1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2005 Cluster File Systems, Inc.
5 * Author: PJ Kirner <pjkirner@clusterfs.com>
7 * This file is part of Lustre, http://www.lustre.org.
9 * Lustre is free software; you can redistribute it and/or
10 * modify it under the terms of version 2 of the GNU General Public
11 * License as published by the Free Software Foundation.
13 * Lustre is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Lustre; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <net-snmp/net-snmp-config.h>
24 #include <net-snmp/net-snmp-includes.h>
25 #include <net-snmp/agent/net-snmp-agent-includes.h>
26 #include <net-snmp/utilities.h>
28 #include "lustre-snmp.h"
31 * clusterFileSystems_variables_oid:
32 * this is the top level oid that we want to register under. This
33 * is essentially a prefix, with the suffix appearing in the
38 oid clusterFileSystems_variables_oid[] = { 1,3,6,1,4,1,13140 };
42 * variable7 clusterFileSystems_variables:
43 * this variable defines function callbacks and type return information
44 * for the clusterFileSystems mib section
48 struct variable7 clusterFileSystems_variables[] = {
49 /* magic number , variable type , ro/rw , callback fn , L, oidsuffix */
51 /* sytemInformation 2.1.1. */
52 { SYSVERSION , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,1 } },
53 { SYSKERNELVERSION , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,2 } },
54 { SYSHEALTHCHECK , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,3 } },
55 { SYSSTATUS , ASN_INTEGER , RWRITE, var_clusterFileSystems, 4, { 2,1,1,4 } },
57 /* objectStorageTargets 2.1.2 */
58 { OSDNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,2,1 } },
60 /* objectStorageTargets.osdTable.osdEntry 2.1.2.2.1 */
61 { OSDUUID , ASN_OCTET_STR , RONLY , var_osdTable, 6, { 2,1,2,2,1,2 } },
62 { OSDCOMMONNAME , ASN_OCTET_STR , RONLY , var_osdTable, 6, { 2,1,2,2,1,3 } },
63 { OSDCAPACITY , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,4 } },
64 { OSDFREECAPACITY , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,5 } },
65 { OSDOBJECTS , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,6 } },
66 { OSDFREEOBJECTS , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,7 } },
68 /* objectStorageClients 2.1.3 */
69 { OSCNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,3,1 } },
71 /* objectStorageClients.oscTable.oscEntry 2.1.3.2.1 */
72 { OSCUUID , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,2 } },
73 { OSCCOMMONNAME , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,3 } },
74 { OSCOSTSERVERUUID , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,4 } },
75 { OSCCAPACITY , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,5 } },
76 { OSCFREECAPACITY , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,6 } },
77 { OSCOBJECTS , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,7 } },
78 { OSCFREEOBJECTS , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,8 } },
81 /* metaDataServers 2.1.4 */
82 { MDDNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,4,1 } },
84 /* metaDataServers.mddTable.mddEntry 2.1.4.2.1 */
85 { MDDUUID , ASN_OCTET_STR , RONLY , var_mdsTable, 6, { 2,1,4,2,1,2 } },
86 { MDDCOMMONNAME , ASN_OCTET_STR , RONLY , var_mdsTable, 6, { 2,1,4,2,1,3 } },
87 { MDDCAPACITY , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,4 } },
88 { MDDFREECAPACITY , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,5 } },
89 { MDDFILES , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,6 } },
90 { MDDFREEFILES , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,7 } },
92 /* metaDataClients 2.1.5 */
93 { MDCNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,5,1 } },
95 /* metaDataClients.mdcTable.mdcEntry 2.1.5.2.1 */
96 { MDCUUID , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,2 } },
97 { MDCCOMMONNAME , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,3 } },
98 { MDCMDSSERVERUUID , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,4 } },
99 { MDCCAPACITY , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,5 } },
100 { MDCFREECAPACITY , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,6 } },
101 { MDCOBJECTS , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,7 } },
102 { MDCFREEOBJECTS , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,8 } },
104 /* lustreClients 2.1.6 */
105 { CLIMOUNTNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,6,1 } },
107 /* lustreClients.cliMountTable.cliMountEntry 2.1.6.2.1 */
108 { CLIUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,2 } },
109 { CLICOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,3 } },
110 { CLIMDCUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,4 } },
111 { CLIMDCCOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,5 } },
112 { CLIUSESLOV , ASN_INTEGER , RONLY , var_cliTable, 6, { 2,1,6,2,1,6 } },
113 { CLILOVUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,7 } },
114 { CLILOVCOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,8 } },
116 /* logicalObjectVolume 2.1.7 */
117 { LOVNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,7,1 } },
119 /* logicalObjectVolume.osdTable.lovTable 2.1.2.2.1 */
120 { LOVUUID , ASN_OCTET_STR , RONLY , var_lovTable, 6, { 2,1,7,2,1,2 } },
121 { LOVCOMMONNAME , ASN_OCTET_STR , RONLY , var_lovTable, 6, { 2,1,7,2,1,3 } },
122 { LOVNUMOBD , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,4 } },
123 { LOVNUMACTIVEOBD , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,5 } },
124 { LOVCAPACITY , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,6 } },
125 { LOVFREECAPACITY , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,7 } },
126 { LOVFILES , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,8 } },
127 { LOVFREEFILES , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,9 } },
128 { LOVSTRIPECOUNT , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,10} },
129 { LOVSTRIPEOFFSET , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,11} },
130 { LOVSTRIPESIZE , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,12} },
131 { LOVSTRIPETYPE , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,13} },
133 /* lustreLDLM 2.1.8 */
134 { LDLMNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,8,1 } },
136 /* lustreLDLM.ldlmTable.ldlmEntry 2.1.8.2.1 */
137 { LDLMNAMESPACE , ASN_OCTET_STR , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,2 } },
138 { LDLMLOCKCOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,3 } },
139 { LDLMUNUSEDLOCKCOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,4 } },
140 { LDLMRESOURCECOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,5 } },
144 /*****************************************************************************
145 * Function: init_cfsNetSNMPPlugin
147 * Description: Called when the agent starts up
153 ****************************************************************************/
155 void init_lustresnmp(void) {
157 /* register ourselves with the agent to handle our mib tree */
158 REGISTER_MIB("clusterFileSystems", clusterFileSystems_variables, variable7,
159 clusterFileSystems_variables_oid);
161 initilize_trap_handler();
163 DEBUGMSGTL(("lsnmpd", "%s %s \n", __FUNCTION__, "Initialization Done"));
166 /*****************************************************************************
167 * Function: deinit_cfsNetSNMPPlugin
169 * Description: Called when the agent terminates up
175 ****************************************************************************/
177 void deinit_lustresnmp(void) {
179 /* deregister ourselves with the agent */
180 unregister_mib(clusterFileSystems_variables_oid,
181 sizeof(clusterFileSystems_variables_oid)/sizeof(clusterFileSystems_variables_oid));
183 terminate_trap_handler();
185 DEBUGMSGTL(("lsnmpd", "%s %s \n", __FUNCTION__, "Termination Done"));
188 /*****************************************************************************
189 * Function: var_clusterFileSystems
191 ****************************************************************************/
193 var_clusterFileSystems(struct variable *vp,
198 WriteMethod **write_method)
202 /* variables we may use later */
203 static long long_ret;
204 static u_long ulong_ret;
205 static unsigned char string[SPRINT_MAX_LEN];
206 char file_path[MAX_PATH_SIZE];
210 if (header_generic(vp,name,length,exact,var_len,write_method)
216 * this is where we do the value assignments for the mib results.
221 sprintf(file_path, "%s%s", LUSTRE_PATH,"version");
222 if( SUCCESS != read_string(file_path, string,sizeof(string)))
224 *var_len = strlen(string);
225 return (unsigned char *) string;
227 case SYSKERNELVERSION:
228 sprintf(file_path, "%s%s", LUSTRE_PATH,"kernel_version");
229 if( SUCCESS != read_string(file_path, string,sizeof(string)))
231 *var_len = strlen(string);
232 return (unsigned char *) string;
235 sprintf(file_path, "%s%s", LUSTRE_PATH,FILENAME_SYSHEALTHCHECK);
236 if( SUCCESS != read_string(file_path, string,sizeof(string)))
238 *var_len = strlen(string);
239 return (unsigned char *) string;
242 *write_method = write_sysStatus;
243 long_ret = (long) get_sysstatus();
244 if (long_ret != ERROR)
245 return (unsigned char *) &long_ret;
249 if( 0 == (dir_list = get_file_list(OSD_PATH, DIR_TYPE, &num)))
251 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",OSD_PATH,num));
254 return (unsigned char *) &ulong_ret;
257 if( 0 == (dir_list = get_file_list(OSC_PATH, DIR_TYPE, &num)))
259 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",OSC_PATH,num));
262 return (unsigned char *) &ulong_ret;
265 if( 0 == (dir_list = get_file_list(MDS_PATH, DIR_TYPE, &num)))
267 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",MDS_PATH,num));
270 return (unsigned char *) &ulong_ret;
273 if( 0 == (dir_list = get_file_list(MDC_PATH, DIR_TYPE, &num)))
275 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",MDC_PATH,num));
278 return (unsigned char *) &ulong_ret;
281 if( 0 == (dir_list = get_file_list(CLIENT_PATH, DIR_TYPE, &num)))
283 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",CLIENT_PATH,num));
286 return (unsigned char *) &ulong_ret;
289 if( 0 == (dir_list = get_file_list(LOV_PATH, DIR_TYPE, &num)))
291 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",LOV_PATH,num));
294 return (unsigned char *) &ulong_ret;
297 if( 0 == (dir_list = get_file_list(LDLM_PATH, DIR_TYPE, &num)))
299 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",LDLM_PATH,num));
302 return (unsigned char *) &ulong_ret;
310 struct oid_table osd_table[] =
312 { OSDUUID,FILENAME_UUID,oid_table_string_handler},
313 { OSDCOMMONNAME,0,oid_table_obj_name_handler},
314 { OSDCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
315 { OSDFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
316 { OSDOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
317 { OSDFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
318 { 0,0,0 } /*End of table*/
322 /*****************************************************************************
323 * Function: var_osdTable
325 ****************************************************************************/
327 var_osdTable(struct variable *vp,
332 WriteMethod **write_method)
334 return var_genericTable(vp,name,length,exact,var_len,write_method,
338 struct oid_table osc_table[] =
340 { OSCUUID,FILENAME_UUID,oid_table_string_handler},
341 { OSCCOMMONNAME,0,oid_table_obj_name_handler},
342 { OSCOSTSERVERUUID,"ost_server_uuid",oid_table_string_handler},
343 { OSCCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
344 { OSCFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
345 { OSCOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
346 { OSCFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
347 { 0,0,0 } /*End of table*/
350 /*****************************************************************************
351 * Function: var_oscTable
353 ****************************************************************************/
355 var_oscTable(struct variable *vp,
360 WriteMethod **write_method)
362 return var_genericTable(vp,name,length,exact,var_len,write_method,
366 struct oid_table mds_table[] =
368 { MDDUUID,FILENAME_UUID,oid_table_string_handler},
369 { MDDCOMMONNAME,0,oid_table_obj_name_handler},
370 { MDDCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
371 { MDDFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
372 { MDDFILES,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
373 { MDDFREEFILES,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
374 { 0,0,0 } /*End of table*/
377 /*****************************************************************************
378 * Function: var_mdsTable
380 ****************************************************************************/
382 var_mdsTable(struct variable *vp,
387 WriteMethod **write_method)
389 return var_genericTable(vp,name,length,exact,var_len,write_method,
393 struct oid_table mdc_table[] =
395 { MDCUUID,FILENAME_UUID,oid_table_string_handler},
396 { MDCCOMMONNAME,0,oid_table_obj_name_handler},
397 { MDCMDSSERVERUUID,"mds_server_uuid",oid_table_string_handler},
398 { MDCCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
399 { MDCFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
400 { MDCOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
401 { MDCFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
402 { 0,0,0 } /*End of table*/
406 /*****************************************************************************
407 * Function: var_mdcTable
409 ****************************************************************************/
411 var_mdcTable(struct variable *vp,
416 WriteMethod **write_method)
418 return var_genericTable(vp,name,length,exact,var_len,write_method,
423 struct oid_table cli_table[] =
425 { CLIUUID,FILENAME_UUID,oid_table_string_handler},
426 { CLICOMMONNAME,0,oid_table_obj_name_handler},
427 { CLIMDCUUID,"mdc/" FILENAME_UUID,oid_table_string_handler},
428 { CLIMDCCOMMONNAME,"mdc/" FILENAME_COMMON_NAME,oid_table_string_handler},
429 { CLIUSESLOV,"lov/",oid_table_is_directory_handler},
430 { CLILOVUUID,"lov/" FILENAME_UUID,oid_table_string_handler},
431 { CLILOVCOMMONNAME,"lov/" FILENAME_COMMON_NAME,oid_table_string_handler},
432 { 0,0,0 } /*End of table*/
435 /*****************************************************************************
436 * Function: var_cliTable
438 ****************************************************************************/
440 var_cliTable(struct variable *vp,
445 WriteMethod **write_method)
447 return var_genericTable(vp,name,length,exact,var_len,write_method,
448 CLIENT_PATH,cli_table);
452 struct oid_table lov_table[] =
454 { LOVUUID,FILENAME_UUID,oid_table_string_handler},
455 { LOVCOMMONNAME,0,oid_table_obj_name_handler},
456 { LOVNUMOBD,"numobd", oid_table_ulong_handler},
457 { LOVNUMACTIVEOBD,"activeobd", oid_table_ulong_handler},
458 { LOVCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
459 { LOVFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
460 { LOVFILES,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
461 { LOVFREEFILES,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
462 { LOVSTRIPECOUNT,"stripecount", oid_table_ulong_handler},
463 { LOVSTRIPEOFFSET,"stripeoffset", oid_table_ulong_handler},
464 { LOVSTRIPESIZE,"stripesize", oid_table_ulong_handler},
465 { LOVSTRIPETYPE,"stripetype", oid_table_ulong_handler},
466 { 0,0,0 } /*End of table*/
470 /*****************************************************************************
471 * Function: var_lovTable
473 ****************************************************************************/
475 var_lovTable(struct variable *vp,
480 WriteMethod **write_method)
482 return var_genericTable(vp,name,length,exact,var_len,write_method,
486 struct oid_table ldlm_table[] =
488 { LDLMNAMESPACE,0,oid_table_obj_name_handler},
489 { LDLMLOCKCOUNT,"lock_count", oid_table_ulong_handler},
490 { LDLMUNUSEDLOCKCOUNT,"lock_unused_count", oid_table_ulong_handler},
491 { LDLMRESOURCECOUNT,"resource_count", oid_table_ulong_handler},
492 { 0,0,0 } /*End of table*/
496 /*****************************************************************************
497 * Function: var_ldlmTable
499 ****************************************************************************/
501 var_ldlmTable(struct variable *vp,
506 WriteMethod **write_method)
508 return var_genericTable(vp,name,length,exact,var_len,write_method,
509 LDLM_PATH,ldlm_table);
513 /*****************************************************************************
514 * Function: write_sysStatus
516 ****************************************************************************/
518 write_sysStatus(int action,
526 static long *long_ret;
534 if (var_val_type != ASN_INTEGER){
535 fprintf(stderr, "write to sysStatus not ASN_INTEGER\n");
536 return SNMP_ERR_WRONGTYPE;
538 if (var_val_len > sizeof(long_ret)){
539 fprintf(stderr,"write to sysStatus: bad length\n");
540 return SNMP_ERR_WRONGLENGTH;
542 if ((*var_val != ONLINE) &&
543 (*var_val != OFFLINE) &&
544 (*var_val != RESTART)){
545 report("%s %s:line %d %s", __FILE__, __FUNCTION__, __LINE__,
546 "sysStatus value is invalid.");
547 return SNMP_ERR_WRONGVALUE;
554 long_ret = (long *) var_val;
561 /* Release any resources that have been allocated */
566 /* The variable has been stored in long_ret for
567 you to use, and you have just been asked to do something with
568 it. Note that anything done here must be reversable in the UNDO case */
569 new_value = *(int *) var_val;
572 lustrefs_ctrl(ONLINE);
576 lustrefs_ctrl(OFFLINE);
580 lustrefs_ctrl(RESTART);
590 /* Back out any changes made in the ACTION case */
595 /* Things are working well, so it's now safe to make the change
596 permanently. Make sure that anything done here can't fail! */
599 return SNMP_ERR_NOERROR;