111 lines
3.3 KiB
Bash
111 lines
3.3 KiB
Bash
# Sourced by managed-container; uses the shared OCF and parameter environment.
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managed_promote()
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{
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local monitor_rc role i
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# Belt-and-suspenders safety: promotion scoring already returns
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# -INFINITY while this marker exists, but refuse the action itself too.
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# This protects against an administrative/manual promotion request or a
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# future scoring regression.
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if pg_rejoin_pending; then
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ocf_exit_reason \
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"Cannot promote PostgreSQL while rejoin-required is set; instance must rejoin the elected primary first"
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return "${OCF_ERR_GENERIC}"
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fi
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managed_monitor
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monitor_rc=$?
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case "${monitor_rc}" in
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"${OCF_RUNNING_PROMOTED}")
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ocf_log info \
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"PostgreSQL is already primary; reconciling primary invariants"
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if ! ensure_local_ha_slots; then
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ocf_exit_reason \
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"HA slot reconciliation failed on existing primary"
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return "${OCF_ERR_GENERIC}"
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fi
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if ! ensure_rewind_privileges; then
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ocf_exit_reason \
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"pg_rewind privilege reconciliation failed on existing primary"
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return "${OCF_ERR_GENERIC}"
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fi
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pg_clear_rejoin_pending >/dev/null 2>&1 || true
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return "${OCF_SUCCESS}"
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;;
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"${OCF_SUCCESS}")
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# Healthy standby: continue with promotion.
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;;
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"${OCF_NOT_RUNNING}")
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ocf_exit_reason \
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"Cannot promote PostgreSQL because the resource is not running"
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return "${OCF_ERR_GENERIC}"
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;;
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*)
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ocf_exit_reason \
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"Cannot promote unhealthy PostgreSQL instance (monitor rc=${monitor_rc})"
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return "${monitor_rc}"
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;;
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esac
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ocf_log info \
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"Promoting PostgreSQL standby inside ${CONTAINER_NAME}"
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if ! pg_command '
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BINDIR="$(pg_config --bindir)" || exit 1
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exec "$BINDIR/pg_ctl" \
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-D "$PGDATA" \
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promote -w
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'
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then
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ocf_exit_reason "pg_ctl promote failed"
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return "${OCF_ERR_GENERIC}"
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fi
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for i in $(seq 1 30); do
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role="$(pg_role 2>/dev/null)" || {
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sleep 1
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continue
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}
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if [ "${role}" = "f" ]; then
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ocf_log info \
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"PostgreSQL became primary; reconciling primary invariants"
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if ! ensure_local_ha_slots; then
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ocf_exit_reason \
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"PostgreSQL promoted but HA slot reconciliation failed"
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return "${OCF_ERR_GENERIC}"
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fi
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if ! ensure_rewind_privileges; then
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ocf_exit_reason \
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"PostgreSQL promoted but pg_rewind privilege reconciliation failed"
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return "${OCF_ERR_GENERIC}"
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fi
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if ! pg_clear_rejoin_pending; then
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ocf_log warn \
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"PostgreSQL promoted successfully but provisional rejoin marker could not be cleared"
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fi
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ocf_log info \
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"PostgreSQL promotion completed successfully"
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return "${OCF_SUCCESS}"
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fi
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sleep 1
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done
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ocf_exit_reason \
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"PostgreSQL did not become primary after promotion"
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return "${OCF_ERR_GENERIC}"
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}
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