kubernetes核心实战（八）--- service
13、service
四层网络负载
创建
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]# vim my-app.yaml
[root@k8s-master-node1 ~/yaml/test]# cat my-app.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: my-dep
name: my-dep
spec:
replicas: 3
selector:
matchLabels:
app: my-dep
template:
metadata:
labels:
app: my-dep
spec:
containers:
- image: nginx
name: nginx
[root@k8s-master-node1 ~/yaml/test]# kubectl apply -f my-app.yaml
deployment.apps/my-dep created
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]# kubectl get deployments.apps
NAME READY UP-TO-DATE AVAILABLE AGE
ingress-demo-app 2/2 2 2 155m
my-dep 3/3 3 3 71s
nfs-client-provisioner 1/1 1 1 140m
[root@k8s-master-node1 ~/yaml/test]#使用标签查找
[root@k8s-master-node1 ~/yaml/test]# kubectl get pod --show-labels
NAME READY STATUS RESTARTS AGE LABELS
hello-27285682--1-q2p6x 0/1 Completed 0 3m15s controller-uid=5e700c2e-29b3-4099-be17-b005d8077284,job-name=hello-27285682
hello-27285683--1-b2qgn 0/1 Completed 0 2m15s controller-uid=d7455e28-bd37-4fdf-bf47-de7ae6b4b7bb,job-name=hello-27285683
hello-27285684--1-glsmp 0/1 Completed 0 75s controller-uid=9cc7f28d-e780-49fb-a23a-ab725413ea8a,job-name=hello-27285684
hello-27285685--1-s7ws5 0/1 ContainerCreating 0 15s controller-uid=169e3631-6981-4df8-bfee-6a4f4632b713,job-name=hello-27285685
ingress-demo-app-694bf5d965-8rh7f 1/1 Running 0 157m app=ingress-demo-app,pod-template-hash=694bf5d965
ingress-demo-app-694bf5d965-swkpb 1/1 Running 0 157m app=ingress-demo-app,pod-template-hash=694bf5d965
my-dep-5b7868d854-kzflw 1/1 Running 0 2m34s app=my-dep,pod-template-hash=5b7868d854
my-dep-5b7868d854-pfhps 1/1 Running 0 2m34s app=my-dep,pod-template-hash=5b7868d854
my-dep-5b7868d854-v67ll 1/1 Running 0 2m34s app=my-dep,pod-template-hash=5b7868d854
nfs-client-provisioner-dc5789f74-5bznq 1/1 Running 0 141m app=nfs-client-provisioner,pod-template-hash=dc5789f74
pi--1-k5cbq 0/1 Completed 0 25m controller-uid=2ecfcafd-f848-403b-b37f-9c145a0dc8cc,job-name=pi
redis-app-86g4q 1/1 Running 0 27m controller-revision-hash=77c8899f5d,name=fluentd-redis,pod-template-generation=1
redis-app-rt92n 1/1 Running 0 27m controller-revision-hash=77c8899f5d,name=fluentd-redis,pod-template-generation=1
redis-app-vkzft 1/1 Running 0 27m controller-revision-hash=77c8899f5d,name=fluentd-redis,pod-template-generation=1
web-0 1/1 Running 0 91m app=nginx,controller-revision-hash=web-57c5cc66df,statefulset.kubernetes.io/pod-name=web-0
web-1 1/1 Running 0 91m app=nginx,controller-revision-hash=web-57c5cc66df,statefulset.kubernetes.io/pod-name=web-1
web-2 1/1 Running 0 90m app=nginx,controller-revision-hash=web-57c5cc66df,statefulset.kubernetes.io/pod-name=web-2
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]# kubectl get pod -l app=my-dep
NAME READY STATUS RESTARTS AGE
my-dep-5b7868d854-kzflw 1/1 Running 0 2m42s
my-dep-5b7868d854-pfhps 1/1 Running 0 2m42s
my-dep-5b7868d854-v67ll 1/1 Running 0 2m42s
[root@k8s-master-node1 ~/yaml/test]#命令行暴露端口
[root@k8s-master-node1 ~/yaml/test]# kubectl expose deployment my-dep --port=8000 --target-port=80
service/my-dep exposed
[root@k8s-master-node1 ~/yaml/test]#
[root@k8s-master-node1 ~/yaml/test]# kubectl get service
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-demo-app ClusterIP 10.96.145.40 <none> 80/TCP 158m
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 160m
my-dep ClusterIP 10.96.241.162 <none> 8000/TCP 11s
nginx ClusterIP None <none> 80/TCP 92m
[root@k8s-master-node1 ~/yaml/test]#yaml文件暴露端口
apiVersion: v1
kind: Service
metadata:
labels:
app: my-dep
name: my-dep
spec:
selector:
app: my-dep
ports:
- port: 8000
protocol: TCP
targetPort: 80ClusterIP方式暴露
命令行
kubectl expose deployment my-dep --port=8000 --target-port=80 --type=ClusterIPyaml方式
apiVersion: v1
kind: Service
metadata:
labels:
app: my-dep
name: my-dep
spec:
ports:
- port: 8000
protocol: TCP
targetPort: 80
selector:
app: my-dep
type: ClusterIP访问测试
[root@k8s-master-node1 ~/yaml/test]# curl -I 10.96.241.162:8000
HTTP/1.1 200 OK
Server: nginx/1.21.4
Date: Wed, 17 Nov 2021 09:30:27 GMT
Content-Type: text/html
Content-Length: 615
Last-Modified: Tue, 02 Nov 2021 14:49:22 GMT
Connection: keep-alive
ETag: "61814ff2-267"
Accept-Ranges: bytes
[root@k8s-master-node1 ~/yaml/test]#NodePort方式暴露
命令行
kubectl expose deployment my-dep --port=8000 --target-port=80 --type=NodePortyaml方式
apiVersion: v1
kind: Service
metadata:
labels:
app: my-dep
name: my-dep
spec:
ports:
- port: 8000
protocol: TCP
targetPort: 80
selector:
app: my-dep
type: NodePort查看service
[root@k8s-master-node1 ~/yaml/test]# kubectl get service
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-demo-app ClusterIP 10.96.145.40 <none> 80/TCP 165m
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 167m
my-dep NodePort 10.96.241.162 <none> 8000:32306/TCP 7m13s
nginx ClusterIP None <none> 80/TCP 99m
[root@k8s-master-node1 ~/yaml/test]#访问测试
使用kubernetes任何node的ip都可以访问
[root@k8s-master-node1 ~/yaml/test]# curl -I 192.168.1.62:32306
HTTP/1.1 200 OK
Server: nginx/1.21.4
Date: Wed, 17 Nov 2021 09:36:50 GMT
Content-Type: text/html
Content-Length: 615
Last-Modified: Tue, 02 Nov 2021 14:49:22 GMT
Connection: keep-alive
ETag: "61814ff2-267"
Accept-Ranges: bytes
[root@k8s-master-node1 ~/yaml/test]# curl -I 192.168.1.61:32306
HTTP/1.1 200 OK
Server: nginx/1.21.4
Date: Wed, 17 Nov 2021 09:36:53 GMT
Content-Type: text/html
Content-Length: 615
Last-Modified: Tue, 02 Nov 2021 14:49:22 GMT
Connection: keep-alive
ETag: "61814ff2-267"
Accept-Ranges: bytes
[root@k8s-master-node1 ~/yaml/test]# curl -I 192.168.1.63:32306
HTTP/1.1 200 OK
Server: nginx/1.21.4
Date: Wed, 17 Nov 2021 09:36:56 GMT
Content-Type: text/html
Content-Length: 615
Last-Modified: Tue, 02 Nov 2021 14:49:22 GMT
Connection: keep-alive
ETag: "61814ff2-267"
Accept-Ranges: bytes
[root@k8s-master-node1 ~/yaml/test]#
https://blog.csdn.net/qq_33921750
https://my.oschina.net/u/3981543
https://www.zhihu.com/people/chen-bu-yun-2
https://segmentfault.com/u/hppyvyv6/articles
https://juejin.cn/user/3315782802482007
https://space.bilibili.com/352476552/article
https://cloud.tencent.com/developer/column/93230
知乎、CSDN、开源中国、思否、掘金、哔哩哔哩、腾讯云
kubernetes核心实战（八）--- service的更多相关文章
- Kubernetes核心概念总结
目录贴:Kubernetes学习系列 1.基础架构 1.1 Master Master节点上面主要由四个模块组成:APIServer.scheduler.controller manager.etcd ...
- kubernetes进阶之七：Service
1.概述 Service也是Kubernetes里的最核心的资源对象之一,Kubernetes里的每个Service其实就是我们经常提起的微服务架构中的一个“微服务”,之前我们所说的Pod.RC等资源 ...
- kubernetes核心概念
摘抄自: https://www.cnblogs.com/zhenyuyaodidiao/p/6500720.html 1.基础架构 1.1 Master Master节点上面主要由四个模块组成:A ...
- Kubernetes 核心概念
什么是Kubernetes? Kubernetes(k8s)是自动化容器操作的开源平台,这些操作包括部署,调度和节点集群间扩展.如果你曾经用过Docker容器技术部署容器,那么可以将Docker看成K ...
- 十分钟带你理解Kubernetes核心概念
什么是Kubernetes? Kubernetes(k8s)是自动化容器操作的开源平台,这些操作包括部署,调度和节点集群间扩展.如果你曾经用过Docker容器技术部署容器,那么可以将Docker看成K ...
- Kubernetes核心概念简介
本文将会简单介绍Kubernetes的核心概念.因为这些定义可以在Kubernetes的文档中找到,所以文章也会避免用大段的枯燥的文字介绍.相反,我们会使用一些图表(其中一些是动画)和示例来解释这些概 ...
- Python爬虫实战八之利用Selenium抓取淘宝匿名旺旺
更新 其实本文的初衷是为了获取淘宝的非匿名旺旺,在淘宝详情页的最下方有相关评论,含有非匿名旺旺号,快一年了淘宝都没有修复这个. 可就在今天,淘宝把所有的账号设置成了匿名显示,SO,获取非匿名旺旺号已经 ...
- k8s kubernetes 核心笔记 镜像仓库 项目k8s改造(含最新k8s v1.16.2版本)
k8s kubernetes 核心笔记 镜像仓库 项目k8s改造 2019/10/24 Chenxin 一 基本资料 一 参考: https://kubernetes.io/ 官网 https://k ...
- 后端技术杂谈11：十分钟理解Kubernetes核心概念
本系列文章将整理到我在GitHub上的<Java面试指南>仓库,更多精彩内容请到我的仓库里查看 本文转自 https://github.com/h2pl/Java-Tutorial 喜欢的 ...
- 01 . 容器编排简介及Kubernetes核心概念
Kubernetes简介 Kubernetes是谷歌严格保密十几年的秘密武器-Borg的一个开源版本,是Docker分布式系统解决方案.2014年由Google公司启动. Kubernetes提供了面 ...
随机推荐
- Jmeter一、开源软件的崛起
一.jmeter自身特点: 1.开源,轻量级,更适合自动化和持续集成. 2.学习难度大. 3.资料少.多英文. 二.性能测试工具选型的原则 1.成本: a.工具成本 b.学习成本 2.通信协议: a. ...
- OpenStack 云主机ping通外网
- Java流程控制1
Scanner对象 java.util.Scanner 通过Scanner类来获取用户输入 next()和nextline()来获取输入的字符串,读取前我们一般需要使用hasnext()和hasnex ...
- .NetCore中配置Ef
1.在NuGet中下载 Microsoft.EntityFrameworkCore.Tools Microsoft.EntityFrameworkCore.SqlServer 2.需要在Api层.实现 ...
- JAVA设计模式及其设计原则
设计模式: 设计模式是一套被反复使用的.多数人知晓的.经过分类编目的.代码设计经验的总结. 单例模式:在一个jvm虚拟机,要创建的对象控制成独一份:举例:统计单台虚拟机内的用户在线数 package ...
- 面向对象ooDay7
.精华笔记: 1)成员内部类: 应用率不高 1.1)类中套类,外面的称为外部类,里面的称为内部类 1.2)内部类通常只服务于外部类,对外不具备可见性 1.3)内部类对象通常在外部类中创建 1.4)内部 ...
- MySql 字符串时间转换
MySql中经常遇到字符串格式时间转换成时间类型的情况: SELECT STR_TO_DATE('Jul 20 2013 7:49:14:610AM','%b %d %Y %h:%i:%s:%f%p' ...
- Audition导入视频文件出现错误
错误: We were unable to open this file using any of the currently available importers. If you would li ...
- C++11的override、default和delete关键字
最近在参与组里的项目时接触了很多以前自己没太了解的C++语法(尤其是C++11以后出现的),今天给大家讲一下C++11新出的override和default关键字. override关键字主要在声明类 ...
- pytesseract文字识别
import pytesseract from PIL import Image im=Image.open('image.png') print(pytesseract.image_to_strin ...