AWS: Calculate the size of all ECR repositories

awc_ecr_stats.sh

repos=""
sizes=""
name_lens=""

# Check if user is logged in
if ! aws sts get-caller-identity &> /dev/null; then
  echo "ERROR: Seems like your SSO session is invalid. Please run"
  printf "\n  $ aws sso login\n\n"
  echo "before you run the script."
  exit 1
fi

data=$(aws ecr describe-repositories --output json | jq .repositories)
repo_count=$(echo $data | jq length)
index=1
for name in $(echo $data | jq -r .[].repositoryName); do
  # Progress
  echo -en "\033[K"
  echo -n "[$index/$repo_count] GET $name" $'\r'
  
  # Get size
  size=$(aws ecr describe-images --repository-name "$name" --output json | jq .imageDetails[].imageSizeInBytes | awk '{s+=$1}END{OFMT="%.0f";print s}')
  
  if [ -n "$size" ]; then
    raw_size="$size"
    size=$(numfmt --to=iec --suffix=B --format "%.2f" $size)
  else
    raw_size="0"
    size="<no-images>"
  fi
  repos="${repos}$name $size\n"
  sizes="${sizes}$raw_size\n"
  name_lens="${name_lens}${#name}\n"
  
  index=$(expr $index + 1)
done

# Sort repos by size
repos=$(printf "$repos" | sort -k2 -h)

# Add separator before total
max_name_len=$(printf $name_lens | sort -n | tail -1)
repos="${repos}\n$(printf -- '-%.0s' $(seq ${max_name_len})) --------\n"

# Add total size
total=$(printf $sizes | awk '{s+=$1}END{OFMT="%.0f";print s}')
repos="${repos}TOTAL $(numfmt --to=iec --suffix=B --format "%.2f" $total)\n"

# Print final table
printf "$repos" | column -t --table-columns REPOSITORY,SIZE -R SIZE

If you are on macos, you will also need to use gnumfmt instead of numfmt.

Awesome script, I also had to use printf "$repos" | column -t -c REPOSITORY,SIZE for line #50