https://github.com/zq2599/blog_demos 内容:所有原创文章分类汇总及配套源码,涉及Java、Docker、Kubernetes、DevOPS等;
今天的文章咱们来学习和了解proto主线;
现在还不能马上写代码,还差最后一个准备步骤:确认API参数;
名称 | 链接 | 备注 |
---|---|---|
项目主页 | https://github.com/zq2599/blog_demos | 该项目在GitHub上的主页 |
git仓库地址(https) | https://github.com/zq2599/blog_demos.git | 该项目源码的仓库地址,https协议 |
git仓库地址(ssh) | git@github.com:zq2599/blog_demos.git | 该项目源码的仓库地址,ssh协议 |
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.bolingcavalry</groupId>
<artifactId>kubernetesclient</artifactId>
<version>1.0-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<groupId>com.bolingcavalry</groupId>
<artifactId>protobufclient</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>protobufclient</name>
<description>Demo project for protobuf client</description>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-json</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>io.kubernetes</groupId>
<artifactId>client-java</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.3.0.RELEASE</version>
</plugin>
</plugins>
</build>
</project>
package com.bolingcavalry.protobufclient;
import com.google.gson.GsonBuilder;
import io.kubernetes.client.ProtoClient;
import io.kubernetes.client.ProtoClient.ObjectOrStatus;
import io.kubernetes.client.openapi.ApiClient;
import io.kubernetes.client.proto.Meta;
import io.kubernetes.client.proto.V1.Namespace;
import io.kubernetes.client.proto.V1.PodList;
import io.kubernetes.client.util.ClientBuilder;
import io.kubernetes.client.util.KubeConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.io.FileReader;
@SpringBootApplication
@RestController
@Slf4j
public class ProtobufApplication {
public static void main(String[] args) {
SpringApplication.run(ProtobufApplication.class, args);
}
/**
* 根据配置文件创建ProtoClient实例
* @return
* @throws Exception
*/
private ProtoClient buildProtoClient() throws Exception {
// 存放K8S的config文件的全路径
String kubeConfigPath = "/Users/zhaoqin/temp/202007/05/config";
// 以config作为入参创建的client对象,可以访问到K8S的API Server
ApiClient client = ClientBuilder
.kubeconfig(KubeConfig.loadKubeConfig(new FileReader(kubeConfigPath)))
.build();
// 创建操作类
return new ProtoClient(client);
}
@RequestMapping(value = "/createnamespace/{namespace}", method = RequestMethod.GET)
public ObjectOrStatus<Namespace> createnamespace(@PathVariable("namespace") String namespace) throws Exception {
// 创建namespace资源对象
Namespace namespaceObj =
Namespace.newBuilder().setMetadata(Meta.ObjectMeta.newBuilder().setName(namespace).build()).build();
// 通过ProtoClient的create接口在K8S创建namespace
ObjectOrStatus<Namespace> ns = buildProtoClient().create(namespaceObj, "/api/v1/namespaces", "v1", "Namespace");
// 使用Gson将集合对象序列化成JSON,在日志中打印出来
log.info("ns info \n{}", new GsonBuilder().setPrettyPrinting().create().toJson(ns));
return ns;
}
@RequestMapping(value = "/pods/{namespace}", method = RequestMethod.GET)
public ObjectOrStatus<PodList> pods(@PathVariable("namespace") String namespace) throws Exception {
// 通过ProtoClient的list接口获取指定namespace下的pod列表
ObjectOrStatus<PodList> pods = buildProtoClient().list(PodList.newBuilder(), "/api/v1/namespaces/" + namespace + "/pods");
// 使用Gson将集合对象序列化成JSON,在日志中打印出来
log.info("pod info \n{}", new GsonBuilder().setPrettyPrinting().create().toJson(pods));
return pods;
}
}