matrix-docker-ansible-deploy/roles/custom/matrix-synapse/templates/synapse/bin/register-user.j2

#jinja2: lstrip_blocks: True
#!/bin/bash

{% if matrix_synapse_matrix_authentication_service_enabled %}
	echo "Registering users is handled by the Matrix Authentication Service, so you cannot use this script anymore."
	echo "Consider using the {{ matrix_synapse_register_user_script_matrix_authentication_service_path }} script instead."
	exit 2
{% else %}
if [ $# -ne 3 ]; then
	echo "Usage: "$0" <username> <password> <admin access: 0 or 1>"
	exit 1
fi

user=$1
password=$2
admin=$3

wait_for_synapse() {
	local timeout_seconds=180
	local interval_seconds=5
	local elapsed=0
	local last_reason=""

	while [ "$elapsed" -lt "$timeout_seconds" ]; do
		if ! {{ devture_systemd_docker_base_host_command_docker }} ps -a --format '{{"{{"}}.Names{{"}}"}}' | grep -q '^matrix-synapse$'; then
			last_reason="container not found"
		elif [ "$({{ devture_systemd_docker_base_host_command_docker }} inspect -f '{{"{{"}}.State.Running{{"}}"}}' matrix-synapse 2>/dev/null)" != "true" ]; then
			last_reason="container not running"
		elif ! {{ devture_systemd_docker_base_host_command_docker }} exec matrix-synapse \
			curl -fsS "http://localhost:{{ matrix_synapse_container_client_api_port }}/health" >/dev/null 2>&1; then
			last_reason="health endpoint not ready"
		else
			return 0
		fi

		sleep "$interval_seconds"
		elapsed=$((elapsed + interval_seconds))
	done

	echo "Timed out waiting for matrix-synapse to become healthy after ${timeout_seconds}s (${last_reason})."
	return 1
}

if ! wait_for_synapse; then
	exit 1
fi

if [ "$admin" -eq "1" ]; then
	{{ devture_systemd_docker_base_host_command_docker }} exec matrix-synapse register_new_matrix_user -u "$user" -p "$password" -c /data/homeserver.yaml --admin http://localhost:{{ matrix_synapse_container_client_api_port }}
else
	{{ devture_systemd_docker_base_host_command_docker }} exec matrix-synapse register_new_matrix_user -u "$user" -p "$password" -c /data/homeserver.yaml --no-admin http://localhost:{{ matrix_synapse_container_client_api_port }}
fi
{% endif %}