feat: add a /health endpoint & use in readiness probe

bcgov · Jan 26, 2021 · ef7c66c · ef7c66c
1 parent ae31e3d
commit ef7c66c
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/app/server/index.js b/app/server/index.js
@@ -270,6 +270,17 @@ app.prepare().then(async () => {
 
   server.use('/print-pdf', await printPdf());
 
+  // Endpoint /health sends a 500 status if there is an error connecting to the database or if the database is in recovery mode (result.rowAsArray === true)
+  server.get('/health', ({res}) => {
+    pgPool.query('SELECT pg_is_in_recovery();', [], (err, result) => {
+      if (err || result.rowAsArray) {
+        res.sendStatus(500);
+      } else {
+        res.sendStatus(200);
+      }
+    });
+  });
+
   server.get('*', async (req, res) => {
     return handle(req, res);
   });

diff --git a/helm/cas-ciip-portal/templates/deploy.yaml b/helm/cas-ciip-portal/templates/deploy.yaml
@@ -80,7 +80,7 @@ spec:
         readinessProbe:
           failureThreshold: 3
           httpGet:
-            path: /
+            path: /health
             port: {{ .Values.port }}
             scheme: HTTP{{ if not .Values.route.insecure }}S{{ end }}
           periodSeconds: 10