kubernetes部署mongoDB 单机版 自定义配置文件、密码、日志路径等

官方镜像地址： https://hub.docker.com/_/mongo?tab=description

docker版的mongo移除了默认的/etc/mongo.conf, 修改了db数据存储路径为 /data/db.

创建configmap配置，注意不能加fork=true，否则Pod会变成Completed。

apiVersion: v1
kind: ConfigMap
metadata:
name: mongodb-conf
data:
mongodb.conf: |
dbpath=/data/middleware-data/mongodb
logpath=/data/middleware-data/mongodb/mongodb.log
pidfilepath=/data/middleware-data/mongodb/master.pid
directoryperdb=true
logappend=true
bind_ip=0.0.0.0
port=27017
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创建StatefulSet：

apiVersion: apps/v1
kind: StatefulSet
metadata:
name: mongodb
spec:
replicas: 1
serviceName: mongodb
selector:
matchLabels:
name: mongodb
template:
metadata:
labels:
name: mongodb
spec:
containers:
- name: mongodb
image: mongo:4.2.1
command:
- sh
- -c
- "exec mongod -f /data/middleware-data/mongodb/conf/mongodb.conf"
imagePullPolicy: IfNotPresent
ports:
- containerPort: 27017
name: mongodb
protocol: TCP
volumeMounts:
- name: mongodb-config
mountPath: /data/middleware-data/mongodb/conf/
- name: data
mountPath: /data/middleware-data/mongodb/
volumes:
- name: mongodb-config
configMap:
name: mongodb-conf
- name: data
hostPath:
path: /data/middleware-data/mongodb/
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创建Service暴露端口：

kind: Service
apiVersion: v1
metadata:
labels:
name: mongodb
name: mongodb
spec:
type: NodePort
ports:
- name: mongodb
port: 27017
targetPort: 27017
nodePort: 30002
selector:
name: mongodb
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接着使用以下命令添加用户和设置密码，并且尝试连接，以及修改密码：

[root@liabio mongodb]# kubectl exec -ti mongodb-0 -- mongo admin
MongoDB shell version v4.2.1
connecting to: mongodb://127.0.0.1:27017/admin?compressors=disabled&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("6d31af3f-3749-3111-87d2-7c8745pob66c") }
MongoDB server version: 4.2.1
Welcome to the MongoDB shell.
For interactive help, type "help".
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原文链接：https://blog.csdn.net/ll837448792/article/details/103313898