coreos-home-server/config/service/mariadb/systemd/mariadb-migrate@.service

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[Unit]
Description=MariaDB SQL Migration for %I
Wants=container-environment@%i.service mariadb.service
After=container-environment@%i.service mariadb.service
ConditionPathExists=%E/coreos-home-server/%i/service/%p.sql
[Service]
Type=oneshot
EnvironmentFile=-%E/coreos-home-server/%i/%i.env
EnvironmentFile=%E/coreos-home-server/mariadb/mariadb.env
ExecStartPre=/bin/install --mode 0700 --directory /tmp/%N
ExecStartPre=/bin/sh -c 'envsubst < %E/coreos-home-server/%i/service/%p.sql > /tmp/%N/migrate.sql'
ExecStartPre=/bin/podman create --replace --pull never --rm --name mariadb-migrate-%i --net internal \
--volume mariadb:/var/lib/mysql:z \
--entrypoint mariadb localhost/mariadb:latest \
--host mariadb --user root --password=${MYSQL_ROOT_PASSWORD} --wait -e 'source /migrate.sql'
ExecStartPre=/bin/podman cp /tmp/%N/migrate.sql mariadb-migrate-%i:/migrate.sql
ExecStart=/bin/podman start --attach mariadb-migrate-%i
ExecStartPost=/bin/podman rm --ignore --force mariadb-migrate-%i
ExecStartPost=/bin/rm -Rf /tmp/%N
[Install]
WantedBy=multi-user.target