lvm2/tools/vgremove.c

/*
 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
 * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
 *
 * This file is part of LVM2.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License v.2.1.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "tools.h"

static int vgremove_single(struct cmd_context *cmd, const char *vg_name,
			   struct volume_group *vg,
			   void *handle __attribute__((unused)))
{
	unsigned lv_count, missing;
	force_t force;

	if (!vg_check_status(vg, EXPORTED_VG)) {
		stack;
		return ECMD_FAILED;
	}

	lv_count = vg_visible_lvs(vg);

	force = (force_t) arg_count(cmd, force_ARG);
	if (lv_count) {
		if (force == PROMPT) {
			if ((missing = vg_missing_pv_count(vg)))
				log_warn("WARNING: %d physical volumes are currently missing "
					 "from the system.", missing);
			if (yes_no_prompt("Do you really want to remove volume "
					  "group \"%s\" containing %u "
					  "logical volumes? [y/n]: ",
					  vg_name, lv_count) == 'n') {
				log_error("Volume group \"%s\" not removed", vg_name);
				return ECMD_FAILED;
			}
		}
		if (!remove_lvs_in_vg(cmd, vg, force)) {
			stack;
			return ECMD_FAILED;
		}
	}

	if (!force && !vg_remove_check(vg)) {
		stack;
		return ECMD_FAILED;
	}

	vg_remove_pvs(vg);

	if (!vg_remove(vg)) {
		stack;
		return ECMD_FAILED;
	}

	return ECMD_PROCESSED;
}

int vgremove(struct cmd_context *cmd, int argc, char **argv)
{
	int ret;

	if (!argc) {
		log_error("Please enter one or more volume group paths");
		return EINVALID_CMD_LINE;
	}

	cmd->handles_missing_pvs = 1;
	ret = process_each_vg(cmd, argc, argv,
			      READ_FOR_UPDATE,
			      NULL, &vgremove_single);

	return ret;
}