2 * collectd - src/volume.c
3 * Copyright (C) 2013 Chad Malfait
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 * Chad Malfait <malfaitc at yahoo.com>
28 static void volume_submit(const char *vol_name, const char *type, const char type_instance, gauge_t value)
31 value_list_t vl = VALUE_LIST_INIT;
33 values[0].gauge = value;
36 vl.values_len = STATIC_ARRAY_SIZE (values);
37 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
38 sstrncpy(vl.type, type, sizeof (vl.type));
39 sstrncpy(vl.type_instance, type_instacne, sizeof (vl.type_instance));
41 plugin_dispatch_values (&vl);
44 static int volume_read(void)
49 struct dm_list *vg_names;
50 struct lvm_str_list *name_list;
54 status = lvm_errno(lvm);
55 ERROR("volume plugin: lvm_init failed: %s", lvm_errmsg(lvm));
58 vg_names = lvm_list_vg_names(lvm);
60 status = lvm_errno(lvm);
61 ERROR("volume plugin lvm_list_vg_name failed %s", lvm_errmsg(lvm));
64 dm_list_iterate_items(name_list, vg_names) {
65 vg = lvm_vg_open(lvm, name_list->str, "r", 0);
66 volume_submit(name_list->str, "df_complex", "size", lvm_vg_get_size(vg));
67 volume_submit(name_list->str, "df_complex", "free", lvm_vg_get_free_size(vg));
76 void module_register(void)
78 plugin_register_read("volume", volume_read);
79 } /* void module_register */