feat(hydra): add horizontal pod autoscaling

components/oidc-test/kustomization.yaml

@@ -7,7 +7,7 @@ resources:
   - ./resources/oauth2-client.yaml
 
 configMapGenerator:
-  - name: oidc-test-env
+  - name: oidc-test
     literals:
       - LOG_LEVEL=0
       - HTTP_ADDRESS=0.0.0.0:8080

components/oidc-test/resources/deployment.yaml

@@ -24,7 +24,7 @@ spec:
           resources: {}
           envFrom:
           - configMapRef:
-              name: oidc-test-env
+              name: oidc-test
           env:
           - name: OIDC_CLIENT_ID
             valueFrom:

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

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
   

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

resources/hydra/resources/hydra-maester/kustomization.yaml

@@ -2,13 +2,14 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-- ./resources/hydra-maester-deployment.yaml
-- ./resources/hydra-maester-rbac.yaml
+  - ./resources/hydra-maester-deployment.yaml
+  - ./resources/hydra-maester-rbac.yaml
+  - https://raw.githubusercontent.com/ory/k8s/v0.28.2/helm/charts/hydra-maester/crds/crd-oauth2clients.yaml
 
 configMapGenerator:
-- name: hydra-maester-env
-  literals:
-  - APP_ENV=prod
-  - APP_DEBUG=false
-  - HYDRA_ADMIN_BASE_URL=http://hydra
-  - HYDRA_ADMIN_PORT=4445
+  - name: hydra-maester-env
+    literals:
+      - APP_ENV=prod
+      - APP_DEBUG=false
+      - HYDRA_ADMIN_BASE_URL=http://hydra
+      - HYDRA_ADMIN_PORT=4445