Newrelic Sysmond unit file for systemd and Docker. Works with CoreOS and --storage-driver "overlay2" and "overlay".

newrelic-sysmond.service

[Unit]
Description=newrelic-sysmond
After=docker.service

[Service]
ProtectHome=true
ProtectSystem=full

PIDFile=/run/newrelic-sysmond.pid
ExecStartPre=-/bin/bash -c "[[ -x /opt/sbin/nrsysmond ]] || (mkdir -p /opt/sbin; docker pull newrelic/nrsysmond:latest && rsync -au $(docker inspect newrelic/nrsysmond:latest | jq -r '.[0].GraphDriver.Data.UpperDir // .[0].GraphDriver.Data.RootDir')/usr/sbin/nrsysmond /opt/sbin/)"
Environment=NRSYSMOND_loglevel=info
Environment=NRSYSMOND_hostname=%H
Environment=NRSYSMOND_license_key=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
ExecStart=/opt/sbin/nrsysmond -E -p /run/newrelic-sysmond.pid -l /dev/null

KillMode=mixed
Type=forking
RestartForceExitStatus=1 3 3
SuccessExitStatus=1 3 3

[X-Fleet]
Global=true