first-fix
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Alexander Abakumov committed
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@@ -0,0 +1,233 @@
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#!/bin/bash
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#
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### BEGIN INIT INFO
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# Provides: ${pkg.name}
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# Required-Start: $remote_fs $syslog $network
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# Required-Stop: $remote_fs $syslog $network
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: ${project.name}
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# Description: ${project.description}
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# chkconfig: 2345 99 01
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### END INIT INFO
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[[ -n "$DEBUG" ]] && set -x
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# Initialize variables that cannot be provided by a .conf file
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WORKING_DIR="$(pwd)"
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# shellcheck disable=SC2153
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mainfile=${pkg.installFolder}/bin/${pkg.name}
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configfile=${pkg.name}.conf
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# Follow symlinks to find the real script and detect init.d script
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cd "$(dirname "$0")" || exit 1
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[[ -z "$initfile" ]] && initfile=$(pwd)/$(basename "$0")
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while [[ -L "$initfile" ]]; do
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[[ "$initfile" =~ init\.d ]] && init_script=$(basename "$initfile")
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initfile=$(readlink "$initfile")
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cd "$(dirname "$initfile")" || exit 1
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initfile=$(pwd)/$(basename "$initfile")
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done
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initfolder="$( (cd "$(dirname "initfile")" && pwd -P) )"
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cd "$WORKING_DIR" || exit 1
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# Initialize CONF_FOLDER location
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[[ -z "$CONF_FOLDER" ]] && CONF_FOLDER="${pkg.installFolder}/conf"
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# shellcheck source=/dev/null
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[[ -r "${CONF_FOLDER}/${configfile}" ]] && source "${CONF_FOLDER}/${configfile}"
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# Initialize PID/LOG locations if they weren't provided by the config file
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[[ -z "$PID_FOLDER" ]] && PID_FOLDER="/var/run"
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[[ -z "$LOG_FOLDER" ]] && LOG_FOLDER="${pkg.unixLogFolder}"
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! [[ "$PID_FOLDER" == /* ]] && PID_FOLDER="$(dirname "$mainfile")"/"$PID_FOLDER"
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! [[ "$LOG_FOLDER" == /* ]] && LOG_FOLDER="$(dirname "$mainfile")"/"$LOG_FOLDER"
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! [[ -x "$PID_FOLDER" ]] && PID_FOLDER="/tmp"
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! [[ -x "$LOG_FOLDER" ]] && LOG_FOLDER="/tmp"
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# Set up defaults
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[[ -z "$MODE" ]] && MODE="auto" # modes are "auto", "service" or "run"
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[[ -z "$USE_START_STOP_DAEMON" ]] && USE_START_STOP_DAEMON="true"
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# Create an identity for log/pid files
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if [[ -z "$identity" ]]; then
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if [[ -n "$init_script" ]]; then
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identity="${init_script}"
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else
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identity=$(basename "${initfile%.*}")_${initfolder//\//}
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fi
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fi
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# Initialize log file name if not provided by the config file
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[[ -z "$LOG_FILENAME" ]] && LOG_FILENAME="${identity}.log"
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# ANSI Colors
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echoRed() { echo $'\e[0;31m'"$1"$'\e[0m'; }
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echoGreen() { echo $'\e[0;32m'"$1"$'\e[0m'; }
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echoYellow() { echo $'\e[0;33m'"$1"$'\e[0m'; }
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# Utility functions
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checkPermissions() {
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touch "$pid_file" &> /dev/null || { echoRed "Operation not permitted (cannot access pid file)"; return 4; }
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touch "$log_file" &> /dev/null || { echoRed "Operation not permitted (cannot access log file)"; return 4; }
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}
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isRunning() {
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ps -p "$1" &> /dev/null
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}
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await_file() {
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end=$(date +%s)
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let "end+=10"
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while [[ ! -s "$1" ]]
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do
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now=$(date +%s)
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if [[ $now -ge $end ]]; then
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break
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fi
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sleep 1
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done
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}
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# Determine the script mode
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action="run"
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if [[ "$MODE" == "auto" && -n "$init_script" ]] || [[ "$MODE" == "service" ]]; then
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action="$1"
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shift
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fi
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# Build the pid and log filenames
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if [[ "$identity" == "$init_script" ]] || [[ "$identity" == "$APP_NAME" ]]; then
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PID_FOLDER="$PID_FOLDER/${identity}"
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pid_subfolder=$PID_FOLDER
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fi
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pid_file="$PID_FOLDER/${identity}.pid"
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log_file="$LOG_FOLDER/$LOG_FILENAME"
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# Determine the user to run as if we are root
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# shellcheck disable=SC2012
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[[ $(id -u) == "0" ]] && run_user=$(ls -ld "$mainfile" | awk '{print $3}')
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arguments=($RUN_ARGS "$@")
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# Action functions
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start() {
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if [[ -f "$pid_file" ]]; then
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pid=$(cat "$pid_file")
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isRunning "$pid" && { echoYellow "Already running [$pid]"; return 0; }
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fi
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do_start "$@"
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}
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do_start() {
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working_dir=$(dirname "$mainfile")
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pushd "$working_dir" > /dev/null
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mkdir -p "$PID_FOLDER" &> /dev/null
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if [[ -n "$run_user" ]]; then
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checkPermissions || return $?
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if [[ -z "$pid_subfolder" ]]; then
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chown "$run_user" "$pid_subfolder"
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fi
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chown "$run_user" "$pid_file"
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chown "$run_user" "$log_file"
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if [ $USE_START_STOP_DAEMON = true ] && type start-stop-daemon > /dev/null 2>&1; then
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start-stop-daemon --start --quiet \
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--chuid "$run_user" \
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--name "$identity" \
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--make-pidfile --pidfile "$pid_file" \
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--background --no-close \
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--startas "$mainfile" \
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--chdir "$working_dir" \
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-- "${arguments[@]}" \
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>> "$log_file" 2>&1
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await_file "$pid_file"
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else
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su -s /bin/sh -c "$mainfile $(printf "\"%s\" " "${arguments[@]}") >> \"$log_file\" 2>&1 & echo \$!" "$run_user" > "$pid_file"
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fi
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pid=$(cat "$pid_file")
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else
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checkPermissions || return $?
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"$mainfile" "${arguments[@]}" >> "$log_file" 2>&1 &
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pid=$!
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disown $pid
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echo "$pid" > "$pid_file"
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fi
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[[ -z $pid ]] && { echoRed "Failed to start"; return 1; }
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echoGreen "Started [$pid]"
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}
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stop() {
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working_dir=$(dirname "$mainfile")
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pushd "$working_dir" > /dev/null
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[[ -f $pid_file ]] || { echoYellow "Not running (pidfile not found)"; return 0; }
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pid=$(cat "$pid_file")
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isRunning "$pid" || { echoYellow "Not running (process ${pid}). Removing stale pid file."; rm -f "$pid_file"; return 0; }
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do_stop "$pid" "$pid_file"
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}
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do_stop() {
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kill -2 "$1" &> /dev/null || { echoRed "Unable to kill process $1"; return 1; }
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for i in $(seq 1 60); do
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isRunning "$1" || { echoGreen "Stopped [$1]"; rm -f "$2"; return 0; }
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[[ $i -eq 30 ]] && kill -9 "$1" &> /dev/null
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sleep 1
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done
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echoRed "Unable to kill process $1";
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return 1;
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}
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restart() {
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stop && start
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}
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orce_reload() {
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working_dir=$(dirname "$mainfile")
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pushd "$working_dir" > /dev/null
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[[ -f $pid_file ]] || { echoRed "Not running (pidfile not found)"; return 7; }
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pid=$(cat "$pid_file")
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rm -f "$pid_file"
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isRunning "$pid" || { echoRed "Not running (process ${pid} not found)"; return 7; }
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do_stop "$pid" "$pid_file"
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do_start
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}
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status() {
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working_dir=$(dirname "$mainfile")
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pushd "$working_dir" > /dev/null
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[[ -f "$pid_file" ]] || { echoRed "Not running"; return 3; }
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pid=$(cat "$pid_file")
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isRunning "$pid" || { echoRed "Not running (process ${pid} not found)"; return 1; }
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echoGreen "Running [$pid]"
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return 0
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}
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run() {
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pushd "$(dirname "$mainfile")" > /dev/null
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"$mainfile" "${arguments[@]}"
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result=$?
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popd > /dev/null
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return "$result"
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}
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# Call the appropriate action function
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case "$action" in
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start)
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start "$@"; exit $?;;
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stop)
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stop "$@"; exit $?;;
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restart)
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restart "$@"; exit $?;;
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force-reload)
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force_reload "$@"; exit $?;;
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status)
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status "$@"; exit $?;;
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run)
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run "$@"; exit $?;;
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*)
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echo "Usage: $0 {start|stop|restart|force-reload|status|run}"; exit 1;
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esac
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exit 0
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