Mysql

https://www.cnblogs.com/zoulixiang/p/9910337.html

mkdir -p /opt/k8s/script
cd /opt/k8s/script
vi mysql-rc.yaml
apiVersion: v1
kind: ReplicationController
metadata:
  name: mysql-rc
  labels:
    name: mysql-rc
spec:
  replicas: 1
  selector:
    name: mysql-pod
  template:
    metadata:
      labels:
        name: mysql-pod
    spec:
      containers:
      - name: mysql
        image: mysql
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 3306
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "mysql"
vi mysql-svc.yaml
apiVersion: v1
kind: Service
metadata:
  name: mysql-svc
  labels:
    name: mysql-svc
spec:
  type: NodePort
  ports:
  - port: 3306
    protocol: TCP
    targetPort: 3306
    name: http
    nodePort: 31306
  selector:
    name: mysql-pod
kubectl create -f mysql-rc.yaml
kubectl create -f mysql-svc.yaml
kubectl get pods
kubectl get pod -o wide
进入容器配置：
docker ps -a 
docker exec -it xxxxx /bin/bash     xxxx表示mysql的容器ID
mysql -h127.0.0.1 -uroot -pmysql
alter user 'root'@'%' identified with mysql_native_password by'root';
alter  user 'root'@'%' identified by 'mysql';
exit
在使用 native 连接工具测试数据库链接。
cd /opt
git clone https://gitee.com/open_source/k8s_info.git
cd k8s_info/k8s-demo
mvn clean package -Dmaven.test.skip=true --update-snapshots
docker build -t 192.168.216.3/k8s/k8s-demo:v1.0.0 .
docker push 192.168.216.3/k8s/k8s-demo:v1.0.0
kubectl create -f java-deploy.yaml
# 查看节点
kubectl get pods
# 查看日志
kubectl logs k8s-demo-545c7679d-dvvt9
# 创建服务
kubectl create -f java-svc.yaml
# 查看节点和端口映射
kubectl get pods,svc

Redis

Deployment&Service方式

mkdir -p /opt/k8s/script
cd /opt/k8s/script
vi redis.conf
#daemonize yes
bind 0.0.0.0
pidfile /data/redis.pid
port 6379
tcp-backlog 30000
timeout 0
tcp-keepalive 10
loglevel notice
logfile /data/redis.log
databases 16
#save 900 1
#save 300 10
#save 60 10000
stop-writes-on-bgsave-error no
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir /data
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
slave-priority 100
requirepass ibalife
maxclients 30000
appendonly no
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
lua-time-limit 5000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events KEA
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-entries 512
list-max-ziplist-value 64
set-max-intset-entries 1000
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
创建 configMap
kubectl create configmap redis-demo --from-file=redis.conf
vi redis-deploy.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-deploy
spec:
  replicas: 1
  selector:
    matchLabels:
     app: redis-deploy
  template:
    metadata:
     labels:
       app: redis-deploy
    spec:
     containers:
     - name: redis-deploy
       image: redis
       volumeMounts:
       - name: foo
         mountPath: "/usr/local/etc"
       command:
         - "redis-server"
       args:
         - "/usr/local/etc/redis/redis.conf"
     volumes:
     - name: foo
       configMap:
         name: redis-demo
         items:
           - key: redis.conf
             path: redis/redis.conf
创建Deployment
kubectl apply -f redis-deploy.yaml --validate=false
vi redis-svc.yaml
apiVersion: v1
kind: Service
metadata:
  name: redis-svc
  labels:
    name: redis-svc
spec:
  type: NodePort
  ports:
  - port: 6379
    targetPort: 6379
    name: redis-deploy
    nodePort: 31379
  selector:
    app: redis-deploy
kubectl create -f redis-svc.yaml
# 替换配置
kubectl replace --force -f redis-svc.yaml

StatefulSet

kubectl

kubectl create deployment java-demo --image=yueming33990/java-demo --dry-run -o yaml > deploy.yaml
kubectl expose deployment java-demo --port=80 --target-port=8080 --type=NodePort -o yaml --dry-run > svc.yaml
生成配置文件

K8S各模块缩写

NAME                              SHORTNAMES   APIGROUP                       NAMESPACED   KIND
bindings                                                                      true         Binding
componentstatuses                 cs                                          false        ComponentStatus
configmaps                        cm                                          true         ConfigMap
endpoints                         ep                                          true         Endpoints
events                            ev                                          true         Event
limitranges                       limits                                      true         LimitRange
namespaces                        ns                                          false        Namespace
nodes                             no                                          false        Node
persistentvolumeclaims            pvc                                         true         PersistentVolumeClaim
persistentvolumes                 pv                                          false        PersistentVolume
pods                              po                                          true         Pod
podtemplates                                                                  true         PodTemplate
replicationcontrollers            rc                                          true         ReplicationController
resourcequotas                    quota                                       true         ResourceQuota
secrets                                                                       true         Secret
serviceaccounts                   sa                                          true         ServiceAccount
services                          svc                                         true         Service
mutatingwebhookconfigurations                  admissionregistration.k8s.io   false        MutatingWebhookConfiguration
validatingwebhookconfigurations                admissionregistration.k8s.io   false        ValidatingWebhookConfiguration
customresourcedefinitions         crd,crds     apiextensions.k8s.io           false        CustomResourceDefinition
apiservices                                    apiregistration.k8s.io         false        APIService
controllerrevisions                            apps                           true         ControllerRevision
daemonsets                        ds           apps                           true         DaemonSet
deployments                       deploy       apps                           true         Deployment
replicasets                       rs           apps                           true         ReplicaSet
statefulsets                      sts          apps                           true         StatefulSet
tokenreviews                                   authentication.k8s.io          false        TokenReview
localsubjectaccessreviews                      authorization.k8s.io           true         LocalSubjectAccessReview
selfsubjectaccessreviews                       authorization.k8s.io           false        SelfSubjectAccessReview
selfsubjectrulesreviews                        authorization.k8s.io           false        SelfSubjectRulesReview
subjectaccessreviews                           authorization.k8s.io           false        SubjectAccessReview
horizontalpodautoscalers          hpa          autoscaling                    true         HorizontalPodAutoscaler
cronjobs                          cj           batch                          true         CronJob
jobs                                           batch                          true         Job
certificatesigningrequests        csr          certificates.k8s.io            false        CertificateSigningRequest
leases                                         coordination.k8s.io            true         Lease
bgpconfigurations                              crd.projectcalico.org          false        BGPConfiguration
clusterinformations                            crd.projectcalico.org          false        ClusterInformation
felixconfigurations                            crd.projectcalico.org          false        FelixConfiguration
globalnetworkpolicies                          crd.projectcalico.org          false        GlobalNetworkPolicy
globalnetworksets                              crd.projectcalico.org          false        GlobalNetworkSet
hostendpoints                                  crd.projectcalico.org          false        HostEndpoint
ippools                                        crd.projectcalico.org          false        IPPool
networkpolicies                                crd.projectcalico.org          true         NetworkPolicy
events                            ev           events.k8s.io                  true         Event
daemonsets                        ds           extensions                     true         DaemonSet
deployments                       deploy       extensions                     true         Deployment
ingresses                         ing          extensions                     true         Ingress
networkpolicies                   netpol       extensions                     true         NetworkPolicy
podsecuritypolicies               psp          extensions                     false        PodSecurityPolicy
replicasets                       rs           extensions                     true         ReplicaSet
nodes                                          metrics.k8s.io                 false        NodeMetrics
pods                                           metrics.k8s.io                 true         PodMetrics
networkpolicies                   netpol       networking.k8s.io              true         NetworkPolicy
poddisruptionbudgets              pdb          policy                         true         PodDisruptionBudget
podsecuritypolicies               psp          policy                         false        PodSecurityPolicy
clusterrolebindings                            rbac.authorization.k8s.io      false        ClusterRoleBinding
clusterroles                                   rbac.authorization.k8s.io      false        ClusterRole
rolebindings                                   rbac.authorization.k8s.io      true         RoleBinding
roles                                          rbac.authorization.k8s.io      true         Role
priorityclasses                   pc           scheduling.k8s.io              false        PriorityClass
storageclasses                    sc           storage.k8s.io                 false        StorageClass
volumeattachments                              storage.k8s.io                 false        VolumeAttachment