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From c94691d796682d951ffa8fb3a4fcb985aae17d9b Mon Sep 17 00:00:00 2001
Message-Id: <c94691d796682d951ffa8fb3a4fcb985aae17d9b@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Fri, 19 Feb 2021 13:34:00 +0100
Subject: [PATCH] tests: add cgroup nested tests
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 85099c339346e41f457234e8ad831841aef1d5e3)
Conflicts:
tests/vircgrouptest.c
- missing upstream g_autofree rewrite
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1798463
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <abf8f7673bd59c6e3d9b596cf9a86029b1f1e9c1.1613737828.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
tests/vircgroupdata/systemd-legacy.cgroups | 12 +++
tests/vircgroupdata/systemd-legacy.mounts | 11 +++
.../vircgroupdata/systemd-legacy.self.cgroup | 11 +++
tests/vircgroupdata/systemd-unified.cgroups | 13 +++
tests/vircgroupdata/systemd-unified.mounts | 1 +
.../vircgroupdata/systemd-unified.self.cgroup | 1 +
tests/vircgrouptest.c | 82 +++++++++++++++++++
7 files changed, 131 insertions(+)
create mode 100644 tests/vircgroupdata/systemd-legacy.cgroups
create mode 100644 tests/vircgroupdata/systemd-legacy.mounts
create mode 100644 tests/vircgroupdata/systemd-legacy.self.cgroup
create mode 100644 tests/vircgroupdata/systemd-unified.cgroups
create mode 100644 tests/vircgroupdata/systemd-unified.mounts
create mode 100644 tests/vircgroupdata/systemd-unified.self.cgroup
diff --git a/tests/vircgroupdata/systemd-legacy.cgroups b/tests/vircgroupdata/systemd-legacy.cgroups
new file mode 100644
index 0000000000..444354e3c8
--- /dev/null
+++ b/tests/vircgroupdata/systemd-legacy.cgroups
@@ -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
diff --git a/tests/vircgroupdata/systemd-legacy.mounts b/tests/vircgroupdata/systemd-legacy.mounts
new file mode 100644
index 0000000000..23462e9e68
--- /dev/null
+++ b/tests/vircgroupdata/systemd-legacy.mounts
@@ -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
diff --git a/tests/vircgroupdata/systemd-legacy.self.cgroup b/tests/vircgroupdata/systemd-legacy.self.cgroup
new file mode 100644
index 0000000000..5c133a3c08
--- /dev/null
+++ b/tests/vircgroupdata/systemd-legacy.self.cgroup
@@ -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:/
diff --git a/tests/vircgroupdata/systemd-unified.cgroups b/tests/vircgroupdata/systemd-unified.cgroups
new file mode 100644
index 0000000000..e0d8a3561c
--- /dev/null
+++ b/tests/vircgroupdata/systemd-unified.cgroups
@@ -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
diff --git a/tests/vircgroupdata/systemd-unified.mounts b/tests/vircgroupdata/systemd-unified.mounts
new file mode 100644
index 0000000000..8225f37f45
--- /dev/null
+++ b/tests/vircgroupdata/systemd-unified.mounts
@@ -0,0 +1 @@
+cgroup2 /not/really/sys/fs/cgroup cgroup2 rw,seclabel,nosuid,nodev,noexec,relatime,nsdelegate 0 0
diff --git a/tests/vircgroupdata/systemd-unified.self.cgroup b/tests/vircgroupdata/systemd-unified.self.cgroup
new file mode 100644
index 0000000000..6007ce7e18
--- /dev/null
+++ b/tests/vircgroupdata/systemd-unified.self.cgroup
@@ -0,0 +1 @@
+0::/libvirt/emulator
diff --git a/tests/vircgrouptest.c b/tests/vircgrouptest.c
index 2d6f52fb6e..aebb90c16c 100644
--- a/tests/vircgrouptest.c
+++ b/tests/vircgrouptest.c
@@ -636,6 +636,74 @@ static int testCgroupNewForSelfHybrid(const void *args G_GNUC_UNUSED)
}
+static int testCgroupNewForSelfSystemdLegacy(const void *args G_GNUC_UNUSED)
+{
+ virCgroupPtr cgroup = NULL;
+ int ret = -1;
+ 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");
+ goto cleanup;
+ }
+
+ ret = validateCgroup(cgroup, "", mounts, empty, placement, NULL, NULL, 0);
+
+ cleanup:
+ virCgroupFree(&cgroup);
+ return ret;
+}
+
+
+static int testCgroupNewForSelfSystemdUnified(const void *args G_GNUC_UNUSED)
+{
+ virCgroupPtr cgroup = NULL;
+ int ret = -1;
+ 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");
+ goto cleanup;
+ }
+
+ ret = validateCgroup(cgroup, "", empty, empty, empty,
+ "/not/really/sys/fs/cgroup", "",
+ controllers);
+
+ cleanup:
+ virCgroupFree(&cgroup);
+ return ret;
+}
+
+
static int testCgroupAvailable(const void *args)
{
bool got = virCgroupAvailable();
@@ -1125,6 +1193,20 @@ mymain(void)
ret = -1;
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;
}
--
2.30.0
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