45e7f9c6f78797bbf8f7c3c69f2149252089df10
1 /**
2 * collectd - src/varnish.c
3 * Copyright (C) 2010 Jérôme Renard
4 * Copyright (C) 2010 Marc Fournier
5 * Copyright (C) 2010-2012 Florian Forster
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; only version 2 of the License is applicable.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 * Authors:
21 * Jérôme Renard <jerome.renard at gmail.com>
22 * Marc Fournier <marc.fournier at camptocamp.com>
23 * Florian octo Forster <octo at collectd.org>
24 **/
26 #include "collectd.h"
27 #include "common.h"
28 #include "plugin.h"
29 #include "configfile.h"
31 #if HAVE_VARNISH_V4
32 #include <vapi/vsm.h>
33 #include <vapi/vsc.h>
34 typedef struct VSC_C_main c_varnish_stats_t;
35 #endif
37 #if HAVE_VARNISH_V3
38 #include <varnishapi.h>
39 #include <vsc.h>
40 typedef struct VSC_C_main c_varnish_stats_t;
41 #endif
43 #if HAVE_VARNISH_V2
44 #include <varnishapi.h>
45 typedef struct varnish_stats c_varnish_stats_t;
46 #endif
48 /* {{{ user_config_s */
49 struct user_config_s {
50 char *instance;
52 _Bool collect_cache;
53 _Bool collect_connections;
54 _Bool collect_esi;
55 _Bool collect_backend;
56 #ifdef HAVE_VARNISH_V3
57 _Bool collect_dirdns;
58 #endif
59 _Bool collect_fetch;
60 _Bool collect_hcb;
61 _Bool collect_objects;
62 #if HAVE_VARNISH_V2
63 _Bool collect_purge;
64 #else
65 _Bool collect_ban;
66 #endif
67 _Bool collect_session;
68 _Bool collect_shm;
69 _Bool collect_sms;
70 #if HAVE_VARNISH_V2
71 _Bool collect_sm;
72 _Bool collect_sma;
73 #endif
74 _Bool collect_struct;
75 _Bool collect_totals;
76 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
77 _Bool collect_uptime;
78 #endif
79 _Bool collect_vcl;
80 _Bool collect_workers;
81 #if HAVE_VARNISH_V4
82 _Bool collect_vsm;
83 #endif
84 };
85 typedef struct user_config_s user_config_t; /* }}} */
87 static _Bool have_instance = 0;
89 static int varnish_submit (const char *plugin_instance, /* {{{ */
90 const char *category, const char *type, const char *type_instance, value_t value)
91 {
92 value_list_t vl = VALUE_LIST_INIT;
94 vl.values = &value;
95 vl.values_len = 1;
97 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
99 sstrncpy (vl.plugin, "varnish", sizeof (vl.plugin));
101 if (plugin_instance == NULL)
102 plugin_instance = "default";
104 ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance),
105 "%s-%s", plugin_instance, category);
107 sstrncpy (vl.type, type, sizeof (vl.type));
109 if (type_instance != NULL)
110 sstrncpy (vl.type_instance, type_instance,
111 sizeof (vl.type_instance));
113 return (plugin_dispatch_values (&vl));
114 } /* }}} int varnish_submit */
116 static int varnish_submit_gauge (const char *plugin_instance, /* {{{ */
117 const char *category, const char *type, const char *type_instance,
118 uint64_t gauge_value)
119 {
120 value_t value;
122 value.gauge = (gauge_t) gauge_value;
124 return (varnish_submit (plugin_instance, category, type, type_instance, value));
125 } /* }}} int varnish_submit_gauge */
127 static int varnish_submit_derive (const char *plugin_instance, /* {{{ */
128 const char *category, const char *type, const char *type_instance,
129 uint64_t derive_value)
130 {
131 value_t value;
133 value.derive = (derive_t) derive_value;
135 return (varnish_submit (plugin_instance, category, type, type_instance, value));
136 } /* }}} int varnish_submit_derive */
138 #if HAVE_VARNISH_V2
139 static void varnish_monitor (const user_config_t *conf, /* {{{ */
140 const c_varnish_stats_t *stats)
141 {
142 if (conf->collect_cache)
143 {
144 /* Cache hits */
145 varnish_submit_derive (conf->instance, "cache", "cache_result", "hit", stats->cache_hit);
146 /* Cache misses */
147 varnish_submit_derive (conf->instance, "cache", "cache_result", "miss", stats->cache_miss);
148 /* Cache hits for pass */
149 varnish_submit_derive (conf->instance, "cache", "cache_result", "hitpass", stats->cache_hitpass);
150 }
152 if (conf->collect_connections)
153 {
154 /* Client connections accepted */
155 varnish_submit_derive (conf->instance, "connections", "connections", "accepted", stats->client_conn);
156 /* Connection dropped, no sess */
157 varnish_submit_derive (conf->instance, "connections", "connections", "dropped" , stats->client_drop);
158 /* Client requests received */
159 varnish_submit_derive (conf->instance, "connections", "connections", "received", stats->client_req);
160 }
162 if (conf->collect_esi)
163 {
164 /* ESI parse errors (unlock) */
165 varnish_submit_derive (conf->instance, "esi", "total_operations", "error", stats->esi_errors);
166 /* Objects ESI parsed (unlock) */
167 varnish_submit_derive (conf->instance, "esi", "total_operations", "parsed", stats->esi_parse);
168 }
170 if (conf->collect_backend)
171 {
172 /* Backend conn. success */
173 varnish_submit_derive (conf->instance, "backend", "connections", "success" , stats->backend_conn);
174 /* Backend conn. not attempted */
175 varnish_submit_derive (conf->instance, "backend", "connections", "not-attempted", stats->backend_unhealthy);
176 /* Backend conn. too many */
177 varnish_submit_derive (conf->instance, "backend", "connections", "too-many" , stats->backend_busy);
178 /* Backend conn. failures */
179 varnish_submit_derive (conf->instance, "backend", "connections", "failures" , stats->backend_fail);
180 /* Backend conn. reuses */
181 varnish_submit_derive (conf->instance, "backend", "connections", "reuses" , stats->backend_reuse);
182 /* Backend conn. was closed */
183 varnish_submit_derive (conf->instance, "backend", "connections", "was-closed" , stats->backend_toolate);
184 /* Backend conn. recycles */
185 varnish_submit_derive (conf->instance, "backend", "connections", "recycled" , stats->backend_recycle);
186 /* Backend conn. unused */
187 varnish_submit_derive (conf->instance, "backend", "connections", "unused" , stats->backend_unused);
188 /* Backend requests mades */
189 varnish_submit_derive (conf->instance, "backend", "http_requests", "requests" , stats->backend_req);
190 /* N backends */
191 varnish_submit_gauge (conf->instance, "backend", "backends", "n_backends" , stats->n_backend);
192 }
194 if (conf->collect_fetch)
195 {
196 /* Fetch head */
197 varnish_submit_derive (conf->instance, "fetch", "http_requests", "head" , stats->fetch_head);
198 /* Fetch with length */
199 varnish_submit_derive (conf->instance, "fetch", "http_requests", "length" , stats->fetch_length);
200 /* Fetch chunked */
201 varnish_submit_derive (conf->instance, "fetch", "http_requests", "chunked" , stats->fetch_chunked);
202 /* Fetch EOF */
203 varnish_submit_derive (conf->instance, "fetch", "http_requests", "eof" , stats->fetch_eof);
204 /* Fetch bad headers */
205 varnish_submit_derive (conf->instance, "fetch", "http_requests", "bad_headers", stats->fetch_bad);
206 /* Fetch wanted close */
207 varnish_submit_derive (conf->instance, "fetch", "http_requests", "close" , stats->fetch_close);
208 /* Fetch pre HTTP/1.1 closed */
209 varnish_submit_derive (conf->instance, "fetch", "http_requests", "oldhttp" , stats->fetch_oldhttp);
210 /* Fetch zero len */
211 varnish_submit_derive (conf->instance, "fetch", "http_requests", "zero" , stats->fetch_zero);
212 /* Fetch failed */
213 varnish_submit_derive (conf->instance, "fetch", "http_requests", "failed" , stats->fetch_failed);
214 }
216 if (conf->collect_hcb)
217 {
218 /* HCB Lookups without lock */
219 varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_nolock", stats->hcb_nolock);
220 /* HCB Lookups with lock */
221 varnish_submit_derive (conf->instance, "hcb", "cache_operation", "lookup_lock", stats->hcb_lock);
222 /* HCB Inserts */
223 varnish_submit_derive (conf->instance, "hcb", "cache_operation", "insert", stats->hcb_insert);
224 }
226 if (conf->collect_objects)
227 {
228 /* N expired objects */
229 varnish_submit_derive (conf->instance, "objects", "total_objects", "expired", stats->n_expired);
230 /* N LRU nuked objects */
231 varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_nuked", stats->n_lru_nuked);
232 /* N LRU saved objects */
233 varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_saved", stats->n_lru_saved);
234 /* N LRU moved objects */
235 varnish_submit_derive (conf->instance, "objects", "total_objects", "lru_moved", stats->n_lru_moved);
236 /* N objects on deathrow */
237 varnish_submit_derive (conf->instance, "objects", "total_objects", "deathrow", stats->n_deathrow);
238 /* HTTP header overflows */
239 varnish_submit_derive (conf->instance, "objects", "total_objects", "header_overflow", stats->losthdr);
240 /* Objects sent with sendfile */
241 varnish_submit_derive (conf->instance, "objects", "total_objects", "sent_sendfile", stats->n_objsendfile);
242 /* Objects sent with write */
243 varnish_submit_derive (conf->instance, "objects", "total_objects", "sent_write", stats->n_objwrite);
244 /* Objects overflowing workspace */
245 varnish_submit_derive (conf->instance, "objects", "total_objects", "workspace_overflow", stats->n_objoverflow);
246 }
248 if (conf->collect_purge)
249 {
250 /* N total active purges */
251 varnish_submit_derive (conf->instance, "purge", "total_operations", "total", stats->n_purge);
252 /* N new purges added */
253 varnish_submit_derive (conf->instance, "purge", "total_operations", "added", stats->n_purge_add);
254 /* N old purges deleted */
255 varnish_submit_derive (conf->instance, "purge", "total_operations", "deleted", stats->n_purge_retire);
256 /* N objects tested */
257 varnish_submit_derive (conf->instance, "purge", "total_operations", "objects_tested", stats->n_purge_obj_test);
258 /* N regexps tested against */
259 varnish_submit_derive (conf->instance, "purge", "total_operations", "regexps_tested", stats->n_purge_re_test);
260 /* N duplicate purges removed */
261 varnish_submit_derive (conf->instance, "purge", "total_operations", "duplicate", stats->n_purge_dups);
262 }
264 if (conf->collect_session)
265 {
266 /* Session Closed */
267 varnish_submit_derive (conf->instance, "session", "total_operations", "closed", stats->sess_closed);
268 /* Session Pipeline */
269 varnish_submit_derive (conf->instance, "session", "total_operations", "pipeline", stats->sess_pipeline);
270 /* Session Read Ahead */
271 varnish_submit_derive (conf->instance, "session", "total_operations", "readahead", stats->sess_readahead);
272 /* Session Linger */
273 varnish_submit_derive (conf->instance, "session", "total_operations", "linger", stats->sess_linger);
274 /* Session herd */
275 varnish_submit_derive (conf->instance, "session", "total_operations", "herd", stats->sess_herd);
276 }
278 if (conf->collect_shm)
279 {
280 /* SHM records */
281 varnish_submit_derive (conf->instance, "shm", "total_operations", "records" , stats->shm_records);
282 /* SHM writes */
283 varnish_submit_derive (conf->instance, "shm", "total_operations", "writes" , stats->shm_writes);
284 /* SHM flushes due to overflow */
285 varnish_submit_derive (conf->instance, "shm", "total_operations", "flushes" , stats->shm_flushes);
286 /* SHM MTX contention */
287 varnish_submit_derive (conf->instance, "shm", "total_operations", "contention", stats->shm_cont);
288 /* SHM cycles through buffer */
289 varnish_submit_derive (conf->instance, "shm", "total_operations", "cycles" , stats->shm_cycles);
290 }
292 if (conf->collect_sm)
293 {
294 /* allocator requests */
295 varnish_submit_derive (conf->instance, "sm", "total_requests", "nreq", stats->sm_nreq);
296 /* outstanding allocations */
297 varnish_submit_gauge (conf->instance, "sm", "requests", "outstanding", stats->sm_nobj);
298 /* bytes allocated */
299 varnish_submit_derive (conf->instance, "sm", "total_bytes", "allocated", stats->sm_balloc);
300 /* bytes free */
301 varnish_submit_derive (conf->instance, "sm", "total_bytes", "free", stats->sm_bfree);
302 }
304 if (conf->collect_sma)
305 {
306 /* SMA allocator requests */
307 varnish_submit_derive (conf->instance, "sma", "total_requests", "nreq", stats->sma_nreq);
308 /* SMA outstanding allocations */
309 varnish_submit_gauge (conf->instance, "sma", "requests", "outstanding", stats->sma_nobj);
310 /* SMA outstanding bytes */
311 varnish_submit_gauge (conf->instance, "sma", "bytes", "outstanding", stats->sma_nbytes);
312 /* SMA bytes allocated */
313 varnish_submit_derive (conf->instance, "sma", "total_bytes", "allocated", stats->sma_balloc);
314 /* SMA bytes free */
315 varnish_submit_derive (conf->instance, "sma", "total_bytes", "free" , stats->sma_bfree);
316 }
318 if (conf->collect_sms)
319 {
320 /* SMS allocator requests */
321 varnish_submit_derive (conf->instance, "sms", "total_requests", "allocator", stats->sms_nreq);
322 /* SMS outstanding allocations */
323 varnish_submit_gauge (conf->instance, "sms", "requests", "outstanding", stats->sms_nobj);
324 /* SMS outstanding bytes */
325 varnish_submit_gauge (conf->instance, "sms", "bytes", "outstanding", stats->sms_nbytes);
326 /* SMS bytes allocated */
327 varnish_submit_derive (conf->instance, "sms", "total_bytes", "allocated", stats->sms_balloc);
328 /* SMS bytes freed */
329 varnish_submit_derive (conf->instance, "sms", "total_bytes", "free", stats->sms_bfree);
330 }
332 if (conf->collect_struct)
333 {
334 /* N struct sess_mem */
335 varnish_submit_gauge (conf->instance, "struct", "current_sessions", "sess_mem", stats->n_sess_mem);
336 /* N struct sess */
337 varnish_submit_gauge (conf->instance, "struct", "current_sessions", "sess", stats->n_sess);
338 /* N struct object */
339 varnish_submit_gauge (conf->instance, "struct", "objects", "object", stats->n_object);
340 /* N struct objecthead */
341 varnish_submit_gauge (conf->instance, "struct", "objects", "objecthead", stats->n_objecthead);
342 /* N struct smf */
343 varnish_submit_gauge (conf->instance, "struct", "objects", "smf", stats->n_smf);
344 /* N small free smf */
345 varnish_submit_gauge (conf->instance, "struct", "objects", "smf_frag", stats->n_smf_frag);
346 /* N large free smf */
347 varnish_submit_gauge (conf->instance, "struct", "objects", "smf_large", stats->n_smf_large);
348 /* N struct vbe_conn */
349 varnish_submit_gauge (conf->instance, "struct", "objects", "vbe_conn", stats->n_vbe_conn);
350 }
352 if (conf->collect_totals)
353 {
354 /* Total Sessions */
355 varnish_submit_derive (conf->instance, "totals", "total_sessions", "sessions", stats->s_sess);
356 /* Total Requests */
357 varnish_submit_derive (conf->instance, "totals", "total_requests", "requests", stats->s_req);
358 /* Total pipe */
359 varnish_submit_derive (conf->instance, "totals", "total_operations", "pipe", stats->s_pipe);
360 /* Total pass */
361 varnish_submit_derive (conf->instance, "totals", "total_operations", "pass", stats->s_pass);
362 /* Total fetch */
363 varnish_submit_derive (conf->instance, "totals", "total_operations", "fetches", stats->s_fetch);
364 /* Total header bytes */
365 varnish_submit_derive (conf->instance, "totals", "total_bytes", "header-bytes", stats->s_hdrbytes);
366 /* Total body byte */
367 varnish_submit_derive (conf->instance, "totals", "total_bytes", "body-bytes", stats->s_bodybytes);
368 }
370 if (conf->collect_vcl)
371 {
372 /* N vcl total */
373 varnish_submit_gauge (conf->instance, "vcl", "vcl", "total_vcl", stats->n_vcl);
374 /* N vcl available */
375 varnish_submit_gauge (conf->instance, "vcl", "vcl", "avail_vcl", stats->n_vcl_avail);
376 /* N vcl discarded */
377 varnish_submit_gauge (conf->instance, "vcl", "vcl", "discarded_vcl", stats->n_vcl_discard);
378 }
380 if (conf->collect_workers)
381 {
382 /* worker threads */
383 varnish_submit_gauge (conf->instance, "workers", "threads", "worker", stats->n_wrk);
384 /* worker threads created */
385 varnish_submit_derive (conf->instance, "workers", "total_threads", "created", stats->n_wrk_create);
386 /* worker threads not created */
387 varnish_submit_derive (conf->instance, "workers", "total_threads", "failed", stats->n_wrk_failed);
388 /* worker threads limited */
389 varnish_submit_derive (conf->instance, "workers", "total_threads", "limited", stats->n_wrk_max);
390 /* dropped work requests */
391 varnish_submit_derive (conf->instance, "workers", "total_threads", "dropped", stats->n_wrk_drop);
392 /* queued work requests */
393 varnish_submit_derive (conf->instance, "workers", "total_requests", "queued", stats->n_wrk_queue);
394 /* overflowed work requests */
395 varnish_submit_derive (conf->instance, "workers", "total_requests", "overflowed", stats->n_wrk_overflow);
396 }
398 } /* }}} void varnish_monitor */
399 #endif
401 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
402 static int varnish_read (user_data_t *ud) /* {{{ */
403 {
404 struct VSM_data *vd;
405 const c_varnish_stats_t *stats;
407 user_config_t *conf;
409 if ((ud == NULL) || (ud->data == NULL))
410 return (EINVAL);
412 conf = ud->data;
414 vd = VSM_New();
415 #if HAVE_VARNISH_V3
416 VSC_Setup(vd);
417 #endif
419 if (conf->instance != NULL)
420 {
421 int status;
423 status = VSM_n_Arg (vd, conf->instance);
424 if (status < 0)
425 {
426 VSM_Delete (vd);
427 ERROR ("varnish plugin: VSM_n_Arg (\"%s\") failed "
428 "with status %i.",
429 conf->instance, status);
430 return (-1);
431 }
432 }
434 #if HAVE_VARNISH_V3
435 if (VSC_Open (vd, /* diag = */ 1))
436 #else /* if HAVE_VARNISH_V4 */
437 if (VSM_Open (vd))
438 #endif
439 {
440 VSM_Delete (vd);
441 ERROR ("varnish plugin: Unable to open connection.");
443 return (-1);
444 }
446 #if HAVE_VARNISH_V3
447 stats = VSC_Main(vd);
448 #else /* if HAVE_VARNISH_V4 */
449 stats = VSC_Main(vd, NULL);
450 #endif
451 if (!stats)
452 {
453 VSM_Delete (vd);
454 ERROR ("varnish plugin: Unable to get statistics.");
456 return (-1);
457 }
460 varnish_monitor (conf, stats);
461 VSM_Delete (vd);
463 return (0);
464 } /* }}} */
465 #else /* if HAVE_VARNISH_V2 */
466 static int varnish_read (user_data_t *ud) /* {{{ */
467 {
468 const c_varnish_stats_t *stats;
470 user_config_t *conf;
472 if ((ud == NULL) || (ud->data == NULL))
473 return (EINVAL);
475 conf = ud->data;
477 stats = VSL_OpenStats (conf->instance);
478 if (stats == NULL)
479 {
480 ERROR ("Varnish plugin : unable to load statistics");
482 return (-1);
483 }
485 varnish_monitor (conf, stats);
487 return (0);
488 } /* }}} */
489 #endif
491 static void varnish_config_free (void *ptr) /* {{{ */
492 {
493 user_config_t *conf = ptr;
495 if (conf == NULL)
496 return;
498 sfree (conf->instance);
499 sfree (conf);
500 } /* }}} */
502 static int varnish_config_apply_default (user_config_t *conf) /* {{{ */
503 {
504 if (conf == NULL)
505 return (EINVAL);
507 conf->collect_backend = 1;
508 conf->collect_cache = 1;
509 conf->collect_connections = 1;
510 #ifdef HAVE_VARNISH_V3
511 conf->collect_dirdns = 0;
512 #endif
513 conf->collect_esi = 0;
514 conf->collect_fetch = 0;
515 conf->collect_hcb = 0;
516 conf->collect_objects = 0;
517 #if HAVE_VARNISH_V2
518 conf->collect_purge = 0;
519 #else
520 conf->collect_ban = 0;
521 #endif
522 conf->collect_session = 0;
523 conf->collect_shm = 1;
524 #if HAVE_VARNISH_V2
525 conf->collect_sm = 0;
526 conf->collect_sma = 0;
527 #endif
528 conf->collect_sms = 0;
529 conf->collect_struct = 0;
530 conf->collect_totals = 0;
531 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
532 conf->collect_uptime = 0;
533 #endif
534 conf->collect_vcl = 0;
535 conf->collect_workers = 0;
536 #if HAVE_VARNISH_V4
537 conf->collect_vsm = 0;
538 #endif
540 return (0);
541 } /* }}} int varnish_config_apply_default */
543 static int varnish_init (void) /* {{{ */
544 {
545 user_config_t *conf;
546 user_data_t ud;
548 if (have_instance)
549 return (0);
551 conf = malloc (sizeof (*conf));
552 if (conf == NULL)
553 return (ENOMEM);
554 memset (conf, 0, sizeof (*conf));
556 /* Default settings: */
557 conf->instance = NULL;
559 varnish_config_apply_default (conf);
561 ud.data = conf;
562 ud.free_func = varnish_config_free;
564 plugin_register_complex_read (/* group = */ "varnish",
565 /* name = */ "varnish/localhost",
566 /* callback = */ varnish_read,
567 /* interval = */ NULL,
568 /* user data = */ &ud);
570 return (0);
571 } /* }}} int varnish_init */
573 static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
574 {
575 user_config_t *conf;
576 user_data_t ud;
577 char callback_name[DATA_MAX_NAME_LEN];
578 int i;
580 conf = malloc (sizeof (*conf));
581 if (conf == NULL)
582 return (ENOMEM);
583 memset (conf, 0, sizeof (*conf));
584 conf->instance = NULL;
586 varnish_config_apply_default (conf);
588 if (ci->values_num == 1)
589 {
590 int status;
592 status = cf_util_get_string (ci, &conf->instance);
593 if (status != 0)
594 {
595 sfree (conf);
596 return (status);
597 }
598 assert (conf->instance != NULL);
600 if (strcmp ("localhost", conf->instance) == 0)
601 {
602 sfree (conf->instance);
603 conf->instance = NULL;
604 }
605 }
606 else if (ci->values_num > 1)
607 {
608 WARNING ("Varnish plugin: \"Instance\" blocks accept only "
609 "one argument.");
610 return (EINVAL);
611 }
613 for (i = 0; i < ci->children_num; i++)
614 {
615 oconfig_item_t *child = ci->children + i;
617 if (strcasecmp ("CollectCache", child->key) == 0)
618 cf_util_get_boolean (child, &conf->collect_cache);
619 else if (strcasecmp ("CollectConnections", child->key) == 0)
620 cf_util_get_boolean (child, &conf->collect_connections);
621 else if (strcasecmp ("CollectESI", child->key) == 0)
622 cf_util_get_boolean (child, &conf->collect_esi);
623 #ifdef HAVE_VARNISH_V3
624 else if (strcasecmp ("CollectDirectorDNS", child->key) == 0)
625 cf_util_get_boolean (child, &conf->collect_dirdns);
626 #endif
627 else if (strcasecmp ("CollectBackend", child->key) == 0)
628 cf_util_get_boolean (child, &conf->collect_backend);
629 else if (strcasecmp ("CollectFetch", child->key) == 0)
630 cf_util_get_boolean (child, &conf->collect_fetch);
631 else if (strcasecmp ("CollectHCB", child->key) == 0)
632 cf_util_get_boolean (child, &conf->collect_hcb);
633 else if (strcasecmp ("CollectObjects", child->key) == 0)
634 cf_util_get_boolean (child, &conf->collect_objects);
635 #if HAVE_VARNISH_V2
636 else if (strcasecmp ("CollectPurge", child->key) == 0)
637 cf_util_get_boolean (child, &conf->collect_purge);
638 #else
639 else if (strcasecmp ("CollectBan", child->key) == 0)
640 cf_util_get_boolean (child, &conf->collect_ban);
641 #endif
642 else if (strcasecmp ("CollectSession", child->key) == 0)
643 cf_util_get_boolean (child, &conf->collect_session);
644 else if (strcasecmp ("CollectSHM", child->key) == 0)
645 cf_util_get_boolean (child, &conf->collect_shm);
646 else if (strcasecmp ("CollectSMS", child->key) == 0)
647 cf_util_get_boolean (child, &conf->collect_sms);
648 #if HAVE_VARNISH_V2
649 else if (strcasecmp ("CollectSMA", child->key) == 0)
650 cf_util_get_boolean (child, &conf->collect_sma);
651 else if (strcasecmp ("CollectSM", child->key) == 0)
652 cf_util_get_boolean (child, &conf->collect_sm);
653 #endif
654 else if (strcasecmp ("CollectStruct", child->key) == 0)
655 cf_util_get_boolean (child, &conf->collect_struct);
656 else if (strcasecmp ("CollectTotals", child->key) == 0)
657 cf_util_get_boolean (child, &conf->collect_totals);
658 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
659 else if (strcasecmp ("CollectUptime", child->key) == 0)
660 cf_util_get_boolean (child, &conf->collect_uptime);
661 #endif
662 else if (strcasecmp ("CollectVCL", child->key) == 0)
663 cf_util_get_boolean (child, &conf->collect_vcl);
664 else if (strcasecmp ("CollectWorkers", child->key) == 0)
665 cf_util_get_boolean (child, &conf->collect_workers);
666 #if HAVE_VARNISH_V4
667 else if (strcasecmp ("CollectVSM", child->key) == 0)
668 cf_util_get_boolean (child, &conf->collect_vsm);
669 #endif
670 else
671 {
672 WARNING ("Varnish plugin: Ignoring unknown "
673 "configuration option: \"%s\". Did "
674 "you forget to add an <Instance /> "
675 "block around the configuration?",
676 child->key);
677 }
678 }
680 if (!conf->collect_cache
681 && !conf->collect_connections
682 && !conf->collect_esi
683 && !conf->collect_backend
684 #ifdef HAVE_VARNISH_V3
685 && !conf->collect_dirdns
686 #endif
687 && !conf->collect_fetch
688 && !conf->collect_hcb
689 && !conf->collect_objects
690 #if HAVE_VARNISH_V2
691 && !conf->collect_purge
692 #else
693 && !conf->collect_ban
694 #endif
695 && !conf->collect_session
696 && !conf->collect_shm
697 && !conf->collect_sms
698 #if HAVE_VARNISH_V2
699 && !conf->collect_sma
700 && !conf->collect_sm
701 #endif
702 && !conf->collect_struct
703 && !conf->collect_totals
704 #if HAVE_VARNISH_V3 || HAVE_VARNISH_V4
705 && !conf->collect_uptime
706 #endif
707 && !conf->collect_vcl
708 && !conf->collect_workers
709 #if HAVE_VARNISH_V4
710 && !conf->collect_vsm
711 #endif
712 )
713 {
714 WARNING ("Varnish plugin: No metric has been configured for "
715 "instance \"%s\". Disabling this instance.",
716 (conf->instance == NULL) ? "localhost" : conf->instance);
717 return (EINVAL);
718 }
720 ssnprintf (callback_name, sizeof (callback_name), "varnish/%s",
721 (conf->instance == NULL) ? "localhost" : conf->instance);
723 ud.data = conf;
724 ud.free_func = varnish_config_free;
726 plugin_register_complex_read (/* group = */ "varnish",
727 /* name = */ callback_name,
728 /* callback = */ varnish_read,
729 /* interval = */ NULL,
730 /* user data = */ &ud);
732 have_instance = 1;
734 return (0);
735 } /* }}} int varnish_config_instance */
737 static int varnish_config (oconfig_item_t *ci) /* {{{ */
738 {
739 int i;
741 for (i = 0; i < ci->children_num; i++)
742 {
743 oconfig_item_t *child = ci->children + i;
745 if (strcasecmp ("Instance", child->key) == 0)
746 varnish_config_instance (child);
747 else
748 {
749 WARNING ("Varnish plugin: Ignoring unknown "
750 "configuration option: \"%s\"",
751 child->key);
752 }
753 }
755 return (0);
756 } /* }}} int varnish_config */
758 void module_register (void) /* {{{ */
759 {
760 plugin_register_complex_config ("varnish", varnish_config);
761 plugin_register_init ("varnish", varnish_init);
762 } /* }}} */
764 /* vim: set sw=8 noet fdm=marker : */