test/jenkins: test --no-resume-on-error

Signed-off-by: Michał Mirosław <emmir@google.com>

test/jenkins/criu-stop.sh

@@ -5,3 +5,4 @@ set -e
 source `dirname $0`/criu-lib.sh
 prep
 ./test/zdtm.py run -t zdtm/transition/fork --stop --iter 3 || fail
+./test/zdtm.py run -t zdtm/static/sigtrap --stop-on-error || fail

test/zdtm.py

@@ -1048,6 +1048,7 @@ def __init__(self, opts):
         self.__user = bool(opts['user'])
         self.__rootless = bool(opts['rootless'])
         self.__leave_stopped = bool(opts['stop'])
+        self.__stop_on_error = bool(opts['stop_on_error'])
         self.__stream = bool(opts['stream'])
         self.__show_stats = bool(opts['show_stats'])
         self.__lazy_pages_p = None
@@ -1383,6 +1384,8 @@ def dump(self, action, opts=[]):
 
         if self.__leave_stopped:
             a_opts += ['--leave-stopped']
+        if self.__stop_on_error:
+            a_opts += ['--no-resume-on-error']
         if self.__empty_ns:
             a_opts += ['--empty-ns', 'net']
         if self.__pre_dump_mode:
@@ -1392,9 +1395,16 @@ def dump(self, action, opts=[]):
         if self.__lazy_migrate and action == "dump":
             a_opts += ["--lazy-pages", "--port", "12345"] + self.__tls
             nowait = True
-        self.__dump_process = self.__criu_act(action,
-                                              opts=a_opts + opts,
-                                              nowait=nowait)
+        try:
+            self.__dump_process = self.__criu_act(action,
+                                                  opts=a_opts + opts,
+                                                  nowait=nowait)
+        except test_fail_expected_exc:
+            if self.__stop_on_error:
+                pstree_check_stopped(self.__test.getpid(), "--no-resume-on-error")
+                pstree_signal(self.__test.getpid(), signal.SIGKILL)
+            raise
+
         if self.__stream:
             ret = self.wait_for_criu_image_streamer()
             if ret:
@@ -1881,10 +1891,10 @@ def is_thread_stopped(status):
     return True
 
 
-def pstree_check_stopped(root_pid):
+def pstree_check_stopped(root_pid, test_flag="--leave_stopped"):
     for pid in pstree_each_pid(root_pid):
         if not is_proc_stopped(pid):
-            raise test_fail_exc("CRIU --leave-stopped %s" % pid)
+            raise test_fail_exc("CRIU %s %s" % (test_flag, pid))
 
 
 def pstree_signal(root_pid, signal):
@@ -2067,7 +2077,7 @@ def run_test(self, name, desc, flavor):
               'dedup', 'sbs', 'freezecg', 'user', 'dry_run', 'noauto_dedup',
               'remote_lazy_pages', 'show_stats', 'lazy_migrate', 'stream',
               'tls', 'criu_bin', 'crit_bin', 'pre_dump_mode', 'mntns_compat_mode',
-              'rootless')
+              'rootless', 'stop_on_error')
         arg = repr((name, desc, flavor, {d: self.__opts[d] for d in nd}))
 
         if self.__use_log:
@@ -2689,6 +2699,9 @@ def get_cli_args():
     rp.add_argument("--stop",
                     help="Check that --leave-stopped option stops ps tree.",
                     action='store_true')
+    rp.add_argument("--stop-on-error",
+                    help="Check that --no-resume-on-error stops ps tree on dump error.",
+                    action='store_true')
     rp.add_argument("--iters",
                     help="Do CR cycle several times before check (n[:pause])")
     rp.add_argument("--fault", help="Test fault injection")