Update liveness/readiness probe with an endpoint without auth. (#543)

Author: cfchase

backend/src/routes/api/health/healthUtils.ts

@@ -0,0 +1,13 @@
+import { KubeFastifyInstance } from '../../../types';
+import { createCustomError } from '../../../utils/requestUtils';
+
+export const health = async (fastify: KubeFastifyInstance): Promise<{ health: string }> => {
+  const kubeContext = fastify.kube?.currentContext || '';
+  if (!kubeContext && !kubeContext.trim()) {
+    const error = createCustomError('failed to get kube status', 'Failed to get Kube context', 503);
+    fastify.log.error(error, 'failed to get status');
+    throw error;
+  } else {
+    return { health: 'ok' };
+  }
+};

backend/src/routes/api/health/index.ts

@@ -0,0 +1,9 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from 'fastify';
+import { health } from './healthUtils';
+
+export default async (fastify: FastifyInstance): Promise<void> => {
+  // Unsecured route for health check
+  fastify.get('/', async (request: FastifyRequest, reply: FastifyReply) => {
+    return health(fastify);
+  });
+};

manifests/base/deployment.yaml

@@ -39,18 +39,16 @@ spec:
             cpu: 1000m
             memory: 2Gi
         livenessProbe:
-          httpGet:
-            path: /api/config
+          tcpSocket:
             port: 8080
-            scheme: HTTP
           initialDelaySeconds: 30
           timeoutSeconds: 15
           periodSeconds: 30
           successThreshold: 1
           failureThreshold: 3
         readinessProbe:
           httpGet:
-            path: /api/config
+            path: /api/health
             port: 8080
             scheme: HTTP
           initialDelaySeconds: 30