apiVersion: v1
kind: Namespace
metadata:
  name: idms

apiVersion: v1
kind: Pod
metadata:
#  pod 的名字
  name: mynginx
#   指定命名空间   可选
  namespace: idms
  labels:
    app: mynginx

spec:
  containers:
    - image: nginx
      name: mynginx



#    kubectl run  mynginx  --image=nginx --port=80
#     kubectl describe pod mynginx
#     kubectl describe pod mynginx  -n  idms
#  kubectl delete -f pod.yml
#  kubectl logs  mynginx
#  kubectl  exec -it mynginx -n idms -- /bin/bash  

#  curl 10.244.2.51:80

apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: idms
  labels:
    app: mynginx-deploy
  name: mynginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mynginx
  template:
    metadata:
      labels:
        app: mynginx
    spec:
      containers:
        - image: nginx
          name: mynginx

apiVersion: v1
kind: Service
metadata:
  name: mynginx-svc 
  namespace: idms
  labels:
    app: mynginx-svc
spec:
  ports:
    - port: 80
      targetPort: 80
      protocol: TCP
      #name: mynginx-service
   #   nodePort: 30001
  type: NodePort  # ClusterIP   NodePort  ClusterIP
  selector:
    app: mynginx

apiVersion: v1
kind: Namespace
metadata:
  name: idms
  labels:
    name: idms
---
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod
  namespace: idms
  labels:
    app: mynginx
spec:
  containers:
    - name: nginx
      image: nginx
      ports:
        - containerPort: 80
          protocol: TCP
      volumeMounts:
        - name: conf
          mountPath: /etc/nginx/
        - name: log
          mountPath: /var/log/nginx
        - name: html
          mountPath: /usr/share/nginx/html
  volumes:

    - name: conf
      hostPath:
        path: /opt/k8s/nginx/
        type: DirectoryOrCreate
    - name: log
      hostPath:
        path: /opt/k8s/nginx/log
        type: DirectoryOrCreate
    - name: html
      hostPath:
        path: /opt/k8s/nginx/html
        type: DirectoryOrCreate

apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: nginx-rs
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx-pod
  template:
     metadata:
       labels:
          app: nginx-pod
     spec:
       containers:
         - name: nginx
           image: nginx

apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod2
  labels:
    app: nginx-pod2
spec:
  affinity:
#    反 亲和性
    podAntiAffinity:
#      硬限制
      requiredDuringSchedulingIgnoredDuringExecution:
#        调度到 和  nginx-pod 不同的机器上
        - topologyKey: "kubernetes.io/hostname"
          labelSelector:
            matchExpressions:
              - key: app
                operator: In
                values:
                  - nginx-pod
#      preferredDuringSchedulingIgnoredDuringExecution:
#        - weight: 100
#          podAffinityTerm:
#            labelSelector:
#              matchExpressions:
#                - key: app
#                  operator: In
#                  values:
#                    - nginx-pod
  containers:
    - name: nginx
      image: nginx
      ports:
        - containerPort: 80
          protocol: TCP

nfs pod

apiVersion: v1
kind: Namespace
metadata:
  name: idms
  labels:
    name: idms
---
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod
  namespace: idms
  labels:
    app: mynginx
spec:
  containers:
    - name: nginx
      image: nginx
      ports:
        - containerPort: 80
          protocol: TCP
      volumeMounts:

        - name: log
          mountPath: /var/log/nginx

  volumes:


    - name: log
      nfs:
        server: 192.168.83.134
        path: /nfs/data/idms

configmap

apiVersion: v1
kind: ConfigMap
metadata:
  name: redis-config
  namespace: default
data:
 redis.host: localhost
 redis.port: 6379
#  使用 | 符号表示值是多行文本，这种格式可以保持文本的格式不变。

apiVersion: v1
kind: Pod
metadata:
  name: pod-nginx
spec:
#  command: ["sh", "-c", "touch /configmap/redis.conf"]", ]
  containers:
    - name: nginx
      image: nginx
      ports:
        - containerPort: 80
          protocol: TCP
      volumeMounts:
        - name: nginx-conf
          mountPath: /configmap/redis.conf
  volumes:
    - name: nginx-conf
      configMap:
        name: nginx-conf

secret

apiVersion: v1
kind: Secret
metadata:
  name: mynginx-secret
type: Opaque
data:
  username: bXlhZG1pbg==
  password: YWRtaW4=

---
apiVersion: v1
kind: Pod
metadata:
  name: pod-nginx2
spec:

  containers:
    - name: nginx
      image: nginx
      ports:
        - containerPort: 80
          protocol: TCP
      volumeMounts:
        - name: nginx-conf
          mountPath: /secret/
          readOnly: true


  volumes:
    - name: nginx-conf
      secret:
        secretName: mynginx-secret