BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH

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官网文档2.X

Kubernetes Nacos

Nacos镜像： nacos/nacos-server:latest

我按照官方文档执行到

验证Nacos节点启动成功

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

然后pods一直重启,查看pod日志

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

这个参数怎么会少呢？

启动pod的Yaml文件

---
apiVersion: v1
kind: Service
metadata:
  name: nacos-headless
  labels:
    app: nacos
spec:
  publishNotReadyAddresses: true 
  ports:
    - port: 8848
      name: server
      targetPort: 8848
    - port: 9848
      name: client-rpc
      targetPort: 9848
    - port: 9849
      name: raft-rpc
      targetPort: 9849
    ## 兼容1.4.x版本的选举端口
    - port: 7848
      name: old-raft-rpc
      targetPort: 7848
  clusterIP: None
  selector:
    app: nacos
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nacos-cm
data:
  mysql.host: "10.110.240.135"
  mysql.db.name: "nacos_devtest"
  mysql.port: "3306"
  mysql.user: "nacos"
  mysql.password: "nacos"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nacos
spec:
  podManagementPolicy: Parallel
  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"
      serviceAccountName: nfs-client-provisioner
      initContainers:
        - name: peer-finder-plugin-install
          image: nacos/nacos-peer-finder-plugin:1.1
          imagePullPolicy: Always
          volumeMounts:
            - mountPath: /home/nacos/plugins/peer-finder
              name: data
              subPath: peer-finder
      containers:
        - name: nacos
          imagePullPolicy: Always
          image: nacos/nacos-server:latest
          resources:
            requests:
              memory: "200m"
              cpu: "500m"
          ports:
            - containerPort: 8848
              name: client-port
            - containerPort: 9848
              name: client-rpc
            - containerPort: 9849
              name: raft-rpc
            - containerPort: 7848
              name: old-raft-rpc
          env:
            - name: NACOS_REPLICAS
              value: "3"
            - name: SERVICE_NAME
              value: "nacos-headless"
            - name: DOMAIN_NAME
              value: "cluster.local"
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.namespace
            - 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: SPRING_DATASOURCE_PLATFORM
              value: "mysql"
            - name: NACOS_SERVER_PORT
              value: "8848"
            - name: NACOS_APPLICATION_PORT
              value: "8848"
            - name: PREFER_HOST_MODE
              value: "hostname"
          volumeMounts:
            - name: data
              mountPath: /home/nacos/plugins/peer-finder
              subPath: peer-finder
            - name: data
              mountPath: /home/nacos/data
              subPath: data
            - name: data
              mountPath: /home/nacos/logs
              subPath: logs
  volumeClaimTemplates:
    - metadata:
        name: data
        annotations:
          volume.beta.kubernetes.io/storage-class: "managed-nfs-storage"
      spec:
        accessModes: [ "ReadWriteMany" ]
        resources:
          requests:
            storage: 20Gi
  selector:
    matchLabels:
      app: nacos

尝试修改配置文件增加环境变量env:

-name: NACOS_AUTH_IDENTITY_KEY

value: serverIdentity

但是依然无效

上面参数官方文档上有相关描述

Nacos Docker 快速开始

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

尝试切换nacos镜像版本：v2.2.0 docker pull nacos/nacos-server:v2.2.0

然后在启动就这样了

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

第一种情况（没有执行sql初始化语句）的解决办法：

https://github.com/nacos-group/nacos-k8s/issues/205

在GitHub上找到了答案，感谢这位大佬

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

在前面的流程中，看到了这个sql的初始化语言，由于当时打开链接404就没有管了

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

这个文件已经不再这个地方了

nacos-k8s/nacos-mysql.sql at master · nacos-group/nacos-k8s · GitHubzz

执行SQL完成后，启动终于成功了！

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

没有重启次数了

$BS问题：k8s部署Nacos Could not resolve placeholder ‘NACOS_AUTH_IDENTITY_KEY‘ in value “${NACOS_AUTH_IDENT$

第二种（nacos-pvc-nfs.yaml配置的mysql service地址变更了）情况的解决办法：

原因：在nacos-pvc-nfs.yaml 文件中的mysql.host: "10.102.179.83" (msyql service地址)变更了，导致nacos启动时找不到数据库

修改mysql service 地址文章来源地址https://www.toymoban.com/news/detail-410409.html

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