[pipeline] Set CAP_SYS_TIME for settimeofday ok in syncd test (sonic-…

…net#1068)

The fix sonic-net#1067 is not enough. If docker user is non-root, set capability CAP_SYS_TIME for settimeofday success in syncd test, then test_watchdog_timer_clock_rollback can be run.

Co-authored-by: junhuazhai <junhuazhai@contoso.com>

.azure-pipelines/build-template.yml

@@ -135,6 +135,8 @@ jobs:
       displayName: "Install gcovr 5.0 with recursive fix"
     - script: |
         set -ex
+        # Add SYS_TIME capability for settimeofday ok in syncd test
+        sudo setcap "cap_sys_time=eip" syncd/.libs/tests
         make check
         gcovr --version
         find SAI/meta -name "*.gc*" | xargs rm -vf

syncd/Makefile.am

@@ -86,6 +86,7 @@ syncd_request_shutdown_LDADD = libSyncdRequestShutdown.a $(top_srcdir)/lib/libSa
 
 tests_SOURCES = tests.cpp
 tests_CXXFLAGS = $(DBGFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS_COMMON)
+tests_LDFLAGS = -Wl,-rpath,$(top_srcdir)/lib/.libs -Wl,-rpath,$(top_srcdir)/meta/.libs
 tests_LDADD = libSyncd.a -lhiredis -lswsscommon -lpthread -L$(top_srcdir)/lib/.libs -lsairedis \
 			  -L$(top_srcdir)/meta/.libs -lsaimetadata -lsaimeta -lzmq $(CODE_COVERAGE_LIBS)
 

syncd/tests.cpp

@@ -820,12 +820,6 @@ void test_watchdog_timer_clock_rollback()
 {
     SWSS_LOG_ENTER();
 
-    if (getuid() != 0)
-    {
-        SWSS_LOG_WARN("this test requires root for set time");
-        return;
-    }
-
     const int64_t WARN_TIMESPAN_USEC = 30 * 1000000;
     const uint8_t ROLLBACK_TIME_SEC = 5;
     const uint8_t LONG_RUNNING_API_TIME_SEC = 3;