---
##查看标签
	kubectl get pods --show-labels
	kubectl get node --show-labels

---
##过滤标签
	kubectl get pods -l app=nginx,tire!=backend
	kubectl get pods -l 'app in (nginx,tomcat).tire notin (fronted,test)'

---
#selector（选择器）
##查看
	kubectl get pods -l app=nginx,tire!=backend
	kubectl get pods -l 'app in (nginx,tomcat).tire notin (fronted,test)'

---
##创建
####单一指定：
	vim service.yml
	#内容：
	apiVersion: v1
	kind: Service
	metadata:
	  name: service-nginx
	spec:
	  type: NodePort
	  ports:
	  - port: 80
	    targetPort: 80
		nodePort: 30080
	  selector:
	    app: nginx			 #对应pod的标签
		release: stable		#对应pod的标签
---
####集合指定：
	vim service.yml
	#内容：
	apiVersion: v1
	kind: Service
	metadata:
	  name: service-nginx
	spec:
	  type: NodePort
	  ports:
	  - port: 80
	    targetPort: 80
		nodePort: 30080
	  selector:
	    matchLabels:
	      app: nginx			 #对应pod的标签
		  release: stable		#对应pod的标签
	    matchExpressions:
	      - {key: tier, operator: In, values: [cache,fronted,backend]}
	      - {key: environment, operator: NotIn, values: [dev]}

#####app标签为nginx，release标签为stable，tier标签在cache,fronted,backend中取值，environment标签不为dev

---
#注解（annotations）
##查看注解
####1、通过yaml形式

![](/media//202109/2021-09-26163627053217.png)

####2、kubectl describe

![](/media//202109/2021-09-26163642303393.png)

---
##添加、修改注解

![](/media//202109/2021-09-26163727247122.png)

标签、选择器与注解