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110 lines
3.1 KiB
110 lines
3.1 KiB
/*************************************************************************** |
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* Copyright (C) 06/2006 by Olaf Rempel * |
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* razzor@kopf-tisch.de * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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***************************************************************************/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <mntent.h> |
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#include <sys/vfs.h> |
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#include <string.h> |
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#include "plugins.h" |
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#include "probe.h" |
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struct sammler_plugin plugin; |
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static const char *ds_def = { |
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"DS:block_total:GAUGE:15:0:U " |
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"DS:block_free:GAUGE:15:0:U " |
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}; |
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static const char * get_ds(int ds_id) |
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{ |
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return ds_def; |
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} |
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static int probe(void) |
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{ |
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FILE *fp; |
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struct mntent *mnt; |
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struct statfs fs; |
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char *slash, filename[64]; |
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int len; |
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fp = setmntent("/etc/mtab", "r"); |
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if (fp == NULL) { |
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log_print(LOG_WARN, "plugin mount"); |
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return -1; |
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} |
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while ((mnt = getmntent(fp)) != NULL) { |
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if (!strcmp(mnt->mnt_fsname, "none")) |
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continue; |
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if (!strcmp(mnt->mnt_fsname, "proc")) |
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continue; |
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if (!strcmp(mnt->mnt_fsname, "sysfs")) |
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continue; |
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if (!strcmp(mnt->mnt_fsname, "udev")) |
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continue; |
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if (!strcmp(mnt->mnt_fsname, "devpts")) |
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continue; |
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if (!strcmp(mnt->mnt_type, "nfs")) |
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continue; |
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if (!strcmp(mnt->mnt_type, "tmpfs")) |
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continue; |
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if (statfs(mnt->mnt_dir, &fs) == -1) { |
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log_print(LOG_WARN, "plugin mount: statfs(%s)", mnt->mnt_dir); |
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continue; |
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} |
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if (fs.f_blocks == 0) |
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continue; |
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slash = mnt->mnt_fsname; |
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while (slash && (slash = strchr(slash, '/'))) { |
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slash = strchr(slash, '/'); |
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*slash++ = '_'; |
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} |
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len = snprintf(filename, sizeof(filename), "mount%s.rrd", mnt->mnt_fsname); |
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if (len < 0 || len >= sizeof(filename)) { |
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log_print(LOG_WARN, "plugin mount: file name too long", mnt->mnt_fsname); |
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continue; |
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} |
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probe_submit(&plugin, filename, 0, "%lu:%lu", |
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fs.f_blocks * (fs.f_bsize /1024), |
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fs.f_bfree * (fs.f_bsize /1024)); |
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} |
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endmntent(fp); |
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return 0; |
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} |
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struct sammler_plugin plugin = { |
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.name = "mount", |
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.interval = 10, |
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.probe = &probe, |
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.get_ds = &get_ds, |
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};
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