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

@@ -17,23 +17,23 @@ spec:
         app.kubernetes.io/name: oidc-test
     spec:
       containers:
-      - image: reg.cadoles.com/cadoles/oidc-test:2023.12.6-stable.1502.ebfd504
-        name: oidc-test
-        ports:
-        - containerPort: 8080
-        resources: {}
-        envFrom:
-        - configMapRef:
-            name: oidc-test-env
-        env:
-        - name: OIDC_CLIENT_ID
-          valueFrom:
-            secretKeyRef:
-              name: oidc-test-oauth2-client
-              key: CLIENT_ID
-        - name: OIDC_CLIENT_SECRET
-          valueFrom:
-            secretKeyRef:
-              name: oidc-test-oauth2-client
-              key: CLIENT_SECRET
+        - image: reg.cadoles.com/cadoles/oidc-test:2023.12.6-stable.1502.ebfd504
+          name: oidc-test
+          ports:
+            - containerPort: 8080
+          resources: {}
+          envFrom:
+          - configMapRef:
+              name: oidc-test
+          env:
+          - name: OIDC_CLIENT_ID
+            valueFrom:
+              secretKeyRef:
+                name: oidc-test-oauth2-client
+                key: client_id
+          - name: OIDC_CLIENT_SECRET
+            valueFrom:
+              secretKeyRef:
+                name: oidc-test-oauth2-client
+                key: client_secret
       restartPolicy: Always

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

@@ -2,14 +2,14 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-- ./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
+  - ./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

resources/hydra/resources/hydra-maester/resources/hydra-maester-deployment.yaml

@@ -1,3 +1,4 @@
+---
 # Source: hydra/charts/hydra-maester/templates/deployment.yaml
 apiVersion: apps/v1
 kind: Deployment
@@ -6,7 +7,7 @@ metadata:
   labels:
     app.kubernetes.io/name: hydra-maester
     app.kubernetes.io/instance: hydra-master
-    app.kubernetes.io/version: "v0.0.32"
+    app.kubernetes.io/version: "v0.0.23"
 spec:
   replicas: 1
   revisionHistoryLimit: 10
@@ -24,31 +25,32 @@ spec:
       annotations:
     spec:
       containers:
-      - name: hydra-maester
-        image: reg.cadoles.com/proxy_cache/oryd/hydra-maester:v0.0.32-amd64
-        imagePullPolicy: IfNotPresent
-        envFrom:
-        - configMapRef:
-            name: hydra-maester-env
-        command:
-        - /manager
-        args:
-        - --metrics-addr=127.0.0.1:8080
-        - --hydra-url=$(HYDRA_ADMIN_BASE_URL)
-        - --hydra-port=$(HYDRA_ADMIN_PORT)
-        - --endpoint=/admin/clients
-        resources: {}
-        terminationMessagePath: /dev/termination-log
-        terminationMessagePolicy: File
-        securityContext:
-          allowPrivilegeEscalation: false
-          capabilities:
-            drop:
-            - ALL
-          privileged: false
-          readOnlyRootFilesystem: true
-          runAsNonRoot: true
-          runAsUser: 1000
+        - name: hydra-maester
+          image: reg.cadoles.com/proxy_cache/oryd/hydra-maester:v0.0.25
+          imagePullPolicy: IfNotPresent
+          envFrom:
+            - configMapRef:
+                name: hydra-maester-env
+          command:
+            - /manager
+          args:
+            - --metrics-addr=127.0.0.1:8080
+            - --hydra-url=$(HYDRA_ADMIN_BASE_URL)
+            - --hydra-port=$(HYDRA_ADMIN_PORT)
+            - --endpoint=/admin/clients
+          resources:
+            {}
+          terminationMessagePath: /dev/termination-log
+          terminationMessagePolicy: File
+          securityContext:
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+              - ALL
+            privileged: false
+            readOnlyRootFilesystem: true
+            runAsNonRoot: true
+            runAsUser: 1000
       serviceAccountName: hydra-maester-account
       automountServiceAccountToken: true
       nodeSelector: