TUN-528: Move cloudflared into a separate repo

vendor/github.com/mholt/caddy/dist/init/linux-sysvinit/README.md

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+SysVinit conf for Caddy
+=======================
+
+Usage
+-----
+
+* Download the appropriate Caddy binary in `/usr/local/bin/caddy` or use `curl https://getcaddy.com | bash`.
+* Save the SysVinit config file in `/etc/init.d/caddy`.
+* Ensure that the folder `/etc/caddy` exists and that the folder `/etc/ssl/caddy` is owned by `www-data`.
+* Create a Caddyfile in `/etc/caddy/Caddyfile`
+* Now you can use `service caddy start|stop|restart|reload|status` as `root`.
+
+Init script manipulation
+-----
+
+The init script supports configuration via the following files:
+* `/etc/default/caddy` ( Debian based https://www.debian.org/doc/manuals/debian-reference/ch03.en.html#_the_default_parameter_for_each_init_script )
+* `/etc/sysconfig/caddy` ( CentOS based https://www.centos.org/docs/5/html/5.2/Deployment_Guide/s1-sysconfig-files.html )
+
+The following variables can be changed:
+* DAEMON: path to the caddy binary file (default: `/usr/local/bin/caddy`)
+* DAEMONUSER: user used to run caddy (default: `www-data`)
+* PIDFILE: path to the pidfile (default: `/var/run/$NAME.pid`)
+* LOGFILE: path to the log file for caddy daemon (not for access logs) (default: `/var/log/$NAME.log`)
+* CONFIGFILE: path to the caddy configuration file (default: `/etc/caddy/Caddyfile`)
+* CADDYPATH: path for SSL certificates managed by caddy (default: `/etc/ssl/caddy`)
+* ULIMIT: open files limit (default: `8192`)

vendor/github.com/mholt/caddy/dist/init/linux-sysvinit/caddy

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+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:          caddy
+# Required-Start:    $local_fs $network $named $time $syslog
+# Required-Stop:     $local_fs $network $named $time $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: starts the caddy web server
+# Description:       starts caddy using start-stop-daemon
+### END INIT INFO
+
+# Original Author: Frédéric Galusik (fredg)
+# Maintainer: Daniel van Dorp (djvdorp)
+
+DESC="the caddy web server"
+NAME=caddy
+DAEMON=/usr/local/bin/caddy
+
+DAEMONUSER=www-data
+PIDFILE=/var/run/$NAME.pid
+LOGFILE=/var/log/$NAME.log
+CONFIGFILE=/etc/caddy/Caddyfile
+
+USERBIND="setcap cap_net_bind_service=+ep"
+STOP_SCHEDULE="${STOP_SCHEDULE:-QUIT/5/TERM/5/KILL/5}"
+CADDYPATH=/etc/ssl/caddy
+ULIMIT=8192
+
+test -x $DAEMON || exit 0
+
+# allow overwriting variables
+#   Debian based
+[ -e "/etc/default/caddy" ] && . /etc/default/caddy
+#   CentOS based
+[ -e "/etc/sysconfig/caddy" ] && . /etc/sysconfig/caddy
+
+if [ -z "$DAEMONOPTS" ]; then
+    # daemon options
+    DAEMONOPTS="-agree=true -log=$LOGFILE -conf=$CONFIGFILE"
+fi
+
+# Set the CADDYPATH; Let's Encrypt certificates will be written to this directory.
+export CADDYPATH
+
+# Set the ulimits
+ulimit -n ${ULIMIT}
+
+
+start() {
+    $USERBIND $DAEMON
+    touch $LOGFILE && chown $DAEMONUSER $LOGFILE
+    start-stop-daemon --start --quiet --make-pidfile --pidfile $PIDFILE \
+        --background --chuid $DAEMONUSER --oknodo --exec $DAEMON -- $DAEMONOPTS
+}
+
+stop() {
+    start-stop-daemon --stop --quiet --pidfile $PIDFILE --retry=$STOP_SCHEDULE \
+        --name $NAME --oknodo
+    rm -f $PIDFILE
+}
+
+reload() {
+    start-stop-daemon --stop --quiet --signal USR1 --pidfile $PIDFILE \
+        --name $NAME
+}
+
+status() {
+    if [ -f $PIDFILE ]; then
+        if kill -0 $(cat "$PIDFILE"); then
+            echo "$NAME is running"
+        else
+            echo "$NAME process is dead, but pidfile exists"
+        fi
+    else
+        echo "$NAME is not running"
+    fi
+}
+
+case "$1" in
+    start)
+        echo "Starting $NAME"
+        start
+    ;;
+    stop)
+        echo "Stopping $NAME"
+        stop
+    ;;
+    restart)
+        echo "Restarting $NAME"
+        stop
+        start
+    ;;
+    reload)
+        echo "Reloading $NAME configuration"
+        reload
+    ;;
+    status)
+        status
+    ;;
+    *)
+        echo "Usage: $0 {start|stop|restart|reload|status}"
+        exit 2
+    ;;
+esac
+
+exit 0