add n8n deployment, update pgcat with n8n pool

n8n/deployment.yaml

@@ -0,0 +1,56 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: n8n
+  labels:
+    app: n8n
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: n8n
+  template:
+    metadata:
+      labels:
+        app: n8n
+    spec:
+      containers:
+      - name: n8n
+        image: n8nio/n8n:latest
+        ports:
+        - containerPort: 5678
+        env:
+        - name: DB_TYPE
+          value: postgresdb
+        - name: DB_POSTGRESDB_HOST
+          value: pgcat.tools.svc.cluster.local
+        - name: DB_POSTGRESDB_PORT
+          value: "6432"
+        - name: DB_POSTGRESDB_DATABASE
+          value: n8n
+        - name: DB_POSTGRESDB_USER
+          value: n8n
+        - name: DB_POSTGRESDB_PASSWORD
+          value: n8n
+        - name: N8N_HOST
+          value: n8n.inouter.com
+        - name: N8N_PROTOCOL
+          value: https
+        - name: WEBHOOK_URL
+          value: https://n8n.inouter.com/
+        - name: GENERIC_TIMEZONE
+          value: Asia/Seoul
+        volumeMounts:
+        - name: data
+          mountPath: /home/node/.n8n
+        resources:
+          requests:
+            cpu: 100m
+            memory: 256Mi
+          limits:
+            cpu: "1"
+            memory: 1Gi
+      volumes:
+      - name: data
+        persistentVolumeClaim:
+          claimName: n8n-data

n8n/ingress.yaml

@@ -0,0 +1,23 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: n8n
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+spec:
+  ingressClassName: traefik
+  rules:
+  - host: n8n.inouter.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: n8n
+            port:
+              number: 5678
+  tls:
+  - hosts:
+    - n8n.inouter.com
+    secretName: wildcard-inouter-com-tls

n8n/pvc.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: n8n-data
+spec:
+  accessModes:
+  - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 5Gi

n8n/service.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: n8n
+spec:
+  selector:
+    app: n8n
+  ports:
+  - port: 5678
+    targetPort: 5678

pgcat/configmap.yaml

@@ -64,3 +64,24 @@ data:
       ["10.100.3.185", 5432, "replica"],
       ["10.100.1.83", 5432, "replica"]
     ]
+
+    [pools.n8n]
+    pool_mode = "transaction"
+    default_role = "primary"
+    query_parser_enabled = false
+    query_parser_read_write_splitting = false
+    primary_reads_enabled = true
+    load_balancing_mode = "random"
+
+    [pools.n8n.users.0]
+    username = "n8n"
+    password = "n8n"
+    pool_size = 10
+    min_pool_size = 2
+    server_lifetime = 86400000
+
+    [pools.n8n.shards.0]
+    database = "n8n"
+    servers = [
+      ["10.100.2.5", 5432, "primary"]
+    ]