ConfigMap 환경변수 연결하기

ConfigMap

apiVersion: v1
kind: ConfigMap
metadata:
  name: kafka-config
  namespace: kafka
data:
  KAFKA_ZOOKEEPER_CONNECT: "zookeeper-0.zookeeper-headless:2181,zookeeper-1.zookeeper-headless:2181,zookeeper-2.zookeeper-headless:2181"
  KAFKA_LISTENERS: "PLAINTEXT://:9092"
  KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "PLAINTEXT:PLAINTEXT"
  KAFKA_INTER_BROKER_LISTENER_NAME: "PLAINTEXT"
  KAFKA_LOG_DIRS: "/var/lib/kafka/data"
  KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: "3"
  KAFKA_DEFAULT_REPLICATION_FACTOR: "3"
  KAFKA_MIN_INSYNC_REPLICAS: "2"

전체 연결

          envFrom:
            - configMapRef:
                name: kafka-config

부분 연결

        env:
        - name: KAFKA_ZOOKEEPER_CONNECT
          valueFrom:
            configMapKeyRef:
              name: kafka-config
              key: KAFKA_ZOOKEEPER_CONNECT