"blkio 8 4 1\n";
+const char *procmountsallinone =
+ "rootfs / rootfs rw 0 0\n"
+ "sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0\n"
+ "proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0\n"
+ "udev /dev devtmpfs rw,relatime,size=16458560k,nr_inodes=4114640,mode=755 0 0\n"
+ "devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0\n"
+ "nfsd /proc/fs/nfsd nfsd rw,relatime 0 0\n"
+ "cgroup /not/really/sys/fs/cgroup cgroup rw,relatime,blkio,devices,memory,cpuacct,cpu,cpuset 0 0\n";
+
+const char *procselfcgroupsallinone =
+ "6:blkio,devices,memory,cpuacct,cpu,cpuset:/";
+
+const char *proccgroupsallinone =
+ "#subsys_name hierarchy num_cgroups enabled\n"
+ "cpuset 6 1 1\n"
+ "cpu 6 1 1\n"
+ "cpuacct 6 1 1\n"
+ "memory 6 1 1\n"
+ "devices 6 1 1\n"
+ "blkio 6 1 1\n";
+
static int make_file(const char *path,
const char *name,
const char *value)
FILE *fopen(const char *path, const char *mode)
{
+ const char *mock;
+ bool allinone = false;
init_syms();
+ mock = getenv("VIR_CGROUP_MOCK_MODE");
+ if (mock && STREQ(mock, "allinone"))
+ allinone = true;
+
if (STREQ(path, "/proc/mounts")) {
if (STREQ(mode, "r")) {
- return fmemopen((void *)procmounts, strlen(procmounts), mode);
+ if (allinone)
+ return fmemopen((void *)procmountsallinone,
+ strlen(procmountsallinone), mode);
+ else
+ return fmemopen((void *)procmounts, strlen(procmounts), mode);
} else {
errno = EACCES;
return NULL;
}
if (STREQ(path, "/proc/cgroups")) {
if (STREQ(mode, "r")) {
- return fmemopen((void *)proccgroups, strlen(proccgroups), mode);
+ if (allinone)
+ return fmemopen((void *)proccgroupsallinone,
+ strlen(proccgroupsallinone), mode);
+ else
+ return fmemopen((void *)proccgroups, strlen(proccgroups), mode);
} else {
errno = EACCES;
return NULL;
}
if (STREQ(path, "/proc/self/cgroup")) {
if (STREQ(mode, "r")) {
- return fmemopen((void *)procselfcgroups, strlen(procselfcgroups), mode);
+ if (allinone)
+ return fmemopen((void *)procselfcgroupsallinone,
+ strlen(procselfcgroupsallinone), mode);
+ else
+ return fmemopen((void *)procselfcgroups, strlen(procselfcgroups), mode);
} else {
errno = EACCES;
return NULL;
[VIR_CGROUP_CONTROLLER_BLKIO] = "/not/really/sys/fs/cgroup/blkio",
[VIR_CGROUP_CONTROLLER_SYSTEMD] = "/not/really/sys/fs/cgroup/systemd",
};
+const char *mountsAllInOne[VIR_CGROUP_CONTROLLER_LAST] = {
+ [VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_CPUACCT] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_CPUSET] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_MEMORY] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_DEVICES] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
+ [VIR_CGROUP_CONTROLLER_BLKIO] = "/not/really/sys/fs/cgroup",
+ [VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
+};
const char *links[VIR_CGROUP_CONTROLLER_LAST] = {
[VIR_CGROUP_CONTROLLER_CPU] = "/not/really/sys/fs/cgroup/cpu",
[VIR_CGROUP_CONTROLLER_DEVICES] = NULL,
[VIR_CGROUP_CONTROLLER_FREEZER] = NULL,
[VIR_CGROUP_CONTROLLER_BLKIO] = NULL,
+ [VIR_CGROUP_CONTROLLER_SYSTEMD] = NULL,
+};
+
+const char *linksAllInOne[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] = NULL,
};
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;
+}
+
+
+
# define FAKESYSFSDIRTEMPLATE abs_builddir "/fakesysfsdir-XXXXXX"
static int
if (virtTestRun("New cgroup for domain partition escaped", 1, testCgroupNewForPartitionDomainEscaped, NULL) < 0)
ret = -1;
+ setenv("VIR_CGROUP_MOCK_MODE", "allinone", 1);
+ if (virtTestRun("New cgroup for self (allinone)", 1, testCgroupNewForSelfAllInOne, NULL) < 0)
+ ret = -1;
+ unsetenv("VIR_CGROUP_MOCK_MODE");
+
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
virFileDeleteTree(fakesysfsdir);