupPtr cgroup = NULL;
|
|
size_t i;
|
|
int rv, ret = -1;
|
|
const long long expected_values0[] = {
|
|
59542107136ULL,
|
|
411440480256ULL,
|
|
4832583,
|
|
36641903
|
|
};
|
|
const long long expected_values1[] = {
|
|
59542107137ULL,
|
|
411440480257ULL,
|
|
4832584,
|
|
36641904
|
|
};
|
|
const char* names[] = {
|
|
"bytes read",
|
|
"bytes written",
|
|
"requests read",
|
|
"requests written"
|
|
};
|
|
long long values[ARRAY_CARDINALITY(expected_values0)];
|
|
|
|
if ((rv = virCgroupNewPartition("/virtualmachines", true,
|
|
(1 << VIR_CGROUP_CONTROLLER_BLKIO),
|
|
&cgroup)) < 0) {
|
|
fprintf(stderr, "Could not create /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((rv = virCgroupGetBlkioIoDeviceServiced(cgroup,
|
|
FAKEDEVDIR0,
|
|
values, &values[1],
|
|
&values[2], &values[3])) < 0) {
|
|
fprintf(stderr, "Could not retrieve BlkioIoDeviceServiced for /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_CARDINALITY(expected_values0); i++) {
|
|
if (expected_values0[i] != values[i]) {
|
|
fprintf(stderr,
|
|
"Wrong value for %s from virCgroupGetBlkioIoDeviceServiced (expected %lld)\n",
|
|
names[i], expected_values0[i]);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
if ((rv = virCgroupGetBlkioIoDeviceServiced(cgroup,
|
|
FAKEDEVDIR1,
|
|
values, &values[1],
|
|
&values[2], &values[3])) < 0) {
|
|
fprintf(stderr, "Could not retrieve BlkioIoDeviceServiced for /virtualmachines cgroup: %d\n", -rv);
|
|
goto cleanup;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_CARDINALITY(expected_values1); i++) {
|
|
if (expected_values1[i] != values[i]) {
|
|
fprintf(stderr,
|
|
"Wrong value for %s from virCgroupGetBlkioIoDeviceServiced (expected %lld)\n",
|
|
names[i], expected_values1[i]);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCgroupFree(&cgroup);
|
|
return ret;
|
|
}
|
|
|
|
# define FAKEROOTDIRTEMPLATE abs_builddir "/fakerootdir-XXXXXX"
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
int ret = 0;
|
|
char *fakerootdir;
|
|
|
|
if (VIR_STRDUP_QUIET(fakerootdir, FAKEROOTDIRTEMPLATE) < 0) {
|
|
fprintf(stderr, "Out of memory\n");
|
|
abort();
|
|
}
|
|
|
|
if (!mkdtemp(fakerootdir)) {
|
|
fprintf(stderr, "Cannot create fakerootdir");
|
|
abort();
|
|
}
|
|
|
|
setenv("LIBVIRT_FAKE_ROOT_DIR", fakerootdir, 1);
|
|
|
|
# define DETECT_MOUNTS_FULL(file, fail) \
|
|
do { \
|
|
struct _detectMountsData data = { file, fail }; \
|
|
if (virTestRun("Detect cgroup mounts for " file, \
|
|
testCgroupDetectMounts, \
|
|
&data) < 0) \
|
|
ret = -1; \
|
|
} while (0)
|
|
# define DETECT_MOUNTS(file) DETECT_MOUNTS_FULL(file, false);
|
|
# define DETECT_MOUNTS_FAIL(file) DETECT_MOUNTS_FULL(file, true);
|
|
|
|
DETECT_MOUNTS("ovirt-node-6.6");
|
|
DETECT_MOUNTS("ovirt-node-7.1");
|
|
DETECT_MOUNTS("fedora-18");
|
|
DETECT_MOUNTS("fedora-21");
|
|
DETECT_MOUNTS("rhel-7.1");
|
|
DETECT_MOUNTS("cgroups1");
|
|
DETECT_MOUNTS("cgroups2");
|
|
DETECT_MOUNTS("cgroups3");
|
|
DETECT_MOUNTS("all-in-one");
|
|
DETECT_MOUNTS_FAIL("no-cgroups");
|
|
DETECT_MOUNTS("kubevirt");
|
|
|
|
setenv("VIR_CGROUP_MOCK_FILENAME", "systemd", 1);
|
|
if (virTestRun("New cgroup for self", testCgroupNewForSelf, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("New cgroup for partition", testCgroupNewForPartition, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("New cgroup for partition nested", testCgroupNewForPartitionNested, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("New cgroup for partition nested deeply", testCgroupNewForPartitionNestedDeep, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("New cgroup for domain partition", testCgroupNewForPartitionDomain, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("New cgroup for domain partition escaped", testCgroupNewForPartitionDomainEscaped, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("Cgroup available", testCgroupAvailable, (void*)0x1) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("Cgroup controller available", testCgroupControllerAvailable, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("virCgroupGetBlkioIoServiced works", testCgroupGetBlkioIoServiced, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("virCgroupGetBlkioIoDeviceServiced works", testCgroupGetBlkioIoDeviceServiced, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("virCgroupGetMemoryUsage works", testCgroupGetMemoryUsage, NULL) < 0)
|
|
ret = -1;
|
|
|
|
if (virTestRun("virCgroupGetPercpuStats works", testCgroupGetPercpuStats, NULL) < 0)
|
|
ret = -1;
|
|
unsetenv("VIR_CGROUP_MOCK_FILENAME");
|
|
|
|
setenv("VIR_CGROUP_MOCK_FILENAME", "all-in-one", 1);
|
|
if (virTestRun("New cgroup for self (allinone)", testCgroupNewForSelfAllInOne, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Cgroup available", testCgroupAvailable, (void*)0x1) < 0)
|
|
ret = -1;
|
|
unsetenv("VIR_CGROUP_MOCK_FILENAME");
|
|
|
|
setenv("VIR_CGROUP_MOCK_FILENAME", "logind", 1);
|
|
if (virTestRun("New cgroup for self (logind)", testCgroupNewForSelfLogind, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Cgroup available", testCgroupAvailable, (void*)0x0) < 0)
|
|
ret = -1;
|
|
unsetenv("VIR_CGROUP_MOCK_FILENAME");
|
|
|
|
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
|
|
virFileDeleteTree(fakerootdir);
|
|
|
|
VIR_FREE(fakerootdir);
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/vircgroupmock.so")
|
|
|
|
#else
|
|
int
|
|
main(void)
|
|
{
|
|
return EXIT_AM_SKIP;
|
|
}
|
|
#endif
|