Extract signups from keycloak

keycloak-signups.sh

#!/bin/bash
[[ -z ${HOST} || -z ${ADMIN_PASSWORD} || -z ${REALM} ]] && echo Make sure HOST, ADMIN_PASSWORD and REALM are set > /dev/stderr && exit 1

ACCESS_TOKEN=$(curl \
  --silent \
  --data "client_id=admin-cli" \
  --data "username=admin" \
  --data "password=${ADMIN_PASSWORD}" \
  --data "grant_type=password" \
  "${HOST}/auth/realms/master/protocol/openid-connect/token" | jq --raw-output .access_token)

AUTH_HEADER="Authorization: bearer ${ACCESS_TOKEN}"

curl \
  --silent \
  --header "${AUTH_HEADER}" \
  "${HOST}/auth/admin/realms/${REALM}/users" | jq -r '["createdTimestamp"], (.[] | [(.createdTimestamp / 1000 | todate)]) | @csv'