kubectl wrapper

kubektl

#!/usr/bin/env zsh

#
# INSTALLATION
#
# ln -s ${PWD}/kubektl $(brew --prefix)/bin/
# sudo ln -s ${PWD}/kubektl /usr/local/bin/
#

# set -euxo pipefail ;

current_context=$(command kubectl config current-context) ;
> /dev/tty printf "Current context: \"%s\".\n" "${current_context}" ;

kube_context() {
	label=$(echo "Select a kube context ..."|lolcat -f) ;
	command kubectl config view | yq '.contexts[].name' | \
	fzf --bind backward-eof:abort --height="~100%" --border --border-label="> ${label} <" ;
}

selected_context=$(kube_context) ;
[ -z "${selected_context}" ] && selected_context="${current_context}" ;

context="--context=${selected_context}" ;
> /dev/tty printf "Selected context: \"%s\".\n" "${selected_context}" ;

kube_namespace() {
	label=$(echo "Select a kube namespace ..."|lolcat -f) ;
	command kubectl "${context}" --output=json get namespaces | \
	jq -r '.items[].metadata.name' | \
	# jq -r '.items[] | select(.status.phase=="Active") | .metadata.name'
	fzf --height="~100%" --border --border-label="> ${label} <" ;
}

kube_pod() {
	label=$(echo "Select a kube pod ..."|lolcat -f) ;
	command kubectl "${context}" --output=json --namespace "${namespace}" get pods | \
	jq -r '.items[]|.metadata.name' | \
	# jq -r '.items[] | select(.status.phase=="Running") | .metadata.name'
	fzf --height="~100%" --border --border-label="> ${label} <" ;
}


pod_container() {
	label=$(echo "Select a pod container ..."|lolcat -f) ;
	command kubectl "${context}" --output=json --namespace "${namespace}" get pods "${pod}" | \
	jq -r '.spec.containers[].name' | \
	fzf --height="~100%" --border --border-label="> ${label} <" ;
}

case $1 in
	"exec")
		namespace=$(kube_namespace) ;
		pod=$(kube_pod) ;
		container=$(pod_container) ;

		command kubectl "${context}" exec -it --namespace "${namespace}" "${pod}" --container "${container}" -- /bin/sh ;
		;;
	"logs")
		namespace=$(kube_namespace) ;
		pod=$(kube_pod) ;
		container=$(pod_container) ;

		command kubectl "${context}" logs -f --namespace "${namespace}" "${pod}" --container "${container}" ;
		;;
	"delete")
		namespace=$(kube_namespace) ;
		pod=$(kube_pod) ;

		command kubectl "${context}" delete pod --namespace "${namespace}" "${pod}" --now --interactive ;
		;;
	*)
		command kubectl "${context}" "$@" ;
		;;
esac

# That's all Folks!