From 23c9950215130fe6bee82b3bfae078e688f70dba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakobus=20Sch=C3=BCrz?= <schuer4@bmi.intra.gv.at>
Date: Wed, 15 Jun 2022 15:18:22 +0200
Subject: [PATCH] add script to en/disable servers from loadbalancers

---
 bin/haproxy-maintenance | 59 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100755 bin/haproxy-maintenance

diff --git a/bin/haproxy-maintenance b/bin/haproxy-maintenance
new file mode 100755
index 0000000..2759e77
--- /dev/null
+++ b/bin/haproxy-maintenance
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+function help() {
+cat << EOF
+
+    Usage: $(basename $0) <action> <node>
+
+    <action>            [enable|disable|help]
+    <node>  Nomenklatur ist <svc><cluster><env><node>
+            <svc>       [jra|cnf]   3 characters
+            <cluster>   [0-9]       1 character
+            <env>       [pte]       1 character
+            <node>      [0-9]       1 character  
+EOF
+}
+
+case $1 in
+    enable)
+        ACTION=enable
+        ;;
+    disable)
+        ACTION=disable
+        ;;
+    help)
+        help
+        exit 0
+        ;;
+    *)
+        help
+        exit 1
+        ;;
+esac
+shift
+
+UMG=${1:4:1}
+CLUSTER=${1:0:4}
+NODE=${1:5:1}
+LBS=( atlb${UMG}1 atlb${UMG}2 )
+BACKENDS=( ${CLUSTER} ${CLUSTER}_direct ) 
+SERVERS=( ${CLUSTER}${NODE} ${CLUSTER}${NODE}d )
+HAADMINSOCK=/run/haproxy/admin.sock
+
+i=0
+while [ $i -lt ${#BACKENDS[@]} ];do
+
+cat << EOF
+    Action:         $ACTION
+    Umgebung:       $UMG
+    Cluster:        $CLUSTER
+    Node:           $NODE
+    Loadbalancers:  ${LBS[*]}
+    Backend:       ${BACKENDS[$i]}
+    Server:        ${SERVERS[$i]}
+    ------------------------------------
+
+EOF
+parallel-ssh -i $(for l in ${LBS[@]};do echo -H $l;done) "echo '$ACTION server ${BACKENDS[$i]}/${SERVERS[$i]}'|socat stdio $HAADMINSOCK"
+i=$((i+1))
+done