CoreOS无法在启动时拉出docker容器

[weixin_38050648]

在关注systemd guide之后,我遇到了这个示例配置的问题： [Unit] Description=MyApp After=docker.service Requires=docker.service [Service] TimeoutStartSec=0 ExecStartPre=-/usr/bin/docker kill busybox1 ExecStartPre=-/usr/bin/docker rm busybox1 ExecStartPre=/usr/bin/docker pull busybox ExecStart=/usr/bin/docker run --name busybox1 busybox /bin/sh -c "while true; do echo Hello World; sleep 1; done" [Install] WantedBy=multi-user.target 如果我在系统运行时运行“systemctl start hello”,则docker将启动,但是如果我启动“hello.service”以通过systemd启动并重启机器,则会收到以下错误： -- Reboot -- Mar 15 01:17:44 general systemd[1]: Starting MyApp... Mar 15 01:17:47 general docker[510]: Error response from daemon: No such container: busybox1 Mar 15 01:17:47 general docker[510]: time="2015-03-15T01:17:47Z" level="fatal" msg="Error: failed to kill one or more containers" Mar 15 01:17:47 general docker[637]: Error response from daemon: No such container: busybox1 Mar 15 01:17:47 general docker[637]: time="2015-03-15T01:17:47Z" level="fatal" msg="Error: failed to remove one or more containers" Mar 15 01:17:47 general systemd[1]: hello.service: control process exited, code=exited status=1 Mar 15 01:17:47 general systemd[1]: Failed to start MyApp. Mar 15 01:17:47 general systemd[1]: Unit hello.service entered failed state. Mar 15 01:17:47 general systemd[1]: hello.service failed. Mar 15 01:17:47 general docker[673]: Pulling repository busybox Mar 15 01:17:47 general docker[673]: time="2015-03-15T01:17:47Z" level="fatal" msg="Get https://index.docker.io/v1/repositories/library/busybox/images: dial tcp: lookup index.docker.io: connection refused" 我有什么问题吗？

[weixin_38061608]

如果要在引导时运行它,则应该依赖network-online.target服务.在运行docker pull命令之前,您需要确保网络已启动.有关详细信息,请参阅systemd文档中的“Running Services After the Network is up”. 以下适用于我： [Unit] Description=MyApp Requires=docker.service network-online.target After=docker.service network-online.target [Service] TimeoutStartSec=0 ExecStartPre=-/usr/bin/docker kill busybox1 ExecStartPre=-/usr/bin/docker rm busybox1 ExecStartPre=/usr/bin/docker pull busybox ExecStart=/usr/bin/docker run --name busybox1 busybox /bin/sh -c "while true; do echo Hello World; sleep 1; done" [Install] WantedBy=multi-user.target