healthcheck endpoint (#998)

Co-authored-by: Igor Rzegocki <igor@rzegocki.pl>
Reviewed-on: vikunja/api#998
Reviewed-by: konrad <k@knt.li>
Co-authored-by: ajgon <vikunja-gitea@ajgon.ovh>
Co-committed-by: ajgon <vikunja-gitea@ajgon.ovh>

pkg/integrations/healthcheck_test.go

@@ -0,0 +1,33 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package integrations
+
+import (
+	"net/http"
+	"testing"
+
+	"code.vikunja.io/api/pkg/routes"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHealthcheck(t *testing.T) {
+	t.Run("healthcheck", func(t *testing.T) {
+		rec, err := newTestRequest(t, http.MethodGet, routes.HealthcheckHandler, ``, nil, nil)
+		assert.NoError(t, err)
+		assert.Contains(t, rec.Body.String(), "OK")
+	})
+}

pkg/routes/healthcheck.go

@@ -0,0 +1,28 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package routes
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+// HealthcheckHandler handles healthckeck 'OK' response
+func HealthcheckHandler(c echo.Context) error {
+	return c.String(http.StatusOK, "OK")
+}

pkg/routes/routes.go

@@ -198,6 +198,9 @@ func RegisterRoutes(e *echo.Echo) {
 		registerCalDavRoutes(c)
 	}
 
+	// healthcheck
+	e.GET("/health", HealthcheckHandler)
+
 	// CORS_SHIT
 	if config.CorsEnable.GetBool() {
 		e.Use(middleware.CORSWithConfig(middleware.CORSConfig{