k8s部署nacos集群
2021-03-17
使用RDS(自建数据库)
mysql.host: "rm-demo.mysql.rds.aliyuncs.com"
mysql.db.name: "nacos"
mysql.port: "3306"
mysql.user: "nacos"
mysql.password: "nacos@Demo"
初始化数据库
wget https://raw.githubusercontent.com/alibaba/nacos/master/distribution/conf/nacos-mysql.sql
[mysql]>source nacos-mysql.sql;
使用nacos-k8s部署nacos
git clone https://github.com/nacos-group/nacos-k8s.git
cd nacos-k8s/deploy/nacos
编辑nacos-no-pvc-ingress.yaml
###使用自建数据库;使用Ingress发布配置后台###
---
apiVersion: v1
kind: Service
metadata:
name: nacos-headless
labels:
app: nacos-headless
spec:
type: ClusterIP
clusterIP: None
ports:
- port: 8848
name: server
targetPort: 8848
- port: 7848
name: rpc
targetPort: 7848
clusterIP: None
selector:
app: nacos
---
apiVersion: v1
kind: ConfigMap
metadata:
name: nacos-cm
data:
mysql.host: "rm-demo.mysql.rds.aliyuncs.com"
mysql.db.name: "nacos"
mysql.port: "3306"
mysql.user: "nacos"
mysql.password: "nacos@Demo"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: nacos
spec:
serviceName: nacos-headless
podManagementPolicy: Parallel
replicas: 3
template:
metadata:
labels:
app: nacos
annotations:
pod.alpha.kubernetes.io/initialized: "true"
spec:
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: "app"
operator: In
values:
- nacos
topologyKey: "kubernetes.io/hostname"
containers:
- name: k8snacos
imagePullPolicy: Always
image: nacos/nacos-server:latest
resources:
requests:
memory: "2Gi"
cpu: "500m"
ports:
- containerPort: 8848
name: client
- containerPort: 7848
name: rpc
env:
- name: NACOS_REPLICAS
value: "3"
- name: MYSQL_SERVICE_HOST
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.host
- name: MYSQL_SERVICE_DB_NAME
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.db.name
- name: MYSQL_SERVICE_PORT
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.port
- name: MYSQL_SERVICE_USER
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.user
- name: MYSQL_SERVICE_PASSWORD
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.password
- name: MODE
value: "cluster"
- name: NACOS_SERVER_PORT
value: "8848"
- name: PREFER_HOST_MODE
value: "hostname"
- name: NACOS_SERVERS
value: "nacos-0.nacos-headless.default.svc.cluster.local:8848 nacos-1.nacos-headless.default.svc.cluster.local:8848 nacos-2.nacos-headless.default.svc.cluster.local:8848"
selector:
matchLabels:
app: nacos
---
# ------------------- App Ingress ------------------- #
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nacos-headless
namespace: dev-arch
spec:
rules:
- host: nacos.demo.com
http:
paths:
- path: /
backend:
serviceName: nacos-headless
servicePort: server
kubectl apply -f nacos-no-pvc-ingress.yaml --namespace=dev-arch
访问nacos
Web UI: http://nacos.demo.com/nacos
账号: nacos/nacos
k8s内部服务地址:
nacos-0.nacos-headless.default.svc.cluster.local:8848 nacos-1.nacos-headless.default.svc.cluster.local:8848 nacos-2.nacos-headless.default.svc.cluster.local:8848
查数据验证
curl 'http://nacos.demo.com/nacos/v1/cs/configs?dataId=demo&group=DEFAULT_GROUP'