Origin for each line in node_exporter.service.mk from check-in 7a1e7f4a58:

7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_COMMAND?=/usr/local/bin/node_exporter --web.listen-address=${DAEMON_node_exporter_LISTEN_ADDRESS} --collector.textfile.directory=${DAEMON_node_exporter_TEXTFILE_DIR}
7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_ENABLE?=no
7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_LISTEN_ADDRESS?=:9100
7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_TEXTFILE_DIR?=/var/tmp/node_exporter
7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_USER?=nobody
7a1e7f4a58 2019-10-21        arcade: DAEMON_node_exporter_GROUP?=nobody
7a1e7f4a58 2019-10-21        arcade: 
7a1e7f4a58 2019-10-21        arcade: node_exporter: _service
7a1e7f4a58 2019-10-21        arcade: 	test -z "$${DAEMON_$@_ENABLE}" || \
7a1e7f4a58 2019-10-21        arcade: 	install -d -o ${DAEMON_node_exporter_USER} -g ${DAEMON_node_exporter_GROUP} -m1755 ${DAEMON_node_exporter_TEXTFILE_DIR}