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#!/bin/sh
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
main()
{
# Handle opts
while getopts ":hi:t:" opt
do
case "$opt" in
h) usage && exit 0 ;;
i) DOCKER_IMAGE="$OPTARG" ;;
t) DOCKER_TAG="$OPTARG" ;;
*)
printf "Invalid option passed: %s\n" "$OPTARG" >&2
;;
esac
done
shift $(( OPTIND - 1 ))
[ -z "$DOCKER_IMAGE" ] && DOCKER_IMAGE="alpine"
[ -z "$DOCKER_TAG" ] && DOCKER_TAG="latest"
kubectl run "shell-$(uuidgen)" \
--image "$DOCKER_IMAGE:$DOCKER_TAG" \
--restart=Never \
--rm \
--stdin \
--tty \
"$@" \
-- /bin/sh
}
usage()
{
cat <<EOF
Usage:
${0##*/} -h
Shorthand to spawn a single pod with an interactive shell into your Kubernetes
cluster.
Options:
-h Show this help text and exit.
EOF
}
main "$@"
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