例如:查询正在运行的容器列表,HTTP 方式以下:git
$ curl --unix-socket /var/run/docker.sock http:/v1.24/containers/json
[{
"Id":"ae63e8b89a26f01f6b4b2c9a7817c31a1b6196acf560f66586fbc8809ffcd772",
"Names":["/tender_wing"],
"Image":"bfirsh/reticulate-splines",
...
}]复制代码
在本机执行以下命令github
curl -v --unix-socket /var/run/docker.sock http:/v1.24/containers/json
复制代码
一、引入 UnixSocket 工具包面试
<dependency>
<groupId>com.github.jnr</groupId>
<artifactId>jnr-unixsocket</artifactId>
<version>0.18</version>
</dependency>复制代码
二、测试代码docker
public static void main(String[] args) {
// 创建 Unix Socket 链接
File sockFile = new File("/var/run/docker.sock");
UnixSocketAddress address = new UnixSocketAddress(sockFile);
UnixSocketChannel channel = UnixSocketChannel.open(address);
UnixSocket unixSocket = new UnixSocket(channel);
// 调用 Docker API
PrintWriter w = new PrintWriter(unixSocket.getOutputStream());
w.println("GET /v1.24/containers/json HTTP/1.1");
w.println("Host: http");
w.println("Accept: */*");
w.println("");
w.flush();
// 关闭 Output,不然会致使下面的 read 操做一直阻塞
unixSocket.shutdownOutput();
// 获取返回结果
System.out.println("---- Docker Response ----");
BufferedReader br = new BufferedReader(new InputStreamReader(unixSocket.getInputStream()));
String line;
while ((line = br.readLine()) != null){
System.out.println(line);
}
unixSocket.close();
}复制代码
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