官网文档：https://nacos.io/zh-cn/docs/use-nacos-with-kubernetes.html
部署数据库
@H_502_7@1，数据库是NFS做数据化存储（或者CBS都可以）
注意点： 镜像要使用nacos提供的数据库nacos/nacos-MysqL:5.7，自带的数据库创建完成后相关库和数据都已经导入
apiVersion: apps/v1
kind: Deployment
Metadata:
generation: 1
labels:
k8s-app: nacos-MysqL
qcloud-app: nacos-MysqL
name: nacos-MysqL
namespace: nacos
spec:
replicas: 1
selector:
matchLabels:
k8s-app: nacos-MysqL
qcloud-app: nacos-MysqL
template:
Metadata:
labels:
k8s-app: nacos-MysqL
qcloud-app: nacos-MysqL
spec:
containers:
- env:
- name: MysqL_ROOT_PASSWORD
value: root
- name: MysqL_DATABASE
value: nacos
- name: MysqL_USER
value: nacos
- name: MysqL_PASSWORD
value: nacos
image: nacos/nacos-MysqL:5.7
imagePullPolicy: IfNotPresent
name: MysqL
resources:
limits:
cpu: 500m
memory: 1Gi
requests:
cpu: 250m
memory: 256Mi
securityContext:
privileged: false
volumeMounts:
- mountPath: /var/lib/MysqL
name: MysqL-data
dnsPolicy: ClusterFirst
imagePullSecrets:
- name: qcloudregistrykey
restartPolicy: Always
volumes:
- name: MysqL-data
nfs:
path: /nacos
server: 192.168.1.6
---
apiVersion: v1
kind: Service
Metadata:
name: nacos-MysqL
namespace: nacos
labels:
name: nacos-MysqL
spec:
ports:
- port: 3306
targetPort: 3306
selector:
k8s-app: nacos-MysqL
qcloud-app: nacos-MysqL验证数据库可用性：
[root@VM-0-17-tlinux ~/nacos]# MysqL -h172.18.250.54 -unacos -pnacos
MysqL [(none)]> show databases;
+--------------------+
| Database |
+--------------------+
| @R_648_4045@ion_schema |
| nacos |
+--------------------+
2 rows in set (0.01 sec)
MysqL [(none)]> use nacos
Reading table @R_648_4045@ion for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
MysqL [nacos]> show tables;
+----------------------+
| Tables_in_nacos |
+----------------------+
| config_info |
| config_info_aggr |
| config_info_beta |
| config_info_tag |
| config_tags_relation |
| group_capacity |
| his_config_info |
| permissions |
| roles |
| tenant_capacity |
| tenant_info |
| users |
+----------------------+
12 rows in set (0.00 sec)
@H_502_7@部署nacos
apiVersion: v1
kind: ConfigMap
Metadata:
name: nacos-cm
namespace: nacos
data:
MysqL.host: "172.18.253.36" #如果是K8S集群内数据库，可以使用服务名称
MysqL.db.name: "nacos" #上面创建数据库是指的的库名称
MysqL.port: "3306" #端口
MysqL.user: "nacos" #用户
MysqL.password: "nacos" #用户密码@H_502_7@2，创建nacos-headless 用于集群之间的链接
apiVersion: v1
kind: Service
Metadata:
name: nacos-headless
namespace: nacos
labels:
app: nacos
annotations:
service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
spec:
ports:
- port: 8848
name: server
targetPort: 8848
clusterIP: None
selector:
app: nacos
@H_502_7@3，部署nacos服务
apiVersion: apps/v1
kind: StatefulSet
Metadata:
name: nacos
namespace: nacos
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
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
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.nacos.svc.cluster.local:8848 nacos-1.nacos-headless.nacos.svc.cluster.local:8848 nacos-2.nacos-headless.nacos.svc.cluster.local:8848"
selector:
matchLabels:
app: nacos
@H_502_7@4，创建公网类型CLB的service（可选）
apiVersion: v1
kind: Service
Metadata:
annotations:
service.kubernetes.io/service.extensiveParameters: '{"AddressIPVersion":"IPV4","ZoneId":"ap-chongqing-1"}'
name: nacos
namespace: nacos
spec:
externalTrafficPolicy: Cluster
ports:
- name: 8848-8848-tcp
port: 8848
protocol: TCP
targetPort: 8848
selector:
app: nacos
sessionAffinity: None
type: LoadBalancer
@H_502_7@5，创建公网访问的ingress（可选）
apiVersion: networking.k8s.io/v1beta1
kind: Ingress
Metadata:
annotations:
ingress.cloud.tencent.com/direct-access: "false"
name: nacos-ingress
namespace: nacos
spec:
rules:
- host: nacos.dev.cc
http:
paths:
- backend:
serviceName: nacos
servicePort: 8848
path: /nacos@H_502_7@nacos使用
@H_502_7@1，使用service访问 或者ingress进行访问
以上安装仅供参考，具体可以参考nacos官方文档介绍https://nacos.io/zh-cn/docs/use-nacos-with-kubernetes.html
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