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This patch adds some bash helper scripts. * docker-machine.bash - command completion for docker-machine * docker-machine-prompt.bash - function for putting the active machine name in PS1 * docker-machine-wrapper.bash - function wrapper adding an `use` command that runs `eval $(docker-machine env whatever)` in the current shell. Signed-off-by: David M. Lee <dlee@respoke.io>
57 lines
1.5 KiB
Bash
57 lines
1.5 KiB
Bash
#
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# Function wrapper to docker-machine that adds a use subcommand.
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#
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# The use subcommand runs `eval "$(docker-machine env [args])"`, which is a lot
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# less typing.
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#
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# To enable:
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# 1a. Copy this file somewhere and source it in your .bashrc
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# source /some/where/docker-machine-wrapper.bash
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# 1b. Alternatively, just copy this file into into /etc/bash_completion.d
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#
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# Configuration:
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#
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# DOCKER_MACHINE_WRAPPED
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# When set to a value other than true, this will disable the alias wrapper
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# alias for docker-machine. This is useful if you don't want the wrapper,
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# but it is installed by default by your installation.
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#
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: ${DOCKER_MACHINE_WRAPPED:=true}
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__docker-machine-wrapper () {
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if [[ "$1" == use ]]; then
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# Special use wrapper
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shift 1
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case "$1" in
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-h|--help|"")
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cat <<EOF
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Usage: docker-machine use [OPTIONS] [arg...]
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Evaluate the commands to set up the environment for the Docker client
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Description:
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Argument is a machine name.
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Options:
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--swarm Display the Swarm config instead of the Docker daemon
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--unset, -u Unset variables instead of setting them
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EOF
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;;
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*)
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eval "$(docker-machine env "$@")"
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echo "Active machine: ${DOCKER_MACHINE_NAME}"
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;;
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esac
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else
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# Just call the actual docker-machine app
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$(which docker-machine) "$@"
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fi
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}
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if [[ ${DOCKER_MACHINE_WRAPPED} = true ]]; then
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alias docker-machine=__docker-machine-wrapper
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fi
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