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Userdata script to setup a basic web page with instance id and tag instance
#!/bin/bash
yum update -y
yum install httpd -y
/sbin/chkconfig --levels 235 httpd on
service httpd start
instanceId=$(curl http://169.254.169.254/latest/meta-data/instance-id)
region=$(curl http://169.254.169.254/latest/dynamic/instance-identity/document | grep region | awk -F\" '{print $4}')
echo "<h1>$instanceId</h1><br/><h3>This is to test AWS ELB with Auto Scaling Group</h3><h4> Bipin Jethwani</h4>" > /var/www/html/index.html
aws ec2 create-tags --resources "$instanceId" --tags Key=Name,Value="PROD-$instanceId" --region "$region"
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