Initial Commit

entrypoint.sh

@@ -0,0 +1,118 @@
+#!/bin/bash
+set -e
+
+echo " ______                  _    _          _____                     "
+echo "|  ____|                | |  | |   /\   |  __ \                    "
+echo "| |__   __ _ ___ _   _  | |__| |  /  \  | |__) | __ _____  ___   _ "
+echo "|  __| / _\` / __| | | | |  __  | / /\ \ |  ___/ '__/ _ \ \/ / | | |"
+echo "| |___| (_| \__ \ |_| | | |  | |/ ____ \| |   | | | (_) >  <| |_| |"
+echo "|______\__,_|___/\__, | |_|  |_/_/    \_\_|   |_|  \___/_/\_\\__, |"
+echo "                  __/ |                                       __/ |"
+echo "                 |___/                                       |___/ "
+echo ""
+
+defaults() {
+echo "
+defaults
+    timeout connect    3s
+    timeout client    10s
+    timeout server    10m
+
+global
+    log 127.0.0.1 local0 notice
+    maxconn 2000
+"
+}
+
+stats() {
+echo "
+frontend stats
+    bind *:1936
+    mode http
+    stats enable
+    stats hide-version
+    stats realm Haproxy\ Statistics
+    stats uri /
+    stats auth $1:$2
+#    acl is_proxystats hdr_dom(host) -i some.host.com
+#    default_backend srv_stats
+    use_backend srv_stats if is_proxystats
+
+backend srv_stats
+    mode http
+    server Local 127.0.0.1:1936
+"
+}
+
+frontend() {
+    echo "
+frontend http_in
+    bind *:80
+    mode http
+"
+
+    COUNT=1
+    for FEACL in `echo $1`
+    do
+        echo "    acl is_rule_$COUNT hdr_dom(host) -i -m end $FEACL"
+        COUNT=$((COUNT + 1))
+    done
+    echo
+    COUNT=1
+    for FEACL in `echo $1`
+    do
+        echo "    use_backend srv_80_$COUNT if is_rule_$COUNT"
+        COUNT=$((COUNT + 1))
+    done
+}
+
+backend () {
+    COUNT=1
+    for BESRV in `echo $1`
+    do
+        echo "
+backend srv_80_$COUNT
+    balance roundrobin
+    mode http
+    option forwardfor
+    http-request set-header X-Forwarded-Port %[dst_port]
+    http-request add-header X-Forwarded-Proto https if { ssl_fc }
+"
+        echo "    server srv $BESRV check weight 1"
+        COUNT=$((COUNT + 1))
+    done
+}
+
+
+HAPROXY_CFG="/usr/local/etc/haproxy/haproxy.cfg"
+FRONTEND=""
+BACKEND=""
+TURN="FB"
+for LB_HOST in `echo ${LB_HOSTS}`;
+do
+    if [ "$TURN" == "FB" ]
+    then
+        FRONTEND="$FRONTEND $LB_HOST"
+        TURN="BE"
+        continue
+    fi
+
+    if [ "$TURN" == "BE" ]
+    then
+        BACKEND="$BACKEND $LB_HOST"
+        TURN="FB"
+        continue
+    fi
+done
+
+# Write
+defaults > $HAPROXY_CFG
+if [ ! -z "${LB_STATS_USER}" ]
+then
+    stats ${LB_STATS_USER} ${LB_STATS_PASS} >> $HAPROXY_CFG
+fi
+frontend "$FRONTEND" >> $HAPROXY_CFG
+backend "$BACKEND" >> $HAPROXY_CFG
+
+/docker-entrypoint.sh "$@"
+