Added sysvinit/sysconfig files for redhat family of distros (RHEL/CentOS/SL/etc.)

Docker-DCO-1.1-Signed-off-by: Adam Miller <admiller@redhat.com> (github: maxamillion)

contrib/init/sysvinit-redhat/docker

@@ -0,0 +1,128 @@
+#!/bin/sh
+#
+#       /etc/rc.d/init.d/docker
+#
+#       Daemon for docker.io
+#       
+# chkconfig:   2345 95 95
+# description: Daemon for docker.io
+
+### BEGIN INIT INFO
+# Provides:       docker
+# Required-Start: $network cgconfig
+# Required-Stop:
+# Should-Start:
+# Should-Stop:
+# Default-Start: 2 3 4 5
+# Default-Stop:  0 1 6
+# Short-Description: start and stop docker
+# Description: Daemon for docker.io
+### END INIT INFO
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+prog="docker"
+exec="/usr/bin/$prog"
+pidfile="/var/run/$prog.pid"
+lockfile="/var/lock/subsys/$prog"
+logfile="/var/log/$prog"
+
+[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
+
+prestart() {
+    service cgconfig status > /dev/null
+
+    if [[ $? != 0 ]]; then
+        service cgconfig start
+    fi
+
+    preexec="/sbin/sysctl"
+    [ -x $preexec ] || exit 6
+    $preexec -w net.ipv4.ip_forward=1 > /dev/null 2>&1
+    $preexec -w net.ipv6.conf.all.forwarding=1 > /dev/null 2>&1
+
+}
+
+start() {
+    [ -x $exec ] || exit 5
+
+    if ! [ -f $pidfile ]; then
+        prestart
+        printf "Starting $prog:\t"
+        echo "\n$(date)\n" >> $logfile
+        $exec -d $other_args &>> $logfile &
+        pid=$!
+        touch $lockfile
+        success
+        echo
+    else
+        failure
+        echo
+        printf "$pidfile still exists...\n"
+        exit 7
+    fi
+}
+
+stop() {
+    echo -n $"Stopping $prog: "
+    killproc -p $pidfile $prog
+    retval=$?
+    echo
+    [ $retval -eq 0 ] && rm -f $lockfile
+    return $retval
+}
+
+restart() {
+    stop
+    start
+}
+
+reload() {
+    restart
+}
+
+force_reload() {
+    restart
+}
+
+rh_status() {
+    status -p $pidfile $prog
+}
+
+rh_status_q() {
+    rh_status >/dev/null 2>&1
+}
+
+case "$1" in
+    start)
+        rh_status_q && exit 0
+        $1
+        ;;
+    stop)
+        rh_status_q || exit 0
+        $1
+        ;;
+    restart)
+        $1
+        ;;
+    reload)
+        rh_status_q || exit 7
+        $1
+        ;;
+    force-reload)
+        force_reload
+        ;;
+    status)
+        rh_status
+        ;;
+    condrestart|try-restart)
+        rh_status_q || exit 0
+        restart
+        ;;
+    *)
+        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
+        exit 2
+esac
+
+exit $?

contrib/init/sysvinit-redhat/docker.sysconfig

@@ -0,0 +1,7 @@
+# /etc/sysconfig/docker
+# 
+# Other arguments to pass to the docker daemon process
+# These will be parsed by the sysv initscript and appended
+# to the arguments list passed to docker -d
+
+other_args=""