AWS cheat sheet

Identity

aws sts get-caller-identity

SSO Login

aws sso login --profile ProfileName

Secrets

• List secret

aws secretsmanager list-secrets

• Get secret

aws secretsmanager get-secret-value --secret-id "SecretName"

Instances

• List

aws ec2 describe-instances

• Filter by ip address

aws ec2 describe-instances --filters Name=private-ip-address,Values=x.x.x.x

• Query by ID, Time and IP

aws ec2 describe-instances --query 'Reservations[*].Instances[*].[InstanceId, LaunchTime, PrivateIpAddress]' --output text

• Query by Tags, ID, VolumeID

aws ec2 describe-instances --query 'Reservations[*].Instances[*].[Tags[?Key==`Name`].Value,InstanceId,BlockDeviceMappings[*].Ebs.VolumeId]'

• Query by ClusterName, show Ami ImageId

aws ec2 describe-instances --filters "Name=tag:SomeTag,Values=SomeVal" --query 'Reservations[*].Instances[*].ImageId' --output text

• Query by ClusterName, show Ami ImageId,PrivateIp

aws ec2 describe-instances --filters "Name=tag:SomeTag,Values=SomeVal" --query 'Reservations[*].Instances[*].[ImageId, PrivateIpAddress]' --output text

EKS

• Update Cluster in Kubeconfig

aws eks update-kubeconfig --name ClusterName

• List clusters

aws eks list-clusters

• List Nodegroups on Clustername

aws eks list-nodegroups --cluster-name ClusterName

• Describe Nodegroup

aws eks describe-nodegroup --cluster-name ClusterName --nodegroup-name NodegroupName

• Describe Nodegroup, Query created at

aws eks describe-nodegroup --cluster-name ClusterName --nodegroup-name NodegroupName | jq '.nodegroup.createdAt' | tr -d '"'

Volumes

• Filter by state

aws ec2 describe-volumes --filters Name=status,Values=in-use
aws ec2 describe-volumes --filters Name=status,Values=available

• List by Tag

aws ec2 describe-volumes --filters "Name=SomeTagName,Values=Tag-Value"

• Count available disks

aws ec2 describe-volumes --filters Name=status,Values=available --query 'Volumes[*].{ID:VolumeId}' --output text | wc -l

• Sum of all available disks

aws ec2 describe-volumes --filters Name=status,Values=in-use | jq "[.Volumes[].Size] | add"

• Filter by state=in-use, query IDs, AZ, Size

aws ec2 describe-volumes --filters Name=status,Values=in-use --query 'Volumes[*].{ID:VolumeId,InstanceId:Attachments[0].InstanceId,AZ:AvailabilityZone,Size:Size}' --output text

• Delete volumes with state available

for vol in $(aws ec2 describe-volumes  | jq -r ".Volumes[] | select(.State==\"available\") | .VolumeId"); do echo $vol ; $(aws ec2 delete-volume --volume-id $vol) ; done

• List/Loop by create date after 2023-09-29

for vol in $(aws ec2 describe-volumes --query "Volumes[?(CreateTime>'2023-09-29')].[VolumeId]" --output text); do echo "$vol" ; done

• List by create date before 5 days or before 1 month

aws ec2 describe-volumes --query "Volumes[?(CreateTime<'$(date --date='-5 day' '+%Y-%m-%d')')].[VolumeId, CreateTime]" --output text
aws ec2 describe-volumes --query "Volumes[?(CreateTime<'$(date --date='-1 month' '+%Y-%m-%d')')].[VolumeId, CreateTime]" --output text

• Loop by create date before 5 days

for vol in $(aws ec2 describe-volumes --query "Volumes[?(CreateTime<'$(date --date='-5 day' '+%Y-%m-%d')')].[VolumeId]" --output text); do echo "Volume $vol" ; done

Autoscaling

• List

aws autoscaling describe-auto-scaling-groups

Parameter Store

aws ssm get-parameters-by-path --path "/somepath" --recursive --query "Parameters[*].Name"

AMI Image

• List by AmiID

aws ec2 describe-images --image-ids ami-xyz

• List by AmiID, Return Creation Date

aws ec2 describe-images --image-ids ami-xyz --query 'Images[*].[CreationDate]' --output text

S3

• List all files/objects within a bucket

aws s3api list-objects --bucket my.bucket.name --output json

• Sum of size and length

aws s3api list-objects --bucket my.bucket.name --output json --query "[sum(Contents[].Size), length(Contents[])]"

Reference

• https://gist.github.com/avoidik/de015c0841aabec5e2d6c9fd6092d206
• https://gist.github.com/nickGermi/290fd28e10e6648e039dc4a64dca7968
• https://jmespath.org/tutorial.html
• https://jmespath.org/specification.html#and-expressions