apache2ctl: Add suport for systemd

Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>

1 files changed, 165 insertions, 17 deletions

diff --git a/2.4/scripts/apache2ctl b/2.4/scripts/apache2ctl
index 8031b8b..392ac4c 100644
--- a/2.4/scripts/apache2ctl
+++ b/2.4/scripts/apache2ctl
@@ -6,23 +6,171 @@ APACHE_RC_CONF="/etc/conf.d/apache2"
 # List of init script verbs that should be passed forward
 RC_VERBS="start stop restart checkconfd configtest modules virtualhosts configdump fullstatus graceful gracefulstop reload"
 
-load_rc_config() {
-	[ -f "${APACHE_RC_CONF}" ] || return 1
-	if ! grep -q '^[[:space:]]*APACHE2_OPTS' ${APACHE_RC_CONF} ; then
-		echo "Cannot find APACHE2_OPTS in ${APACHE_RC_CONF}"
-		exit 1
-	fi
-	. ${APACHE_RC_CONF}
-	export APACHE2_OPTS
-	export SERVERROOT="${SERVERROOT:-/usr/@LIBDIR@/apache2}"
-	export CONFIGFILE="${CONFIGFILE:-/etc/apache2/httpd.conf}"
+
+function is_systemd() {
+        [ $(ps --no-headers -o comm 1) == "systemd" ] && return 0
+        return 1
+}
+
+function load_rc_config() {
+        [ -f "${APACHE_RC_CONF}" ] || return 1
+        if ! grep -q '^[[:space:]]*APACHE2_OPTS' ${APACHE_RC_CONF} ; then
+                echo "Cannot find APACHE2_OPTS in ${APACHE_RC_CONF}"
+                exit 1
+        fi
+        . ${APACHE_RC_CONF}
+        export APACHE2_OPTS
+        export SERVERROOT="${SERVERROOT:-/usr/lib64/apache2}"
+        export CONFIGFILE="${CONFIGFILE:-/etc/apache2/httpd.conf}"
+}
+
+# Basically the code from '/etc/init.d/apache2::reload()', updated to run without open-rc
+function reload() {
+        RELOAD_TYPE="${RELOAD_TYPE:-graceful}"
+
+        if [ "${RELOAD_TYPE}" = "restart" ]; then
+                ${APACHE2} ${APACHE2_OPTS} -k restart
+        elif [ "${RELOAD_TYPE}" = "graceful" ]; then
+                ${APACHE2} ${APACHE2_OPTS} -k graceful
+        else
+                echo "${RELOAD_TYPE} is not a valid RELOAD_TYPE. Please edit /etc/conf.d/apache2"
+        fi
+}
+
+# Basically the code from '/etc/init.d/apache2::fullstatus()', updated to run without open-rc
+function fullstatus() {
+        LYNX="${LYNX:-lynx -dump}"
+        STATUSURL="${STATUSURL:-http://localhost/server-status}"
+
+        if ! command -v $(set -- ${LYNX}; echo $1) 2>&1 >/dev/null; then
+                echo 'lynx not found! you need to emerge www-client/lynx'
+        else
+                ${LYNX} ${STATUSURL}
+        fi
+        return $?
 }
 
-# If first parameter is a verb defined in $RC_VERBS, pass the command to init script.
-# In other cases, compile command line and run the command on apache binary.
-if echo "${RC_VERBS}" | grep -q -- "${1}" ; then
-	exec /etc/init.d/apache2 "${@}"
-else
-	load_rc_config || exit 1
-	${APACHE2} ${APACHE2_OPTS} -d ${SERVERROOT} -f ${CONFIGFILE} "${@}"
+# Basically the code from '/etc/init.d/apache2::checkconfd()', updated to run without open-rc
+function checkconfd() {
+        if [ ! -d ${SERVERROOT} ]; then
+                echo "SERVERROOT does not exist: ${SERVERROOT}"
+                return 1
+        fi
+}
+
+# Basically the code from '/etc/init.d/apache2::checkconfig()', updated to run without open-rc
+function configtest() {
+        checkconfd || return 1
+
+        OUTPUT=$( ${APACHE2} ${APACHE2_OPTS} -t 2>&1 )
+        ret=$?
+        if [ $ret -ne 0 ]; then
+                echo "apache2 has detected an error in your setup:"
+                printf "%s\n" "${OUTPUT}"
+        fi
+
+        return $ret
+}
+
+# Basically the code from '/etc/init.d/apache2::configdump()', updated to run without open-rc
+function configdump() {
+        INFOURL="${INFOURL:-http://localhost/server-info}"
+
+        if ! command -v $(set -- ${LYNX}; echo $1) 2>&1 >/dev/null; then
+                echo "lynx not found! you need to emerge www-client/lynx"
+        else
+                echo "${APACHE2} started with '${APACHE2_OPTS}'"
+                for i in config server list; do
+                        ${LYNX} "${INFOURL}/?${i}" | sed '/Apache Server Information/d;/^[[:space:]]\+[_]\+$/Q'
+                done
+        fi
+}
+
+
+# If systemd IS NOT detected, run the legacy apache2ctl code
+if ! is_systemd; then
+        # If first parameter is a verb defined in $RC_VERBS, pass the command to init script.
+        # In other cases, compile command line and run the command on apache binary.
+        if echo "${RC_VERBS}" | grep -q -- "${1}" ; then
+                exec /etc/init.d/apache2 "${@}"
+        else
+                load_rc_config || exit 1
+                ${APACHE2} ${APACHE2_OPTS} -d ${SERVERROOT} -f ${CONFIGFILE} "${@}"
+        fi
+        exit 0
 fi
+
+# If systemd IS detected, load the config and parse the argument
+load_rc_config || exit 1
+
+# Append the server root and configuration file parameters to the
+# user's APACHE2_OPTS.
+APACHE2_OPTS="${APACHE2_OPTS} -d ${SERVERROOT}"
+APACHE2_OPTS="${APACHE2_OPTS} -f ${CONFIGFILE}"
+
+case $1 in
+# Original apachectl options
+# See: https://httpd.apache.org/docs/2.4/programs/apachectl.html
+start|stop|restart|status)
+        /bin/systemctl $1 apache2.service
+        ERROR=$?
+        ;;
+
+reload)
+        reload
+        ERROR=$?
+        ;;
+
+fullstatus)
+        fullstatus
+        ERROR=$?
+        ;;
+
+graceful)
+        configtest || exit 1
+        /bin/systemctl reload apache2.service
+        ERROR=$?
+        ;;
+
+gracefulstop|graceful-stop)
+        configtest || exit 1
+        /bin/systemctl stop apache2.service
+        ERROR=$?
+        ;;
+
+configtest)
+        configtest
+        ERROR=$?
+        ;;
+
+checkconfd)
+        checkconfd
+        ERROR=$?
+        ;;
+
+configdump)
+        configtest || exit 1
+        configdump
+        ERROR=$?
+        ;;
+
+virtualhosts)
+        configtest || exit 1
+        ${APACHE2} ${APACHE2_OPTS} -S
+        ERROR=$?
+        ;;
+
+modules)
+        configtest || exit 1
+        ${APACHE2} ${APACHE2_OPTS} -M 2>&1
+        ERROR=$?
+        ;;
+
+# For all other options fall back to the legacy way of handling them
+*)
+        ${APACHE2} ${APACHE2_OPTS} "${@}"
+        ERROR=$?
+        ;;
+esac
+
+exit $ERROR