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70 lines
1.4 KiB
70 lines
1.4 KiB
2 months ago
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#!/bin/sh
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DAEMON=/usr/bin/tera-alarmd
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PIDFILE=/run/tera-alarmd.pid
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ENVFILE=/etc/tera/tera-alarmd.env
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ensure_group() {
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if ! grep -q '^tera:' /etc/group; then
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addgroup -S tera || return 1
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fi
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}
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ensure_user() {
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ensure_group || return 1
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if ! grep -q '^tera:' /etc/passwd; then
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adduser -S -D -H -s /sbin/nologin -G tera tera || return 1
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fi
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}
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prepare_directories() {
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ensure_user || return 1
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mkdir -p /run/tera-alarmd /var/lib/tera-alarmd || return 1
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chown tera:tera /run/tera-alarmd /var/lib/tera-alarmd || return 1
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chmod 0750 /run/tera-alarmd /var/lib/tera-alarmd || return 1
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}
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load_environment() {
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if [ -r "$ENVFILE" ]; then
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set -a
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. "$ENVFILE"
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set +a
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fi
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}
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is_running() {
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[ -r "$PIDFILE" ] || return 1
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pid="$(cat "$PIDFILE" 2>/dev/null)"
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[ -n "$pid" ] && kill -0 "$pid" 2>/dev/null
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}
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start_service() {
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if is_running; then
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echo "tera-alarmd is already running"
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return 0
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fi
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rm -f "$PIDFILE"
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[ -x "$DAEMON" ] || { echo "missing $DAEMON" >&2; return 1; }
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prepare_directories || return 1
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load_environment
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umask 0007
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start-stop-daemon -S -q -b -m -p "$PIDFILE" -c tera:tera -x "$DAEMON"
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}
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stop_service() {
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if ! is_running; then
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rm -f "$PIDFILE"
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return 0
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fi
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start-stop-daemon -K -q -p "$PIDFILE" -x "$DAEMON"
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rm -f "$PIDFILE"
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}
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case "$1" in
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start) start_service ;;
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stop) stop_service ;;
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restart) stop_service && start_service ;;
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status) is_running ;;
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*) echo "Usage: $0 {start|stop|restart|status}" >&2; exit 1 ;;
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esac
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