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August 13, 2024 21:19
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#!/bin/bash | |
set -euo pipefail | |
# initial export modeled on https://workos.com/docs/migrate/aws-cognito/1-exporting-cognito-user-data | |
if [ $# -eq 0 ]; then | |
echo "Usage: $0 <user-pool-id> <region>" | |
exit 1 | |
fi | |
if ! [ -x "$(command -v aws)" ]; then | |
echo "Error: aws cli is not installed." >&2 | |
exit 1 | |
fi | |
if ! [ -x "$(command -v jq)" ]; then | |
echo "Error: jq is not installed." >&2 | |
exit 1 | |
fi | |
if [ -z "$1" ] || [ -z "$2" ]; then | |
echo "Error: user-pool-id and region are required." >&2 | |
exit 1 | |
fi | |
user_pool_id="$1" | |
region="$2" | |
output_dir="cognito_exports" | |
file_index=1 | |
mkdir -p "$output_dir" | |
export_users() { | |
# list users | |
aws cognito-idp list-users --user-pool-id "$user_pool_id" --region "$region" $1 | \ | |
jq '.' > "$output_dir/users_$2.json" | |
} | |
next_token="" | |
while true; do | |
next_token=$(export_users "${next_token:+--pagination-token $next_token}" "$file_index" | jq -r '.PaginationToken // empty') | |
[ -z "$next_token" ] && break | |
((file_index++)) | |
done | |
echo "Export complete, combining user files..." | |
# merge all .Users arrays in input files into one file | |
jq -s ' | |
reduce .[] as $item (null; .Users += $item.Users)' $output_dir/users_*.json > "$output_dir/users.json" | |
echo "Combined exported user files to $output_dir/users.json" | |
# use jq to create csv with top level keys, plus values of all attributes (prefixed with "attr:") | |
jq -r ' | |
.Users as $users | | |
($users | map(keys) | add | unique | del(.[] | select(. == "Attributes"))) as $topLevelKeys | | |
($users | map(.Attributes.[].Name) | unique) as $attributeKeys | | |
($topLevelKeys + ($attributeKeys | map("attr:" + .))) as $headerRow | | |
($users | map(. as $user | ($topLevelKeys | map($user[.] // "" | tostring) + ($user.Attributes | from_entries as $in | $attributeKeys | map($in[.] // "" | tostring))))) as $rows | | |
($headerRow, $rows[]) | @csv' $output_dir/users.json > "$output_dir/users.csv" | |
echo "Exported csv to $output_dir/users.csv" |
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