[Unit]
Description=Prometheus exporter that mines /proc to report on selected processes

[Service]
ExecStartPre=/bin/bash -c 'test -f /usr/local/bin/process-exporter || curl -sSLf https://github.com/ncabatoff/process-exporter/releases/download/v0.8.7/process-exporter-0.8.7.linux-$(arch | sed -e "s/x86_64/amd64/" -e "s/aarch64/arm64/").tar.gz | tar xvz -C /usr/local/bin/ --strip-components=1 --wildcards "*/process-exporter"'
Environment=OPTIONS=--web.listen-address=127.0.0.1:9256
EnvironmentFile=-/etc/default/process-exporter
ExecStart=/usr/local/bin/process-exporter $OPTIONS

[Install]
WantedBy=multi-user.target