aws-ec2-describe-instances-all-regions

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Using parallel:

aws ec2 describe-regions --query "Regions[].{Name:RegionName}" --output text | parallel aws ec2 describe-instances --region {}

Using for expression:

for region in `aws ec2 describe-regions --query "Regions[].{Name:RegionName}" --output text`; do
     echo -e "\nListing Instances in region:'$region'..."
     aws ec2 describe-instances --region $region
done

Prepending region name:

aws ec2 describe-regions --query "Regions[].{Name:RegionName}" --output text |  parallel  "aws ec2 describe-instances --output text --region {} | sed s/^/{}\" \"/ "


Related

See also

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