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Pod模版yaml文件
apiVersion: v1
# 资源对象的类型
kind: Pod
metadata:
name: nginx-gt
namespace: default
label:
app: nginx-gt
spec:
# 为pod的hosts 文件中增加 dev-cer.getui.com 记录
hostAliases:
- hostnames:
- dev-cer.xiuxiuing.com
ip: 192.168.10.53
# 为 pod 引入裸机上的挂载目录
volumes:
- hostPath:
path: /app/k8s/test
name: logs
# init 容器
initContainers:
- name: my-busybox
image: busybox
command: ["sh", "-c", "echo hello-world!"]
# 应用容器
containers:
- name: my-nginx
image: nginx:1.15
# 为应用容器挂载引入的目录
volumeMounts:
- mountPath: /etc/nginx/logs
name: logs
# 设置容器运行开放的端口
ports:
- containerPort: 80
name: http-service
command: ["nginx", "-g", "daemon off;"]
# pod 钩子
lifecycle:
postStart:
exec:
command: ["sh", "-c", "echo container start..."]
preStop:
exec:
command: ["sh","-c","echo container quit..."]
# pod 探针
## pod 准备就绪探针
readinessProbe:
exec:
command:
- cat
- /etc/nginx/nginx.conf
initialDelaySeconds: 10
periodSeconds: 5
## pod 运行探针
livenessProbe:
exec:
command:
- cat
- /etc/nginx/nginx.conf
initialDelaySeconds: 10
periodSeconds: 5
# pod 能容忍的污点
tolerations:
- effect: NoExecute
key: node.kubernetes.io/not-ready
operator: Exists
tolerationSeconds: 300
Service 模板yaml文件
{
"kind": "Service",
"apiVersion": "v1",
"metadata": {
"name": "nginx-gt",
"namespace": "default"
},
"spec": {
"ports": [
{
"name": "http",
"protocol": "TCP",
"port": 80
}
],
"selector": {
"app": "nginx-gt"
},
"type": "NodePort"
},
"status": {
"loadBalancer": {}
}
}
注意：selector.app 为 Pod中label.app的值
Deployment 模版yaml文件
apiVersion: apps/v1beta1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 2 # tells deployment to run 2 pods matching the template
template: # create pods using pod definition in this template
metadata:
# unlike pod-nginx.yaml, the name is not included in the meta data as a unique name is
# generated from the deployment name
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.7.9
ports:
- containerPort: 80
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