kubernetes高级调度的一些方式

apiVersion: v1kind: Podmetadata:  name: pod-nodeselectorspec:  containers:  - name: myapp    image: ikubernetes/myapp:v1  nodeSelector:    disktype: ssd

apiVersion: v1kind: Podmetadata:  name: pod-nodenamespec:  containers:  - name: myapp    image: ikubernetes/myapp:v1  nodeName: 172.16.1.130     # 节点名字

apiVersion: v1kind: Podmetadata:  name: pod-nodeaffinity-requiredspec:  containers:  - name: myapp    image: ikubernetes/myapp:v1  affinity:    nodeAffinity:      requiredDuringSchedulingIgnoredDuringExecution:        nodeSelectorTerms:        - matchExpressions:          - key: disktype            operator: In            values: ["ssd", "harddisk"]

apiVersion: v1kind: Podmetadata:  name: pod-nodeaffinity-preferredspec:  containers:  - name: myapp    image: ikubernetes/myapp:v1  affinity:    nodeAffinity:      preferredDuringSchedulingIgnoredDuringExecution:      - preference:          matchExpressions:          - key: disktype            operator: In            values: ["ssd", "harddisk"]        weight: 60

apiVersion: v1kind: Podmetadata:  name: pod-first  labels:    app: myapp    row: frontedspec:  containers:  - name: myapp    image: ikubernetes/myapp:v1---apiVersion: v1kind: Podmetadata:  name: pod-second  labels:    app: db    row: backendspec:  containers:  - name: db    image: busybox    imagePullPolicy: IfNotPresent    command:    - "/bin/sh"    - "-c"    - "sleep 3600"  affinity:    podAffinity:      requiredDuringSchedulingIgnoredDuringExecution:      - labelSelector:          matchExpressions:          - key: app            operator: In            values: ["myapp"]        topologyKey: kubernetes.io/hostname

apiVersion: v1kind: Podmetadata:  name: pod-first  labels:    app: myapp    row: frontedspec:  containers:  - name: myapp    image: ikubernetes/myapp:v1---apiVersion: v1kind: Podmetadata:  name: pod-second  labels:    app: db    row: backendspec:  containers:  - name: db    image: busybox    imagePullPolicy: IfNotPresent    command:    - "/bin/sh"    - "-c"    - "sleep 3600"  affinity:    podAntiAffinity:      requiredDuringSchedulingIgnoredDuringExecution:      - labelSelector:          matchExpressions:          - key: app            operator: In            values: ["myapp"]        topologyKey: kubernetes.io/hostname

# kubectl explain node.spec.taintsKIND:     NodeVERSION:  v1RESOURCE: taints <[]Object>DESCRIPTION:     If specified, the node's taints.     The node this Taint is attached to has the "effect" on any pod that does     not tolerate the Taint.FIELDS:   effect    <string> -required-     Required. The effect of the taint on pods that do not tolerate the taint.     Valid effects are NoSchedule, PreferNoSchedule and NoExecute.   key    <string> -required-     Required. The taint key to be applied to a node.   timeAdded    <string>     TimeAdded represents the time at which the taint was added. It is only     written for NoExecute taints.   value    <string>     Required. The taint value corresponding to the taint key.

apiVersion: apps/v1kind: Deploymentmetadata:  name: nginx-deployment  labels:    app: nginxspec:  replicas: 2  selector:    matchLabels:      app: nginx  template:    metadata:      labels:        app: nginx    spec:      containers:      - name: nginx        image: nginx:1.7.9        imagePullPolicy: IfNotPresent         ports:        - containerPort: 80      tolerations:      - key: "node-type"        operator: Equal        value: dev        effect: NoSchedule        tolerationSeconds: 20