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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2017-02-22 19:57:11 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2017-02-22 19:58:06 -0500
commit0a05dcc09dd723dcf017bf42432d33e58ec56a1d (patch)
tree6ef736064b71f7dac16f8ff97ebb60a4edad37a7 /src
parentc19739db9ec705b4afdad32301e8750b5e02c7d3 (diff)
test-cgroup-util: add a "test" to print out cg_is_*_wanted() values
This isn't terribly useful because /sys/fs/cgroup will usually be mounted. But it at least allows checking if the values make sense in this case.
Diffstat (limited to 'src')
-rw-r--r--src/test/test-cgroup-util.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/test-cgroup-util.c b/src/test/test-cgroup-util.c
index c60fb631fa..30cd463722 100644
--- a/src/test/test-cgroup-util.c
+++ b/src/test/test-cgroup-util.c
@@ -18,11 +18,13 @@
***/
#include "alloc-util.h"
+#include "build.h"
#include "cgroup-util.h"
#include "dirent-util.h"
#include "fd-util.h"
#include "format-util.h"
#include "parse-util.h"
+#include "proc-cmdline.h"
#include "process-util.h"
#include "stat-util.h"
#include "string-util.h"
@@ -332,7 +334,49 @@ static void test_fd_is_cgroup_fs(void) {
fd = safe_close(fd);
}
+static void test_is_wanted_print(bool header) {
+ _cleanup_free_ char *cmdline = NULL;
+
+ log_info("-- %s --", __func__);
+ assert_se(proc_cmdline(&cmdline) >= 0);
+ log_info("cmdline: %s", cmdline);
+ if (header) {
+
+ log_info(_CGROUP_HIEARCHY_);
+ (void) system("findmnt -n /sys/fs/cgroup");
+ }
+
+ log_info("is_unified_wanted() → %s", yes_no(cg_is_unified_wanted()));
+ log_info("is_hybrid_wanted() → %s", yes_no(cg_is_hybrid_wanted()));
+ log_info("is_legacy_wanted() → %s", yes_no(cg_is_legacy_wanted()));
+ log_info(" ");
+}
+
+static void test_is_wanted(void) {
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0 "
+ "systemd.legacy_systemd_cgroup_controller", 1) >= 0);
+ test_is_wanted_print(false);
+
+ assert_se(setenv("SYSTEMD_PROC_CMDLINE",
+ "systemd.unified_cgroup_hierarchy=0 "
+ "systemd.legacy_systemd_cgroup_controller=0", 1) >= 0);
+ test_is_wanted_print(false);
+}
+
int main(void) {
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
test_path_decode_unit();
test_path_get_unit();
test_path_get_user_unit();
@@ -349,6 +393,9 @@ int main(void) {
TEST_REQ_RUNNING_SYSTEMD(test_mask_supported());
TEST_REQ_RUNNING_SYSTEMD(test_is_cgroup_fs());
TEST_REQ_RUNNING_SYSTEMD(test_fd_is_cgroup_fs());
+ test_is_wanted_print(true);
+ test_is_wanted_print(false); /* run twice to test caching */
+ test_is_wanted();
return 0;
}