[Unit] Description=Prometheus alertmanager. After=network.target [Service] Type=simple PIDFile={{ prometheus_pid_path }}/alertmanager.pid User={{ prometheus_user }} Group={{ prometheus_group }} {% if prometheus_opts is defined %} ExecStart={{ alertmanager_daemon_dir }}/alertmanager {{ alertmanager_default_opts }} {{ alertmanager_opts }} {% else %} ExecStart={{ alertmanager_daemon_dir }}/alertmanager {{ alertmanager_default_opts }} {% endif %} ExecReload=/bin/kill -HUP $MAINPID