k8s安装redis单机版

[root@node1 redis]# pwd
/home/summer/redis
[root@node1 redis]# mkdir -p /home/summer/redis/data
[root@node1 redis]# chmod -R 777 /home/summer/redis/data

[root@master redis]# ll
总用量 8
drwxrwxrwx 2 root root   24 1月   4 14:41 conf
drwxrwxrwx 2 root root    6 1月   4 14:46 data
-rwxrwxrwx 1 root root 1558 1月   4 14:48 pod.yml
-rwxrwxrwx 1 root root  202 1月   4 14:48 service.yml
[root@master redis]# cd conf/
[root@master conf]# ll
总用量 4
-rwxrwxrwx 1 root root 57 1月   4 14:41 redis.conf
[root@master conf]# cat redis.conf 
port 6379
timeout 3000
tcp-keepalive 0
databases 99

apiVersion: apps/v1
kind: StatefulSet
metadata:

  name: redis
  labels:
    app: redis
  annotations:
    security.alpha.kubernetes.io/unsafe-sysctls: net.core.somaxconn=65535
spec:
  #securityContext:
    #privileged: true
  serviceName: redis
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        #net:
          #core:
            #somaxconn=511:
    spec:
      containers:
        - name: redis
          image: redis:5.0.6
          imagePullPolicy: IfNotPresent
          resources:
            limits:
              cpu: 450m
              memory: 4000Mi
            requests:
              cpu: 400m
              memory: 4000Mi
          env:
            - name: TZ
              value: Asia/Shanghai
          command: ["redis-server","/usr/local/etc/redis/redis.conf","--appendonly yes"]
#          lifecycle:
#            postStart:
#              exec:
#                command: ["/bin/bash", "-c", "echo 511 > /proc/sys/net/core/somaxconn; echo never > /sys/kernel/mm/transparent_hugepage/enabled;"]
          ports:
            - containerPort: 6379
          volumeMounts:
            - name: vol-conf
              mountPath: /usr/local/etc/redis
            - name: vol-data
              mountPath: /data
      volumes:
        - name: vol-conf
          hostPath:
            path: /home/summer/redis/conf
            type: Directory
        - name: vol-data
          hostPath:
              path: /home/summer/redis/data
              type: Directory

apiVersion: v1
kind: Service
metadata:

  name: redis
  labels:
    app: redis
spec:
  type: NodePort
  ports:
    - port: 6379
      targetPort: 6379
      nodePort: 30379
  selector:
    app: redis

[root@master redis]# kubectl create -f  /home/summer/redis/service.yml
[root@master redis]# kubectl create -f  /home/summer/redis/pod.yml

[root@master conf]# kubectl get pods
NAME       READY   STATUS    RESTARTS   AGE
redis-0    1/1     Running   0          2m40s
[root@master conf]# kubectl get svc
NAME         TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)          AGE
kubernetes   ClusterIP   10.96.0.1        <none>        443/TCP          5h28m
redis        NodePort    10.110.14.232    <none>        6379:30379/TCP   10m

[root@master redis]# kubectl describe pod  redis-0
Name:           redis-0
Namespace:      default
Priority:       0
Node:           node1/192.168.0.96
Start Time:     Mon, 04 Jan 2021 14:50:58 +0800
Labels:         app=redis
                controller-revision-hash=redis-56b6778b6
                statefulset.kubernetes.io/pod-name=redis-0
Annotations:    <none>
Status:         Pending
IP:             
IPs:            <none>
Controlled By:  StatefulSet/redis
Containers:
  redis:
    Container ID:  
    Image:         redis:5.0.6
    Image ID:      
    Port:          6379/TCP
    Host Port:     0/TCP
    Command:
      redis-server
      /usr/local/etc/redis/redis.conf
      --appendonly yes
    State:          Waiting
      Reason:       ContainerCreating
    Ready:          False
    Restart Count:  0
    Limits:
      cpu:     450m
      memory:  4000Mi
    Requests:
      cpu:     400m
      memory:  4000Mi
    Environment:
      TZ:  Asia/Shanghai
    Mounts:
      /data from vol-data (rw)
      /usr/local/etc/redis from vol-conf (rw)
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-xmbb9 (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             False 
  ContainersReady   False 
  PodScheduled      True 
Volumes:
  vol-conf:
    Type:          HostPath (bare host directory volume)
    Path:          /home/summer/redis/conf
    HostPathType:  Directory
  vol-data:
    Type:          HostPath (bare host directory volume)
    Path:          /home/summer/redis/data
    HostPathType:  Directory
  default-token-xmbb9:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  default-token-xmbb9
    Optional:    false
QoS Class:       Burstable
Node-Selectors:  <none>
Tolerations:     node.kubernetes.io/not-ready:NoExecute for 300s
                 node.kubernetes.io/unreachable:NoExecute for 300s
Events:
  Type     Reason       Age                From               Message
  ----     ------       ----               ----               -------
  Normal   Scheduled    <unknown>          default-scheduler  Successfully assigned default/redis-0 to node1
  Warning  FailedMount  14s (x7 over 46s)  kubelet, node1     MountVolume.SetUp failed for volume "vol-data" : hostPath type check failed: /home/summer/redis/data is not a directory
  Warning  FailedMount  14s (x7 over 46s)  kubelet, node1     MountVolume.SetUp failed for volume "vol-conf" : hostPath type check failed: /home/summer/redis/conf is not a directory
[root@master redis]# ll