古いログストリームを削除

prune_log_streams.sh

#!/bin/bash

for group in $(aws logs describe-log-groups | jq -r '.logGroups[].logGroupName'); do
    echo "Fetching: $group"
    for stream in $(aws logs describe-log-streams --log-group-name "$group" | jq -r '
        .logStreams[]
        | select(.storedBytes == 0 and ($now|tonumber) - .creationTime / 1000 > 86400)
        | .logStreamName
    ' --arg now $(date +%s)); do
        echo "Deleting: $group $stream"
        aws logs delete-log-stream --log-group-name "$group" --log-stream-name "$stream"
    done
done