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Add DOCKER_HOST env var for client

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This env var will set the -H flag on the docker
client.
This commit is contained in:
Michael Crosby 2013-12-20 19:30:41 -05:00
parent aa619de748
commit f50b8b08b5
2 changed files with 19 additions and 2 deletions
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9
docker/docker.go
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@ -52,8 +52,13 @@ func main() {
return
}
if flHosts.Len() == 0 {
// If we do not have a host, default to unix socket
flHosts.Set(fmt.Sprintf("unix://%s", docker.DEFAULTUNIXSOCKET))
defaultHost := os.Getenv("DOCKER_HOST")
if defaultHost == "" || *flDaemon {
// If we do not have a host, default to unix socket
defaultHost = fmt.Sprintf("unix://%s", docker.DEFAULTUNIXSOCKET)
}
flHosts.Set(defaultHost)
}
if *bridgeName != "" && *bridgeIp != "" {

12
docs/sources/commandline/cli.rst
View file

@ -52,6 +52,18 @@ To set the dns server for all docker containers, use ``docker -d -dns 8.8.8.8``
To run the daemon with debug output, use ``docker -d -D``
The docker client will also honor the ``DOCKER_HOST`` environment variable to set
the ``-H`` flag for the client.
::
docker -H tcp://0.0.0.0:4243 ps
# or
export DOCKER_HOST="tcp://0.0.0.0:4243"
docker ps
# both are equal
.. _cli_attach:
``attach``