Toggle /ping to artificially return unhealthy response on SIGTERM during requestAcceptGraceTimeout interval

integration/basic_test.go

@@ -128,6 +128,10 @@ func (s *SimpleSuite) TestRequestAcceptGraceTimeout(c *check.C) {
 	err = try.GetRequest("http://127.0.0.1:8000/service", 3*time.Second, try.StatusCodeIs(http.StatusOK))
 	c.Assert(err, checker.IsNil)
 
+	// Check that /ping endpoint is responding with 200.
+	err = try.GetRequest("http://127.0.0.1:8001/ping", 3*time.Second, try.StatusCodeIs(http.StatusOK))
+	c.Assert(err, checker.IsNil)
+
 	// Send SIGTERM to Traefik.
 	proc, err := os.FindProcess(cmd.Process.Pid)
 	c.Assert(err, checker.IsNil)
@@ -143,6 +147,12 @@ func (s *SimpleSuite) TestRequestAcceptGraceTimeout(c *check.C) {
 	defer resp.Body.Close()
 	c.Assert(resp.StatusCode, checker.Equals, http.StatusOK)
 
+	// ping endpoint should now return a Service Unavailable.
+	resp, err = http.Get("http://127.0.0.1:8001/ping")
+	c.Assert(err, checker.IsNil)
+	defer resp.Body.Close()
+	c.Assert(resp.StatusCode, checker.Equals, http.StatusServiceUnavailable)
+
 	// Expect Traefik to shut down gracefully once the request accepting grace
 	// period has elapsed.
 	waitErr := make(chan error)

integration/fixtures/reqacceptgrace.toml

@@ -6,6 +6,9 @@ logLevel = "DEBUG"
   [entryPoints.http]
   address = ":8000"
 
+  [entryPoints.traefik]
+  address = ":8001"
+
 [lifeCycle]
   requestAcceptGraceTimeout = "10s"
 
@@ -20,3 +23,5 @@ logLevel = "DEBUG"
   backend = "backend"
     [frontends.frontend.routes.service]
     rule = "Path:/service"
+
+[ping]