src/scontrol/power_node.c

/*****************************************************************************\
 *  power_node.c - node power functions for scontrol.
 *****************************************************************************
 *  Copyright (C) SchedMD LLC.
 *
 *  This file is part of Slurm, a resource management program.
 *  For details, see <https://slurm.schedmd.com/>.
 *  Please also read the included file: DISCLAIMER.
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 *  Slurm is free software; you can redistribute it and/or modify it under
 *  the terms of the GNU General Public License as published by the Free
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 *  any later version.
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\*****************************************************************************/

#include "src/scontrol/scontrol.h"

/*
 * Issue RPC to control node(s) power state
 *
 * IN node_list  - list of nodes to issue command to
 * IN power_up   - flag to indicate power up/down of nodes
 * IN asap       - ASAP option
 * IN force      - FORCE option
 *
 * RET SLURM_SUCCESS or a slurm error code
 */
extern int scontrol_power_nodes(char *node_list, bool power_up, bool asap,
				bool force, char *reason)
{
	update_node_msg_t node_msg;

	xassert(!asap || !force);

	slurm_init_update_node_msg(&node_msg);

	node_msg.node_names = node_list;
	node_msg.reason = reason;

	if (power_up)
		node_msg.node_state = NODE_STATE_POWER_UP;
	else
		node_msg.node_state = NODE_STATE_POWER_DOWN;

	if (!power_up && force)
		node_msg.node_state |= NODE_STATE_POWERED_DOWN;

	if (!power_up && asap)
		node_msg.node_state |= NODE_STATE_POWER_DRAIN;

	return slurm_update_node(&node_msg);
}