Add scripts to command SW NLB-HAProxy

scripts/nlb/addTargetNode.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+nodeId=${1:-vm}
+nodeIp=${2:-127.0.0.1}
+targetPort=${3:-80}
+
+## haproxy can be replaced
+
+echo "        server             ${nodeId} ${nodeIp}:${targetPort} check" | sudo tee -a /etc/haproxy/haproxy.cfg
+
+## show config
+cat /etc/haproxy/haproxy.cfg

scripts/nlb/applyConfig.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+## haproxy can be replaced
+
+sudo systemctl restart haproxy
+cat /etc/haproxy/haproxy.cfg

scripts/nlb/deployNlb.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+mcisId=${1:-mcis}
+listenMode=${2:-tcp}
+listenPort=${3:-80}
+balanceAlgo=${4:-roundrobin}
+
+## haproxy can be replaced
+sudo apt update > /dev/null
+sudo apt install haproxy -y > /dev/null
+sudo systemctl enable haproxy
+haproxy -v
+
+## show config
+cat /etc/haproxy/haproxy.cfg
+
+echo "
+## define admin page for statistics dashboard
+listen admin
+        bind *:9000
+        mode http
+        stats enable
+        stats refresh 10s
+        stats uri /
+        stats auth  default:default" | sudo tee -a /etc/haproxy/haproxy.cfg
+
+echo "
+## define frontend
+frontend ${mcisId}.frontend
+        bind *:$listenPort
+        mode $listenMode
+        default_backend    ${mcisId}.backend
+        option             forwardfor" | sudo tee -a /etc/haproxy/haproxy.cfg
+
+echo "
+## define backend
+backend ${mcisId}.backend
+        balance            ${balanceAlgo}" | sudo tee -a /etc/haproxy/haproxy.cfg
+
+## show config
+cat /etc/haproxy/haproxy.cfg