From: Frank Brehm Date: Tue, 28 May 2019 11:49:08 +0000 (+0200) Subject: Starting with bin/get-k8s-master-configs X-Git-Tag: 0.4.1~11^2~3 X-Git-Url: https://git.uhu-banane.net/?a=commitdiff_plain;h=5c61e61fd3a08389a8aa5b30c2cc4b4409589ad6;p=pixelpark%2Fpp-admin-tools.git Starting with bin/get-k8s-master-configs --- diff --git a/bin/get-k8s-master-configs b/bin/get-k8s-master-configs new file mode 100755 index 0000000..6bfc3e4 --- /dev/null +++ b/bin/get-k8s-master-configs @@ -0,0 +1,237 @@ +#!/usr/bin/env bash + +export LC_ALL=C +export LANG=C + +VERBOSE="n" +DEBUG="n" +QUIET='n' + +VERSION="0.1" + +# console colors: +RED="" +YELLOW="" +GREEN="" +BLUE="" +NORMAL="" + +HAS_TTY='y' + +BASENAME="$(basename ${0})" +BASE_DIR="$(dirname ${0})" + +REL_K8S_CFGDIR='.kube' +REL_K8S_CFGFILE='config.yaml' + +#------------------------------------------------------------------- +detect_color() { + + local safe_term="${TERM//[^[:alnum:]]/?}" + local match_lhs="" + local use_color="false" + [[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)" + [[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(/dev/null \ + && match_lhs=$(dircolors --print-database) + [[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color="true" + + # console colors: + if [ "${use_color}" = "true" ] ; then + RED="\033[38;5;196m" + YELLOW="\033[38;5;226m" + GREEN="\033[38;5;46m" + BLUE="\033[38;5;27m" + NORMAL="\033[39m" + else + RED="" + YELLOW="" + GREEN="" + BLUE="" + NORMAL="" + fi + + local my_tty=$(tty) + if [[ "${my_tty}" =~ 'not a tty' ]] ; then + my_tty='-' + fi + + if [[ "${my_tty}" = '-' || "${safe_term}" = "dump" ]] ; then + HAS_TTY='n' + fi + +} +detect_color + +#------------------------------------------------------------------------------ +description() { + echo -e $( cat <<-EOF + Gets the current root Kubernetes configuration files of both live + and stage Kubernetes of Sparkasse. + + Only the user '${GREEN}root${NORMAL}' may execute this script. + + EOF + ) +} + +#------------------------------------------------------------------------------ +usage() { + cat <<-EOF + Usage: ${BASENAME} [-d|--debug] [[-v|--verbose] | [-q|--quiet]]] [--nocolor] + ${BASENAME} [-h|--help] + ${BASENAME} [-V|--version] + + Options: + -d|--debug Debug output (bash -x). + -v|--verbose Set verbosity on. Mutually exclusive to '--quiet'. + -q|--quiet Quiet execution, only errors and warnings are shown. + --nocolor Don't use colors on display. + -h|--help Show this output and exit. + -V|--version prints out version number of the script and exit + EOF +} + + +#------------------------------------------------------------------------------ +get_options() { + + local tmp= + local base_dir= + + set +e + tmp=$( getopt -o dvqhV \ + --long debug,verbose,quiet,nocolor,help,version \ + -n "${BASENAME}" -- "$@" ) + if [[ $? != 0 ]] ; then + echo "" >&2 + usage >&2 + exit 1 + fi + set -e + + # Note the quotes around `$TEMP': they are essential! + eval set -- "${tmp}" + + local p= + + while true ; do + case "$1" in + -d|--debug) + DEBUG="y" + shift + ;; + -v|--verbose) + VERBOSE="y" + shift + ;; + -q|--quiet) + QUIET="y" + RED="" + YELLOW="" + GREEN="" + BLUE="" + NORMAL="" + shift + ;; + --nocolor) + RED="" + YELLOW="" + GREEN="" + BLUE="" + NORMAL="" + shift + ;; + -h|--help) + description + echo + usage + exit 0 + ;; + -V|--version) + echo "${BASENAME} version: ${VERSION}" + exit 0 + ;; + --) shift + break + ;; + *) echo "Internal error!" + exit 1 + ;; + esac + done + + if [[ "${DEBUG}" = "y" ]] ; then + set -x + fi + if [[ "${VERBOSE}" == "y" && "${QUIET}" == "y" ]] ; then + error "The parameters '${RED}${VERBOSE}${NORMAL}' and '${RED}${VERBOSE}${NORMAL}' are mutually exclusive." + usage >&2 + exit 1 + fi + + local cur_user_id=$( id -u ) + if [[ "${cur_user_id}" != "0" ]] ; then + error "Wrong user '${RED}$( id -u -n )${NORMAL}'." + echo >&2 + description >&2 + echo + usage >&2 + exit 1 + fi + +} + +######################################### +# Some often used funktions + +#------------------------------------------------------------------------------ +my_date() { + date +'%F %T.%N %:::z' +} + +#------------------------------------------------------------------------------ +debug() { + if [[ "${VERBOSE}" != "y" ]] ; then + return 0 + fi + echo -e " * [$(my_date)] [${BASENAME}:DEBUG]: $@" +} + +#------------------------------------------------------------------------------ +info() { + if [[ "${QUIET}" == "y" ]] ; then + return + fi + echo -e " ${GREEN}*${NORMAL} [$(my_date)] [${BASENAME}:${GREEN}INFO${NORMAL}] : $@" +} + +#------------------------------------------------------------------------------ +warn() { + echo -e " ${YELLOW}*${NORMAL} [$(my_date)] [${BASENAME}:${YELLOW}WARN${NORMAL}] : $@" >&2 +} + +#------------------------------------------------------------------------------ +error() { + echo -e " ${RED}*${NORMAL} [$(my_date)] [${BASENAME}:${RED}ERROR${NORMAL}]: $@" >&2 +} + +################################################################################ +## +## Main +## +################################################################################ + +#------------------------------------------------------------------------------ +main() { + + get_options "$@" + +} + +main "$@" + +exit 0 + +# vim: ts=4 et list