Autocompletion for the CLI is supported for bash and zsh. It was released with the 1.12 release so the CLI must be version 0.7.x or later. Please see the DC/OS CLI Binaries page for a correct version. You will also need to have the dcos executable in your $PATH.

Autocompletion for the CLI will only complete commands that are available at the time of completion. If you are not attached to any cluster, only the following commands will be able to complete: auth, cluster, config, help and plugin. To complete other commands you must be attached to a cluster and hae added the respective plugins.

Completions are available for the CORE CLI plugin and the EE CLI plugin.

Bash

If you want to enable autocompletion for the CLI in bash you must install bash-completion.

macOS: brew install bash-completion
Debian/Ubuntu: apt-get install bash-completion

Now to activate the completions you must add two lines to your .profile:

[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion
eval "$(dcos completion bash)"

Zsh

If you want to enable autocompletion for the CLI in zsh you must add the following two lines to your .zshrc:

autoload -Uz bashcompinit && bashcompinit
eval "$(dcos completion zsh)"