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			1685 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1685 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env bash
 | |
| # -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
 | |
| # SPDX-License-Identifier: AGPL-3.0-or-later
 | |
| # shellcheck disable=SC2059,SC1117
 | |
| 
 | |
| # ubuntu, debian, arch, fedora, centos ...
 | |
| DIST_ID=$(
 | |
|     source /etc/os-release
 | |
|     echo "$ID"
 | |
| )
 | |
| # shellcheck disable=SC2034
 | |
| DIST_VERS=$(
 | |
|     source /etc/os-release
 | |
|     echo "$VERSION_ID"
 | |
| )
 | |
| # shellcheck disable=SC2034
 | |
| DIST_VERSION_CODENAME=$(
 | |
|     source /etc/os-release
 | |
|     echo "$VERSION_CODENAME"
 | |
| )
 | |
| 
 | |
| ADMIN_NAME="${ADMIN_NAME:-$(git config user.name)}"
 | |
| ADMIN_NAME="${ADMIN_NAME:-$USER}"
 | |
| 
 | |
| ADMIN_EMAIL="${ADMIN_EMAIL:-$(git config user.email)}"
 | |
| ADMIN_EMAIL="${ADMIN_EMAIL:-$USER@$(hostname)}"
 | |
| 
 | |
| if [[ -z "${REPO_ROOT}" ]]; then
 | |
|     REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")
 | |
|     while [ -h "${REPO_ROOT}" ]; do
 | |
|         REPO_ROOT=$(readlink "${REPO_ROOT}")
 | |
|     done
 | |
|     REPO_ROOT=$(cd "${REPO_ROOT}/.." && pwd -P)
 | |
| fi
 | |
| 
 | |
| if [[ -z ${TEMPLATES} ]]; then
 | |
|     TEMPLATES="${REPO_ROOT}/utils/templates"
 | |
| fi
 | |
| 
 | |
| if [[ -z "$CACHE" ]]; then
 | |
|     CACHE="${REPO_ROOT}/cache"
 | |
| fi
 | |
| 
 | |
| if [[ -z ${DIFF_CMD} ]]; then
 | |
|     DIFF_CMD="diff -u"
 | |
|     if command -v colordiff >/dev/null; then
 | |
|         DIFF_CMD="colordiff -u"
 | |
|     fi
 | |
| fi
 | |
| 
 | |
| DOT_CONFIG="${DOT_CONFIG:-${REPO_ROOT}/.config.sh}"
 | |
| 
 | |
| source_dot_config() {
 | |
|     if [[ ! -e "${DOT_CONFIG}" ]]; then
 | |
|         err_msg "configuration does not exists at: ${DOT_CONFIG}"
 | |
|         return 42
 | |
|     fi
 | |
|     # shellcheck disable=SC1090
 | |
|     source "${DOT_CONFIG}"
 | |
| }
 | |
| 
 | |
| sudo_or_exit() {
 | |
|     # usage: sudo_or_exit
 | |
| 
 | |
|     if [ ! "$(id -u)" -eq 0 ]; then
 | |
|         err_msg "this command requires root (sudo) privilege!" >&2
 | |
|         exit 42
 | |
|     fi
 | |
| }
 | |
| 
 | |
| required_commands() {
 | |
| 
 | |
|     # usage:  required_commands [cmd1 ...]
 | |
| 
 | |
|     local exit_val=0
 | |
|     while [ -n "$1" ]; do
 | |
| 
 | |
|         if ! command -v "$1" &>/dev/null; then
 | |
|             err_msg "missing command $1"
 | |
|             exit_val=42
 | |
|         fi
 | |
|         shift
 | |
|     done
 | |
|     return $exit_val
 | |
| }
 | |
| 
 | |
| # colors
 | |
| # ------
 | |
| 
 | |
| # shellcheck disable=SC2034
 | |
| set_terminal_colors() {
 | |
|     # https://en.wikipedia.org/wiki/ANSI_escape_code
 | |
| 
 | |
|     # CSI (Control Sequence Introducer) sequences
 | |
|     _show_cursor='\e[?25h'
 | |
|     _hide_cursor='\e[?25l'
 | |
| 
 | |
|     # SGR (Select Graphic Rendition) parameters
 | |
|     _creset='\e[0m' # reset all attributes
 | |
| 
 | |
|     # original specification only had 8 colors
 | |
|     _colors=8
 | |
| 
 | |
|     _Black='\e[0;30m'
 | |
|     _White='\e[1;37m'
 | |
|     _Red='\e[0;31m'
 | |
|     _Green='\e[0;32m'
 | |
|     _Yellow='\e[0;33m'
 | |
|     _Blue='\e[0;94m'
 | |
|     _Violet='\e[0;35m'
 | |
|     _Cyan='\e[0;36m'
 | |
| 
 | |
|     _BBlack='\e[1;30m'
 | |
|     _BWhite='\e[1;37m'
 | |
|     _BRed='\e[1;31m'
 | |
|     _BGreen='\e[1;32m'
 | |
|     _BYellow='\e[1;33m'
 | |
|     _BBlue='\e[1;94m'
 | |
|     _BPurple='\e[1;35m'
 | |
|     _BCyan='\e[1;36m'
 | |
| }
 | |
| 
 | |
| if [ ! -p /dev/stdout ] && [ ! "$TERM" = 'dumb' ] && [ ! "$TERM" = 'unknown' ]; then
 | |
|     set_terminal_colors
 | |
| fi
 | |
| 
 | |
| # reST
 | |
| # ----
 | |
| 
 | |
| if command -v fmt >/dev/null; then
 | |
|     export FMT="fmt -u"
 | |
| else
 | |
|     export FMT="cat"
 | |
| fi
 | |
| 
 | |
| rst_title() {
 | |
|     # usage: rst_title <header-text> [part|chapter|section]
 | |
| 
 | |
|     case ${2-chapter} in
 | |
|         part) printf "\n${_BGreen}${1//?/=}${_creset}\n${_BCyan}${1}${_creset}\n${_BGreen}${1//?/=}${_creset}\n" ;;
 | |
|         chapter) printf "\n${_BCyan}${1}${_creset}\n${_BGreen}${1//?/=}${_creset}\n" ;;
 | |
|         section) printf "\n${_BCyan}${1}${_creset}\n${_BGreen}${1//?/-}${_creset}\n" ;;
 | |
|         *)
 | |
|             err_msg "invalid argument '${2}' in line $(caller)"
 | |
|             return 42
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| rst_para() {
 | |
|     # usage:  RST_INDENT=1 rst_para "lorem ipsum ..."
 | |
|     local prefix=''
 | |
|     if [[ -n $RST_INDENT ]] && [[ $RST_INDENT -gt 0 ]]; then
 | |
|         prefix="$(for i in $(seq 1 "$RST_INDENT"); do printf "  "; done)"
 | |
|         echo -en "\n$*\n" | $FMT | prefix_stdout "$prefix"
 | |
|     else
 | |
|         echo -en "\n$*\n" | $FMT
 | |
|     fi
 | |
| }
 | |
| 
 | |
| die() {
 | |
|     echo -e "${_BRed}ERROR:${_creset} ${BASH_SOURCE[1]}: line ${BASH_LINENO[0]}: ${2-died ${1-1}}" >&2
 | |
|     exit "${1-1}"
 | |
| }
 | |
| 
 | |
| die_caller() {
 | |
|     echo -e "${_BRed}ERROR:${_creset} ${BASH_SOURCE[2]}: line ${BASH_LINENO[1]}: ${FUNCNAME[1]}(): ${2-died ${1-1}}" >&2
 | |
|     exit "${1-1}"
 | |
| }
 | |
| 
 | |
| err_msg() { echo -e "${_BRed}ERROR:${_creset} $*" >&2; }
 | |
| warn_msg() { echo -e "${_BBlue}WARN:${_creset}  $*" >&2; }
 | |
| info_msg() { echo -e "${_BYellow}INFO:${_creset}  $*" >&2; }
 | |
| 
 | |
| build_msg() {
 | |
|     local tag="$1        "
 | |
|     shift
 | |
|     echo -e "${_Blue}${tag:0:10}${_creset}$*"
 | |
| }
 | |
| 
 | |
| dump_return() {
 | |
| 
 | |
|     # Use this as last command in your function to prompt an ERROR message if
 | |
|     # the exit code is not zero.
 | |
| 
 | |
|     local err=$1
 | |
|     [ "$err" -ne "0" ] && err_msg "${FUNCNAME[1]} exit with error ($err)"
 | |
|     return "$err"
 | |
| }
 | |
| 
 | |
| clean_stdin() {
 | |
|     if [[ $(uname -s) != 'Darwin' ]]; then
 | |
|         while read -r -n1 -t 0.1; do :; done
 | |
|     fi
 | |
| }
 | |
| 
 | |
| wait_key() {
 | |
|     # usage: wait_key [<timeout in sec>]
 | |
| 
 | |
|     clean_stdin
 | |
|     local _t=$1
 | |
|     local msg="${MSG}"
 | |
|     [[ -z "$msg" ]] && msg="${_Green}** press any [${_BCyan}KEY${_Green}] to continue **${_creset}"
 | |
| 
 | |
|     [[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
 | |
|     [[ -n $_t ]] && _t="-t $_t"
 | |
|     printf "$msg"
 | |
|     # shellcheck disable=SC2229
 | |
|     # shellcheck disable=SC2086
 | |
|     read -r -s -n1 $_t || true
 | |
|     echo
 | |
|     clean_stdin
 | |
| }
 | |
| 
 | |
| ask_yn() {
 | |
|     # usage: ask_yn <prompt-text> [Ny|Yn] [<timeout in sec>]
 | |
| 
 | |
|     local EXIT_YES=0 # exit status 0 --> successful
 | |
|     local EXIT_NO=1  # exit status 1 --> error code
 | |
| 
 | |
|     local _t=$3
 | |
|     [[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
 | |
|     [[ -n $_t ]] && _t="-t $_t"
 | |
|     case "${FORCE_SELECTION:-${2}}" in
 | |
|         Y) return ${EXIT_YES} ;;
 | |
|         N) return ${EXIT_NO} ;;
 | |
|         Yn)
 | |
|             local exit_val=${EXIT_YES}
 | |
|             local choice="[${_BGreen}YES${_creset}/no]"
 | |
|             local default="Yes"
 | |
|             ;;
 | |
|         *)
 | |
|             local exit_val=${EXIT_NO}
 | |
|             local choice="[${_BGreen}NO${_creset}/yes]"
 | |
|             local default="No"
 | |
|             ;;
 | |
|     esac
 | |
|     echo
 | |
|     while true; do
 | |
|         clean_stdin
 | |
|         printf "$1 ${choice} "
 | |
|         # shellcheck disable=SC2086,SC2229
 | |
|         read -r -n1 $_t
 | |
|         if [[ -z $REPLY ]]; then
 | |
|             printf "$default\n"
 | |
|             break
 | |
|         elif [[ $REPLY =~ ^[Yy]$ ]]; then
 | |
|             exit_val=${EXIT_YES}
 | |
|             printf "\n"
 | |
|             break
 | |
|         elif [[ $REPLY =~ ^[Nn]$ ]]; then
 | |
|             exit_val=${EXIT_NO}
 | |
|             printf "\n"
 | |
|             break
 | |
|         fi
 | |
|         _t=""
 | |
|         err_msg "invalid choice"
 | |
|     done
 | |
|     clean_stdin
 | |
|     return $exit_val
 | |
| }
 | |
| 
 | |
| tee_stderr() {
 | |
| 
 | |
|     # usage::
 | |
|     #   tee_stderr 1 <<EOF | python -i
 | |
|     #   print("hello")
 | |
|     #   EOF
 | |
|     #   ...
 | |
|     #   >>> print("hello")
 | |
|     #    hello
 | |
| 
 | |
|     local _t="0"
 | |
|     if [[ -n $1 ]]; then _t="$1"; fi
 | |
| 
 | |
|     (while read -r line; do
 | |
|         # shellcheck disable=SC2086,SC2229
 | |
|         sleep $_t
 | |
|         echo -e "$line" >&2
 | |
|         echo "$line"
 | |
|     done)
 | |
| }
 | |
| 
 | |
| prefix_stdout() {
 | |
|     # usage: <cmd> | prefix_stdout [prefix]
 | |
| 
 | |
|     local prefix="${_BYellow}-->|${_creset}"
 | |
| 
 | |
|     if [[ -n $1 ]]; then prefix="$1"; fi
 | |
| 
 | |
|     # shellcheck disable=SC2162
 | |
|     (while IFS= read line; do
 | |
|         echo -e "${prefix}$line"
 | |
|     done)
 | |
|     # some piped commands hide the cursor, show cursory when the stream ends
 | |
|     echo -en "$_show_cursor"
 | |
| }
 | |
| 
 | |
| append_line() {
 | |
| 
 | |
|     # usage: append_line <line> <file>
 | |
|     #
 | |
|     # Append line if not exists, create file if not exists. E.g::
 | |
|     #
 | |
|     #     append_line 'source ~/.foo' ~/bashrc
 | |
| 
 | |
|     local LINE=$1
 | |
|     local FILE=$2
 | |
|     grep -qFs -- "$LINE" "$FILE" || echo "$LINE" >>"$FILE"
 | |
| }
 | |
| 
 | |
| cache_download() {
 | |
| 
 | |
|     # usage: cache_download <url> <local-filename>
 | |
| 
 | |
|     local exit_value=0
 | |
| 
 | |
|     if [[ -n ${SUDO_USER} ]]; then
 | |
|         sudo -u "${SUDO_USER}" mkdir -p "${CACHE}"
 | |
|     else
 | |
|         mkdir -p "${CACHE}"
 | |
|     fi
 | |
| 
 | |
|     if [[ -f "${CACHE}/$2" ]]; then
 | |
|         info_msg "already cached: $1"
 | |
|         info_msg "  --> ${CACHE}/$2"
 | |
|     fi
 | |
| 
 | |
|     if [[ ! -f "${CACHE}/$2" ]]; then
 | |
|         info_msg "caching: $1"
 | |
|         info_msg "  --> ${CACHE}/$2"
 | |
|         if [[ -n ${SUDO_USER} ]]; then
 | |
|             sudo -u "${SUDO_USER}" wget --progress=bar -O "${CACHE}/$2" "$1"
 | |
|             exit_value=$?
 | |
|         else
 | |
|             wget --progress=bar -O "${CACHE}/$2" "$1"
 | |
|             exit_value=$?
 | |
|         fi
 | |
|         if [[ ! $exit_value = 0 ]]; then
 | |
|             err_msg "failed to download: $1"
 | |
|         fi
 | |
|     fi
 | |
| }
 | |
| 
 | |
| backup_file() {
 | |
| 
 | |
|     # usage: backup_file /path/to/file.foo
 | |
| 
 | |
|     local stamp
 | |
|     stamp=$(date +"_%Y%m%d_%H%M%S")
 | |
|     info_msg "create backup: ${1}${stamp}"
 | |
|     cp -a "${1}" "${1}${stamp}"
 | |
| }
 | |
| 
 | |
| choose_one() {
 | |
| 
 | |
|     # usage:
 | |
|     #
 | |
|     #   DEFAULT_SELECT= 2 \
 | |
|     #     choose_one <name> "your selection?" "Coffee" "Coffee with milk"
 | |
| 
 | |
|     local default=${DEFAULT_SELECT-1}
 | |
|     local REPLY
 | |
|     local env_name=$1 && shift
 | |
|     local choice=$1
 | |
|     local max="${#@}"
 | |
|     local _t
 | |
|     [[ -n $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
 | |
|     [[ -n $_t ]] && _t="-t $_t"
 | |
| 
 | |
|     list=("$@")
 | |
|     echo -e "${_BGreen}Menu::${_creset}"
 | |
|     for ((i = 1; i <= $((max - 1)); i++)); do
 | |
|         if [[ "$i" == "$default" ]]; then
 | |
|             echo -e "  ${_BGreen}$i.${_creset}) ${list[$i]} [default]"
 | |
|         else
 | |
|             echo -e "  $i.) ${list[$i]}"
 | |
|         fi
 | |
|     done
 | |
|     while true; do
 | |
|         clean_stdin
 | |
|         printf "$1 [${_BGreen}$default${_creset}] "
 | |
| 
 | |
|         if ((10 > max)); then
 | |
|             # shellcheck disable=SC2086,SC2229
 | |
|             read -r -n1 $_t
 | |
|         else
 | |
|             # shellcheck disable=SC2086,SC2229
 | |
|             read -r $_t
 | |
|         fi
 | |
|         # selection fits
 | |
|         [[ $REPLY =~ ^-?[0-9]+$ ]] && ((REPLY > 0)) && ((REPLY < max)) && break
 | |
| 
 | |
|         # take default
 | |
|         [[ -z $REPLY ]] && REPLY=$default && break
 | |
| 
 | |
|         _t=""
 | |
|         err_msg "invalid choice"
 | |
|     done
 | |
|     eval "$env_name"='${list[${REPLY}]}'
 | |
|     echo
 | |
|     clean_stdin
 | |
| }
 | |
| 
 | |
| install_template() {
 | |
| 
 | |
|     # usage:
 | |
|     #
 | |
|     #     install_template [--no-eval] [--variant=<name>] \
 | |
|     #                      {file} [{owner} [{group} [{chmod}]]]
 | |
|     #
 | |
|     # E.g. the origin of variant 'raw' of /etc/updatedb.conf is::
 | |
|     #
 | |
|     #    ${TEMPLATES}/etc/updatedb.conf:raw
 | |
|     #
 | |
|     # To install variant 'raw' of /etc/updatedb.conf without evaluated
 | |
|     # replacements you can use::
 | |
|     #
 | |
|     #    install_template --variant=raw --no-eval \
 | |
|     #                     /etc/updatedb.conf root root 644
 | |
| 
 | |
|     local _reply=""
 | |
|     local do_eval=1
 | |
|     local variant=""
 | |
|     local pos_args=("$0")
 | |
| 
 | |
|     for i in "$@"; do
 | |
|         case $i in
 | |
|             --no-eval)
 | |
|                 do_eval=0
 | |
|                 shift
 | |
|                 ;;
 | |
|             --variant=*)
 | |
|                 variant=":${i#*=}"
 | |
|                 shift
 | |
|                 ;;
 | |
|             *) pos_args+=("$i") ;;
 | |
|         esac
 | |
|     done
 | |
| 
 | |
|     local dst="${pos_args[1]}"
 | |
|     local template_origin="${TEMPLATES}${dst}${variant}"
 | |
|     local template_file="${TEMPLATES}${dst}"
 | |
| 
 | |
|     local owner="${pos_args[2]-$(id -un)}"
 | |
|     local group="${pos_args[3]-$(id -gn)}"
 | |
|     local chmod="${pos_args[4]-644}"
 | |
| 
 | |
|     info_msg "install (eval=$do_eval): ${dst}"
 | |
|     [[ -n $variant ]] && info_msg "variant --> ${variant}"
 | |
| 
 | |
|     if [[ ! -f "${template_origin}" ]]; then
 | |
|         err_msg "${template_origin} does not exists"
 | |
|         err_msg "... can't install $dst"
 | |
|         wait_key 30
 | |
|         return 42
 | |
|     fi
 | |
| 
 | |
|     if [[ "$do_eval" == "1" ]]; then
 | |
|         template_file="${CACHE}${dst}${variant}"
 | |
|         info_msg "BUILD ${template_file}"
 | |
|         info_msg "BUILD using template ${template_origin}"
 | |
|         if [[ -n ${SUDO_USER} ]]; then
 | |
|             sudo -u "${SUDO_USER}" mkdir -p "$(dirname "${template_file}")"
 | |
|         else
 | |
|             mkdir -p "$(dirname "${template_file}")"
 | |
|         fi
 | |
|         # shellcheck disable=SC2086
 | |
|         eval "echo \"$(cat ${template_origin})\"" >"${template_file}"
 | |
|         if [[ -n ${SUDO_USER} ]]; then
 | |
|             chown "${SUDO_USER}:${SUDO_USER}" "${template_file}"
 | |
|         fi
 | |
|     else
 | |
|         template_file=$template_origin
 | |
|     fi
 | |
| 
 | |
|     mkdir -p "$(dirname "${dst}")"
 | |
| 
 | |
|     if [[ ! -f "${dst}" ]]; then
 | |
|         info_msg "install: ${template_file}"
 | |
|         sudo -H install -v -o "${owner}" -g "${group}" -m "${chmod}" \
 | |
|             "${template_file}" "${dst}" | prefix_stdout
 | |
|         return $?
 | |
|     fi
 | |
| 
 | |
|     if [[ -f "${dst}" ]] && cmp --silent "${template_file}" "${dst}"; then
 | |
|         info_msg "file ${dst} already installed"
 | |
|         return 0
 | |
|     fi
 | |
| 
 | |
|     info_msg "different file ${dst} already exists on this host"
 | |
| 
 | |
|     while true; do
 | |
|         choose_one _reply "choose next step with file $dst" \
 | |
|             "replace file" \
 | |
|             "leave file unchanged" \
 | |
|             "interactive shell" \
 | |
|             "diff files"
 | |
| 
 | |
|         case $_reply in
 | |
|             "replace file")
 | |
|                 info_msg "install: ${template_file}"
 | |
|                 sudo -H install -v -o "${owner}" -g "${group}" -m "${chmod}" \
 | |
|                     "${template_file}" "${dst}" | prefix_stdout
 | |
|                 break
 | |
|                 ;;
 | |
|             "leave file unchanged")
 | |
|                 break
 | |
|                 ;;
 | |
|             "interactive shell")
 | |
|                 echo -e "// edit ${_Red}${dst}${_creset} to your needs"
 | |
|                 echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
 | |
|                 sudo -H -u "${owner}" -i
 | |
|                 $DIFF_CMD "${dst}" "${template_file}"
 | |
|                 echo
 | |
|                 echo -e "// ${_BBlack}did you edit file ...${_creset}"
 | |
|                 echo -en "//  ${_Red}${dst}${_creset}"
 | |
|                 if ask_yn "//${_BBlack}... to your needs?${_creset}"; then
 | |
|                     break
 | |
|                 fi
 | |
|                 ;;
 | |
|             "diff files")
 | |
|                 $DIFF_CMD "${dst}" "${template_file}" | prefix_stdout
 | |
|                 ;;
 | |
|         esac
 | |
|     done
 | |
| }
 | |
| 
 | |
| service_is_available() {
 | |
| 
 | |
|     # usage:  service_is_available <URL>
 | |
| 
 | |
|     [[ -z $1 ]] && die_caller 42 "missing argument <URL>"
 | |
|     local URL="$1"
 | |
|     http_code=$(curl -H 'Cache-Control: no-cache' \
 | |
|         --silent -o /dev/null --head --write-out '%{http_code}' --insecure \
 | |
|         "${URL}")
 | |
|     exit_val=$?
 | |
|     if [[ $exit_val = 0 ]]; then
 | |
|         info_msg "got $http_code from ${URL}"
 | |
|     fi
 | |
|     case "$http_code" in
 | |
|         404 | 410 | 423) exit_val=$http_code ;;
 | |
|     esac
 | |
|     return "$exit_val"
 | |
| }
 | |
| 
 | |
| # python
 | |
| # ------
 | |
| 
 | |
| PY="${PY:=3}"
 | |
| PYTHON="${PYTHON:=python$PY}"
 | |
| PY_ENV="${PY_ENV:=local/py${PY}}"
 | |
| PY_ENV_BIN="${PY_ENV}/bin"
 | |
| PY_ENV_REQ="${PY_ENV_REQ:=${REPO_ROOT}/requirements*.txt}"
 | |
| 
 | |
| # List of python packages (folders) or modules (files) installed by command:
 | |
| # pyenv.install
 | |
| PYOBJECTS="${PYOBJECTS:=.}"
 | |
| 
 | |
| # folder where the python distribution takes place
 | |
| PYDIST="${PYDIST:=dist}"
 | |
| 
 | |
| # folder where the intermediate build files take place
 | |
| PYBUILD="${PYBUILD:=build/py${PY}}"
 | |
| 
 | |
| # https://www.python.org/dev/peps/pep-0508/#extras
 | |
| #PY_SETUP_EXTRAS='[develop,test]'
 | |
| PY_SETUP_EXTRAS="${PY_SETUP_EXTRAS:=[develop,test]}"
 | |
| 
 | |
| PIP_BOILERPLATE=(pip wheel setuptools)
 | |
| 
 | |
| # shellcheck disable=SC2120
 | |
| pyenv() {
 | |
| 
 | |
|     # usage:  pyenv [vtenv_opts ...]
 | |
|     #
 | |
|     #   vtenv_opts: see 'pip install --help'
 | |
|     #
 | |
|     # Builds virtualenv with 'requirements*.txt' (PY_ENV_REQ) installed.  The
 | |
|     # virtualenv will be reused by validating sha256sum of the requirement
 | |
|     # files.
 | |
| 
 | |
|     required_commands \
 | |
|         sha256sum "${PYTHON}" ||
 | |
|         exit
 | |
| 
 | |
|     local pip_req=()
 | |
| 
 | |
|     if ! pyenv.OK >/dev/null; then
 | |
|         rm -f "${PY_ENV}/${PY_ENV_REQ}.sha256"
 | |
|         pyenv.drop >/dev/null
 | |
|         build_msg PYENV "[virtualenv] installing ${PY_ENV_REQ} into ${PY_ENV}"
 | |
| 
 | |
|         "${PYTHON}" -m venv "$@" "${PY_ENV}"
 | |
|         "${PY_ENV_BIN}/python" -m pip install -U "${PIP_BOILERPLATE[@]}"
 | |
| 
 | |
|         for i in ${PY_ENV_REQ}; do
 | |
|             pip_req=("${pip_req[@]}" "-r" "$i")
 | |
|         done
 | |
| 
 | |
|         (
 | |
|             [ "$VERBOSE" = "1" ] && set -x
 | |
|             # shellcheck disable=SC2086
 | |
|             "${PY_ENV_BIN}/python" -m pip install "${pip_req[@]}" &&
 | |
|                 sha256sum ${PY_ENV_REQ} >"${PY_ENV}/requirements.sha256"
 | |
|         )
 | |
|     fi
 | |
|     pyenv.OK
 | |
| }
 | |
| 
 | |
| _pyenv_OK=''
 | |
| pyenv.OK() {
 | |
| 
 | |
|     # probes if pyenv exists and runs the script from pyenv.check
 | |
| 
 | |
|     [ "$_pyenv_OK" == "OK" ] && return 0
 | |
| 
 | |
|     if [ ! -f "${PY_ENV_BIN}/python" ]; then
 | |
|         build_msg PYENV "[virtualenv] missing ${PY_ENV_BIN}/python"
 | |
|         return 1
 | |
|     fi
 | |
| 
 | |
|     if [ ! -f "${PY_ENV}/requirements.sha256" ] ||
 | |
|         ! sha256sum -c "${PY_ENV}/requirements.sha256" >/dev/null 2>&1; then
 | |
|         build_msg PYENV "[virtualenv] requirements.sha256 failed"
 | |
|         sed 's/^/          [virtualenv] - /' <"${PY_ENV}/requirements.sha256"
 | |
|         return 1
 | |
|     fi
 | |
| 
 | |
|     if [ "$VERBOSE" = "1" ]; then
 | |
|         pyenv.check |
 | |
|             "${PY_ENV_BIN}/python" 2>&1 |
 | |
|             prefix_stdout "${_Blue}PYENV     ${_creset}[check] "
 | |
|     else
 | |
|         pyenv.check | "${PY_ENV_BIN}/python" 1>/dev/null
 | |
|     fi
 | |
| 
 | |
|     local err=${PIPESTATUS[1]}
 | |
|     if [ "$err" -ne "0" ]; then
 | |
|         build_msg PYENV "[check] python test failed"
 | |
|         return "$err"
 | |
|     fi
 | |
| 
 | |
|     [ "$VERBOSE" = "1" ] && build_msg PYENV "OK"
 | |
|     _pyenv_OK="OK"
 | |
|     return 0
 | |
| }
 | |
| 
 | |
| pyenv.drop() {
 | |
| 
 | |
|     build_msg PYENV "[virtualenv] drop ${PY_ENV}"
 | |
|     rm -rf "${PY_ENV}"
 | |
|     _pyenv_OK=''
 | |
| 
 | |
| }
 | |
| 
 | |
| pyenv.check() {
 | |
| 
 | |
|     # Prompts a python script with additional checks. Used by pyenv.OK to check
 | |
|     # if virtualenv is ready to install python objects.  This function should be
 | |
|     # overwritten by the application script.
 | |
| 
 | |
|     local imp=""
 | |
| 
 | |
|     for i in "${PIP_BOILERPLATE[@]}"; do
 | |
|         imp="$imp, $i"
 | |
|     done
 | |
| 
 | |
|     cat <<EOF
 | |
| import ${imp#,*}
 | |
| 
 | |
| EOF
 | |
| }
 | |
| 
 | |
| pyenv.install() {
 | |
| 
 | |
|     if ! pyenv.OK; then
 | |
|         py.clean >/dev/null
 | |
|     fi
 | |
|     if ! pyenv.install.OK >/dev/null; then
 | |
|         build_msg PYENV "[install] ${PYOBJECTS}"
 | |
|         if ! pyenv.OK >/dev/null; then
 | |
|             pyenv
 | |
|         fi
 | |
|         for i in ${PYOBJECTS}; do
 | |
|             build_msg PYENV "[install] pip install --use-pep517 --no-build-isolation -e '$i${PY_SETUP_EXTRAS}'"
 | |
|             "${PY_ENV_BIN}/python" -m pip install --use-pep517 --no-build-isolation -e "$i${PY_SETUP_EXTRAS}"
 | |
|         done
 | |
|     fi
 | |
|     pyenv.install.OK
 | |
| }
 | |
| 
 | |
| _pyenv_install_OK=''
 | |
| pyenv.install.OK() {
 | |
| 
 | |
|     [ "$_pyenv_install_OK" == "OK" ] && return 0
 | |
| 
 | |
|     local imp=""
 | |
|     local err=""
 | |
| 
 | |
|     if [ "." = "${PYOBJECTS}" ]; then
 | |
|         imp="import $(basename "$(pwd)")"
 | |
|     else
 | |
|         # shellcheck disable=SC2086
 | |
|         for i in ${PYOBJECTS}; do imp="$imp, $i"; done
 | |
|         imp="import ${imp#,*} "
 | |
|     fi
 | |
|     (
 | |
|         [ "$VERBOSE" = "1" ] && set -x
 | |
|         "${PY_ENV_BIN}/python" -c "import sys; sys.path.pop(0); $imp;" 2>/dev/null
 | |
|     )
 | |
| 
 | |
|     err=$?
 | |
|     if [ "$err" -ne "0" ]; then
 | |
|         build_msg PYENV "[install] python installation test failed"
 | |
|         return "$err"
 | |
|     fi
 | |
| 
 | |
|     build_msg PYENV "[install] OK"
 | |
|     _pyenv_install_OK="OK"
 | |
|     return 0
 | |
| }
 | |
| 
 | |
| pyenv.uninstall() {
 | |
| 
 | |
|     build_msg PYENV "[uninstall] ${PYOBJECTS}"
 | |
| 
 | |
|     if [ "." = "${PYOBJECTS}" ]; then
 | |
|         pyenv.cmd python setup.py develop --uninstall 2>&1 |
 | |
|             prefix_stdout "${_Blue}PYENV     ${_creset}[pyenv.uninstall] "
 | |
|     else
 | |
|         # shellcheck disable=SC2086
 | |
|         pyenv.cmd python -m pip uninstall --yes ${PYOBJECTS} 2>&1 |
 | |
|             prefix_stdout "${_Blue}PYENV     ${_creset}[pyenv.uninstall] "
 | |
|     fi
 | |
| }
 | |
| 
 | |
| pyenv.cmd() {
 | |
|     pyenv.install
 | |
|     (
 | |
|         set -e
 | |
|         # shellcheck source=/dev/null
 | |
|         source "${PY_ENV_BIN}/activate"
 | |
|         [ "$VERBOSE" = "1" ] && set -x
 | |
|         "$@"
 | |
|     )
 | |
| }
 | |
| 
 | |
| pyenv.activate() {
 | |
|     pyenv.install
 | |
|     # shellcheck source=/dev/null
 | |
|     source "${PY_ENV_BIN}/activate"
 | |
| }
 | |
| 
 | |
| # Sphinx doc
 | |
| # ----------
 | |
| 
 | |
| GH_PAGES="build/gh-pages"
 | |
| DOCS_DIST="${DOCS_DIST:=dist/docs}"
 | |
| DOCS_BUILD="${DOCS_BUILD:=build/docs}"
 | |
| 
 | |
| docs.html() {
 | |
|     build_msg SPHINX "HTML ./docs --> file://$(readlink -e "$(pwd)/$DOCS_DIST")"
 | |
|     pyenv.install
 | |
|     docs.prebuild
 | |
|     # shellcheck disable=SC2086
 | |
|     PATH="${PY_ENV_BIN}:${PATH}" pyenv.cmd sphinx-build \
 | |
|         ${SPHINX_VERBOSE} ${SPHINXOPTS} \
 | |
|         -b html -c ./docs -d "${DOCS_BUILD}/.doctrees" ./docs "${DOCS_DIST}"
 | |
|     dump_return $?
 | |
| }
 | |
| 
 | |
| docs.live() {
 | |
|     build_msg SPHINX "autobuild ./docs --> file://$(readlink -e "$(pwd)/$DOCS_DIST")"
 | |
|     pyenv.install
 | |
|     docs.prebuild
 | |
|     # shellcheck disable=SC2086
 | |
|     PATH="${PY_ENV_BIN}:${PATH}" pyenv.cmd sphinx-autobuild \
 | |
|         ${SPHINX_VERBOSE} ${SPHINXOPTS} --open-browser --host 0.0.0.0 \
 | |
|         -b html -c ./docs -d "${DOCS_BUILD}/.doctrees" ./docs "${DOCS_DIST}"
 | |
|     dump_return $?
 | |
| }
 | |
| 
 | |
| docs.clean() {
 | |
|     build_msg CLEAN "docs -- ${DOCS_BUILD} ${DOCS_DIST}"
 | |
|     # shellcheck disable=SC2115
 | |
|     rm -rf "${GH_PAGES}" "${DOCS_BUILD}" "${DOCS_DIST}"
 | |
|     dump_return $?
 | |
| }
 | |
| 
 | |
| docs.prebuild() {
 | |
|     # Dummy function to run some actions before sphinx-doc build gets started.
 | |
|     # This function needs to be overwritten by the application script.
 | |
|     true
 | |
|     dump_return $?
 | |
| }
 | |
| 
 | |
| # shellcheck disable=SC2155
 | |
| docs.gh-pages() {
 | |
| 
 | |
|     # The commit history in the gh-pages branch makes no sense, the history only
 | |
|     # inflates the repository unnecessarily.  Therefore a *new orphan* branch
 | |
|     # is created each time we deploy on the gh-pages branch.
 | |
| 
 | |
|     docs.clean
 | |
|     docs.prebuild
 | |
|     docs.html
 | |
| 
 | |
|     [ "$VERBOSE" = "1" ] && set -x
 | |
|     local head="$(git rev-parse HEAD)"
 | |
|     local branch="$(git name-rev --name-only HEAD)"
 | |
|     local remote="$(git config branch."${branch}".remote)"
 | |
|     local remote_url="$(git config remote."${remote}".url)"
 | |
| 
 | |
|     build_msg GH-PAGES "prepare folder: ${GH_PAGES}"
 | |
|     build_msg GH-PAGES "remote of the gh-pages branch: ${remote} / ${remote_url}"
 | |
|     build_msg GH-PAGES "current branch: ${branch}"
 | |
| 
 | |
|     # prepare the *orphan* gh-pages working tree
 | |
|     (
 | |
|         git worktree remove -f "${GH_PAGES}"
 | |
|         git branch -D gh-pages
 | |
|     ) &>/dev/null || true
 | |
|     git worktree add --no-checkout "${GH_PAGES}" "${remote}/master"
 | |
| 
 | |
|     pushd "${GH_PAGES}" &>/dev/null
 | |
|     git checkout --orphan gh-pages
 | |
|     git rm -rfq .
 | |
|     popd &>/dev/null
 | |
| 
 | |
|     cp -r "${DOCS_DIST}"/* "${GH_PAGES}"/
 | |
|     touch "${GH_PAGES}/.nojekyll"
 | |
|     cat >"${GH_PAGES}/404.html" <<EOF
 | |
| <html><head><META http-equiv='refresh' content='0;URL=index.html'></head></html>
 | |
| EOF
 | |
| 
 | |
|     pushd "${GH_PAGES}" &>/dev/null
 | |
|     git add --all .
 | |
|     git commit -q -m "gh-pages build from: ${branch}@${head} (${remote_url})"
 | |
|     git push -f "${remote}" gh-pages
 | |
|     popd &>/dev/null
 | |
| 
 | |
|     set +x
 | |
|     build_msg GH-PAGES "deployed"
 | |
| }
 | |
| 
 | |
| # system accounts
 | |
| # ---------------
 | |
| 
 | |
| service_account_is_available() {
 | |
| 
 | |
|     # usage:  service_account_is_available "$SERVICE_USER" && echo "OK"
 | |
| 
 | |
|     sudo -i -u "$1" echo \$HOME &>/dev/null
 | |
| }
 | |
| 
 | |
| drop_service_account() {
 | |
| 
 | |
|     # usage:  drop_service_account "${SERVICE_USER}"
 | |
| 
 | |
|     rst_title "Drop ${1} HOME" section
 | |
|     if ask_yn "Do you really want to drop ${1} home folder?"; then
 | |
|         userdel -r -f "${1}" 2>&1 | prefix_stdout
 | |
|     else
 | |
|         rst_para "Leave HOME folder $(du -sh "${1}") unchanged."
 | |
|     fi
 | |
| }
 | |
| 
 | |
| interactive_shell() {
 | |
| 
 | |
|     # usage:  interactive_shell "${SERVICE_USER}"
 | |
| 
 | |
|     echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
 | |
|     sudo -H -u "${1}" -i
 | |
| }
 | |
| 
 | |
| # systemd
 | |
| # -------
 | |
| 
 | |
| SYSTEMD_UNITS="${SYSTEMD_UNITS:-/lib/systemd/system}"
 | |
| 
 | |
| systemd_install_service() {
 | |
| 
 | |
|     # usage:  systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
 | |
| 
 | |
|     rst_title "Install System-D Unit ${1}" section
 | |
|     echo
 | |
|     install_template "${2}" root root 644
 | |
|     wait_key
 | |
|     systemd_activate_service "${1}"
 | |
| }
 | |
| 
 | |
| systemd_remove_service() {
 | |
| 
 | |
|     # usage:  systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
 | |
| 
 | |
|     if ! ask_yn "Do you really want to deinstall systemd unit ${1}?"; then
 | |
|         return 42
 | |
|     fi
 | |
|     systemd_deactivate_service "${1}"
 | |
|     rm "${2}" 2>&1 | prefix_stdout
 | |
| }
 | |
| 
 | |
| systemd_activate_service() {
 | |
| 
 | |
|     # usage:  systemd_activate_service "${SERVICE_NAME}"
 | |
| 
 | |
|     rst_title "Activate ${1} (service)" section
 | |
|     echo
 | |
|     tee_stderr <<EOF | bash 2>&1
 | |
| systemctl enable  ${1}.service
 | |
| systemctl restart ${1}.service
 | |
| EOF
 | |
|     tee_stderr <<EOF | bash 2>&1
 | |
| systemctl status --no-pager ${1}.service
 | |
| EOF
 | |
| }
 | |
| 
 | |
| systemd_deactivate_service() {
 | |
| 
 | |
|     # usage:  systemd_deactivate_service "${SERVICE_NAME}"
 | |
| 
 | |
|     rst_title "De-Activate ${1} (service)" section
 | |
|     echo
 | |
|     tee_stderr <<EOF | bash 2>&1 | prefix_stdout
 | |
| systemctl stop    ${1}.service
 | |
| systemctl disable ${1}.service
 | |
| EOF
 | |
| }
 | |
| 
 | |
| systemd_restart_service() {
 | |
| 
 | |
|     # usage:  systemd_restart_service "${SERVICE_NAME}"
 | |
| 
 | |
|     rst_title "Restart ${1} (service)" section
 | |
|     echo
 | |
|     tee_stderr <<EOF | bash 2>&1
 | |
| systemctl restart ${1}.service
 | |
| EOF
 | |
|     tee_stderr <<EOF | bash 2>&1
 | |
| systemctl status --no-pager ${1}.service
 | |
| EOF
 | |
| }
 | |
| 
 | |
| # nginx
 | |
| # -----
 | |
| 
 | |
| nginx_distro_setup() {
 | |
|     # shellcheck disable=SC2034
 | |
| 
 | |
|     NGINX_DEFAULT_SERVER=/etc/nginx/nginx.conf
 | |
| 
 | |
|     # Including *location* directives from a dedicated config-folder into the
 | |
|     # server directive is, what fedora and centos (already) does.
 | |
|     NGINX_APPS_ENABLED="/etc/nginx/default.d"
 | |
| 
 | |
|     # We add a apps-available folder and linking configurations into the
 | |
|     # NGINX_APPS_ENABLED folder.  See also nginx_include_apps_enabled().
 | |
|     NGINX_APPS_AVAILABLE="/etc/nginx/default.apps-available"
 | |
| 
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             NGINX_PACKAGES="nginx"
 | |
|             NGINX_DEFAULT_SERVER=/etc/nginx/sites-available/default
 | |
|             ;;
 | |
|         arch-*)
 | |
|             NGINX_PACKAGES="nginx-mainline"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             NGINX_PACKAGES="nginx"
 | |
|             ;;
 | |
|         *)
 | |
|             err_msg "$DIST_ID-$DIST_VERS: nginx not yet implemented"
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| install_nginx() {
 | |
|     info_msg "installing nginx ..."
 | |
|     pkg_install "${NGINX_PACKAGES}"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         arch-* | fedora-* | centos-7)
 | |
|             systemctl enable nginx
 | |
|             systemctl start nginx
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| nginx_is_installed() {
 | |
|     command -v nginx &>/dev/null
 | |
| }
 | |
| 
 | |
| nginx_reload() {
 | |
| 
 | |
|     info_msg "reload nginx .."
 | |
|     echo
 | |
|     if ! nginx -t; then
 | |
|         err_msg "testing nginx configuration failed"
 | |
|         return 42
 | |
|     fi
 | |
|     systemctl restart nginx
 | |
| }
 | |
| 
 | |
| nginx_install_app() {
 | |
| 
 | |
|     # usage:  nginx_install_app [<template option> ...] <myapp.conf>
 | |
|     #
 | |
|     # <template option>:   see install_template
 | |
| 
 | |
|     local template_opts=()
 | |
|     local pos_args=("$0")
 | |
| 
 | |
|     for i in "$@"; do
 | |
|         case $i in
 | |
|             -*) template_opts+=("$i") ;;
 | |
|             *) pos_args+=("$i") ;;
 | |
|         esac
 | |
|     done
 | |
| 
 | |
|     nginx_include_apps_enabled "${NGINX_DEFAULT_SERVER}"
 | |
| 
 | |
|     install_template "${template_opts[@]}" \
 | |
|         "${NGINX_APPS_AVAILABLE}/${pos_args[1]}" \
 | |
|         root root 644
 | |
|     nginx_enable_app "${pos_args[1]}"
 | |
|     info_msg "installed nginx app: ${pos_args[1]}"
 | |
| }
 | |
| 
 | |
| nginx_include_apps_enabled() {
 | |
| 
 | |
|     # Add the *NGINX_APPS_ENABLED* infrastructure to a nginx server block.  Such
 | |
|     # infrastructure is already known from fedora and centos, including apps (location
 | |
|     # directives) from the /etc/nginx/default.d folder into the *default* nginx
 | |
|     # server.
 | |
| 
 | |
|     # usage: nginx_include_apps_enabled <config-file>
 | |
|     #
 | |
|     #   config-file: Config file with server directive in.
 | |
| 
 | |
|     [[ -z $1 ]] && die_caller 42 "missing argument <config-file>"
 | |
|     local server_conf="$1"
 | |
| 
 | |
|     # include /etc/nginx/default.d/*.conf;
 | |
|     local include_directive="include ${NGINX_APPS_ENABLED}/*.conf;"
 | |
|     local include_directive_re="^\s*include ${NGINX_APPS_ENABLED}/\*\.conf;"
 | |
| 
 | |
|     info_msg "checking existence: '${include_directive}' in file ${server_conf}"
 | |
|     if grep "${include_directive_re}" "${server_conf}"; then
 | |
|         info_msg "OK, already exists."
 | |
|         return
 | |
|     fi
 | |
| 
 | |
|     info_msg "add missing directive: '${include_directive}'"
 | |
|     cp "${server_conf}" "${server_conf}.bak"
 | |
| 
 | |
|     (
 | |
|         local line
 | |
|         local stage=0
 | |
|         while IFS= read -r line; do
 | |
|             echo "$line"
 | |
|             if [[ $stage = 0 ]]; then
 | |
|                 if [[ $line =~ ^[[:space:]]*server*[[:space:]]*\{ ]]; then
 | |
|                     stage=1
 | |
|                 fi
 | |
|             fi
 | |
| 
 | |
|             if [[ $stage = 1 ]]; then
 | |
|                 echo "        # Load configuration files for the default server block."
 | |
|                 echo "        $include_directive"
 | |
|                 echo ""
 | |
|                 stage=2
 | |
|             fi
 | |
|         done <"${server_conf}.bak"
 | |
|     ) >"${server_conf}"
 | |
| 
 | |
| }
 | |
| 
 | |
| nginx_remove_app() {
 | |
| 
 | |
|     # usage:  nginx_remove_app <myapp.conf>
 | |
| 
 | |
|     info_msg "remove nginx app: $1"
 | |
|     nginx_disable_app "$1"
 | |
|     rm -f "${NGINX_APPS_AVAILABLE}/$1"
 | |
| }
 | |
| 
 | |
| nginx_enable_app() {
 | |
| 
 | |
|     # usage:  nginx_enable_app <myapp.conf>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     info_msg "enable nginx app: ${CONF}"
 | |
|     mkdir -p "${NGINX_APPS_ENABLED}"
 | |
|     rm -f "${NGINX_APPS_ENABLED}/${CONF}"
 | |
|     ln -s "${NGINX_APPS_AVAILABLE}/${CONF}" "${NGINX_APPS_ENABLED}/${CONF}"
 | |
|     nginx_reload
 | |
| }
 | |
| 
 | |
| nginx_disable_app() {
 | |
| 
 | |
|     # usage:  nginx_disable_app <myapp.conf>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     info_msg "disable nginx app: ${CONF}"
 | |
|     rm -f "${NGINX_APPS_ENABLED}/${CONF}"
 | |
|     nginx_reload
 | |
| }
 | |
| 
 | |
| # Apache
 | |
| # ------
 | |
| 
 | |
| apache_distro_setup() {
 | |
|     # shellcheck disable=SC2034
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             # debian uses the /etc/apache2 path, while other distros use
 | |
|             # the apache default at /etc/httpd
 | |
|             APACHE_SITES_AVAILABLE="/etc/apache2/sites-available"
 | |
|             APACHE_SITES_ENABLED="/etc/apache2/sites-enabled"
 | |
|             APACHE_MODULES="/usr/lib/apache2/modules"
 | |
|             APACHE_PACKAGES="apache2"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             APACHE_SITES_AVAILABLE="/etc/httpd/sites-available"
 | |
|             APACHE_SITES_ENABLED="/etc/httpd/sites-enabled"
 | |
|             APACHE_MODULES="modules"
 | |
|             APACHE_PACKAGES="apache"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             APACHE_SITES_AVAILABLE="/etc/httpd/sites-available"
 | |
|             APACHE_SITES_ENABLED="/etc/httpd/sites-enabled"
 | |
|             APACHE_MODULES="modules"
 | |
|             APACHE_PACKAGES="httpd mod_ssl"
 | |
|             ;;
 | |
|         *)
 | |
|             err_msg "$DIST_ID-$DIST_VERS: apache not yet implemented"
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| install_apache() {
 | |
|     info_msg "installing apache ..."
 | |
|     pkg_install "$APACHE_PACKAGES"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         arch-* | fedora-* | centos-7)
 | |
|             if ! grep "IncludeOptional sites-enabled" "/etc/httpd/conf/httpd.conf"; then
 | |
|                 echo "IncludeOptional sites-enabled/*.conf" >>"/etc/httpd/conf/httpd.conf"
 | |
|             fi
 | |
|             systemctl enable httpd
 | |
|             systemctl start httpd
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| apache_is_installed() {
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*) (command -v apachectl) &>/dev/null ;;
 | |
|         arch-*) (command -v httpd) &>/dev/null ;;
 | |
|         fedora-* | centos-7) (command -v httpd) &>/dev/null ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| apache_reload() {
 | |
| 
 | |
|     info_msg "reload apache .."
 | |
|     echo
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             sudo -H apachectl configtest
 | |
|             sudo -H systemctl force-reload apache2
 | |
|             ;;
 | |
|         arch-* | fedora-* | centos-7)
 | |
|             sudo -H httpd -t
 | |
|             sudo -H systemctl force-reload httpd
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| apache_install_site() {
 | |
| 
 | |
|     # usage:  apache_install_site [<template option> ...] <mysite.conf>
 | |
|     #
 | |
|     # <template option>:   see install_template
 | |
| 
 | |
|     local template_opts=()
 | |
|     local pos_args=("$0")
 | |
| 
 | |
|     for i in "$@"; do
 | |
|         case $i in
 | |
|             -*) template_opts+=("$i") ;;
 | |
|             *) pos_args+=("$i") ;;
 | |
|         esac
 | |
|     done
 | |
| 
 | |
|     install_template "${template_opts[@]}" \
 | |
|         "${APACHE_SITES_AVAILABLE}/${pos_args[1]}" \
 | |
|         root root 644
 | |
|     apache_enable_site "${pos_args[1]}"
 | |
|     info_msg "installed apache site: ${pos_args[1]}"
 | |
| }
 | |
| 
 | |
| apache_remove_site() {
 | |
| 
 | |
|     # usage:  apache_remove_site <mysite.conf>
 | |
| 
 | |
|     info_msg "remove apache site: $1"
 | |
|     apache_disable_site "$1"
 | |
|     rm -f "${APACHE_SITES_AVAILABLE}/$1"
 | |
| }
 | |
| 
 | |
| apache_enable_site() {
 | |
| 
 | |
|     # usage:  apache_enable_site <mysite.conf>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     info_msg "enable apache site: ${CONF}"
 | |
| 
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             sudo -H a2ensite -q "${CONF}"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             mkdir -p "${APACHE_SITES_ENABLED}"
 | |
|             rm -f "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ln -s "${APACHE_SITES_AVAILABLE}/${CONF}" "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             mkdir -p "${APACHE_SITES_ENABLED}"
 | |
|             rm -f "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ln -s "${APACHE_SITES_AVAILABLE}/${CONF}" "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|     esac
 | |
|     apache_reload
 | |
| }
 | |
| 
 | |
| apache_disable_site() {
 | |
| 
 | |
|     # usage:  apache_disable_site <mysite.conf>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     info_msg "disable apache site: ${CONF}"
 | |
| 
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             sudo -H a2dissite -q "${CONF}"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             rm -f "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             rm -f "${APACHE_SITES_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|     esac
 | |
|     apache_reload
 | |
| }
 | |
| 
 | |
| # uWSGI
 | |
| # -----
 | |
| 
 | |
| uWSGI_SETUP="${uWSGI_SETUP:=/etc/uwsgi}"
 | |
| 
 | |
| # How distros manage uWSGI apps is very different.  From uWSGI POV read:
 | |
| # - https://uwsgi-docs.readthedocs.io/en/latest/Management.html
 | |
| 
 | |
| uWSGI_distro_setup() {
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             # init.d --> /usr/share/doc/uwsgi/README.Debian.gz
 | |
|             # For uWSGI debian uses the LSB init process, this might be changed
 | |
|             # one day, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833067
 | |
|             uWSGI_APPS_AVAILABLE="${uWSGI_SETUP}/apps-available"
 | |
|             uWSGI_APPS_ENABLED="${uWSGI_SETUP}/apps-enabled"
 | |
|             uWSGI_PACKAGES="uwsgi"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             # systemd --> /usr/lib/systemd/system/uwsgi@.service
 | |
|             # For uWSGI archlinux uses systemd template units, see
 | |
|             # - http://0pointer.de/blog/projects/instances.html
 | |
|             # - https://uwsgi-docs.readthedocs.io/en/latest/Systemd.html#one-service-per-app-in-systemd
 | |
|             uWSGI_APPS_AVAILABLE="${uWSGI_SETUP}/apps-archlinux"
 | |
|             uWSGI_APPS_ENABLED="${uWSGI_SETUP}"
 | |
|             uWSGI_PACKAGES="uwsgi"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             # systemd --> /usr/lib/systemd/system/uwsgi.service
 | |
|             # Fedora runs uWSGI in emperor-tyrant mode: in Tyrant mode the
 | |
|             # Emperor will run the vassal using the UID/GID of the vassal
 | |
|             # configuration file [1] (user and group of the app .ini file).
 | |
|             # There are some quirks about additional POSIX groups in uWSGI
 | |
|             # 2.0.x, read at least: https://github.com/unbit/uwsgi/issues/2099
 | |
|             uWSGI_APPS_AVAILABLE="${uWSGI_SETUP}/apps-available"
 | |
|             uWSGI_APPS_ENABLED="${uWSGI_SETUP}.d"
 | |
|             uWSGI_PACKAGES="uwsgi"
 | |
|             ;;
 | |
|         *)
 | |
|             err_msg "$DIST_ID-$DIST_VERS: uWSGI not yet implemented"
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| install_uwsgi() {
 | |
|     info_msg "installing uwsgi ..."
 | |
|     pkg_install "$uWSGI_PACKAGES"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         fedora-* | centos-7)
 | |
|             # enable & start should be called once at uWSGI installation time
 | |
|             systemctl enable uwsgi
 | |
|             systemctl restart uwsgi
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| uWSGI_restart() {
 | |
| 
 | |
|     # usage:  uWSGI_restart() <myapp.ini>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     info_msg "restart uWSGI service"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             # the 'service' method seems broken in that way, that it (re-)starts
 | |
|             # the whole uwsgi process.
 | |
|             service uwsgi restart "${CONF%.*}"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             # restart systemd template instance
 | |
|             if uWSGI_app_available "${CONF}"; then
 | |
|                 systemctl restart "uwsgi@${CONF%.*}"
 | |
|             else
 | |
|                 info_msg "[uWSGI:systemd-template] ${CONF} not installed (no need to restart)"
 | |
|             fi
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             # in emperor mode, just touch the file to restart
 | |
|             if uWSGI_app_enabled "${CONF}"; then
 | |
|                 touch "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|                 # it seems, there is a polling time in between touch and restart
 | |
|                 # of the service.
 | |
|                 sleep 3
 | |
|             else
 | |
|                 info_msg "[uWSGI:emperor] ${CONF} not installed (no need to restart)"
 | |
|             fi
 | |
|             ;;
 | |
|         *)
 | |
|             err_msg "$DIST_ID-$DIST_VERS: uWSGI not yet implemented"
 | |
|             return 42
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| uWSGI_app_available() {
 | |
|     # usage:  uWSGI_app_available <myapp.ini>
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     [[ -f "${uWSGI_APPS_AVAILABLE}/${CONF}" ]]
 | |
| }
 | |
| 
 | |
| uWSGI_install_app() {
 | |
| 
 | |
|     # usage:  uWSGI_install_app [<template option> ...] <myapp.ini> [{owner} [{group} [{chmod}]]]
 | |
|     #
 | |
|     # <template option>:  see install_template
 | |
| 
 | |
|     local pos_args=("$0")
 | |
| 
 | |
|     for i in "$@"; do
 | |
|         case $i in
 | |
|             -*) template_opts+=("$i") ;;
 | |
|             *) pos_args+=("$i") ;;
 | |
|         esac
 | |
|     done
 | |
|     mkdir -p "${uWSGI_APPS_AVAILABLE}"
 | |
|     install_template "${template_opts[@]}" \
 | |
|         "${uWSGI_APPS_AVAILABLE}/${pos_args[1]}" \
 | |
|         "${pos_args[2]:-root}" "${pos_args[3]:-root}" "${pos_args[4]:-644}"
 | |
|     uWSGI_enable_app "${pos_args[1]}"
 | |
|     uWSGI_restart "${pos_args[1]}"
 | |
|     info_msg "uWSGI app: ${pos_args[1]} is installed"
 | |
| }
 | |
| 
 | |
| uWSGI_remove_app() {
 | |
| 
 | |
|     # usage:  uWSGI_remove_app <myapp.ini>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     info_msg "remove uWSGI app: ${CONF}"
 | |
|     uWSGI_disable_app "${CONF}"
 | |
|     uWSGI_restart "${CONF}"
 | |
|     rm -f "${uWSGI_APPS_AVAILABLE}/${CONF}"
 | |
| }
 | |
| 
 | |
| uWSGI_app_enabled() {
 | |
|     # usage:  uWSGI_app_enabled <myapp.ini>
 | |
| 
 | |
|     local exit_val=0
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             [[ -f "${uWSGI_APPS_ENABLED}/${CONF}" ]]
 | |
|             exit_val=$?
 | |
|             ;;
 | |
|         arch-*)
 | |
|             systemctl -q is-enabled "uwsgi@${CONF%.*}"
 | |
|             exit_val=$?
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             [[ -f "${uWSGI_APPS_ENABLED}/${CONF}" ]]
 | |
|             exit_val=$?
 | |
|             ;;
 | |
|         *)
 | |
|             # FIXME
 | |
|             err_msg "$DIST_ID-$DIST_VERS: uWSGI not yet implemented"
 | |
|             exit_val=1
 | |
|             ;;
 | |
|     esac
 | |
|     return $exit_val
 | |
| }
 | |
| 
 | |
| # shellcheck disable=SC2164
 | |
| uWSGI_enable_app() {
 | |
| 
 | |
|     # usage:   uWSGI_enable_app <myapp.ini>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             mkdir -p "${uWSGI_APPS_ENABLED}"
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             ln -s "${uWSGI_APPS_AVAILABLE}/${CONF}" "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             info_msg "enabled uWSGI app: ${CONF} (restart required)"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             mkdir -p "${uWSGI_APPS_ENABLED}"
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             ln -s "${uWSGI_APPS_AVAILABLE}/${CONF}" "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             systemctl enable "uwsgi@${CONF%.*}"
 | |
|             info_msg "enabled uWSGI app: ${CONF} (restart required)"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             mkdir -p "${uWSGI_APPS_ENABLED}"
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             ln -s "${uWSGI_APPS_AVAILABLE}/${CONF}" "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             info_msg "enabled uWSGI app: ${CONF}"
 | |
|             ;;
 | |
|         *)
 | |
|             # FIXME
 | |
|             err_msg "$DIST_ID-$DIST_VERS: uWSGI not yet implemented"
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| uWSGI_disable_app() {
 | |
| 
 | |
|     # usage:   uWSGI_disable_app <myapp.ini>
 | |
| 
 | |
|     local CONF="$1"
 | |
| 
 | |
|     [[ -z $CONF ]] && die_caller 42 "missing argument <myapp.ini>"
 | |
|     case $DIST_ID-$DIST_VERS in
 | |
|         ubuntu-* | debian-*)
 | |
|             service uwsgi stop "${CONF%.*}"
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             info_msg "disabled uWSGI app: ${CONF} (restart uWSGI required)"
 | |
|             ;;
 | |
|         arch-*)
 | |
|             systemctl stop "uwsgi@${CONF%.*}"
 | |
|             systemctl disable "uwsgi@${CONF%.*}"
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|         fedora-* | centos-7)
 | |
|             # in emperor mode, just remove the app.ini file
 | |
|             rm -f "${uWSGI_APPS_ENABLED}/${CONF}"
 | |
|             ;;
 | |
|         *)
 | |
|             # FIXME
 | |
|             err_msg "$DIST_ID-$DIST_VERS: uWSGI not yet implemented"
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| # distro's package manager
 | |
| # ------------------------
 | |
| 
 | |
| _apt_pkg_info_is_updated=0
 | |
| 
 | |
| pkg_install() {
 | |
| 
 | |
|     # usage: TITLE='install foobar' pkg_install foopkg barpkg
 | |
| 
 | |
|     rst_title "${TITLE:-installation of packages}" section
 | |
|     echo -e "\npackage(s)::\n"
 | |
|     # shellcheck disable=SC2068
 | |
|     echo "  " $@ | $FMT
 | |
| 
 | |
|     if ! ask_yn "Should packages be installed?" Yn 30; then
 | |
|         return 42
 | |
|     fi
 | |
|     case $DIST_ID in
 | |
|         ubuntu | debian)
 | |
|             if [[ $_apt_pkg_info_is_updated == 0 ]]; then
 | |
|                 export _apt_pkg_info_is_updated=1
 | |
|                 apt update
 | |
|             fi
 | |
|             # shellcheck disable=SC2068
 | |
|             apt-get install -m -y $@
 | |
|             ;;
 | |
|         arch)
 | |
|             # shellcheck disable=SC2068
 | |
|             pacman --noprogressbar -Sy --noconfirm --needed $@
 | |
|             ;;
 | |
|         fedora)
 | |
|             # shellcheck disable=SC2068
 | |
|             dnf install -y $@
 | |
|             ;;
 | |
|         centos)
 | |
|             # shellcheck disable=SC2068
 | |
|             yum install -y $@
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| pkg_remove() {
 | |
| 
 | |
|     # usage: TITLE='remove foobar' pkg_remove foopkg barpkg
 | |
| 
 | |
|     rst_title "${TITLE:-remove packages}" section
 | |
|     echo -e "\npackage(s)::\n"
 | |
|     # shellcheck disable=SC2068
 | |
|     echo "  " $@ | $FMT
 | |
| 
 | |
|     if ! ask_yn "Should packages be removed (purge)?" Yn 30; then
 | |
|         return 42
 | |
|     fi
 | |
|     case $DIST_ID in
 | |
|         ubuntu | debian)
 | |
|             # shellcheck disable=SC2068
 | |
|             apt-get purge --autoremove --ignore-missing -y $@
 | |
|             ;;
 | |
|         arch)
 | |
|             # shellcheck disable=SC2068
 | |
|             pacman --noprogressbar -R --noconfirm $@
 | |
|             ;;
 | |
|         fedora)
 | |
|             # shellcheck disable=SC2068
 | |
|             dnf remove -y $@
 | |
|             ;;
 | |
|         centos)
 | |
|             # shellcheck disable=SC2068
 | |
|             yum remove -y $@
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| pkg_is_installed() {
 | |
| 
 | |
|     # usage: pkg_is_install foopkg || pkg_install foopkg
 | |
| 
 | |
|     case $DIST_ID in
 | |
|         ubuntu | debian)
 | |
|             dpkg -l "$1" &>/dev/null
 | |
|             return $?
 | |
|             ;;
 | |
|         arch)
 | |
|             pacman -Qsq "$1" &>/dev/null
 | |
|             return $?
 | |
|             ;;
 | |
|         fedora)
 | |
|             dnf list -q --installed "$1" &>/dev/null
 | |
|             return $?
 | |
|             ;;
 | |
|         centos)
 | |
|             yum list -q --installed "$1" &>/dev/null
 | |
|             return $?
 | |
|             ;;
 | |
|     esac
 | |
| }
 | |
| 
 | |
| # git tooling
 | |
| # -----------
 | |
| 
 | |
| # shellcheck disable=SC2164
 | |
| git_clone() {
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| 
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|     # usage:
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|     #
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|     #    git_clone <url> <name> [<branch> [<user>]]
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|     #    git_clone <url> <path> [<branch> [<user>]]
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|     #
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|     #  First form uses $CACHE/<name> as destination folder, second form clones
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|     #  into <path>.  If repository is already cloned, pull from <branch> and
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|     #  update working tree (if needed, the caller has to stash local changes).
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|     #
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|     #    git clone https://github.com/searxng/searxng searx-src origin/master searxlogin
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|     #
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| 
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|     local url="$1"
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|     local dest="$2"
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|     local branch="$3"
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|     local user="$4"
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|     local bash_cmd="bash"
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|     local remote="origin"
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| 
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|     if [[ ! "${dest:0:1}" = "/" ]]; then
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|         dest="$CACHE/$dest"
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|     fi
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| 
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|     [[ -z $branch ]] && branch=master
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|     [[ -z $user ]] && [[ -n "${SUDO_USER}" ]] && user="${SUDO_USER}"
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|     [[ -n $user ]] && bash_cmd="sudo -H -u $user -i"
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| 
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|     if [[ -d "${dest}" ]]; then
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|         info_msg "already cloned: $dest"
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|         tee_stderr 0.1 <<EOF | $bash_cmd 2>&1 | prefix_stdout "  ${_Yellow}|$user|${_creset} "
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| cd "${dest}"
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| git checkout -m -B "$branch" --track "$remote/$branch"
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| git pull --all
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| EOF
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|     else
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|         info_msg "clone into: $dest"
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|         tee_stderr 0.1 <<EOF | $bash_cmd 2>&1 | prefix_stdout "  ${_Yellow}|$user|${_creset} "
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| mkdir -p "$(dirname "$dest")"
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| cd "$(dirname "$dest")"
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| git clone --branch "$branch" --origin "$remote" "$url" "$(basename "$dest")"
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| EOF
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|     fi
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| }
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| 
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| # IP
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| # --
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| 
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| global_IPs() {
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|     # usage: global_IPS
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|     #
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|     # print list of host's SCOPE global addresses and adapters e.g::
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|     #
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|     #   $ global_IPs
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|     #   enp4s0|192.168.1.127
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|     #   lxdbr0|10.246.86.1
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|     #   lxdbr0|fd42:8c58:2cd:b73f::1
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| 
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|     ip -o addr show | sed -nr 's/[0-9]*:\s*([a-z0-9]*).*inet[6]?\s*([a-z0-9.:]*).*scope global.*/\1|\2/p'
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| }
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| 
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| primary_ip() {
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| 
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|     case $DIST_ID in
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|         arch)
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|             ip -o addr show |
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|                 sed -nr 's/[0-9]*:\s*([a-z0-9]*).*inet[6]?\s*([a-z0-9.:]*).*scope global.*/\2/p' |
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|                 head -n 1
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|             ;;
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|         *) hostname -I | cut -d' ' -f1 ;;
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|     esac
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| }
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| 
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| # URL
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| # ---
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| 
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| url_replace_hostname() {
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| 
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|     # usage:  url_replace_hostname <url> <new hostname>
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| 
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|     # to replace hostname by primary IP::
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|     #
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|     #   url_replace_hostname http://searx-ubu1604/example $(primary_ip)
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|     #   http://10.246.86.250/example
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| 
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|     # shellcheck disable=SC2001
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|     echo "$1" | sed "s|\(http[s]*://\)[^/]*\(.*\)|\1$2\2|"
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| }
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