From 4cbc6c3972f6506c9614a8cef33370d9b5f5d338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laurent=20Gourv=C3=A9nec?= <lgourvenec@cadoles.com>
Date: Mon, 11 Dec 2023 16:48:50 +0100
Subject: [PATCH] feat(hydra): add horizontal pod autoscaling

---
 resources/hydra/kustomization.yaml            |  1 +
 .../hydra/resources/hydra-deployment.yaml     |  5 +++-
 resources/hydra/resources/hydra-hpa.yaml      | 26 +++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 resources/hydra/resources/hydra-hpa.yaml

diff --git a/resources/hydra/kustomization.yaml b/resources/hydra/kustomization.yaml
index 34b8a16..666262d 100644
--- a/resources/hydra/kustomization.yaml
+++ b/resources/hydra/kustomization.yaml
@@ -10,6 +10,7 @@ resources:
   - ./resources/hydra-migrate-job.yaml
   - ./resources/hydra-maester
   - ./resources/hydra-janitor-cronjob.yaml
+  - ./resources/hydra-hpa.yaml
 
 secretGenerator:
   - name: hydra-secret
diff --git a/resources/hydra/resources/hydra-deployment.yaml b/resources/hydra/resources/hydra-deployment.yaml
index bf15af4..f8b939c 100644
--- a/resources/hydra/resources/hydra-deployment.yaml
+++ b/resources/hydra/resources/hydra-deployment.yaml
@@ -55,6 +55,9 @@ spec:
               name: hydra-public
             - containerPort: 4445
               name: hydra-admin
-          resources: {}
+          resources:
+            requests:
+              cpu: 100m
+              memory: 128Mi
       restartPolicy: Always
   
diff --git a/resources/hydra/resources/hydra-hpa.yaml b/resources/hydra/resources/hydra-hpa.yaml
new file mode 100644
index 0000000..17479d2
--- /dev/null
+++ b/resources/hydra/resources/hydra-hpa.yaml
@@ -0,0 +1,26 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: hydra
+  labels:
+    io.kompose.service: hydra
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: hydra
+  minReplicas: 1
+  maxReplicas: 3
+  metrics:
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 80
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 80