[Unit]
Description=PostgreSQL Database Server - Upgrade
Documentation=https://hub.docker.com/r/pgautoupgrade/pgautoupgrade
After=network.target postgresql-set-major.service
Before=postgresql-server.service
Requires=postgresql-set-major.service

# Only start if PostgreSQL has been configured
ConditionPathExists=/etc/quadlets/postgresql/config.env
# and initialized
ConditionPathExists=/var/lib/quadlets/postgresql/.initialized
# and not yet upgraded
ConditionPathExists=!/var/lib/quadlets/postgresql/latest/docker/PG_VERSION

# Start/stop this unit when the target is started/stopped
PartOf=postgresql.target

[Container]
ContainerName=postgresql-upgrade-to-${PG_MAJOR}-job
Image=docker.io/pgautoupgrade/pgautoupgrade:${PG_MAJOR}-alpine

# Network configuration
Network=host

# Those environment variables will be injected by podman into the container
EnvironmentFile=/etc/quadlets/postgresql/config.env

# Use our entrypoint script to upgrade the database
Entrypoint=/usr/local/bin/upgrade.sh
User=postgres

# Volume mounts
Volume=/var/lib/quadlets/postgresql:/var/lib/postgresql:z
Volume=/etc/quadlets/postgresql/upgrade.sh:/usr/local/bin/upgrade.sh:z,ro

[Service]
Restart=no
TimeoutStartSec=600

# These environment variables are sourced to be used by systemd in the Exec* commands
EnvironmentFile=/etc/quadlets/postgresql/config.env

# This container is a job - run once to completion
Type=oneshot

[Install]
WantedBy=postgresql.target