[Unit]
Description=Updates Docker Instances
OnFailure=systemd-notifier@%n.service

[Service]
Type=oneshot
{% if force_backup_before_update | bool %}ExecStartPre=/bin/sh -c 'systemctl start backup-docker-to-local.service'{% endif %}
ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "update-docker") | join(',') }}"'
ExecStart=/bin/sh -c '/usr/bin/python {{update_docker_script}} {{path_docker_compose_instances}}'
ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'