/*************************************************************************** * Copyright (C) 06/2006 by Olaf Rempel * * razzor@kopf-tisch.de * * * * This program 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 Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU 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 #include #include #include #include #include "plugins.h" struct sammler_plugin plugin; static char *ds_def[] = { "DS:block_total:GAUGE:%d:0:U", "DS:block_free:GAUGE:%d:0:U", NULL }; static char ** get_ds(int ds_id) { return ds_def; } static void probe(void) { FILE *fp; struct mntent *mnt; struct statfs fs; char *slash, filename[64]; int len; fp = setmntent("/etc/mtab", "r"); if (fp == NULL) { log_print(LOG_WARN, "plugin mount"); return; } while ((mnt = getmntent(fp)) != NULL) { if (!strcmp(mnt->mnt_fsname, "none")) continue; if (!strcmp(mnt->mnt_fsname, "proc")) continue; if (!strcmp(mnt->mnt_fsname, "sysfs")) continue; if (!strcmp(mnt->mnt_fsname, "udev")) continue; if (!strcmp(mnt->mnt_fsname, "devpts")) continue; if (!strcmp(mnt->mnt_type, "nfs")) continue; if (!strcmp(mnt->mnt_type, "tmpfs")) continue; if (statfs(mnt->mnt_dir, &fs) == -1) { log_print(LOG_WARN, "plugin mount: statfs(%s)", mnt->mnt_dir); continue; } if (fs.f_blocks == 0) continue; slash = mnt->mnt_fsname; while (slash && (slash = strchr(slash, '/'))) { slash = strchr(slash, '/'); *slash++ = '_'; } len = snprintf(filename, sizeof(filename), "mount%s.rrd", mnt->mnt_fsname); if (len < 0 || len >= sizeof(filename)) { log_print(LOG_WARN, "plugin mount: file name too long", mnt->mnt_fsname); continue; } probe_submit(&plugin, filename, 0, "%lu:%lu", fs.f_blocks * (fs.f_bsize /1024), fs.f_bfree * (fs.f_bsize /1024)); } endmntent(fp); } struct sammler_plugin plugin = { .name = "mount", .version = 1, .probe = &probe, .get_ds = &get_ds, };