File varnishlog.service of Package varnish

[Unit]
Description=Varnish log generator
Requires=varnish.service
#After= is not required

[Service]
EnvironmentFile=/etc/sysconfig/varnish
PIDFile=/var/run/varnishlog.pid
ExecStart=/usr/sbin/varnishncsa $VARNISHLOG_PARAMS -P /var/run/varnishlog.pid

[Install]
WantedBy=multi-user.target