truestuff/fix-kubectl

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#! /usr/bin/env bash
BASE_0="$(basename ${0#-})"
BASE_SHELL="$(basename "$SHELL")"
if [[ -z "${BASE_0}" || "${BASE_0}" == "$BASE_SHELL" ]]; then
[[ -n "$KUBECONFIG" && -r "$KUBECONFIG" ]] || unset KUBECONFIG
[[ ! -r "$HOME/.kube/config" ]] \
|| export KUBECONFIG="${KUBECONFIG:-$HOME/.kube/config}"
if [[ -z "$KUBECONFIG" && -z "$FIX_KUBECTL_RECALL" ]]; then
unset kubectl 2>/dev/null || unalias kubectl 2>/dev/null || true
export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
fi
[[ 'function' == $(type -t kubectl-fix) ]] && unset kubectl-fix
if [[ -n "$(type -t 'k3s')" && -z "$(type -t 'kubectl')" ]]; then
if [[ -r "${KUBECONFIG}" ]]; then
kubectl() { k3s kubectl "${@}"; }
elif [[ -n "${KUBECONFIG}" && -e "${KUBECONFIG}" ]]; then
eval "
kubectl-fix() {
mkdir \"$HOME/.kube\" -p
if [[ -e \"\${KUBECONFIG}\" && ! -r \"$HOME/.kube/config\" ]]; then
sudo install --mod 600 --owner \"$USER\" \"\${KUBECONFIG}\" \"$HOME/.kube/config\"
unset KUBECONFIG
fi
FIX_KUBECTL_RECALL=1 . \"$SCRIPT_FULL_PATH\"
}"
fi
fi
if [[ -n "$(type -t 'kubectl')" ]]; then
. <( kubectl completion ${SHELL##*/} )
if [[ -n "$(type -t 'kubectl-cnpg')" ]]; then
. <( kubectl cnpg completion ${SHELL##*/} )
fi
if [[ -z "$(type -t 'kubectl-cnpg')" || -n "$UPGRADE" ]]; then
DL_VER=1.21.1
GH_URL=https://github.com/cloudnative-pg/cloudnative-pg
DL_FILE="kubectl-cnpg_${DL_VER}_linux_x86_64.deb"
URL=${GH_URL}/releases/download/v${DL_VER}/${DL_FILE}
printf '%s\n' \
'To download and install cnpg kubectl plugin, run:' \
" curl -sSLO ${URL}" \
" sudo dpkg -i $DL_FILE"
fi
if [[ -z "$(type -t 'kubetui')" || -n "$UPGRADE" ]]; then
DL_VER=1.4.2
GH_URL=https://github.com/sarub0b0/kubetui
DL_FILE=kubetui-x86_64-unknown-linux-musl-rustls
URL=${GH_URL}/releases/download/v${DL_VER}/${DL_FILE}
printf '%s\n' \
'To download and install kubetui, run:' \
" curl -sSL ${URL} > ~/bin/kubetui" \
" chmod +x ~/bin/kubetui"
fi
if [[ -z "$(type -t 'k9s')" || -n "$UPGRADE" ]]; then
printf '%s\n' \
'To download and install k9s, run:' \
" curl -sS https://webinstall.dev/k9s | bash"
fi
if [[ -n "$(type -t 'k3s')" ]]; then
. <( k3s completion "${SHELL##*/}" )
fi
if [[ -n "$(type -t 'helm')" ]]; then
. <( helm completion "${SHELL##*/}" 2>/dev/null )
fi
kg() {
kubectl get ${NS:+--namespace=}${NS:---all-namespaces} "${@}" | { sed -u 1q; sort; }
}
fi
elif [[ "$1" == '-' ]]; then
cat "${BASH_SOURCE[0]}"
else
SCRIPT_NAME="$BASE_0"
printf '%s\n' \
"It seems $SCRIPT_NAME was invoked as a script. It should be sourced instead." \
'The easiest way is to call it like this:' \
" $ . <( $SCRIPT_NAME - ) # Note the '-' after the script's name" \
''
fi