/*      $NetBSD: vgcreate.c,v 1.1.1.3 2009/12/02 00:25:57 haad Exp $    */

/*
* 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"

int vgcreate(struct cmd_context *cmd, int argc, char **argv)
{
       struct vgcreate_params vp_new;
       struct vgcreate_params vp_def;
       struct volume_group *vg;
       const char *tag;
       const char *clustered_message = "";
       char *vg_name;
       struct pvcreate_params pp;

       if (!argc) {
               log_error("Please provide volume group name and "
                         "physical volumes");
               return EINVALID_CMD_LINE;
       }

       vg_name = argv[0];
       argc--;
       argv++;

       if (arg_count(cmd, metadatacopies_ARG)) {
               log_error("Invalid option --metadatacopies, "
                         "use --pvmetadatacopies instead.");
               return EINVALID_CMD_LINE;
       }
       pvcreate_params_set_defaults(&pp);
       if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
               return EINVALID_CMD_LINE;
       }

       vgcreate_params_set_defaults(&vp_def, NULL);
       vp_def.vg_name = vg_name;
       if (vgcreate_params_set_from_args(cmd, &vp_new, &vp_def))
               return EINVALID_CMD_LINE;

       if (vgcreate_params_validate(cmd, &vp_new))
           return EINVALID_CMD_LINE;

       /* Create the new VG */
       vg = vg_create(cmd, vp_new.vg_name);
       if (vg_read_error(vg))
               goto_bad;

       if (!vg_set_extent_size(vg, vp_new.extent_size) ||
           !vg_set_max_lv(vg, vp_new.max_lv) ||
           !vg_set_max_pv(vg, vp_new.max_pv) ||
           !vg_set_alloc_policy(vg, vp_new.alloc) ||
           !vg_set_clustered(vg, vp_new.clustered))
               goto_bad;

       if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
               log_error("Can't get lock for orphan PVs");
               goto bad_orphan;
       }

       /* attach the pv's */
       if (!vg_extend(vg, argc, argv, &pp))
               goto_bad;

       if (vp_new.max_lv != vg->max_lv)
               log_warn("WARNING: Setting maxlogicalvolumes to %d "
                        "(0 means unlimited)", vg->max_lv);

       if (vp_new.max_pv != vg->max_pv)
               log_warn("WARNING: Setting maxphysicalvolumes to %d "
                        "(0 means unlimited)", vg->max_pv);

       if (arg_count(cmd, addtag_ARG)) {
               if (!(tag = arg_str_value(cmd, addtag_ARG, NULL))) {
                       log_error("Failed to get tag");
                       goto bad;
               }

               if (!(vg->fid->fmt->features & FMT_TAGS)) {
                       log_error("Volume group format does not support tags");
                       goto bad;
               }

               if (!str_list_add(cmd->mem, &vg->tags, tag)) {
                       log_error("Failed to add tag %s to volume group %s",
                                 tag, vp_new.vg_name);
                       goto bad;
               }
       }

       if (vg_is_clustered(vg)) {
               clustered_message = "Clustered ";
       } else {
               if (locking_is_clustered())
                       clustered_message = "Non-clustered ";
       }

       if (!archive(vg))
               goto_bad;

       /* Store VG on disk(s) */
       if (!vg_write(vg) || !vg_commit(vg))
               goto_bad;

       unlock_vg(cmd, VG_ORPHANS);
       unlock_vg(cmd, vp_new.vg_name);

       backup(vg);

       log_print("%s%colume group \"%s\" successfully created",
                 clustered_message, *clustered_message ? 'v' : 'V', vg->name);

       vg_release(vg);
       return ECMD_PROCESSED;

bad:
       unlock_vg(cmd, VG_ORPHANS);
bad_orphan:
       vg_release(vg);
       unlock_vg(cmd, vp_new.vg_name);
       return ECMD_FAILED;
}