AWS CLI Examples

awscliexample.md

Some AWS CLI commands I find useful

Subnets in a VPC

aws ec2 describe-subnets \
--filters "Name=vpc-id,Values=<VpcId>" \
--query 'Subnets[*].[VpcId,SubnetId,CidrBlock,MapPublicIpOnLaunch,AvailabilityZone,Tags[?Key==`Name`]|[0].Value]' \
--output text

EC2 instances in SunbetId

aws ec2 describe-instances \
--query 'Reservations[*].Instances[*].{Instance:InstanceId,Name:Tags[?Key==`Name`]|[0].Value}' \
--filters "Name=subnet-id,Values=<SubnetId>" \
--output text

All unassoicated Elastic IP's

aws ec2 describe-addresses \
--query 'Addresses[?AssociationId==null]' \
--output text

All Elastic IP's with an Instance

aws ec2 describe-addresses \
--query 'Addresses[?InstanceId!=null]'  \
--output text

All instances in need of some attention

aws ec2 describe-instance-status \
--filters "Name=event.code,Values=instance-reboot,system-reboot, system-maintenance,instance-retirement,instance-stop" \
--query 'InstanceStatuses[*].InstanceId' \
--output table

CF stacks completed or updated

aws cloudformation list-stacks \
--stack-status-filter UPDATE_COMPLETE CREATE_COMPLETE 
--query 'StackSummaries[*].StackName' 
--output yaml