Read retention policies for AWS CloudWatch Log Groups, for a profile and a region

read-retention.sh

#!/bin/bash
# Example - to read the logs retention policy for your default AWS account in region eu-west-1, execute the command:
# read-retention.sh default eu-west-1
export AWS_PROFILE=$1
export AWS_REGION=$2
echo "AWS_PROFILE=$AWS_PROFILE, AWS_REGION=$AWS_REGION"
while read -r i; 
    do (printf "%s: " "$i" && aws logs describe-log-groups --region "$AWS_REGION" --log-group-name-prefix "$i" --query 'logGroups[0].retentionInDays'); 
done < <(aws logs describe-log-groups --region "$AWS_REGION" --query 'logGroups[*].[logGroupName]' | grep / | sed 's/"//g')