Cron AWS Auto Scaling Group

asg-cron.sh

#!/bin/bash

# Collect some information about this instance
MY_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
MY_REGION=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/.$//')
MY_ASG=$(aws autoscaling describe-auto-scaling-instances --region $MY_REGION --instance-ids $MY_ID --query "AutoScalingInstances[].AutoScalingGroupName" --output text)

# Query the ASG
FIRST_ID=$(aws autoscaling describe-auto-scaling-groups --region $MY_REGION --auto-scaling-group-name $MY_ASG --query "AutoScalingGroups[].Instances[0].InstanceId" --output text)

if [ "$FIRST_ID" == "$MY_ID" ]; then
        exit 0
else
        exit 1
fi

cron-policy.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "autoscaling:DescribeAutoScalingInstances",
                "ec2:DescribeInstances",
                "autoscaling:DescribeAutoScalingGroups",
                "ec2:DescribeInstanceAttribute",
                "ec2:DescribeInstanceStatus"
            ],
            "Resource": "*"
        }
    ]
}

crontab

*/10 * * * *    /bin/bash /opt/asg-cron.sh && /bin/bash /pat/to//file/mautic_campaign_trigger.sh >/dev/null 2>&1
*/5 * * * *     /bin/bash /opt/asg-cron.sh && /bin/bash /pat/to//file/mautic_emails_send.sh >/dev/null 2>&1