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I'm using kubectl from within a docker container running on a Mac. I've already successfully configured the bash completion for kubectl to work on the Mac, however, it doesn't work within the docker container. I always get bash: _get_comp_words_by_ref: command not found.
The docker image is based on ubuntu:16.04 and kubectl is installed via the line (snippet from the dockerfile)
curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && \
mv kubectl /usr/local/bin
echo $BASH_VERSION gives me 4.3.48(1)-release, and according to apt, the bash-completionpackage is installed.
I'm using iTerm2 as terminal.
Any idea why it doesn't work or how to get it to work?
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To use shell autocompletion with kubectl simply press tab while writing out a command. For example we can type g and then press tab to autocomplete to get . When we type s you may expect pressing tab would autocomplete to service, but in this case there are more than a few options for words starting with s .
If the autocomplete results contain directories only (no files), then Bash Completion is installed. If the autocomplete results include files, then Bash Completion is not installed.
Ok, I found it - I simply needed to do a source /etc/bash_completion before or after the source <(kubectl completion bash).
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