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tests: add cgroup nested tests

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Hrdina 2020-11-05 18:39:10 +01:00
parent 184245f53b
commit 85099c3393
7 changed files with 121 additions and 0 deletions
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12
tests/vircgroupdata/systemd-legacy.cgroups Normal file
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@ -0,0 +1,12 @@
#subsys_name hierarchy num_cgroups enabled
blkio 1 1 1
cpu 2 1 1
cpuacct 3 1 1
cpuset 4 1 1
devices 5 1 1
freezer 6 1 1
hugetlb 7 1 1
memory 8 1 1
net_cls 9 1 1
perf_event 10 1 1
pids 11 1 1

11
tests/vircgroupdata/systemd-legacy.mounts Normal file
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@ -0,0 +1,11 @@
cgroup /not/really/sys/fs/cgroup/blkio cgroup rw,seclabel,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /not/really/sys/fs/cgroup/cpu cgroup rw,seclabel,nosuid,nodev,noexec,relatime,cpu 0 0
cgroup /not/really/sys/fs/cgroup/cpuacct cgroup rw,seclabel,nosuid,nodev,noexec,relatime,cpuacct 0 0
cgroup /not/really/sys/fs/cgroup/cpuset cgroup rw,seclabel,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /not/really/sys/fs/cgroup/devices cgroup rw,seclabel,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /not/really/sys/fs/cgroup/freezer cgroup rw,seclabel,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /not/really/sys/fs/cgroup/hugetlb cgroup rw,seclabel,nosuid,nodev,noexec,relatime,hugetlb 0 0
cgroup /not/really/sys/fs/cgroup/memory cgroup rw,seclabel,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /not/really/sys/fs/cgroup/net_cls cgroup rw,seclabel,nosuid,nodev,noexec,relatime,net_cls 0 0
cgroup /not/really/sys/fs/cgroup/perf_event cgroup rw,seclabel,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /not/really/sys/fs/cgroup/pids cgroup rw,seclabel,nosuid,nodev,noexec,relatime,pids 0 0

11
tests/vircgroupdata/systemd-legacy.self.cgroup Normal file
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@ -0,0 +1,11 @@
1:blkio:/libvirt
2:cpu:/libvirt/emulator
3:cpuacct:/libvirt/emulator
4:cpuset:/libvirt/emulator
5:devices:/libvirt
6:freezer:/libvirt
7:hugetlb:/
8:memory:/libvirt
9:net_cls:/libvirt
10:perf_event:/libvirt
11:pids:/

13
tests/vircgroupdata/systemd-unified.cgroups Normal file
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@ -0,0 +1,13 @@
#subsys_name hierarchy num_cgroups enabled
cpuset 0 1 1
cpu 0 1 1
cpuacct 0 1 1
blkio 0 1 1
memory 0 1 1
devices 0 1 1
freezer 0 1 1
net_cls 0 1 1
perf_event 0 1 1
net_prio 0 1 1
hugetlb 0 1 1
pids 0 1 1

1
tests/vircgroupdata/systemd-unified.mounts Normal file
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@ -0,0 +1 @@
cgroup2 /not/really/sys/fs/cgroup cgroup2 rw,seclabel,nosuid,nodev,noexec,relatime,nsdelegate 0 0

1
tests/vircgroupdata/systemd-unified.self.cgroup Normal file
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@ -0,0 +1 @@
0::/libvirt/emulator

72
tests/vircgrouptest.c
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@ -576,6 +576,64 @@ static int testCgroupNewForSelfHybrid(const void *args G_GNUC_UNUSED)
} }
static int testCgroupNewForSelfSystemdLegacy(const void *args G_GNUC_UNUSED)
{
g_autoptr(virCgroup) cgroup = NULL;
const char *empty[VIR_CGROUP_CONTROLLER_LAST] = { 0 };
const char *mounts[VIR_CGROUP_CONTROLLER_LAST] = {
[VIR_CGROUP_CONTROLLER_BLKIO] = "/not/really/sys/fs/cgroup/blkio",
[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup/cpu",
[VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup/cpuacct",
[VIR_CGROUP_CONTROLLER_CPUSET] = "/not/really/sys/fs/cgroup/cpuset",
[VIR_CGROUP_CONTROLLER_DEVICES] = "/not/really/sys/fs/cgroup/devices",
[VIR_CGROUP_CONTROLLER_FREEZER] = "/not/really/sys/fs/cgroup/freezer",
[VIR_CGROUP_CONTROLLER_MEMORY] = "/not/really/sys/fs/cgroup/memory",
[VIR_CGROUP_CONTROLLER_NET_CLS] = "/not/really/sys/fs/cgroup/net_cls",
[VIR_CGROUP_CONTROLLER_PERF_EVENT] = "/not/really/sys/fs/cgroup/perf_event",
};
const char *placement[VIR_CGROUP_CONTROLLER_LAST] = {
[VIR_CGROUP_CONTROLLER_BLKIO] = "",
[VIR_CGROUP_CONTROLLER_CPU] = "",
[VIR_CGROUP_CONTROLLER_CPUACCT] = "",
[VIR_CGROUP_CONTROLLER_CPUSET] = "",
[VIR_CGROUP_CONTROLLER_DEVICES] = "",
[VIR_CGROUP_CONTROLLER_FREEZER] = "",
[VIR_CGROUP_CONTROLLER_MEMORY] = "",
[VIR_CGROUP_CONTROLLER_NET_CLS] = "",
[VIR_CGROUP_CONTROLLER_PERF_EVENT] = "",
};
if (virCgroupNewSelf(&cgroup) < 0) {
fprintf(stderr, "Cannot create cgroup for self\n");
return -1;
}
return validateCgroup(cgroup, mounts, empty, placement, NULL, NULL, 0);
}
static int testCgroupNewForSelfSystemdUnified(const void *args G_GNUC_UNUSED)
{
g_autoptr(virCgroup) cgroup = NULL;
const char *empty[VIR_CGROUP_CONTROLLER_LAST] = { 0 };
unsigned int controllers =
(1 << VIR_CGROUP_CONTROLLER_CPU) |
(1 << VIR_CGROUP_CONTROLLER_CPUACCT) |
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
(1 << VIR_CGROUP_CONTROLLER_DEVICES) |
(1 << VIR_CGROUP_CONTROLLER_BLKIO);
if (virCgroupNewSelf(&cgroup) < 0) {
fprintf(stderr, "Cannot create cgroup for self\n");
return -1;
}
return validateCgroup(cgroup, empty, empty, empty,
"/not/really/sys/fs/cgroup", "",
controllers);
}
static int testCgroupAvailable(const void *args) static int testCgroupAvailable(const void *args)
{ {
bool got = virCgroupAvailable(); bool got = virCgroupAvailable();
@ -1046,6 +1104,20 @@ mymain(void)
ret = -1; ret = -1;
cleanupFakeFS(fakerootdir); cleanupFakeFS(fakerootdir);
fakerootdir = initFakeFS("legacy", "systemd-legacy");
if (virTestRun("New cgroup for self (systemd-legacy)",
testCgroupNewForSelfSystemdLegacy, NULL) < 0) {
ret = -1;
}
cleanupFakeFS(fakerootdir);
fakerootdir = initFakeFS("unified", "systemd-unified");
if (virTestRun("New cgroup for self (systemd-unified)",
testCgroupNewForSelfSystemdUnified, NULL) < 0) {
ret = -1;
}
cleanupFakeFS(fakerootdir);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE; return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
} }