Add method and subpath flags to timetrigger object for triggering a function (#3017)

* Update timetrigger crd and add method and subpath fields in spec.
Update fission-cli to accept user input for method and subpath fields.
Update publisher package to utilize these fields for triggering a function.
Update timer controller to use method and subpath fields for publishing a request.
Add a new test TestPublisherSubpath in pulisher package.

Signed-off-by: Md Soharab Ansari <soharab.ansari@infracloud.io>

* Use kubebuilder default annotation.
Update test for fission-cli timetrigger create, update command to support method and subpath flags.

Signed-off-by: Md Soharab Ansari <soharab.ansari@infracloud.io>

---------

Signed-off-by: Md Soharab Ansari <soharab.ansari@infracloud.io>

pkg/publisher/publisher_test.go

@@ -29,6 +29,28 @@ func TestPublisher(t *testing.T) {
 	}
 
 	wp := MakeWebhookPublisher(logger, s.URL)
-	wp.Publish(ctx, "", map[string]string{"X-Fission-Test": "aaa"}, fnName)
+	wp.Publish(ctx, "", map[string]string{"X-Fission-Test": "aaa"}, http.MethodPost, fnName)
+	time.Sleep(time.Second * 1)
+}
+
+func TestPublisherSubpath(t *testing.T) {
+	subpath := "/api/v1/read"
+	fnName := "test-fn-subpath"
+	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "/"+fnName+subpath, r.URL.Path)
+		assert.Equal(t, "aaa", r.Header.Get("X-Fission-Test"))
+		assert.Contains(t, r.Header, "Traceparent")
+	}))
+
+	ctx := context.Background()
+	logger := loggerfactory.GetLogger()
+	shutdown, err := otelUtils.InitProvider(ctx, logger, fnName)
+	assert.NoError(t, err)
+	if shutdown != nil {
+		defer shutdown(ctx)
+	}
+
+	wp := MakeWebhookPublisher(logger, s.URL)
+	wp.Publish(ctx, "", map[string]string{"X-Fission-Test": "aaa"}, http.MethodGet, fnName+subpath)
 	time.Sleep(time.Second * 1)
 }