docker默认通讯方式只支持本地形式调用,不支持TCP远程,如何增加docker支持通过TCP方式管理docker,可通过配置文件形式,各个版本的方式配置不同,以下会针对某一个版本进行演示。
使用说明
演示版本
[root@test1 docker]# docker --versionDocker version 17.06.0-ce, build 02c1d87
演示系统Centos7
[root@test1 docker]# uname -aLinux test1 3.10.0-514.21.2.el7.x86_64 #1 SMP Tue Jun 20 12:24:47 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
简易版本
创建/etc/docker/daemon.json
文件
{ "hosts": ["tcp://0.0.0.0:2376","unix:///var/run/docker.sock"] }
复杂版本
配置
cat /lib/systemd/system/docker.service
[Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network-online.target firewalld.service Wants=network-online.target [Service] Type=notify# the default is not to use systemd for cgroups because the delegate issues still# exists and systemd currently does not support the cgroup feature set required# for containers run by dockerExecStart=/usr/bin/dockerd ExecReload=/bin/kill -s HUP $MAINPID# Having non-zero Limit*s causes performance problems due to accounting overhead# in the kernel. We recommend using cgroups to do container-local accounting.LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity# Uncomment TasksMax if your systemd version supports it.# Only systemd 226 and above support this version.#TasksMax=infinityTimeoutStartSec=0# set delegate yes so that systemd does not reset the cgroups of docker containersDelegate=yes# kill only the docker process, not all processes in the cgroupKillMode=process# restart the docker process if it exits prematurelyRestart=on-failure StartLimitBurst=3 StartLimitInterval=60s [Install] WantedBy=multi-user.target
将以上配置中的
ExecStart=/usr/bin/dockerd
修改为
ExecStart=/usr/bin/dockerd -H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375
通用部分
重启docker网络
systemctl daemon-reload
重启docker服务
systemctl restart docker
即可进行本地或远程API调用
作者:dounine
链接:https://www.jianshu.com/p/8a67950d4879
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