pod-test

apiVersion: v1

kind: Pod

metadata:

# 命名空间

namespace: default

labels:

app: nginx

spec:

# 调度约束：

# nodeName: 将Pod调度到指定的Node名称上

# nodeSelector: 将Pod调度到匹配Label的Node上

# nodeName: k8s-node1

# nodeSelector:

# env_role: dev

containers:

- name: nginx

image: nginx

# 镜像拉去策略：IfNotPresent, Never, Always

imagePullPolicy: IfNotPresent

ports:

env:

- name: MYSQL_ROOT_PASSWORD

value: "password"

# pod资源请求和限制

resources:

requests:

memory: "64Mi"

cpu: "250m"

limits:

memory: "128Mi"

cpu: "500m"

# 健康检查策略：

# livenessProbe: 检查失败，将杀死容器，根据Pod的restartPolicy来操作

# readinessProde: 检查失败，Kubernetes会把Pod从service endpoints中剔除

# 健康检查方法：httpGet, exec, tcpSocket

livenessProbe:

# exec:

# command:

# - cat

# - /tmp/health

# tcpSocket:

# port: 80

httpGet:

# scheme: HTTP

path: /

# 挂载目录

volumeMounts:

- name: workdir

mountPath: /usr/share/nginx/html

imagePullSecrets:

# 重启策略：Always, Never, Onfailure

restartPolicy: Always

# These containers are run during pod initialization初始化容器，先于业务容器开始执行

initContainers:

- name: install

image: busybox

command:

- wget

- "-O"

- "/work-dir/index.html"

- http://kubernetes.io

volumeMounts:

- name: workdir

mountPath: "/work-dir"

dnsPolicy: Default

# 存储 hostpath, emptydir, nfs, configmap

volumes:

- name: workdir

emptyDir: {}

- name: data

hostPath:

path: /tmp

type: Directory

- name: wwwroot

nfs:

server: 192.168.0.200

path: /data/nfs

- name: filebeat-config

configMap:

巴特西

pod-test

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