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Update host_integration.md (#2481) 

systemd Working with Instantiated Units
It will work flexibly
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Sensori Rios 2017-04-08 05:47:03 +09:00 committed by Misty Stanley-Jones
parent 3a1c56000e
commit acd9c2158c
1 changed files with 11 additions and 11 deletions
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engine/admin/host_integration.md
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@ -59,40 +59,40 @@ a new service that will be started after the docker daemon service has started.
### systemd
[Unit]
Description=Redis container
Description=Docker Container %I
Requires=docker.service
After=docker.service
[Service]
Restart=always
ExecStart=/usr/bin/docker start -a redis_server
ExecStop=/usr/bin/docker stop -t 2 redis_server
ExecStart=/usr/bin/docker start -a %i
ExecStop=/usr/bin/docker stop -t 2 %i
[Install]
WantedBy=default.target
If you intend to use this as a system service, put the above contents in a file
in the `/etc/systemd/system` directory, e.g.
`/etc/systemd/system/docker-redis_server.service`.
`/etc/systemd/system/docker-container@.service`.
If you need to pass options to the redis container (such as `--env`),
then you'll need to use `docker run` rather than `docker start`. This will
create a new container every time the service is started, which will be stopped
and removed when the service is stopped. Make sure you don't use "`-d`" for
"detached mode". The command run from "`ExecStart`" needs to run in the foreground.
systemctl edit docker-container@redis_server.service
[Service]
...
ExecStart=/usr/bin/docker run --env foo=bar --name redis_server redis
ExecStop=/usr/bin/docker stop -t 2 redis_server
ExecStopPost=/usr/bin/docker rm -f redis_server
...
ExecStart=
ExecStart=/usr/bin/docker run --env foo=bar --name %i redis
ExecStopPost=/usr/bin/docker rm -f %i
To start using the service, reload systemd and start the service:
systemctl daemon-reload
systemctl start docker-redis_server.service
systemctl start docker-container@redis_server.service
To enable the service at system startup, execute:
systemctl enable docker-redis_server.service
systemctl enable docker-container@redis_server.service