#!/sbin/openrc-run
# rds-init — boot oneshot that bootstraps or attaches the PostgreSQL cluster
# before the engine starts.
#
# `before postgresql` rather than a dependency of it: the engine runs with
# auto_setup="no", so a failure here leaves postgresql refusing to start rather
# than silently creating an empty cluster. `after rds-agent`, not `need`, so a
# failed fetch fails this oneshot visibly rather than skipping it.

description="Spinifex RDS PostgreSQL bootstrap"

AGENT_ENV="/etc/spinifex-rds/agent.env"

depend() {
    need net
    after rds-agent rds-datadir
    before postgresql
}

start_pre() {
    if [ -f "${AGENT_ENV}" ]; then
        # shellcheck disable=SC1090
        . "${AGENT_ENV}"
        export RDS_HANDOFF_DIR RDS_DATA_MOUNT
    fi
}

start() {
    ebegin "Bootstrapping the RDS PostgreSQL instance"
    # The VM has no operator login, so the host-side serial log is the only view
    # of a bootstrap that failed before the engine came up.
    /usr/local/sbin/rds-init > /dev/console 2>&1
    eend $?
}