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beli-sk/kubetmp.sh

Last active February 25, 2019 13:43
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Kubernetes: kubectl temporary environment per session
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kubetmp.sh
#!/bin/bash
# to be sourced by interactive shell or added to .bashrc
#
# kubectl temporary environment per session
# - any `kubectl config` changes (like use-context) go to temporary file
#
KUBETMPDIR=`mktemp -d`
[[ "$1" == "--merged" || "$1" == "-m" ]] && touch "${KUBETMPDIR}/kubeconfig" || cp "${HOME}/.kube/config" "${KUBETMPDIR}/kubeconfig"
eval "function kubetmp_cleanup {
rm -f ${KUBETMPDIR}/kubeconfig
rmdir ${KUBETMPDIR}
}"
export KUBECONFIG="${KUBETMPDIR}/kubeconfig:${HOME}/.kube/config"
unset KUBETMPDIR
trap kubetmp_cleanup EXIT
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