From 4da17abe2422e30c4194fb43c4fd89a8f787a236 Mon Sep 17 00:00:00 2001
From: Vigneshraj Sekar Babu <vignesh.raj47@gmail.com>
Date: Tue, 27 Oct 2026 15:52:29 -0700
Subject: [PATCH] fix(native-helm): mark deploy job pods safe-to-evict false

---
 .../kubernetes/__tests__/jobFactory.test.ts   | 35 +++++++++++++++++++
 src/server/lib/kubernetes/jobFactory.ts       |  3 ++
 2 files changed, 38 insertions(+)
 create mode 100644 src/server/lib/kubernetes/__tests__/jobFactory.test.ts

diff --git a/src/server/lib/kubernetes/__tests__/jobFactory.test.ts b/src/server/lib/kubernetes/__tests__/jobFactory.test.ts
new file mode 100644
index 00000000..87ec0a70
--- /dev/null
+++ b/src/server/lib/kubernetes/__tests__/jobFactory.test.ts
@@ -0,0 +1,35 @@
+/**
+ * Copyright 2025 GoodRx, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { createHelmJob } from '../jobFactory';
+
+describe('createHelmJob', () => {
+  it('marks the deploy pod as not safe to evict by the cluster autoscaler', () => {
+    const job = createHelmJob({
+      name: 'helm-deploy-api',
+      namespace: 'preview-123',
+      serviceAccount: 'helm-runner',
+      serviceName: 'api',
+      buildUUID: 'build-123',
+      isStatic: false,
+      containers: [{ name: 'helm', image: 'alpine/helm:3.15.4' }],
+    });
+
+    expect(job.spec?.template.metadata?.annotations).toEqual({
+      'cluster-autoscaler.kubernetes.io/safe-to-evict': 'false',
+    });
+  });
+});
diff --git a/src/server/lib/kubernetes/jobFactory.ts b/src/server/lib/kubernetes/jobFactory.ts
index f7f124b0..4046d862 100644
--- a/src/server/lib/kubernetes/jobFactory.ts
+++ b/src/server/lib/kubernetes/jobFactory.ts
@@ -243,6 +243,9 @@ export function createHelmJob(config: HelmJobConfig): V1Job {
     timeout,
     ttl,
     labels,
+    podAnnotations: {
+      'cluster-autoscaler.kubernetes.io/safe-to-evict': 'false',
+    },
     initContainers,
     containers,
     volumes: config.volumes || [{ name: 'helm-workspace', emptyDir: {} }],