Health check

Author: Vikas Agarwal

src/modules/health/controller.js

@@ -0,0 +1,33 @@
+/**
+ * Controller for health check endpoint
+ */
+const models = require('../../models')
+const config = require('config')
+const logger = require('../../common/logger')
+
+// the topcoder-healthcheck-dropin library returns checksRun count,
+// here it follows that to return such count
+let checksRun = 0
+
+/**
+ * Check health of the DB
+ * @param {Object} req the request
+ * @param {Object} res the response
+ */
+async function checkHealth (req, res) {
+  checksRun += 1
+  await models
+    .validate()
+    .then(() => {
+      logger.info({ component: 'HealthCheckController', context: 'checkHealth', message: 'Connection has been established successfully.' })
+    })
+    .catch(err => {
+      logger.logFullError(err, { component: 'HealthCheckController', context: 'checkHealth' })
+      res.status(503)
+    })
+  res.send({ checksRun })
+}
+
+module.exports = {
+  checkHealth
+}

src/modules/health/route.js

@@ -0,0 +1,13 @@
+/**
+ * the skill routes
+ */
+
+const Controller = require('./controller')
+
+module.exports = {
+  '/health': {
+    get: {
+      method: Controller.checkHealth
+    }
+  }
+}