Improved /etc/init.d/apache2

apache2 (text/plain), 4.81 KB, created by Paul Varner (RETIRED) on 2013-02-28 16:36:55 UTC

#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

extra_commands="configtest modules virtualhosts"
extra_started_commands="configdump fullstatus graceful gracefulstop reload"

description_configdump="Dumps the configuration of the runing apache server. Requires server-info to be enabled and www-client/lynx."
description_configtest="Run syntax tests for configuration files."
description_fullstatus="Gives the full status of the server. Requires lynx and server-status to be enabled."
description_graceful="A graceful restart advises the children to exit after the current request and reloads the configuration."
description_gracefulstop="A graceful stop advises the children to exit after the current request and stops the server."
description_modules="Dump a list of loaded Static and Shared Modules."
description_reload="Kills all children and reloads the configuration."
description_virtualhosts="Show the settings as parsed from the config file (currently only shows the virtualhost settings)."
description_stop="Kills all children and stops the server."

depend() {
	need net
	use mysql dns logger netmount postgresql
	after sshd
}

configtest() {
	ebegin "Checking ${SVCNAME} configuration"
	checkconfig
	eend $?
}

checkconfd() {
	if [ ! -f /etc/init.d/sysfs ]; then
		eerror "This init script works only with openrc (baselayout-2)."
		eerror "If you still need baselayout-1.x, please, use"
		eerror "apache2.initd-baselayout-1 from /usr/share/doc/apache2-*/"
	fi

	PIDFILE="${PIDFILE:-/run/apache2.pid}"
	TIMEOUT=${TIMEOUT:-15}

	SERVERROOT="${SERVERROOT:-/usr/lib64/apache2}"
	if [ ! -d ${SERVERROOT} ]; then
		eerror "SERVERROOT does not exist: ${SERVERROOT}"
		return 1
	fi

	CONFIGFILE="${CONFIGFILE:-/etc/apache2/httpd.conf}"
	[ "${CONFIGFILE#/}" = "${CONFIGFILE}" ] && CONFIGFILE="${SERVERROOT}/${CONFIGFILE}"
	if [ ! -r "${CONFIGFILE}" ]; then
		eerror "Unable to read configuration file: ${CONFIGFILE}"
		return 1
	fi

	APACHE2_OPTS="${APACHE2_OPTS} -d ${SERVERROOT}"
	APACHE2_OPTS="${APACHE2_OPTS} -f ${CONFIGFILE}"
	[ -n "${STARTUPERRORLOG}" ] && APACHE2_OPTS="${APACHE2_OPTS} -E ${STARTUPERRORLOG}"

	APACHE2="/usr/sbin/apache2"
}

checkconfig() {
	checkpath --directory /run/apache_ssl_mutex
	checkconfd || return 1

	${APACHE2} ${APACHE2_OPTS} -t 1>/dev/null 2>&1
	ret=$?
	if [ $ret -ne 0 ]; then
		eerror "${SVCNAME} has detected an error in your setup:"
		${APACHE2} ${APACHE2_OPTS} -t
	fi

	return $ret
}

start() {
	checkconfig || return 1

	ebegin "Starting ${SVCNAME}"
	# Use start stop daemon to apply system limits #347301 
	start-stop-daemon --start -- ${APACHE2} ${APACHE2_OPTS} -k start

	i=0
	while [ ! -e "${PIDFILE}" ] && [ $i -lt ${TIMEOUT} ]; do
		sleep 1 && i=$(expr $i + 1)
	done

	eend $(test $i -lt ${TIMEOUT})
}

stop() {
	if [ "${RC_CMD}" = "restart" ]; then
		checkconfig || return 1
	else
		checkconfd || return 1
	fi

	PID=$(cat "${PIDFILE}" 2>/dev/null)
	if [ -z "${PID}" ]; then
		einfo "${SVCNAME} not running (no pid file)"
		return 0
	fi

	ebegin "Stopping ${SVCNAME}"
	${APACHE2} ${APACHE2_OPTS} -k stop

	i=0
	while ( test -f "${PIDFILE}" && pgrep -P ${PID} apache2 >/dev/null ) \
		&& [ $i -lt ${TIMEOUT} ]; do
		sleep 1 && i=$(expr $i + 1)
	done

	eend $(test $i -lt ${TIMEOUT})
}

reload() {
	RELOAD_TYPE="${RELOAD_TYPE:-graceful}"

	checkconfig || return 1

	if [ "${RELOAD_TYPE}" = "restart" ]; then
		ebegin "Restarting ${SVCNAME}"
		${APACHE2} ${APACHE2_OPTS} -k restart
		eend $?
	elif [ "${RELOAD_TYPE}" = "graceful" ]; then
		ebegin "Gracefully restarting ${SVCNAME}"
		${APACHE2} ${APACHE2_OPTS} -k graceful
		eend $?
	else
		eerror "${RELOAD_TYPE} is not a valid RELOAD_TYPE. Please edit /etc/conf.d/${SVCNAME}"
	fi
}

graceful() {
	checkconfig || return 1
	ebegin "Gracefully restarting ${SVCNAME}"
	${APACHE2} ${APACHE2_OPTS} -k graceful
	eend $?
}

gracefulstop() {
	checkconfig || return 1
	ebegin "Gracefully stopping ${SVCNAME}"
	${APACHE2} ${APACHE2_OPTS} -k graceful-stop
	eend $?
}

modules() {
	checkconfig || return 1
	${APACHE2} ${APACHE2_OPTS} -M 2>&1
}

fullstatus() {
	LYNX="${LYNX:-lynx -dump}"
	STATUSURL="${STATUSURL:-http://localhost/server-status}"

	if ! type -p $(set -- ${LYNX}; echo $1) 2>&1 >/dev/null; then
		eerror "lynx not found! you need to emerge www-client/lynx"
	else
		${LYNX} ${STATUSURL}
	fi
}

virtualhosts() {
	checkconfig || return 1
	${APACHE2} ${APACHE2_OPTS} -S
}

configdump() {
	LYNX="${LYNX:-lynx -dump}"
	INFOURL="${INFOURL:-http://localhost/server-info}"

	checkconfd || return 1

	if ! type -p $(set -- ${LYNX}; echo $1) 2>&1 >/dev/null; then
		eerror "lynx not found! you need to emerge www-client/lynx"
	else
		echo "${APACHE2} started with '${APACHE2_OPTS}'"
		for i in config server list; do
			${LYNX} "${INFOURL}/?${i}" | sed '/Apache Server Information/d;/^[[:space:]]\+[_]\+$/Q'
		done
	fi
}

# vim: ts=4 filetype=gentoo-init-d