1 k8s 部署nacos-2.1.2配置k8s-nacos-statefulSet.yaml文件
apiVersion: v1
kind: Service
metadata:
name: nacos-headless
namespace: rz-dt
labels:
app: nacos
annotations:
service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
spec:
# 3个端口打开,否则外网应用连接不上k8s里面的nacos
ports:
- protocol: TCP
port: 8848
name: server
targetPort: 8848
- protocol: TCP
port: 9848
name: client-rpc
targetPort: 9848
- protocol: TCP
port: 9849
name: server-rpc
targetPort: 9849
clusterIP: None
selector:
app: nacos
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: nacos
namespace: rz-dt
spec:
serviceName: nacos-headless
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-headless
topologyKey: "kubernetes.io/hostname"
nodeSelector:
rz_dt_nacos_node: rz-dt-nacos
containers:
- name: k8snacos
imagePullPolicy: Always
#v2.1.2可以重启nacos服务自动注册 2.0.3 不会自动注册服务 对应库nacos_config
image: nacos/nacos-server:v2.1.2
resources:
limits:
cpu: 900m
memory: 2Gi
requests:
cpu: 10m
memory: 50Mi
ports:
- containerPort: 8848
name: client-port
- containerPort: 9848
name: client-grpc
- containerPort: 9849
name: server-grpc
#环境变量配置
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: NACOS_APPLICATION_PORT
value: "9848"
- name: NACOS_APPLICATION_PORT
value: "9849"
- name: PREFER_HOST_MODE
value: "hostname"
- name: NACOS_SERVERS
value: "nacos-0.nacos-headless.rz-dt.svc.cluster.local:8848 nacos-1.nacos-headless.rz-dt.svc.cluster.local:8848 nacos-2.nacos-headless.rz-dt.svc.cluster.local:8848"
selector:
matchLabels:
app: nacos
---
apiVersion: v1
kind: Service
metadata:
name: nacos-service
namespace: rz-dt
annotations:
nginx.ingress.kubernetes.io/affinity: "true"
nginx.ingress.kubernetes.io/session-cookie-name: backend
nginx.ingress.kubernetes.io/load-balancer-method: drr
spec:
selector:
app: nacos
# 3个端口打开,否则外网应用连接不上k8s里面的nacos
ports:
- name: nacos-headless
protocol: TCP
port: 8848
targetPort: 8848
nodePort: 30048
- name: nacos-rpc
protocol: TCP
port: 9848
targetPort: 9848
nodePort: 31048
- name: nacos-grpc
protocol: TCP
port: 9849
targetPort: 9849
nodePort: 31049
type: NodePort
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nacos-web
namespace: rz-dt
spec:
rules:
- host: nacos.real.com.cn
http:
paths:
- path: /nacos
backend:
serviceName: nacos-service
servicePort: 8848
---
apiVersion: v1
kind: ConfigMap
metadata:
name: nacos-cm
namespace: rz-dt
data:
mysql.host: "rm-uf6c2o6h7hg.mysql.rds.aliyuncs.com"
mysql.db.name: "nacos_config"
mysql.port: "3306"
mysql.user: "real"
mysql.password: "1234"
2 k8s 一键部署脚本 test.sh
echo "开始制作镜像..."
image_name=k8s-nacos-statefulSet
echo "k8s一键部署"
export IMG_NAME=${image_name}
envsubst < ${image_name}.yaml | kubectl --kubeconfig ~/.kube-rz/config apply -f -
3 springcloud 微服务中配置nacos地址properties
server.port=8090
logging.level.org.springframework.cloud.sleuth=info
spring.application.name=k8s-springboot-demo
#spring.profiles.active=dev
spring.sleuth.enabled=true
spring.sleuth.reactor.instrumentation-type=decorate_on_each
#spring.config.activate.on-profile=dev
#spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
#spring.cloud.nacos.config.server-addr=127.0.0.1:8848
#spring.cloud.nacos.config.file-extension=yml
#spring.cloud.nacos.config.shared-configs[0]=realize-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
#spring.cloud.sentinel.eager=true
#spring.cloud.sentinel.transport.dashboard=127.0.0.1:8718
#spring.cloud.sentinel.datasource.ds1.nacos.server-addr=127.0.0.1:8848
#spring.cloud.sentinel.datasource.ds1.nacos.dataId=sentinel-application-gateway
#spring.cloud.sentinel.datasource.ds1.nacos.groupId=DEFAULT_GROUP
#spring.cloud.sentinel.datasource.ds1.nacos.data-type=json
#spring.cloud.sentinel.datasource.ds1.nacos.rule-type=flow
#spring.config.activate.on-profile=server
# nacos访问地址 服务名.命名空间:服务端口号
spring.cloud.nacos.discovery.server-addr=nacos-service.rz-dt:8848
#spring.cloud.nacos.discovery.server-addr=nacos-0.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-1.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-2.nacos-headless.rz-dt.svc.cluster.local:8848
spring.cloud.nacos.discovery.metadata.preserved.heart.beat.interval=1000
spring.cloud.nacos.discovery.metadata.preserved.heart.beat.timeout=3000
spring.cloud.nacos.discovery.metadata.preserved.ip.delete.timeout=3000
# nacos访问地址 服务名.命名空间:服务端口号
spring.cloud.nacos.config.server-addr=nacos-service.rz-dt:8848
#spring.cloud.nacos.config.server-addr=nacos-0.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-1.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-2.nacos-headless.rz-dt.svc.cluster.local:8848
spring.cloud.nacos.config.file-extension=yml
spring.cloud.nacos.config.shared-configs[0]=realize-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
spring.cloud.sentinel.eager=true
spring.cloud.sentinel.transport.dashboard=127.0.0.1:8718
spring.cloud.sentinel.datasource.ds1.nacos.server-addr=nacos-service.rz-dt:8848
#spring.cloud.sentinel.datasource.ds1.nacos.server-addr=nacos-0.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-1.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-2.nacos-headless.rz-dt.svc.cluster.local:8848
spring.cloud.sentinel.datasource.ds1.nacos.dataId=sentinel-application-gateway
spring.cloud.sentinel.datasource.ds1.nacos.groupId=DEFAULT_GROUP
spring.cloud.sentinel.datasource.ds1.nacos.data-type=json
spring.cloud.sentinel.datasource.ds1.nacos.rule-type=flow
springcloud 微服务中配置nacos地址yaml
logging:
level:
org:
springframework:
cloud:
sleuth: info
server:
port: 8090
spring:
application:
name: k8s-springboot-demo
cloud:
nacos:
config:
file-extension: yml
# nacos访问地址 服务名.命名空间:服务端口号
#spring.cloud.nacos.discovery.server-addr=nacos-0.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-1.nacos-headless.rz-dt.svc.cluster.local:8848,nacos-2.nacos-headless.rz-dt.svc.cluster.local:8848
server-addr: nacos-service.rz-dt:8848
shared-configs:
- realize-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
discovery:
metadata:
preserved:
heart:
beat:
interval: 1000
timeout: 3000
ip:
delete:
timeout: 3000
server-addr: nacos-service.rz-dt:8848
sentinel:
datasource:
ds1:
nacos:
data-type: json
dataId: sentinel-application-gateway
groupId: DEFAULT_GROUP
rule-type: flow
server-addr: nacos-service.rz-dt:8848
eager: true
transport:
dashboard: 127.0.0.1:8718
sleuth:
enabled: true
reactor:
instrumentation-type: decorate_on_each
4 k8s 里面nacos截图