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

Thanks for the kind words! 🙏

weird I had to use the -c option instead of the --table-columns one

I also had to do the same tweak

Interesting, what shell did you use? The man page that I checked lists --table-columns.

Mostly like a BSD vs GNU problem.

COLUMN(1)                                                          General Commands Manual                                                          COLUMN(1)

NAME
     column – columnate lists

SYNOPSIS
     column [-tx] [-c columns] [-s sep] [file ...]

DESCRIPTION
     The column utility formats its input into multiple columns.  Rows are filled before columns.  Input is taken from file operands, or, by default, from
     the standard input.  Empty lines are ignored.

     The options are as follows:

     -c      Output is formatted for a display columns wide.

     -s      Specify a set of characters to be used to delimit columns for the -t option.

     -t      Determine the number of columns the input contains and create a table.  Columns are delimited with whitespace, by default, or with the
             characters supplied using the -s option.  Useful for pretty-printing displays.

     -x      Fill columns before filling rows.

ENVIRONMENT
     The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7).

EXIT STATUS
     The column utility exits 0 on success, and >0 if an error occurs.

EXAMPLES
           (printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; \
           printf "HH:MM/YEAR NAME\n" ; \
           ls -l | sed 1d) | column -t

SEE ALSO
     colrm(1), ls(1), paste(1), sort(1)

HISTORY
     The column command appeared in 4.3BSD-Reno.

BUGS
     Input lines are limited to LINE_MAX (2048) bytes in length.

macOS 14.3                                                              July 29, 2004                                                              macOS 14.3

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

Would also be nice to be able to specify --profile and have the option to loop through --regions in the ECR commands.