AWS scripts

delete-log-streams-from-group.sh

#!/usr/bin/env bash

LOG_GROUP_NAME=${1:?log group name is not set}

echo Getting stream names...
LOG_STREAMS=$(
  aws logs describe-log-streams \
    --log-group-name ${LOG_GROUP_NAME} \
    --query 'logStreams[*].logStreamName' \
    --output table |
    awk '{print $2}' |
    grep -v ^$ |
    grep -v DescribeLogStreams
)

test $? -ne 0 && exit

echo These streams will be deleted:
printf "${LOG_STREAMS}\n"
echo Total $(wc -l <<<"${LOG_STREAMS}") streams
echo

while true; do
  read -p "Proceed? " yn
  case $yn in
  [Yy]*) break ;;
  [Nn]*) exit ;;
  *) echo "Please answer yes or no." ;;
  esac
done

for name in ${LOG_STREAMS}; do
  printf "Delete stream ${name}... "
  aws logs delete-log-stream --log-group-name ${LOG_GROUP_NAME} --log-stream-name ${name} && echo OK || echo Fail
done