Multiple account awless search/filter

list_filter_awless.sh

#!/usr/bin/env bash

set -eu -o pipefail

FILTER=${1-.*}
REGIONS="us-east-1 us-east-2 us-west-1 us-west-2"

tempwork=$(mktemp -d)

# When the script finishes or is cancelled, clean up the temp dir
trap \
  "{ rm -rf ${tempwork}; }" \
  SIGINT SIGTERM ERR EXIT

echo "Searching..."

PROFILES=$(cat ~/.aws/credentials | tr -d '[' | tr -d ']')

# In parallel, loop through each region, grep for the search pattern, and write the output to a temp file
for PROFILE in $PROFILES; do
  (
  echo $PROFILE
  for REGION in $REGIONS; do
    awless --aws-profile $PROFILE --aws-region $REGION list instances | grep -Ei "${FILTER}" || true
  done
  echo
  ) > ${tempwork}/${PROFILE} &
done

# Wait for all backgrounded awless commands above to complete
wait

# Check if any of the output captured has more than 2 lines of output, and print if they do
FOUND=0
for PROFILE in $PROFILES; do
  COUNT=$( wc -l ${tempwork}/${PROFILE} | awk '{print $1}')
  if [ $COUNT -gt 2 ]; then
    cat ${tempwork}/${PROFILE}
    FOUND=$(( $FOUND + 1 ))
  fi
done

# None of the files had output, specifically state that and show what was the search pattern
if [ $FOUND == 0 ]; then
  echo "No results match search pattern:  ${FILTER}"
fi