kubernetes-mysql-ex
퍼시스턴트 볼륨을 이용한 mysql 띄우기
Mysql 용 시크릿 키 생성
주의할점 : base64로 encoding된 값을 넣어줘야한다.
apiVersion: v1
kind: Secret
metadata:
name: mysql-secret
type: Opaque
data:
password: aGtzMTM1Nzk= # hks13579
Mysql 용 컨피그 맵 생성
apiVersion: v1
kind: ConfigMap
metadata:
name: mysql-config
data:
host: "localhost"
port: "3306"
database: "jwt_security"
user: "root"
Mysql 용 PV, PVC 생성
apiVersion: v1
kind: PersistentVolume
metadata:
name: mysql-pv
spec:
capacity:
storage: 5Gi # 용량 설정
accessModes:
- ReadWriteOnce # ReadWriteMany 같은 옵션도 존재함. (Many는 여러명 접근가능)
persistentVolumeReclaimPolicy: Retain # Pod가 종료되어도 유지하겠다.
storageClassName: standard # 스토리지 클래스이름
hostPath: # 어디에 데이터를 저장할지
path: /home/master/mysql_data
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: mysql-pvc
spec:
accessModes:
- ReadWriteOnce
storageClassName: standard
resources:
requests:
storage: 5Gi
Service, Deployment 생성
apiVersion: v1
kind: Service
metadata:
name: mysql-service
spec:
selector:
app: mysql
ports:
- protocol: TCP
port: 3306
name: mysql
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: mysql-deploy
spec:
replicas: 2
selector:
matchLabels:
app: mysql
strategy:
type: Recreate
template:
metadata:
labels:
app: mysql
spec:
containers:
- name: mysql
image: mysql:8.0.33
imagePullPolicy: Always
env:
- name: MYSQL_HOST
value: localhost
- name: MYSQL_PORT
value: "3306"
- name: MYSQL_ROOT_PASSWORD
valueFrom:
secretKeyRef:
name: mysql-secret
key: password
- name: MYSQL_DATABASE
valueFrom:
configMapKeyRef:
name: mysql-config
key: database
ports:
- containerPort: 3306
name: mysql
volumeMounts:
- name: mysql-config # volume 이름
mountPath: /etc/mysql/conf.d/default_auth.cnf
subPath: default_auth # config 이름
- name: mysql-pvc
mountPath: /var/lib/mysql
volumes:
- name: mysql-config
configMap:
name: mysql-config
items:
- key: "database"
path: "database"
- key: "default_auth"
path: "default_auth"
- name: mysql-pvc
persistentVolumeClaim:
claimName: mysql-pvc