Fetch AWS EC2 Instance Details

describe-instances.sh

#!/bin/bash
# Fetch and Filter Running EC2 Instance by name
# https://docs.aws.amazon.com/cli/latest/reference/ec2/describe-instances.html
# Query:
#   Name: Instance Name
#   DnsName: Public DNS Name
#   State: Instance State
#   AZ: Availability Zone
# Filter:
#   Filter by name
#   Filter running instances(code = 16)
# Profile:
#   Use ec2-manager(default profile is used as default)

aws ec2 describe-instances \
  --query
  'Reservations[*].Instances[*].{Name:Tags[?Key==`Name`]|[0].Value,DnsName:PublicDnsName,State:State,Instance:InstanceId,AZ:Placement.AvailabilityZone}' \
  --filters Name=tag-value,Values='CHANGE TO INSTANCE NAME' Name=instance-state-code,Values=16 \
  --profile ec2-manager