feat: 인프라 네임스페이스 분리 반영 (mariadb, kafka, redis)

- ConfigMap: DB/Redis/Kafka 호스트를 새 NS FQDN으로 변경
- namespace.yml: mariadb, kafka, redis 네임스페이스 추가
- kafka: namespace → kafka, ADVERTISED_LISTENERS 수정
- redis: namespace → redis

Author: mrangjw

k8s/configmap.yml

@@ -9,26 +9,26 @@ data:
   # ---------------------------------------------------------------------------
   # Database
   # ---------------------------------------------------------------------------
-  SPRING_DATASOURCE_HOST: "opentraum-mariadb"
+  SPRING_DATASOURCE_HOST: "opentraum-mariadb.mariadb"
   SPRING_DATASOURCE_PORT: "3306"
   SPRING_DATASOURCE_USERNAME: "opentraum"
-  DB_HOST: "opentraum-mariadb"
+  DB_HOST: "opentraum-mariadb.mariadb"
   DB_PORT: "3306"
   DB_USERNAME: "opentraum"
 
   # ---------------------------------------------------------------------------
   # Redis
   # ---------------------------------------------------------------------------
-  SPRING_DATA_REDIS_HOST: "opentraum-redis"
+  SPRING_DATA_REDIS_HOST: "opentraum-redis.redis"
   SPRING_DATA_REDIS_PORT: "6379"
-  REDIS_HOST: "opentraum-redis"
+  REDIS_HOST: "opentraum-redis.redis"
   REDIS_PORT: "6379"
 
   # ---------------------------------------------------------------------------
   # Kafka
   # ---------------------------------------------------------------------------
-  SPRING_KAFKA_BOOTSTRAP_SERVERS: "opentraum-kafka:9092"
-  KAFKA_BOOTSTRAP_SERVERS: "opentraum-kafka:9092"
+  SPRING_KAFKA_BOOTSTRAP_SERVERS: "opentraum-kafka.kafka:9092"
+  KAFKA_BOOTSTRAP_SERVERS: "opentraum-kafka.kafka:9092"
 
   # ---------------------------------------------------------------------------
   # Service Discovery (internal K8s DNS)

k8s/kafka/service.yml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: opentraum-kafka
-  namespace: opentraum
+  namespace: kafka
   labels:
     app: opentraum-kafka
     app.kubernetes.io/part-of: opentraum

k8s/kafka/statefulset.yml

@@ -2,7 +2,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: opentraum-kafka
-  namespace: opentraum
+  namespace: kafka
   labels:
     app: opentraum-kafka
     app.kubernetes.io/part-of: opentraum
@@ -50,7 +50,7 @@ spec:
             - name: KAFKA_LISTENERS
               value: "PLAINTEXT://:9092,CONTROLLER://:9093"
             - name: KAFKA_ADVERTISED_LISTENERS
-              value: "PLAINTEXT://opentraum-kafka:9092"
+              value: "PLAINTEXT://opentraum-kafka.kafka:9092"
             - name: KAFKA_LISTENER_SECURITY_PROTOCOL_MAP
               value: "CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT"
             - name: KAFKA_CONTROLLER_LISTENER_NAMES

k8s/namespace.yml

@@ -5,3 +5,27 @@ metadata:
   labels:
     app.kubernetes.io/part-of: opentraum
     environment: production
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: mariadb
+  labels:
+    app.kubernetes.io/part-of: opentraum
+    app.kubernetes.io/component: database
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kafka
+  labels:
+    app.kubernetes.io/part-of: opentraum
+    app.kubernetes.io/component: messaging
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: redis
+  labels:
+    app.kubernetes.io/part-of: opentraum
+    app.kubernetes.io/component: cache

k8s/redis/deployment.yml

@@ -2,7 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: opentraum-redis
-  namespace: opentraum
+  namespace: redis
   labels:
     app: opentraum-redis
     app.kubernetes.io/part-of: opentraum

k8s/redis/service.yml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: opentraum-redis
-  namespace: opentraum
+  namespace: redis
   labels:
     app: opentraum-redis
     app.kubernetes.io/part-of: opentraum