通过Config Map来对容器中redis应用的配置进行管理，如自定义配置文件、密码、日志路径等。
创建一个namespace
接下来的pod，svc都建到这个namespace下
kubectl create namespace devops
创建redis.conf对应的ConfigMap文件
touch redis-config.yaml
---
kind: ConfigMap
apiVersion: v1
metadata:
name: redis-config
labels:
app: redis
data:
redis.conf: |-
dir /srv
port 6379
bind 0.0.0.0
appendonly yes
daemonize no
#protected-mode no
requirepass Hangzhou@123
pidfile /srv/redis-6379.pid
requirepass Hangzhou@123 这个密码记住，登录的时候需要用。
更新/创建在yaml中定义的对象
kubectl apply -f redis-config.yaml -n devops
创建持久化文件
touch redis-deploy.yaml
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: redis
labels:
app: redis
spec:
replicas: 1
selector:
matchLabels:
app: redis
template:
metadata:
labels:
app: redis
spec:
containers:
- name: redis
image: redis:3.0.7
command:
- "sh"
- "-c"
- "redis-server /usr/local/redis/redis.conf"
ports:
- containerPort: 6379
resources:
limits:
cpu: 1000m
memory: 1024Mi
requests:
cpu: 1000m
memory: 1024Mi
livenessProbe:
tcpSocket:
port: 6379
initialDelaySeconds: 300
timeoutSeconds: 1
periodSeconds: 10
successThreshold: 1
failureThreshold: 3
readinessProbe:
tcpSocket:
port: 6379
initialDelaySeconds: 5
timeoutSeconds: 1
periodSeconds: 10
successThreshold: 1
failureThreshold: 3
volumeMounts:
- name: config
mountPath: /usr/local/redis/redis.conf
subPath: redis.conf
volumes:
- name: config
configMap:
name: redis-config
创建configmap和deployment
kubectl apply -f redis-config.yaml --force -n devops
kubectl apply -f redis-deploy.yaml -n devops --force
创建对外访问服务svc
touch redis-svc.yaml
apiVersion: v1
kind: Service
metadata:
name: redis
namespace: devops
labels:
app: redis
spec:
type: NodePort
ports:
- name: tcp
port: 6379
nodePort: 30379
selector:
app: redis
更新/创建在yaml中定义的对象
kubectl apply -f redis-svc.yaml -n devops
查询一下端口
kubectl get svc -n devops
去web仪表盘看一下：
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