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git01.mediatek.com / haproxy / 9bdd7bc63d94501e649bc0f5c0c3d4a4288004cc / . / contrib / prometheus-exporter / service-prometheus.c
blob: d61d94f14ef0fff2793b3ff04d0c37de2b17de1f [file] [log] [blame]
Christopher Fauletf959d082019-02-07 15:38:42 +0100[diff] [blame]1/*
2 * Promex is a Prometheus exporter for HAProxy
3 *
4 * It is highly inspired by the official Prometheus exporter.
5 * See: https://github.com/prometheus/haproxy_exporter
6 *
7 * Copyright 2019 Christopher Faulet <cfaulet@haproxy.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 *
14 */
15
16#include <common/cfgparse.h>
17#include <common/config.h>
18#include <common/buffer.h>
19#include <common/htx.h>
20#include <common/initcall.h>
21#include <common/memory.h>
22#include <common/mini-clist.h>
23
24#include <types/global.h>
25
26#include <proto/action.h>
27#include <proto/applet.h>
28#include <proto/backend.h>
29#include <proto/compression.h>
30#include <proto/frontend.h>
31#include <proto/listener.h>
32#include <proto/http_htx.h>
33#include <proto/pipe.h>
34#include <proto/proxy.h>
35#include <proto/sample.h>
36#include <proto/server.h>
37#include <proto/ssl_sock.h>
38#include <proto/stats.h>
39#include <proto/stream.h>
40#include <proto/stream_interface.h>
41#include <proto/task.h>
42
43/* Prometheus exporter applet states (appctx->st0) */
44enum {
45 PROMEX_ST_INIT = 0, /* initialized */
46 PROMEX_ST_HEAD, /* send headers before dump */
47 PROMEX_ST_DUMP, /* dumping stats */
48 PROMEX_ST_DONE, /* finished */
49 PROMEX_ST_ERROR, /* unrecoverable error occurred */
50};
51
52/* Prometheus exporter dumper states (appctx->st1) */
53enum {
54 PROMEX_DUMPER_INIT = 0, /* initialized */
55 PROMEX_DUMPER_GLOBAL, /* dump metrics of globals */
56 PROMEX_DUMPER_FRONT, /* dump metrics of frontend proxies */
57 PROMEX_DUMPER_BACK, /* dump metrics of backend proxies */
58 PROMEX_DUMPER_LI, /* dump metrics of listeners */
59 PROMEX_DUMPER_SRV, /* dump metrics of servers */
60 PROMEX_DUMPER_DONE, /* finished */
61};
62
63/* Prometheus exporter flags (appctx->ctx.stats.flags) */
64#define PROMEX_FL_METRIC_HDR 0x00000001
65#define PROMEX_FL_INFO_METRIC 0x00000002
66#define PROMEX_FL_STATS_METRIC 0x00000004
67
68/* The max length for metrics name. It is a hard limit but it should be
69 * enougth.
70 */
71#define PROMEX_MAX_NAME_LEN 128
72
73/* The expected max length for a metric dump, including its header lines. It is
74 * just a soft limit to avoid extra work. We don't try to dump a metric if less
75 * than this size is available in the HTX.
76 */
77#define PROMEX_MAX_METRIC_LENGTH 512
78
79/* Matrix used to dump global metrics. Each metric points to the next one to be
80 * processed or 0 to stop the dump. */
81const int promex_global_metrics[INF_TOTAL_FIELDS] = {
82 [INF_NAME] = INF_NBTHREAD,
83 [INF_VERSION] = 0,
84 [INF_RELEASE_DATE] = 0,
85 [INF_NBTHREAD] = INF_NBPROC,
86 [INF_NBPROC] = INF_PROCESS_NUM,
87 [INF_PROCESS_NUM] = INF_UPTIME_SEC,
88 [INF_PID] = 0,
89 [INF_UPTIME] = 0,
90 [INF_UPTIME_SEC] = INF_MEMMAX_MB,
91 [INF_MEMMAX_MB] = INF_POOL_ALLOC_MB,
92 [INF_POOL_ALLOC_MB] = INF_POOL_USED_MB,
93 [INF_POOL_USED_MB] = INF_POOL_FAILED,
94 [INF_POOL_FAILED] = INF_ULIMIT_N,
95 [INF_ULIMIT_N] = INF_MAXSOCK,
96 [INF_MAXSOCK] = INF_MAXCONN,
97 [INF_MAXCONN] = INF_HARD_MAXCONN,
98 [INF_HARD_MAXCONN] = INF_CURR_CONN,
99 [INF_CURR_CONN] = INF_CUM_CONN,
100 [INF_CUM_CONN] = INF_CUM_REQ,
101 [INF_CUM_REQ] = INF_MAX_SSL_CONNS,
102 [INF_MAX_SSL_CONNS] = INF_CURR_SSL_CONNS,
103 [INF_CURR_SSL_CONNS] = INF_CUM_SSL_CONNS,
104 [INF_CUM_SSL_CONNS] = INF_MAXPIPES,
105 [INF_MAXPIPES] = INF_PIPES_USED,
106 [INF_PIPES_USED] = INF_PIPES_FREE,
107 [INF_PIPES_FREE] = INF_CONN_RATE,
108 [INF_CONN_RATE] = INF_CONN_RATE_LIMIT,
109 [INF_CONN_RATE_LIMIT] = INF_MAX_CONN_RATE,
110 [INF_MAX_CONN_RATE] = INF_SESS_RATE,
111 [INF_SESS_RATE] = INF_SESS_RATE_LIMIT,
112 [INF_SESS_RATE_LIMIT] = INF_MAX_SESS_RATE,
113 [INF_MAX_SESS_RATE] = INF_SSL_RATE,
114 [INF_SSL_RATE] = INF_SSL_RATE_LIMIT,
115 [INF_SSL_RATE_LIMIT] = INF_MAX_SSL_RATE,
116 [INF_MAX_SSL_RATE] = INF_SSL_FRONTEND_KEY_RATE,
117 [INF_SSL_FRONTEND_KEY_RATE] = INF_SSL_FRONTEND_MAX_KEY_RATE,
118 [INF_SSL_FRONTEND_MAX_KEY_RATE] = INF_SSL_FRONTEND_SESSION_REUSE_PCT,
119 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = INF_SSL_BACKEND_KEY_RATE,
120 [INF_SSL_BACKEND_KEY_RATE] = INF_SSL_BACKEND_MAX_KEY_RATE,
121 [INF_SSL_BACKEND_MAX_KEY_RATE] = INF_SSL_CACHE_LOOKUPS,
122 [INF_SSL_CACHE_LOOKUPS] = INF_SSL_CACHE_MISSES,
123 [INF_SSL_CACHE_MISSES] = INF_COMPRESS_BPS_IN,
124 [INF_COMPRESS_BPS_IN] = INF_COMPRESS_BPS_OUT,
125 [INF_COMPRESS_BPS_OUT] = INF_COMPRESS_BPS_RATE_LIM,
126 [INF_COMPRESS_BPS_RATE_LIM] = INF_ZLIB_MEM_USAGE,
127 [INF_ZLIB_MEM_USAGE] = INF_MAX_ZLIB_MEM_USAGE,
128 [INF_MAX_ZLIB_MEM_USAGE] = INF_TASKS,
129 [INF_TASKS] = INF_RUN_QUEUE,
130 [INF_RUN_QUEUE] = INF_IDLE_PCT,
131 [INF_IDLE_PCT] = INF_STOPPING,
132 [INF_NODE] = 0,
133 [INF_DESCRIPTION] = 0,
134 [INF_STOPPING] = INF_JOBS,
135 [INF_JOBS] = INF_UNSTOPPABLE_JOBS,
136 [INF_UNSTOPPABLE_JOBS] = INF_LISTENERS,
137 [INF_LISTENERS] = INF_ACTIVE_PEERS,
138 [INF_ACTIVE_PEERS] = INF_CONNECTED_PEERS,
139 [INF_CONNECTED_PEERS] = INF_DROPPED_LOGS,
140 [INF_DROPPED_LOGS] = INF_BUSY_POLLING,
141 [INF_BUSY_POLLING] = 0,
142};
143
144/* Matrix used to dump frontend metrics. Each metric points to the next one to be
145 * processed or 0 to stop the dump. */
146const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
147 [ST_F_PXNAME] = ST_F_STATUS,
148 [ST_F_SVNAME] = 0,
149 [ST_F_QCUR] = 0,
150 [ST_F_QMAX] = 0,
151 [ST_F_SCUR] = ST_F_SMAX,
152 [ST_F_SMAX] = ST_F_SLIM,
153 [ST_F_SLIM] = ST_F_STOT,
154 [ST_F_STOT] = ST_F_RATE,
155 [ST_F_BIN] = ST_F_BOUT,
156 [ST_F_BOUT] = ST_F_DREQ,
157 [ST_F_DREQ] = ST_F_DRESP,
158 [ST_F_DRESP] = ST_F_EREQ,
159 [ST_F_EREQ] = ST_F_DCON,
160 [ST_F_ECON] = 0,
161 [ST_F_ERESP] = 0,
162 [ST_F_WRETR] = 0,
163 [ST_F_WREDIS] = 0,
164 [ST_F_STATUS] = ST_F_SCUR,
165 [ST_F_WEIGHT] = 0,
166 [ST_F_ACT] = 0,
167 [ST_F_BCK] = 0,
168 [ST_F_CHKFAIL] = 0,
169 [ST_F_CHKDOWN] = 0,
170 [ST_F_LASTCHG] = 0,
171 [ST_F_DOWNTIME] = 0,
172 [ST_F_QLIMIT] = 0,
173 [ST_F_PID] = 0,
174 [ST_F_IID] = 0,
175 [ST_F_SID] = 0,
176 [ST_F_THROTTLE] = 0,
177 [ST_F_LBTOT] = 0,
178 [ST_F_TRACKED] = 0,
179 [ST_F_TYPE] = 0,
180 [ST_F_RATE] = ST_F_RATE_LIM,
181 [ST_F_RATE_LIM] = ST_F_RATE_MAX,
182 [ST_F_RATE_MAX] = ST_F_CONN_RATE,
183 [ST_F_CHECK_STATUS] = 0,
184 [ST_F_CHECK_CODE] = 0,
185 [ST_F_CHECK_DURATION] = 0,
186 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
187 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
188 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
189 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
190 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
191 [ST_F_HRSP_OTHER] = ST_F_INTERCEPTED,
192 [ST_F_HANAFAIL] = 0,
193 [ST_F_REQ_RATE] = ST_F_REQ_RATE_MAX,
194 [ST_F_REQ_RATE_MAX] = ST_F_REQ_TOT,
195 [ST_F_REQ_TOT] = ST_F_HRSP_1XX,
196 [ST_F_CLI_ABRT] = 0,
197 [ST_F_SRV_ABRT] = 0,
198 [ST_F_COMP_IN] = ST_F_COMP_OUT,
199 [ST_F_COMP_OUT] = ST_F_COMP_BYP,
200 [ST_F_COMP_BYP] = ST_F_COMP_RSP,
201 [ST_F_COMP_RSP] = 0,
202 [ST_F_LASTSESS] = 0,
203 [ST_F_LAST_CHK] = 0,
204 [ST_F_LAST_AGT] = 0,
205 [ST_F_QTIME] = 0,
206 [ST_F_CTIME] = 0,
207 [ST_F_RTIME] = 0,
208 [ST_F_TTIME] = 0,
209 [ST_F_AGENT_STATUS] = 0,
210 [ST_F_AGENT_CODE] = 0,
211 [ST_F_AGENT_DURATION] = 0,
212 [ST_F_CHECK_DESC] = 0,
213 [ST_F_AGENT_DESC] = 0,
214 [ST_F_CHECK_RISE] = 0,
215 [ST_F_CHECK_FALL] = 0,
216 [ST_F_CHECK_HEALTH] = 0,
217 [ST_F_AGENT_RISE] = 0,
218 [ST_F_AGENT_FALL] = 0,
219 [ST_F_AGENT_HEALTH] = 0,
220 [ST_F_ADDR] = 0,
221 [ST_F_COOKIE] = 0,
222 [ST_F_MODE] = 0,
223 [ST_F_ALGO] = 0,
224 [ST_F_CONN_RATE] = ST_F_CONN_RATE_MAX,
225 [ST_F_CONN_RATE_MAX] = ST_F_CONN_TOT,
226 [ST_F_CONN_TOT] = ST_F_BIN,
227 [ST_F_INTERCEPTED] = ST_F_CACHE_LOOKUPS,
228 [ST_F_DCON] = ST_F_DSES,
229 [ST_F_DSES] = ST_F_WREW,
230 [ST_F_WREW] = ST_F_REQ_RATE,
231 [ST_F_CONNECT] = 0,
232 [ST_F_REUSE] = 0,
233 [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS,
234 [ST_F_CACHE_HITS] = ST_F_COMP_IN,
235};
236
237/* Matrix used to dump backend metrics. Each metric points to the next one to be
238 * processed or 0 to stop the dump. */
239const int promex_back_metrics[ST_F_TOTAL_FIELDS] = {
240 [ST_F_PXNAME] = ST_F_STATUS,
241 [ST_F_SVNAME] = 0,
242 [ST_F_QCUR] = ST_F_QMAX,
243 [ST_F_QMAX] = ST_F_CONNECT,
244 [ST_F_SCUR] = ST_F_SMAX,
245 [ST_F_SMAX] = ST_F_SLIM,
246 [ST_F_SLIM] = ST_F_STOT,
247 [ST_F_STOT] = ST_F_RATE,
248 [ST_F_BIN] = ST_F_BOUT,
249 [ST_F_BOUT] = ST_F_QTIME,
250 [ST_F_DREQ] = ST_F_DRESP,
251 [ST_F_DRESP] = ST_F_ECON,
252 [ST_F_EREQ] = 0,
253 [ST_F_ECON] = ST_F_ERESP,
254 [ST_F_ERESP] = ST_F_WRETR,
255 [ST_F_WRETR] = ST_F_WREDIS,
256 [ST_F_WREDIS] = ST_F_WREW,
257 [ST_F_STATUS] = ST_F_SCUR,
258 [ST_F_WEIGHT] = ST_F_ACT,
259 [ST_F_ACT] = ST_F_BCK,
260 [ST_F_BCK] = ST_F_CHKDOWN,
261 [ST_F_CHKFAIL] = 0,
262 [ST_F_CHKDOWN] = ST_F_LASTCHG,
263 [ST_F_LASTCHG] = ST_F_DOWNTIME,
264 [ST_F_DOWNTIME] = ST_F_LBTOT,
265 [ST_F_QLIMIT] = 0,
266 [ST_F_PID] = 0,
267 [ST_F_IID] = 0,
268 [ST_F_SID] = 0,
269 [ST_F_THROTTLE] = 0,
270 [ST_F_LBTOT] = ST_F_REQ_TOT,
271 [ST_F_TRACKED] = 9,
272 [ST_F_TYPE] = 0,
273 [ST_F_RATE] = ST_F_RATE_MAX,
274 [ST_F_RATE_LIM] = 0,
275 [ST_F_RATE_MAX] = ST_F_LASTSESS,
276 [ST_F_CHECK_STATUS] = 0,
277 [ST_F_CHECK_CODE] = 0,
278 [ST_F_CHECK_DURATION] = 0,
279 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
280 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
281 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
282 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
283 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
284 [ST_F_HRSP_OTHER] = ST_F_CACHE_LOOKUPS,
285 [ST_F_HANAFAIL] = 0,
286 [ST_F_REQ_RATE] = 0,
287 [ST_F_REQ_RATE_MAX] = 0,
288 [ST_F_REQ_TOT] = ST_F_HRSP_1XX,
289 [ST_F_CLI_ABRT] = ST_F_SRV_ABRT,
290 [ST_F_SRV_ABRT] = ST_F_WEIGHT,
291 [ST_F_COMP_IN] = ST_F_COMP_OUT,
292 [ST_F_COMP_OUT] = ST_F_COMP_BYP,
293 [ST_F_COMP_BYP] = ST_F_COMP_RSP,
294 [ST_F_COMP_RSP] = 0,
295 [ST_F_LASTSESS] = ST_F_QCUR,
296 [ST_F_LAST_CHK] = 0,
297 [ST_F_LAST_AGT] = 0,
298 [ST_F_QTIME] = ST_F_CTIME,
299 [ST_F_CTIME] = ST_F_RTIME,
300 [ST_F_RTIME] = ST_F_TTIME,
301 [ST_F_TTIME] = ST_F_DREQ,
302 [ST_F_AGENT_STATUS] = 0,
303 [ST_F_AGENT_CODE] = 0,
304 [ST_F_AGENT_DURATION] = 0,
305 [ST_F_CHECK_DESC] = 0,
306 [ST_F_AGENT_DESC] = 0,
307 [ST_F_CHECK_RISE] = 0,
308 [ST_F_CHECK_FALL] = 0,
309 [ST_F_CHECK_HEALTH] = 0,
310 [ST_F_AGENT_RISE] = 0,
311 [ST_F_AGENT_FALL] = 0,
312 [ST_F_AGENT_HEALTH] = 0,
313 [ST_F_ADDR] = 0,
314 [ST_F_COOKIE] = 0,
315 [ST_F_MODE] = 0,
316 [ST_F_ALGO] = 0,
317 [ST_F_CONN_RATE] = 0,
318 [ST_F_CONN_RATE_MAX] = 0,
319 [ST_F_CONN_TOT] = 0,
320 [ST_F_INTERCEPTED] = 0,
321 [ST_F_DCON] = 0,
322 [ST_F_DSES] = 0,
323 [ST_F_WREW] = ST_F_CLI_ABRT,
324 [ST_F_CONNECT] = ST_F_REUSE,
325 [ST_F_REUSE] = ST_F_BIN,
326 [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS,
327 [ST_F_CACHE_HITS] = ST_F_COMP_IN,
328};
329
330/* Matrix used to dump server metrics. Each metric points to the next one to be
331 * processed or 0 to stop the dump. */
332const int promex_srv_metrics[ST_F_TOTAL_FIELDS] = {
333 [ST_F_PXNAME] = ST_F_STATUS,
334 [ST_F_SVNAME] = 0,
335 [ST_F_QCUR] = ST_F_QMAX,
336 [ST_F_QMAX] = ST_F_QLIMIT,
337 [ST_F_SCUR] = ST_F_SMAX,
338 [ST_F_SMAX] = ST_F_SLIM,
339 [ST_F_SLIM] = ST_F_STOT,
340 [ST_F_STOT] = ST_F_RATE,
341 [ST_F_BIN] = ST_F_BOUT,
342 [ST_F_BOUT] = ST_F_QTIME,
343 [ST_F_DREQ] = 0,
344 [ST_F_DRESP] = ST_F_ECON,
345 [ST_F_EREQ] = 0,
346 [ST_F_ECON] = ST_F_ERESP,
347 [ST_F_ERESP] = ST_F_WRETR,
348 [ST_F_WRETR] = ST_F_WREDIS,
349 [ST_F_WREDIS] = ST_F_WREW,
350 [ST_F_STATUS] = ST_F_SCUR,
351 [ST_F_WEIGHT] = ST_F_CHKFAIL,
352 [ST_F_ACT] = 0,
353 [ST_F_BCK] = 0,
354 [ST_F_CHKFAIL] = ST_F_CHKDOWN,
355 [ST_F_CHKDOWN] = ST_F_DOWNTIME,
356 [ST_F_LASTCHG] = ST_F_THROTTLE,
357 [ST_F_DOWNTIME] = ST_F_LASTCHG,
358 [ST_F_QLIMIT] = ST_F_BIN,
359 [ST_F_PID] = 0,
360 [ST_F_IID] = 0,
361 [ST_F_SID] = 0,
362 [ST_F_THROTTLE] = ST_F_LBTOT,
363 [ST_F_LBTOT] = ST_F_HRSP_1XX,
364 [ST_F_TRACKED] = 0,
365 [ST_F_TYPE] = 0,
366 [ST_F_RATE] = ST_F_RATE_MAX,
367 [ST_F_RATE_LIM] = 0,
368 [ST_F_RATE_MAX] = ST_F_LASTSESS,
369 [ST_F_CHECK_STATUS] = 0,
370 [ST_F_CHECK_CODE] = 0,
371 [ST_F_CHECK_DURATION] = 0,
372 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
373 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
374 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
375 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
376 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
377 [ST_F_HRSP_OTHER] = 0,
378 [ST_F_HANAFAIL] = 0,
379 [ST_F_REQ_RATE] = 0,
380 [ST_F_REQ_RATE_MAX] = 0,
381 [ST_F_REQ_TOT] = 0,
382 [ST_F_CLI_ABRT] = ST_F_SRV_ABRT,
383 [ST_F_SRV_ABRT] = ST_F_WEIGHT,
384 [ST_F_COMP_IN] = 0,
385 [ST_F_COMP_OUT] = 0,
386 [ST_F_COMP_BYP] = 0,
387 [ST_F_COMP_RSP] = 0,
388 [ST_F_LASTSESS] = ST_F_QCUR,
389 [ST_F_LAST_CHK] = 0,
390 [ST_F_LAST_AGT] = 0,
391 [ST_F_QTIME] = ST_F_CTIME,
392 [ST_F_CTIME] = ST_F_RTIME,
393 [ST_F_RTIME] = ST_F_TTIME,
394 [ST_F_TTIME] = ST_F_CONNECT,
395 [ST_F_AGENT_STATUS] = 0,
396 [ST_F_AGENT_CODE] = 0,
397 [ST_F_AGENT_DURATION] = 0,
398 [ST_F_CHECK_DESC] = 0,
399 [ST_F_AGENT_DESC] = 0,
400 [ST_F_CHECK_RISE] = 0,
401 [ST_F_CHECK_FALL] = 0,
402 [ST_F_CHECK_HEALTH] = 0,
403 [ST_F_AGENT_RISE] = 0,
404 [ST_F_AGENT_FALL] = 0,
405 [ST_F_AGENT_HEALTH] = 0,
406 [ST_F_ADDR] = 0,
407 [ST_F_COOKIE] = 0,
408 [ST_F_MODE] = 0,
409 [ST_F_ALGO] = 0,
410 [ST_F_CONN_RATE] = 0,
411 [ST_F_CONN_RATE_MAX] = 0,
412 [ST_F_CONN_TOT] = 0,
413 [ST_F_INTERCEPTED] = 0,
414 [ST_F_DCON] = 0,
415 [ST_F_DSES] = 0,
416 [ST_F_WREW] = ST_F_CLI_ABRT,
417 [ST_F_CONNECT] = ST_F_REUSE,
418 [ST_F_REUSE] = ST_F_DRESP,
419 [ST_F_CACHE_LOOKUPS] = 0,
420 [ST_F_CACHE_HITS] = 0,
421};
422
423/* Name of all info fields */
424const struct ist promex_inf_metric_names[INF_TOTAL_FIELDS] = {
425 [INF_NAME] = IST("name"),
426 [INF_VERSION] = IST("version"),
427 [INF_RELEASE_DATE] = IST("release_date"),
428 [INF_NBTHREAD] = IST("nbthread"),
429 [INF_NBPROC] = IST("nbproc"),
430 [INF_PROCESS_NUM] = IST("relative_process_id"),
431 [INF_PID] = IST("pid"),
432 [INF_UPTIME] = IST("uptime"),
433 [INF_UPTIME_SEC] = IST("uptime_seconds"),
434 [INF_MEMMAX_MB] = IST("max_memory"),
435 [INF_POOL_ALLOC_MB] = IST("pool_allocated_total"),
436 [INF_POOL_USED_MB] = IST("pool_used_total"),
437 [INF_POOL_FAILED] = IST("pool_failures_total"),
438 [INF_ULIMIT_N] = IST("max_fds"),
439 [INF_MAXSOCK] = IST("max_sockets"),
440 [INF_MAXCONN] = IST("max_connections"),
441 [INF_HARD_MAXCONN] = IST("hard_max_connections"),
442 [INF_CURR_CONN] = IST("current_connections"),
443 [INF_CUM_CONN] = IST("connections_total"),
444 [INF_CUM_REQ] = IST("requests_total"),
445 [INF_MAX_SSL_CONNS] = IST("max_ssl_connections"),
446 [INF_CURR_SSL_CONNS] = IST("current_ssl_connections"),
447 [INF_CUM_SSL_CONNS] = IST("ssl_connections_total"),
448 [INF_MAXPIPES] = IST("max_pipes"),
449 [INF_PIPES_USED] = IST("pipes_used_total"),
450 [INF_PIPES_FREE] = IST("pipes_free_total"),
451 [INF_CONN_RATE] = IST("current_connection_rate"),
452 [INF_CONN_RATE_LIMIT] = IST("limit_connection_rate"),
453 [INF_MAX_CONN_RATE] = IST("max_connection_rate"),
454 [INF_SESS_RATE] = IST("current_session_rate"),
455 [INF_SESS_RATE_LIMIT] = IST("limit_session_rate"),
456 [INF_MAX_SESS_RATE] = IST("max_session_rate"),
457 [INF_SSL_RATE] = IST("current_ssl_rate"),
458 [INF_SSL_RATE_LIMIT] = IST("limit_ssl_rate"),
459 [INF_MAX_SSL_RATE] = IST("max_ssl_rate"),
460 [INF_SSL_FRONTEND_KEY_RATE] = IST("current_frontend_ssl_key_rate"),
461 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("max_frontend_ssl_key_rate"),
462 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("frontent_ssl_reuse"),
463 [INF_SSL_BACKEND_KEY_RATE] = IST("current_backend_ssl_key_rate"),
464 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("max_backend_ssl_key_rate"),
465 [INF_SSL_CACHE_LOOKUPS] = IST("ssl_cache_lookups"),
466 [INF_SSL_CACHE_MISSES] = IST("ssl_cache_misses"),
467 [INF_COMPRESS_BPS_IN] = IST("http_comp_bytes_in_total"),
468 [INF_COMPRESS_BPS_OUT] = IST("http_comp_bytes_out_total"),
469 [INF_COMPRESS_BPS_RATE_LIM] = IST("limit_http_comp"),
470 [INF_ZLIB_MEM_USAGE] = IST("current_zlib_memory"),
471 [INF_MAX_ZLIB_MEM_USAGE] = IST("max_zlib_memory"),
472 [INF_TASKS] = IST("current_tasks"),
473 [INF_RUN_QUEUE] = IST("current_run_queue"),
474 [INF_IDLE_PCT] = IST("idle_time_percent"),
475 [INF_NODE] = IST("node"),
476 [INF_DESCRIPTION] = IST("description"),
477 [INF_STOPPING] = IST("stopping"),
478 [INF_JOBS] = IST("jobs"),
479 [INF_UNSTOPPABLE_JOBS] = IST("unstoppable_jobs"),
480 [INF_LISTENERS] = IST("listeners"),
481 [INF_ACTIVE_PEERS] = IST("active_peers"),
482 [INF_CONNECTED_PEERS] = IST("connected_peers"),
483 [INF_DROPPED_LOGS] = IST("dropped_logs_total"),
484 [INF_BUSY_POLLING] = IST("busy_polling_enabled"),
485};
486
487/* Name of all stats fields */
488const struct ist promex_st_metric_names[ST_F_TOTAL_FIELDS] = {
489 [ST_F_PXNAME] = IST("proxy_name"),
490 [ST_F_SVNAME] = IST("service_name"),
491 [ST_F_QCUR] = IST("current_queue"),
492 [ST_F_QMAX] = IST("max_queue"),
493 [ST_F_SCUR] = IST("current_sessions"),
494 [ST_F_SMAX] = IST("max_sessions"),
495 [ST_F_SLIM] = IST("limit_sessions"),
496 [ST_F_STOT] = IST("sessions_total"),
497 [ST_F_BIN] = IST("bytes_in_total"),
498 [ST_F_BOUT] = IST("bytes_out_total"),
499 [ST_F_DREQ] = IST("requests_denied_total"),
500 [ST_F_DRESP] = IST("responses_denied_total"),
501 [ST_F_EREQ] = IST("request_errors_total"),
502 [ST_F_ECON] = IST("connection_errors_total"),
503 [ST_F_ERESP] = IST("response_errors_total"),
504 [ST_F_WRETR] = IST("retry_warnings_total"),
505 [ST_F_WREDIS] = IST("redispatch_warnings_total"),
506 [ST_F_STATUS] = IST("status"),
507 [ST_F_WEIGHT] = IST("weight"),
508 [ST_F_ACT] = IST("active_servers"),
509 [ST_F_BCK] = IST("backup_servers"),
510 [ST_F_CHKFAIL] = IST("check_failures_total"),
511 [ST_F_CHKDOWN] = IST("check_up_down_total"),
512 [ST_F_LASTCHG] = IST("check_last_change_seconds"),
513 [ST_F_DOWNTIME] = IST("downtime_seconds_total"),
514 [ST_F_QLIMIT] = IST("queue_limit"),
515 [ST_F_PID] = IST("pid"),
516 [ST_F_IID] = IST("proxy_id"),
517 [ST_F_SID] = IST("server_id"),
518 [ST_F_THROTTLE] = IST("current_throttle"),
519 [ST_F_LBTOT] = IST("loadbalanced_total"),
520 [ST_F_TRACKED] = IST("tracked"),
521 [ST_F_TYPE] = IST("type"),
522 [ST_F_RATE] = IST("current_session_rate"),
523 [ST_F_RATE_LIM] = IST("limit_session_rate"),
524 [ST_F_RATE_MAX] = IST("max_session_rate"),
525 [ST_F_CHECK_STATUS] = IST("check_status"),
526 [ST_F_CHECK_CODE] = IST("check_code"),
527 [ST_F_CHECK_DURATION] = IST("check_duration_milliseconds"),
528 [ST_F_HRSP_1XX] = IST("http_responses_total"),
529 [ST_F_HRSP_2XX] = IST("http_responses_total"),
530 [ST_F_HRSP_3XX] = IST("http_responses_total"),
531 [ST_F_HRSP_4XX] = IST("http_responses_total"),
532 [ST_F_HRSP_5XX] = IST("http_responses_total"),
533 [ST_F_HRSP_OTHER] = IST("http_responses_total"),
534 [ST_F_HANAFAIL] = IST("check_analyses_failures_total"),
535 [ST_F_REQ_RATE] = IST("http_requests_rate_current"),
536 [ST_F_REQ_RATE_MAX] = IST("http_requests_rate_max"),
537 [ST_F_REQ_TOT] = IST("http_requests_total"),
538 [ST_F_CLI_ABRT] = IST("client_aborts_total"),
539 [ST_F_SRV_ABRT] = IST("server_aborts_total"),
540 [ST_F_COMP_IN] = IST("http_comp_bytes_in_total"),
541 [ST_F_COMP_OUT] = IST("http_comp_bytes_out_total"),
542 [ST_F_COMP_BYP] = IST("http_comp_bytes_bypassed_total"),
543 [ST_F_COMP_RSP] = IST("http_comp_responses_total"),
544 [ST_F_LASTSESS] = IST("last_session_seconds"),
545 [ST_F_LAST_CHK] = IST("check_last_content"),
546 [ST_F_LAST_AGT] = IST("agentcheck_last_content"),
547 [ST_F_QTIME] = IST("http_queue_time_average_seconds"),
548 [ST_F_CTIME] = IST("http_connect_time_average_seconds"),
549 [ST_F_RTIME] = IST("http_response_time_average_seconds"),
550 [ST_F_TTIME] = IST("http_total_time_average_seconds"),
551 [ST_F_AGENT_STATUS] = IST("agentcheck_status"),
552 [ST_F_AGENT_CODE] = IST("agentcheck_code"),
553 [ST_F_AGENT_DURATION] = IST("agentcheck_duration_milliseconds"),
554 [ST_F_CHECK_DESC] = IST("check_description"),
555 [ST_F_AGENT_DESC] = IST("agentcheck_description"),
556 [ST_F_CHECK_RISE] = IST("check_rise"),
557 [ST_F_CHECK_FALL] = IST("check_fall"),
558 [ST_F_CHECK_HEALTH] = IST("check_value"),
559 [ST_F_AGENT_RISE] = IST("agentcheck_rise"),
560 [ST_F_AGENT_FALL] = IST("agentcheck_fall"),
561 [ST_F_AGENT_HEALTH] = IST("agentcheck_value"),
562 [ST_F_ADDR] = IST("address"),
563 [ST_F_COOKIE] = IST("cookie"),
564 [ST_F_MODE] = IST("mode"),
565 [ST_F_ALGO] = IST("loadbalance_algorithm"),
566 [ST_F_CONN_RATE] = IST("connections_rate_current"),
567 [ST_F_CONN_RATE_MAX] = IST("connections_rate_max"),
568 [ST_F_CONN_TOT] = IST("connections_total"),
569 [ST_F_INTERCEPTED] = IST("intercepted_requests_total"),
570 [ST_F_DCON] = IST("denied_connections_total"),
571 [ST_F_DSES] = IST("denied_sessions_total"),
572 [ST_F_WREW] = IST("failed_header_rewriting_total"),
573 [ST_F_CONNECT] = IST("connection_attempts_total"),
574 [ST_F_REUSE] = IST("connection_reuses_total"),
575 [ST_F_CACHE_LOOKUPS] = IST("http_cache_lookups_total"),
576 [ST_F_CACHE_HITS] = IST("http_cache_hits_total"),
577};
578
579/* Description of all info fields */
580const struct ist promex_inf_metric_desc[INF_TOTAL_FIELDS] = {
581 [INF_NAME] = IST("Product name."),
582 [INF_VERSION] = IST("HAProxy version."),
583 [INF_RELEASE_DATE] = IST("HAProxy realease date."),
584 [INF_NBTHREAD] = IST("Configured number of threads."),
585 [INF_NBPROC] = IST("Configured number of processes."),
586 [INF_PROCESS_NUM] = IST("Relative process id, starting at 1."),
587 [INF_PID] = IST("HAProxy PID."),
588 [INF_UPTIME] = IST("Uptime in a human readable format."),
589 [INF_UPTIME_SEC] = IST("Uptime in seconds."),
590 [INF_MEMMAX_MB] = IST("Per-process memory limit (in MB); 0=unset."),
591 [INF_POOL_ALLOC_MB] = IST("Total amount of memory allocated in pools (in MB)."),
592 [INF_POOL_USED_MB] = IST("Total amount of memory used in pools (in MB)."),
593 [INF_POOL_FAILED] = IST("Total number of failed pool allocations."),
594 [INF_ULIMIT_N] = IST("Maximum number of open file descriptors; 0=unset."),
595 [INF_MAXSOCK] = IST("Maximum numer of open sockets."),
596 [INF_MAXCONN] = IST("Maximum number of concurrent connections."),
597 [INF_HARD_MAXCONN] = IST("Initial Maximum number of concurrent connections."),
598 [INF_CURR_CONN] = IST("Number of active sessions."),
599 [INF_CUM_CONN] = IST("Total number of terminated sessions."),
600 [INF_CUM_REQ] = IST("Total number of requests (TCP or HTTP)."),
601 [INF_MAX_SSL_CONNS] = IST("Configured maximum number of concurrent SSL connections."),
602 [INF_CURR_SSL_CONNS] = IST("Number of opened SSL connections."),
603 [INF_CUM_SSL_CONNS] = IST("Total number of opened SSL connections."),
604 [INF_MAXPIPES] = IST("Configured maximum number of pipes."),
605 [INF_PIPES_USED] = IST("Number of pipes in used."),
606 [INF_PIPES_FREE] = IST("Number of pipes unused."),
607 [INF_CONN_RATE] = IST("Current number of connections per second over last elapsed second."),
608 [INF_CONN_RATE_LIMIT] = IST("Configured maximum number of connections per second."),
609 [INF_MAX_CONN_RATE] = IST("Maximum observed number of connections per second."),
610 [INF_SESS_RATE] = IST("Current number of sessions per second over last elapsed second."),
611 [INF_SESS_RATE_LIMIT] = IST("Configured maximum number of sessions per second."),
612 [INF_MAX_SESS_RATE] = IST("Maximum observed number of sessions per second."),
613 [INF_SSL_RATE] = IST("Current number of SSL sessions per second over last elapsed second."),
614 [INF_SSL_RATE_LIMIT] = IST("Configured maximum number of SSL sessions per second."),
615 [INF_MAX_SSL_RATE] = IST("Maximum observed number of SSL sessions per second."),
616 [INF_SSL_FRONTEND_KEY_RATE] = IST("Current frontend SSL Key computation per second over last elapsed second."),
617 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("Maximum observed frontend SSL Key computation per second."),
618 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("SSL session reuse ratio (percent)."),
619 [INF_SSL_BACKEND_KEY_RATE] = IST("Current backend SSL Key computation per second over last elapsed second."),
620 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("Maximum observed backend SSL Key computation per second."),
621 [INF_SSL_CACHE_LOOKUPS] = IST("Total number of SSL session cache lookups."),
622 [INF_SSL_CACHE_MISSES] = IST("Total number of SSL session cache misses."),
623 [INF_COMPRESS_BPS_IN] = IST("Number of bytes per second over last elapsed second, before http compression."),
624 [INF_COMPRESS_BPS_OUT] = IST("Number of bytes per second over last elapsed second, after http compression."),
625 [INF_COMPRESS_BPS_RATE_LIM] = IST("Configured maximum input compression rate in bytes."),
626 [INF_ZLIB_MEM_USAGE] = IST("Current memory used for zlib in bytes."),
627 [INF_MAX_ZLIB_MEM_USAGE] = IST("Configured maximum amount of memory for zlib in bytes."),
628 [INF_TASKS] = IST("Current number of tasks."),
629 [INF_RUN_QUEUE] = IST("Current number of tasks in the run-queue."),
630 [INF_IDLE_PCT] = IST("Idle to total ratio over last sample (percent)."),
631 [INF_NODE] = IST("Node name."),
632 [INF_DESCRIPTION] = IST("Node description."),
633 [INF_STOPPING] = IST("Non zero means stopping in progress."),
634 [INF_JOBS] = IST("Current number of active jobs (listeners, sessions, open devices)."),
635 [INF_UNSTOPPABLE_JOBS] = IST("Current number of active jobs that can't be stopped during a soft stop."),
636 [INF_LISTENERS] = IST("Current number of active listeners."),
637 [INF_ACTIVE_PEERS] = IST("Current number of active peers."),
638 [INF_CONNECTED_PEERS] = IST("Current number of connected peers."),
639 [INF_DROPPED_LOGS] = IST("Total number of dropped logs."),
640 [INF_BUSY_POLLING] = IST("Non zero if the busy polling is enabled."),
641};
642
643/* Description of all stats fields */
644const struct ist promex_st_metric_desc[ST_F_TOTAL_FIELDS] = {
645 [ST_F_PXNAME] = IST("The proxy name."),
646 [ST_F_SVNAME] = IST("The service name (FRONTEND for frontend, BACKEND for backend, any name for server/listener)."),
647 [ST_F_QCUR] = IST("Current number of queued requests."),
648 [ST_F_QMAX] = IST("Maximum observed number of queued requests."),
649 [ST_F_SCUR] = IST("Current number of active sessions."),
650 [ST_F_SMAX] = IST("Maximum observed number of active sessions."),
651 [ST_F_SLIM] = IST("Configured session limit."),
652 [ST_F_STOT] = IST("Total number of sessions."),
653 [ST_F_BIN] = IST("Current total of incoming bytes."),
654 [ST_F_BOUT] = IST("Current total of outgoing bytes."),
655 [ST_F_DREQ] = IST("Total number of denied requests."),
656 [ST_F_DRESP] = IST("Total number of denied responses."),
657 [ST_F_EREQ] = IST("Total number of request errors."),
658 [ST_F_ECON] = IST("Total number of connection errors."),
659 [ST_F_ERESP] = IST("Total number of response errors."),
660 [ST_F_WRETR] = IST("Total number of retry warnings."),
661 [ST_F_WREDIS] = IST("Total number of redispatch warnings."),
662 [ST_F_STATUS] = IST("Current status of the service (frontend: 0=STOP, 1=UP, 2=FULL - backend/server: 0=DOWN, 1=UP)."),
663 [ST_F_WEIGHT] = IST("Service weight."),
664 [ST_F_ACT] = IST("Current number of active servers."),
665 [ST_F_BCK] = IST("Current number of backup servers."),
666 [ST_F_CHKFAIL] = IST("Total number of failed check (Only counts checks failed when the server is up)."),
667 [ST_F_CHKDOWN] = IST("Total number of UP->DOWN transitions."),
668 [ST_F_LASTCHG] = IST("Number of seconds since the last UP<->DOWN transition."),
669 [ST_F_DOWNTIME] = IST("Total downtime (in seconds) for the service."),
670 [ST_F_QLIMIT] = IST("Configured maxqueue for the server (0 meaning no limit)."),
671 [ST_F_PID] = IST("Process id (0 for first instance, 1 for second, ...)"),
672 [ST_F_IID] = IST("Unique proxy id."),
673 [ST_F_SID] = IST("Server id (unique inside a proxy)."),
674 [ST_F_THROTTLE] = IST("Current throttle percentage for the server, when slowstart is active, or no value if not in slowstart."),
675 [ST_F_LBTOT] = IST("Total number of times a service was selected, either for new sessions, or when redispatching."),
676 [ST_F_TRACKED] = IST("Id of proxy/server if tracking is enabled."),
677 [ST_F_TYPE] = IST("Service type (0=frontend, 1=backend, 2=server, 3=socket/listener)."),
678 [ST_F_RATE] = IST("Current number of sessions per second over last elapsed second."),
679 [ST_F_RATE_LIM] = IST("Configured limit on new sessions per second."),
680 [ST_F_RATE_MAX] = IST("Maximum observed number of sessions per second."),
681 [ST_F_CHECK_STATUS] = IST("Status of last health check (If a check is running, the status will be reported, prefixed with '* ')."),
682 [ST_F_CHECK_CODE] = IST("layer5-7 code, if available of the last health check."),
683 [ST_F_CHECK_DURATION] = IST("Time in ms took to finish last health check."),
684 [ST_F_HRSP_1XX] = IST("Total number of HTTP responses."),
685 [ST_F_HRSP_2XX] = IST("Total number of HTTP responses."),
686 [ST_F_HRSP_3XX] = IST("Total number of HTTP responses."),
687 [ST_F_HRSP_4XX] = IST("Total number of HTTP responses."),
688 [ST_F_HRSP_5XX] = IST("Total number of HTTP responses."),
689 [ST_F_HRSP_OTHER] = IST("Total number of HTTP responses."),
690 [ST_F_HANAFAIL] = IST("Total number of failed health checks."),
691 [ST_F_REQ_RATE] = IST("Current number of HTTP requests per second over last elapsed second."),
692 [ST_F_REQ_RATE_MAX] = IST("Maximum observed number of HTTP requests per second."),
693 [ST_F_REQ_TOT] = IST("Total number of HTTP requests received."),
694 [ST_F_CLI_ABRT] = IST("Total number of data transfers aborted by the client."),
695 [ST_F_SRV_ABRT] = IST("Total number of data transfers aborted by the server."),
696 [ST_F_COMP_IN] = IST("Total number of HTTP response bytes fed to the compressor."),
697 [ST_F_COMP_OUT] = IST("Total number of HTTP response bytes emitted by the compressor."),
698 [ST_F_COMP_BYP] = IST("Total number of bytes that bypassed the HTTP compressor (CPU/BW limit)."),
699 [ST_F_COMP_RSP] = IST("Total number of HTTP responses that were compressed."),
700 [ST_F_LASTSESS] = IST("Number of seconds since last session assigned to server/backend."),
701 [ST_F_LAST_CHK] = IST("Last health check contents or textual error"),
702 [ST_F_LAST_AGT] = IST("Last agent check contents or textual error"),
703 [ST_F_QTIME] = IST("Avg. queue time for last 1024 successful connections."),
704 [ST_F_CTIME] = IST("Avg. connect time for last 1024 successful connections."),
705 [ST_F_RTIME] = IST("Avg. response time for last 1024 successful connections."),
706 [ST_F_TTIME] = IST("Avg. total time for last 1024 successful connections."),
707 [ST_F_AGENT_STATUS] = IST("Status of last agent check."),
708 [ST_F_AGENT_CODE] = IST("Numeric code reported by agent if any (unused for now)."),
709 [ST_F_AGENT_DURATION] = IST("Time in ms taken to finish last agent check."),
710 [ST_F_CHECK_DESC] = IST("Short human-readable description of the last health status."),
711 [ST_F_AGENT_DESC] = IST("Short human-readable description of the last agent status."),
712 [ST_F_CHECK_RISE] = IST("Server's \"rise\" parameter used by health checks"),
713 [ST_F_CHECK_FALL] = IST("Server's \"fall\" parameter used by health checks"),
714 [ST_F_CHECK_HEALTH] = IST("Server's health check value between 0 and rise+fall-1"),
715 [ST_F_AGENT_RISE] = IST("Agent's \"rise\" parameter, normally 1."),
716 [ST_F_AGENT_FALL] = IST("Agent's \"fall\" parameter, normally 1."),
717 [ST_F_AGENT_HEALTH] = IST("Agent's health parameter, between 0 and rise+fall-1"),
718 [ST_F_ADDR] = IST("address:port or \"unix\". IPv6 has brackets around the address."),
719 [ST_F_COOKIE] = IST("Server's cookie value or backend's cookie name."),
720 [ST_F_MODE] = IST("Proxy mode (tcp, http, health, unknown)."),
721 [ST_F_ALGO] = IST("Load balancing algorithm."),
722 [ST_F_CONN_RATE] = IST("Current number of connections per second over the last elapsed second."),
723 [ST_F_CONN_RATE_MAX] = IST("Maximum observed number of connections per second."),
724 [ST_F_CONN_TOT] = IST("Total number of connections."),
725 [ST_F_INTERCEPTED] = IST("Total number of intercepted HTTP requests."),
726 [ST_F_DCON] = IST("Total number of requests denied by \"tcp-request connection\" rules."),
727 [ST_F_DSES] = IST("Total number of requests denied by \"tcp-request session\" rules."),
728 [ST_F_WREW] = IST("Total number of failed header rewriting warnings."),
729 [ST_F_CONNECT] = IST("Total number of connection establishment attempts."),
730 [ST_F_REUSE] = IST("Total number of connection reuses."),
731 [ST_F_CACHE_LOOKUPS] = IST("Total number of HTTP cache lookups."),
732 [ST_F_CACHE_HITS] = IST("Total number of HTTP cache hits."),
733};
734
735/* Specific labels for all info fields. Empty by default. */
736const struct ist promex_inf_metric_labels[INF_TOTAL_FIELDS] = {
737 [INF_NAME] = IST(""),
738 [INF_VERSION] = IST(""),
739 [INF_RELEASE_DATE] = IST(""),
740 [INF_NBTHREAD] = IST(""),
741 [INF_NBPROC] = IST(""),
742 [INF_PROCESS_NUM] = IST(""),
743 [INF_PID] = IST(""),
744 [INF_UPTIME] = IST(""),
745 [INF_UPTIME_SEC] = IST(""),
746 [INF_MEMMAX_MB] = IST(""),
747 [INF_POOL_ALLOC_MB] = IST(""),
748 [INF_POOL_USED_MB] = IST(""),
749 [INF_POOL_FAILED] = IST(""),
750 [INF_ULIMIT_N] = IST(""),
751 [INF_MAXSOCK] = IST(""),
752 [INF_MAXCONN] = IST(""),
753 [INF_HARD_MAXCONN] = IST(""),
754 [INF_CURR_CONN] = IST(""),
755 [INF_CUM_CONN] = IST(""),
756 [INF_CUM_REQ] = IST(""),
757 [INF_MAX_SSL_CONNS] = IST(""),
758 [INF_CURR_SSL_CONNS] = IST(""),
759 [INF_CUM_SSL_CONNS] = IST(""),
760 [INF_MAXPIPES] = IST(""),
761 [INF_PIPES_USED] = IST(""),
762 [INF_PIPES_FREE] = IST(""),
763 [INF_CONN_RATE] = IST(""),
764 [INF_CONN_RATE_LIMIT] = IST(""),
765 [INF_MAX_CONN_RATE] = IST(""),
766 [INF_SESS_RATE] = IST(""),
767 [INF_SESS_RATE_LIMIT] = IST(""),
768 [INF_MAX_SESS_RATE] = IST(""),
769 [INF_SSL_RATE] = IST(""),
770 [INF_SSL_RATE_LIMIT] = IST(""),
771 [INF_MAX_SSL_RATE] = IST(""),
772 [INF_SSL_FRONTEND_KEY_RATE] = IST(""),
773 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST(""),
774 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST(""),
775 [INF_SSL_BACKEND_KEY_RATE] = IST(""),
776 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST(""),
777 [INF_SSL_CACHE_LOOKUPS] = IST(""),
778 [INF_SSL_CACHE_MISSES] = IST(""),
779 [INF_COMPRESS_BPS_IN] = IST(""),
780 [INF_COMPRESS_BPS_OUT] = IST(""),
781 [INF_COMPRESS_BPS_RATE_LIM] = IST(""),
782 [INF_ZLIB_MEM_USAGE] = IST(""),
783 [INF_MAX_ZLIB_MEM_USAGE] = IST(""),
784 [INF_TASKS] = IST(""),
785 [INF_RUN_QUEUE] = IST(""),
786 [INF_IDLE_PCT] = IST(""),
787 [INF_NODE] = IST(""),
788 [INF_DESCRIPTION] = IST(""),
789 [INF_STOPPING] = IST(""),
790 [INF_JOBS] = IST(""),
791 [INF_UNSTOPPABLE_JOBS] = IST(""),
792 [INF_LISTENERS] = IST(""),
793 [INF_ACTIVE_PEERS] = IST(""),
794 [INF_CONNECTED_PEERS] = IST(""),
795 [INF_DROPPED_LOGS] = IST(""),
796 [INF_BUSY_POLLING] = IST(""),
797};
798
799/* Specific labels for all stats fields. Empty by default. */
800const struct ist promex_st_metric_labels[ST_F_TOTAL_FIELDS] = {
801 [ST_F_PXNAME] = IST(""),
802 [ST_F_SVNAME] = IST(""),
803 [ST_F_QCUR] = IST(""),
804 [ST_F_QMAX] = IST(""),
805 [ST_F_SCUR] = IST(""),
806 [ST_F_SMAX] = IST(""),
807 [ST_F_SLIM] = IST(""),
808 [ST_F_STOT] = IST(""),
809 [ST_F_BIN] = IST(""),
810 [ST_F_BOUT] = IST(""),
811 [ST_F_DREQ] = IST(""),
812 [ST_F_DRESP] = IST(""),
813 [ST_F_EREQ] = IST(""),
814 [ST_F_ECON] = IST(""),
815 [ST_F_ERESP] = IST(""),
816 [ST_F_WRETR] = IST(""),
817 [ST_F_WREDIS] = IST(""),
818 [ST_F_STATUS] = IST(""),
819 [ST_F_WEIGHT] = IST(""),
820 [ST_F_ACT] = IST(""),
821 [ST_F_BCK] = IST(""),
822 [ST_F_CHKFAIL] = IST(""),
823 [ST_F_CHKDOWN] = IST(""),
824 [ST_F_LASTCHG] = IST(""),
825 [ST_F_DOWNTIME] = IST(""),
826 [ST_F_QLIMIT] = IST(""),
827 [ST_F_PID] = IST(""),
828 [ST_F_IID] = IST(""),
829 [ST_F_SID] = IST(""),
830 [ST_F_THROTTLE] = IST(""),
831 [ST_F_LBTOT] = IST(""),
832 [ST_F_TRACKED] = IST(""),
833 [ST_F_TYPE] = IST(""),
834 [ST_F_RATE] = IST(""),
835 [ST_F_RATE_LIM] = IST(""),
836 [ST_F_RATE_MAX] = IST(""),
837 [ST_F_CHECK_STATUS] = IST(""),
838 [ST_F_CHECK_CODE] = IST(""),
839 [ST_F_CHECK_DURATION] = IST(""),
840 [ST_F_HRSP_1XX] = IST("code=\"1xx\""),
841 [ST_F_HRSP_2XX] = IST("code=\"2xx\""),
842 [ST_F_HRSP_3XX] = IST("code=\"3xx\""),
843 [ST_F_HRSP_4XX] = IST("code=\"4xx\""),
844 [ST_F_HRSP_5XX] = IST("code=\"5xx\""),
845 [ST_F_HRSP_OTHER] = IST("code=\"other\""),
846 [ST_F_HANAFAIL] = IST(""),
847 [ST_F_REQ_RATE] = IST(""),
848 [ST_F_REQ_RATE_MAX] = IST(""),
849 [ST_F_REQ_TOT] = IST(""),
850 [ST_F_CLI_ABRT] = IST(""),
851 [ST_F_SRV_ABRT] = IST(""),
852 [ST_F_COMP_IN] = IST(""),
853 [ST_F_COMP_OUT] = IST(""),
854 [ST_F_COMP_BYP] = IST(""),
855 [ST_F_COMP_RSP] = IST(""),
856 [ST_F_LASTSESS] = IST(""),
857 [ST_F_LAST_CHK] = IST(""),
858 [ST_F_LAST_AGT] = IST(""),
859 [ST_F_QTIME] = IST(""),
860 [ST_F_CTIME] = IST(""),
861 [ST_F_RTIME] = IST(""),
862 [ST_F_TTIME] = IST(""),
863 [ST_F_AGENT_STATUS] = IST(""),
864 [ST_F_AGENT_CODE] = IST(""),
865 [ST_F_AGENT_DURATION] = IST(""),
866 [ST_F_CHECK_DESC] = IST(""),
867 [ST_F_AGENT_DESC] = IST(""),
868 [ST_F_CHECK_RISE] = IST(""),
869 [ST_F_CHECK_FALL] = IST(""),
870 [ST_F_CHECK_HEALTH] = IST(""),
871 [ST_F_AGENT_RISE] = IST(""),
872 [ST_F_AGENT_FALL] = IST(""),
873 [ST_F_AGENT_HEALTH] = IST(""),
874 [ST_F_ADDR] = IST(""),
875 [ST_F_COOKIE] = IST(""),
876 [ST_F_MODE] = IST(""),
877 [ST_F_ALGO] = IST(""),
878 [ST_F_CONN_RATE] = IST(""),
879 [ST_F_CONN_RATE_MAX] = IST(""),
880 [ST_F_CONN_TOT] = IST(""),
881 [ST_F_INTERCEPTED] = IST(""),
882 [ST_F_DCON] = IST(""),
883 [ST_F_DSES] = IST(""),
884 [ST_F_WREW] = IST(""),
885 [ST_F_CONNECT] = IST(""),
886 [ST_F_REUSE] = IST(""),
887 [ST_F_CACHE_LOOKUPS] = IST(""),
888 [ST_F_CACHE_HITS] = IST(""),
889};
890
891/* Type for all info fields. "untyped" is used for unsupported field. */
892const struct ist promex_inf_metric_types[INF_TOTAL_FIELDS] = {
893 [INF_NAME] = IST("untyped"),
894 [INF_VERSION] = IST("untyped"),
895 [INF_RELEASE_DATE] = IST("untyped"),
896 [INF_NBTHREAD] = IST("counter"),
897 [INF_NBPROC] = IST("counter"),
898 [INF_PROCESS_NUM] = IST("counter"),
899 [INF_PID] = IST("untyped"),
900 [INF_UPTIME] = IST("untyped"),
901 [INF_UPTIME_SEC] = IST("counter"),
902 [INF_MEMMAX_MB] = IST("counter"),
903 [INF_POOL_ALLOC_MB] = IST("gauge"),
904 [INF_POOL_USED_MB] = IST("gauge"),
905 [INF_POOL_FAILED] = IST("counter"),
906 [INF_ULIMIT_N] = IST("counter"),
907 [INF_MAXSOCK] = IST("gauge"),
908 [INF_MAXCONN] = IST("gauge"),
909 [INF_HARD_MAXCONN] = IST("gauge"),
910 [INF_CURR_CONN] = IST("gauge"),
911 [INF_CUM_CONN] = IST("counter"),
912 [INF_CUM_REQ] = IST("counter"),
913 [INF_MAX_SSL_CONNS] = IST("counter"),
914 [INF_CURR_SSL_CONNS] = IST("gauge"),
915 [INF_CUM_SSL_CONNS] = IST("counter"),
916 [INF_MAXPIPES] = IST("counter"),
917 [INF_PIPES_USED] = IST("gauge"),
918 [INF_PIPES_FREE] = IST("gauge"),
919 [INF_CONN_RATE] = IST("gauge"),
920 [INF_CONN_RATE_LIMIT] = IST("counter"),
921 [INF_MAX_CONN_RATE] = IST("counter"),
922 [INF_SESS_RATE] = IST("gauge"),
923 [INF_SESS_RATE_LIMIT] = IST("counter"),
924 [INF_MAX_SESS_RATE] = IST("counter"),
925 [INF_SSL_RATE] = IST("gauge"),
926 [INF_SSL_RATE_LIMIT] = IST("counter"),
927 [INF_MAX_SSL_RATE] = IST("counter"),
928 [INF_SSL_FRONTEND_KEY_RATE] = IST("gauge"),
929 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("counter"),
930 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("gauge"),
931 [INF_SSL_BACKEND_KEY_RATE] = IST("gauge"),
932 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("counter"),
933 [INF_SSL_CACHE_LOOKUPS] = IST("counter"),
934 [INF_SSL_CACHE_MISSES] = IST("counter"),
935 [INF_COMPRESS_BPS_IN] = IST("gauge"),
936 [INF_COMPRESS_BPS_OUT] = IST("gauge"),
937 [INF_COMPRESS_BPS_RATE_LIM] = IST("counter"),
938 [INF_ZLIB_MEM_USAGE] = IST("gauge"),
939 [INF_MAX_ZLIB_MEM_USAGE] = IST("counter"),
940 [INF_TASKS] = IST("gauge"),
941 [INF_RUN_QUEUE] = IST("gouge"),
942 [INF_IDLE_PCT] = IST("gauge"),
943 [INF_NODE] = IST("untyped"),
944 [INF_DESCRIPTION] = IST("untyped"),
945 [INF_STOPPING] = IST("gauge"),
946 [INF_JOBS] = IST("gauge"),
947 [INF_UNSTOPPABLE_JOBS] = IST("gauge"),
948 [INF_LISTENERS] = IST("gauge"),
949 [INF_ACTIVE_PEERS] = IST("gauge"),
950 [INF_CONNECTED_PEERS] = IST("gauge"),
951 [INF_DROPPED_LOGS] = IST("counter"),
952 [INF_BUSY_POLLING] = IST("counter"),
953};
954
955/* Type for all stats fields. "untyped" is used for unsupported field. */
956const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = {
957 [ST_F_PXNAME] = IST("untyped"),
958 [ST_F_SVNAME] = IST("untyped"),
959 [ST_F_QCUR] = IST("gauge"),
960 [ST_F_QMAX] = IST("counter"),
961 [ST_F_SCUR] = IST("gauge"),
962 [ST_F_SMAX] = IST("counter"),
963 [ST_F_SLIM] = IST("gauge"),
964 [ST_F_STOT] = IST("counter"),
965 [ST_F_BIN] = IST("counter"),
966 [ST_F_BOUT] = IST("counter"),
967 [ST_F_DREQ] = IST("counter"),
968 [ST_F_DRESP] = IST("counter"),
969 [ST_F_EREQ] = IST("counter"),
970 [ST_F_ECON] = IST("counter"),
971 [ST_F_ERESP] = IST("counter"),
972 [ST_F_WRETR] = IST("counter"),
973 [ST_F_WREDIS] = IST("counter"),
974 [ST_F_STATUS] = IST("gauge"),
975 [ST_F_WEIGHT] = IST("gauge"),
976 [ST_F_ACT] = IST("gauge"),
977 [ST_F_BCK] = IST("gauge"),
978 [ST_F_CHKFAIL] = IST("counter"),
979 [ST_F_CHKDOWN] = IST("counter"),
980 [ST_F_LASTCHG] = IST("gauge"),
981 [ST_F_DOWNTIME] = IST("counter"),
982 [ST_F_QLIMIT] = IST("gauge"),
983 [ST_F_PID] = IST("untyped"),
984 [ST_F_IID] = IST("untyped"),
985 [ST_F_SID] = IST("untyped"),
986 [ST_F_THROTTLE] = IST("gauge"),
987 [ST_F_LBTOT] = IST("counter"),
988 [ST_F_TRACKED] = IST("untyped"),
989 [ST_F_TYPE] = IST("untyped"),
990 [ST_F_RATE] = IST("gauge"),
991 [ST_F_RATE_LIM] = IST("gauge"),
992 [ST_F_RATE_MAX] = IST("counter"),
993 [ST_F_CHECK_STATUS] = IST("untyped"),
994 [ST_F_CHECK_CODE] = IST("untyped"),
995 [ST_F_CHECK_DURATION] = IST("gauge"),
996 [ST_F_HRSP_1XX] = IST("counter"),
997 [ST_F_HRSP_2XX] = IST("counter"),
998 [ST_F_HRSP_3XX] = IST("counter"),
999 [ST_F_HRSP_4XX] = IST("counter"),
1000 [ST_F_HRSP_5XX] = IST("counter"),
1001 [ST_F_HRSP_OTHER] = IST("counter"),
1002 [ST_F_HANAFAIL] = IST("counter"),
1003 [ST_F_REQ_RATE] = IST("gauge"),
1004 [ST_F_REQ_RATE_MAX] = IST("counter"),
1005 [ST_F_REQ_TOT] = IST("counter"),
1006 [ST_F_CLI_ABRT] = IST("counter"),
1007 [ST_F_SRV_ABRT] = IST("counter"),
1008 [ST_F_COMP_IN] = IST("counter"),
1009 [ST_F_COMP_OUT] = IST("counter"),
1010 [ST_F_COMP_BYP] = IST("counter"),
1011 [ST_F_COMP_RSP] = IST("counter"),
1012 [ST_F_LASTSESS] = IST("gauge"),
1013 [ST_F_LAST_CHK] = IST("untyped"),
1014 [ST_F_LAST_AGT] = IST("untyped"),
1015 [ST_F_QTIME] = IST("gauge"),
1016 [ST_F_CTIME] = IST("gauge"),
1017 [ST_F_RTIME] = IST("gauge"),
1018 [ST_F_TTIME] = IST("gauge"),
1019 [ST_F_AGENT_STATUS] = IST("untyped"),
1020 [ST_F_AGENT_CODE] = IST("untyped"),
1021 [ST_F_AGENT_DURATION] = IST("gauge"),
1022 [ST_F_CHECK_DESC] = IST("untyped"),
1023 [ST_F_AGENT_DESC] = IST("untyped"),
1024 [ST_F_CHECK_RISE] = IST("gauge"),
1025 [ST_F_CHECK_FALL] = IST("gauge"),
1026 [ST_F_CHECK_HEALTH] = IST("gauge"),
1027 [ST_F_AGENT_RISE] = IST("gauge"),
1028 [ST_F_AGENT_FALL] = IST("gauge"),
1029 [ST_F_AGENT_HEALTH] = IST("gauge"),
1030 [ST_F_ADDR] = IST("untyped"),
1031 [ST_F_COOKIE] = IST("untyped"),
1032 [ST_F_MODE] = IST("untyped"),
1033 [ST_F_ALGO] = IST("untyped"),
1034 [ST_F_CONN_RATE] = IST("gauge"),
1035 [ST_F_CONN_RATE_MAX] = IST("counter"),
1036 [ST_F_CONN_TOT] = IST("counter"),
1037 [ST_F_INTERCEPTED] = IST("counter"),
1038 [ST_F_DCON] = IST("counter"),
1039 [ST_F_DSES] = IST("counter"),
1040 [ST_F_WREW] = IST("counter"),
1041 [ST_F_CONNECT] = IST("counter"),
1042 [ST_F_REUSE] = IST("counter"),
1043 [ST_F_CACHE_LOOKUPS] = IST("counter"),
1044 [ST_F_CACHE_HITS] = IST("counter"),
1045};
1046
1047/* Return the server status: 1=UP and 0=DOWN. */
1048static int promex_srv_status(struct server *sv)
1049{
1050 struct server *via, *ref;
1051 int state = 0;
1052
1053 /* we have "via" which is the tracked server as described in the configuration,
1054 * and "ref" which is the checked server and the end of the chain.
1055 */
1056 via = sv->track ? sv->track : sv;
1057 ref = via;
1058 while (ref->track)
1059 ref = ref->track;
1060
1061 if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) {
1062 state = 1;
1063 if (sv->cur_admin & SRV_ADMF_DRAIN)
1064 state = 0;
1065 }
1066
1067 return state;
1068}
1069
1070/* Convert a field to its string representation and write it in <out>, followed
1071 * by a newline, if there is enough space. non-numeric value are converted in
1072 * "Nan" because Prometheus only support numerical values (but it is unexepceted
1073 * to process this kind of value). It returns 1 on success. Otherwise, it
1074 * returns 0. The buffer's length must not exceed <max> value.
1075 */
1076static int promex_metric_to_str(struct buffer *out, struct field *f, size_t max)
1077{
1078 int ret = 0;
1079
1080 switch (field_format(f, 0)) {
1081 case FF_EMPTY: ret = chunk_strcat(out, "Nan\n"); break;
1082 case FF_S32: ret = chunk_appendf(out, "%d\n", f->u.s32); break;
1083 case FF_U32: ret = chunk_appendf(out, "%u\n", f->u.u32); break;
1084 case FF_S64: ret = chunk_appendf(out, "%lld\n", (long long)f->u.s64); break;
1085 case FF_U64: ret = chunk_appendf(out, "%llu\n", (unsigned long long)f->u.u64); break;
1086 case FF_STR: ret = chunk_strcat(out, "Nan\n"); break;
1087 default: ret = chunk_strcat(out, "Nan\n"); break;
1088 }
1089 if (!ret || out->data > max)
1090 return 0;
1091 return 1;
1092}
1093
1094/* Concatenate the <prefix> with the field name using the array
1095 * <promex_st_metric_names> and store it in <name>. The field type is in
1096 * <appctx->st2>. This function never fails but relies on
1097 * <PROMEX_MAX_NAME_LEN>. So by sure the result is small enougth to be copied in
1098 * <name>
1099 */
1100static void promex_metric_name(struct appctx *appctx, struct ist *name, const struct ist prefix)
1101{
1102 const struct ist *names;
1103
1104 names = ((appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC)
1105 ? promex_inf_metric_names
1106 : promex_st_metric_names);
1107
1108 istcat(name, prefix, PROMEX_MAX_NAME_LEN);
1109 istcat(name, names[appctx->st2], PROMEX_MAX_NAME_LEN);
1110}
1111
1112/* Dump the header lines for <metric>. It is its #HELP and #TYPE strings. It
1113 * returns 1 on success. Otherwise, if <out> length exceeds <max>, it returns 0.
1114 */
1115static int promex_dump_metric_header(struct appctx *appctx, struct htx *htx,
1116 const struct ist name, struct ist *out, size_t max)
1117{
1118 const struct ist *desc, *types;
1119
1120 if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) {
1121 desc = promex_inf_metric_desc;
1122 types = promex_inf_metric_types;
1123 }
1124 else {
1125 desc = promex_st_metric_desc;
1126 types = promex_st_metric_types;
1127 }
1128
1129 if (istcat(out, ist("#HELP "), max) == -1 ||
1130 istcat(out, name, max) == -1 ||
1131 istcat(out, ist(" "), max) == -1 ||
1132 istcat(out, desc[appctx->st2], max) == -1 ||
1133 istcat(out, ist("\n#TYPE "), max) == -1 ||
1134 istcat(out, name, max) == -1 ||
1135 istcat(out, ist(" "), max) == -1 ||
1136 istcat(out, types[appctx->st2], max) == -1 ||
1137 istcat(out, ist("\n"), max) == -1)
1138 goto full;
1139
1140 return 1;
1141
1142 full:
1143 return 0;
1144}
1145
1146/* Dump the line for <metric>. It starts by the metric name followed by its
1147 * labels (proxy name, server name...) between braces and finally its value. If
1148 * not already done, the header lines are dumped first. It returns 1 on
1149 * success. Otherwise if <out> length exceeds <max>, it returns 0.
1150 */
1151static int promex_dump_metric(struct appctx *appctx, struct htx *htx,
1152 const struct ist prefix, struct field *metric,
1153 struct ist *out, size_t max)
1154{
1155 struct ist name = { .ptr = (char[PROMEX_MAX_NAME_LEN]){ 0 }, .len = 0 };
1156 size_t len = out->len;
1157
1158 if (out->len + PROMEX_MAX_METRIC_LENGTH > max)
1159 return 0;
1160
1161 promex_metric_name(appctx, &name, prefix);
1162 if ((appctx->ctx.stats.flags & PROMEX_FL_METRIC_HDR) &&
1163 !promex_dump_metric_header(appctx, htx, name, out, max))
1164 goto full;
1165
1166 if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) {
1167 const struct ist label = promex_inf_metric_labels[appctx->st2];
1168
1169 if (istcat(out, name, max) == -1 ||
1170 (label.len && istcat(out, ist("{"), max) == -1) ||
1171 (label.len && istcat(out, label, max) == -1) ||
1172 (label.len && istcat(out, ist("}"), max) == -1) ||
1173 istcat(out, ist(" "), max) == -1)
1174 goto full;
1175 }
1176 else {
1177 struct proxy *px = appctx->ctx.stats.px;
1178 struct server *srv = appctx->ctx.stats.sv;
1179 const struct ist label = promex_st_metric_labels[appctx->st2];
1180
1181 if (istcat(out, name, max) == -1 ||
1182 istcat(out, ist("{proxy=\""), max) == -1 ||
1183 istcat(out, ist2(px->id, strlen(px->id)), max) == -1 ||
1184 istcat(out, ist("\""), max) == -1 ||
1185 (srv && istcat(out, ist(",server=\""), max) == -1) ||
1186 (srv && istcat(out, ist2(srv->id, strlen(srv->id)), max) == -1) ||
1187 (srv && istcat(out, ist("\""), max) == -1) ||
1188 (label.len && istcat(out, ist(","), max) == -1) ||
1189 (label.len && istcat(out, label, max) == -1) ||
1190 istcat(out, ist("} "), max) == -1)
1191 goto full;
1192 }
1193
1194 trash.data = out->len;
1195 if (!promex_metric_to_str(&trash, metric, max))
1196 goto full;
1197 out->len = trash.data;
1198
1199 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1200 return 1;
1201 full:
1202 // Restore previous length
1203 out->len = len;
1204 return 0;
1205
1206}
1207
1208
1209/* Dump global metrics (prefixed by "haproxy_process_"). It returns 1 on sucess,
1210 * 0 if <htx> is full and -1 in case of any error. */
1211static int promex_dump_global_metrics(struct appctx *appctx, struct htx *htx)
1212{
1213 static struct ist prefix = IST("haproxy_process_");
1214 struct field metric;
1215 struct channel *chn = si_ic(appctx->owner);
1216 struct ist out = ist2(trash.area, 0);
1217 size_t max = channel_htx_recv_max(chn, htx);
1218 int ret = 1;
1219
1220#ifdef USE_OPENSSL
1221 int ssl_sess_rate = read_freq_ctr(&global.ssl_per_sec);
1222 int ssl_key_rate = read_freq_ctr(&global.ssl_fe_keys_per_sec);
1223 int ssl_reuse = 0;
1224
1225 if (ssl_key_rate < ssl_sess_rate) {
1226 /* count the ssl reuse ratio and avoid overflows in both directions */
1227 ssl_reuse = 100 - (100 * ssl_key_rate + (ssl_sess_rate - 1) / 2) / ssl_sess_rate;
1228 }
1229#endif
1230
1231 while (appctx->st2 && appctx->st2 < INF_TOTAL_FIELDS) {
1232 switch (appctx->st2) {
1233 case INF_NBTHREAD:
1234 metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread);
1235 break;
1236 case INF_NBPROC:
1237 metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbproc);
1238 break;
1239 case INF_PROCESS_NUM:
1240 metric = mkf_u32(FO_KEY, relative_pid);
1241 break;
1242 case INF_UPTIME_SEC:
1243 metric = mkf_u32(FN_DURATION, (now.tv_sec - start_date.tv_sec));
1244 break;
1245 case INF_MEMMAX_MB:
1246 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax);
1247 break;
1248 case INF_POOL_ALLOC_MB:
1249 metric = mkf_u32(0, (unsigned)(pool_total_allocated() / 1048576L));
1250 break;
1251 case INF_POOL_USED_MB:
1252 metric = mkf_u32(0, (unsigned)(pool_total_used() / 1048576L));
1253 break;
1254 case INF_POOL_FAILED:
1255 metric = mkf_u32(FN_COUNTER, pool_total_failures());
1256 break;
1257 case INF_ULIMIT_N:
1258 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
1259 break;
1260 case INF_MAXSOCK:
1261 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
1262 break;
1263 case INF_MAXCONN:
1264 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
1265 break;
1266 case INF_HARD_MAXCONN:
1267 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
1268 break;
1269 case INF_CURR_CONN:
1270 metric = mkf_u32(0, actconn);
1271 break;
1272 case INF_CUM_CONN:
1273 metric = mkf_u32(FN_COUNTER, totalconn);
1274 break;
1275 case INF_CUM_REQ:
1276 metric = mkf_u32(FN_COUNTER, global.req_count);
1277 break;
1278#ifdef USE_OPENSSL
1279 case INF_MAX_SSL_CONNS:
1280 metric = mkf_u32(FN_MAX, global.maxsslconn);
1281 break;
1282 case INF_CURR_SSL_CONNS:
1283 metric = mkf_u32(0, sslconns);
1284 break;
1285 case INF_CUM_SSL_CONNS:
1286 metric = mkf_u32(FN_COUNTER, totalsslconns);
1287 break;
1288#endif
1289 case INF_MAXPIPES:
1290 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
1291 break;
1292 case INF_PIPES_USED:
1293 metric = mkf_u32(0, pipes_used);
1294 break;
1295 case INF_PIPES_FREE:
1296 metric = mkf_u32(0, pipes_free);
1297 break;
1298 case INF_CONN_RATE:
1299 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
1300 break;
1301 case INF_CONN_RATE_LIMIT:
1302 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
1303 break;
1304 case INF_MAX_CONN_RATE:
1305 metric = mkf_u32(FN_MAX, global.cps_max);
1306 break;
1307 case INF_SESS_RATE:
1308 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
1309 break;
1310 case INF_SESS_RATE_LIMIT:
1311 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
1312 break;
1313 case INF_MAX_SESS_RATE:
1314 metric = mkf_u32(FN_RATE, global.sps_max);
1315 break;
1316#ifdef USE_OPENSSL
1317 case INF_SSL_RATE:
1318 metric = mkf_u32(FN_RATE, ssl_sess_rate);
1319 break;
1320 case INF_SSL_RATE_LIMIT:
1321 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
1322 break;
1323 case INF_MAX_SSL_RATE:
1324 metric = mkf_u32(FN_MAX, global.ssl_max);
1325 break;
1326 case INF_SSL_FRONTEND_KEY_RATE:
1327 metric = mkf_u32(0, ssl_key_rate);
1328 break;
1329 case INF_SSL_FRONTEND_MAX_KEY_RATE:
1330 metric = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
1331 break;
1332 case INF_SSL_FRONTEND_SESSION_REUSE_PCT:
1333 metric = mkf_u32(0, ssl_reuse);
1334 break;
1335 case INF_SSL_BACKEND_KEY_RATE:
1336 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
1337 break;
1338 case INF_SSL_BACKEND_MAX_KEY_RATE:
1339 metric = mkf_u32(FN_MAX, global.ssl_be_keys_max);
1340 break;
1341 case INF_SSL_CACHE_LOOKUPS:
1342 metric = mkf_u32(FN_COUNTER, global.shctx_lookups);
1343 break;
1344 case INF_SSL_CACHE_MISSES:
1345 metric = mkf_u32(FN_COUNTER, global.shctx_misses);
1346 break;
1347#endif
1348 case INF_COMPRESS_BPS_IN:
1349 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
1350 break;
1351 case INF_COMPRESS_BPS_OUT:
1352 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
1353 break;
1354 case INF_COMPRESS_BPS_RATE_LIM:
1355 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
1356 break;
1357#ifdef USE_ZLIB
1358 case INF_ZLIB_MEM_USAGE:
1359 metric = mkf_u32(0, zlib_used_memory);
1360 break;
1361 case INF_MAX_ZLIB_MEM_USAGE:
1362 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
1363 break;
1364#endif
1365 case INF_TASKS:
1366 metric = mkf_u32(0, nb_tasks_cur);
1367 break;
1368 case INF_RUN_QUEUE:
1369 metric = mkf_u32(0, tasks_run_queue_cur);
1370 break;
1371 case INF_IDLE_PCT:
1372 metric = mkf_u32(FN_AVG, idle_pct);
1373 break;
1374 case INF_STOPPING:
1375 metric = mkf_u32(0, stopping);
1376 break;
1377 case INF_JOBS:
1378 metric = mkf_u32(0, jobs);
1379 break;
1380 case INF_UNSTOPPABLE_JOBS:
1381 metric = mkf_u32(0, unstoppable_jobs);
1382 break;
1383 case INF_LISTENERS:
1384 metric = mkf_u32(0, listeners);
1385 break;
1386 case INF_ACTIVE_PEERS:
1387 metric = mkf_u32(0, active_peers);
1388 break;
1389 case INF_CONNECTED_PEERS:
1390 metric = mkf_u32(0, connected_peers);
1391 break;
1392 case INF_DROPPED_LOGS:
1393 metric = mkf_u32(0, dropped_logs);
1394 break;
1395 case INF_BUSY_POLLING:
1396 metric = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING));
1397 break;
1398
1399 default:
1400 goto next_metric;
1401 }
1402
1403 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1404 goto full;
1405
1406 next_metric:
1407 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1408 appctx->st2 = promex_global_metrics[appctx->st2];
1409 }
1410
1411 end:
1412 if (!htx_add_data(htx, out))
1413 return -1; /* Unexpected and unrecoverable error */
1414 channel_add_input(chn, out.len);
1415 return ret;
1416 full:
1417 ret = 0;
1418 goto end;
1419}
1420
1421/* Dump frontends metrics (prefixed by "haproxy_frontend_"). It returns 1 on sucess,
1422 * 0 if <htx> is full and -1 in case of any error. */
1423static int promex_dump_front_metrics(struct appctx *appctx, struct htx *htx)
1424{
1425 static struct ist prefix = IST("haproxy_frontend_");
1426 struct proxy *px;
1427 struct field metric;
1428 struct channel *chn = si_ic(appctx->owner);
1429 struct ist out = ist2(trash.area, 0);
1430 size_t max = channel_htx_recv_max(chn, htx);
1431 int ret = 1;
1432
1433 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1434 while (appctx->ctx.stats.px) {
1435 px = appctx->ctx.stats.px;
1436
1437 /* skip the disabled proxies, global frontend and non-networked ones */
1438 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_FE))
1439 goto next_px;
1440
1441 switch (appctx->st2) {
1442 case ST_F_STATUS:
1443 metric = mkf_u32(FO_STATUS, px->state == PR_STREADY ? 1 : px->state == PR_STFULL ? 2 : 0);
1444 break;
1445 case ST_F_SCUR:
1446 metric = mkf_u32(0, px->feconn);
1447 break;
1448 case ST_F_SMAX:
1449 metric = mkf_u32(FN_MAX, px->fe_counters.conn_max);
1450 break;
1451 case ST_F_SLIM:
1452 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
1453 break;
1454 case ST_F_STOT:
1455 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
1456 break;
1457 case ST_F_RATE:
1458 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_sess_per_sec));
1459 break;
1460 case ST_F_RATE_LIM:
1461 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
1462 break;
1463 case ST_F_RATE_MAX:
1464 metric = mkf_u32(FN_MAX, px->fe_counters.sps_max);
1465 break;
1466 case ST_F_CONN_RATE:
1467 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
1468 break;
1469 case ST_F_CONN_RATE_MAX:
1470 metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
1471 break;
1472 case ST_F_CONN_TOT:
1473 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
1474 break;
1475 case ST_F_BIN:
1476 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in);
1477 break;
1478 case ST_F_BOUT:
1479 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out);
1480 break;
1481 case ST_F_DREQ:
1482 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
1483 break;
1484 case ST_F_DRESP:
1485 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
1486 break;
1487 case ST_F_EREQ:
1488 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
1489 break;
1490 case ST_F_DCON:
1491 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
1492 break;
1493 case ST_F_DSES:
1494 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess);
1495 break;
1496 case ST_F_WREW:
1497 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
1498 break;
1499 case ST_F_REQ_RATE:
1500 if (px->mode != PR_MODE_HTTP)
1501 goto next_px;
1502 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_req_per_sec));
1503 break;
1504 case ST_F_REQ_RATE_MAX:
1505 if (px->mode != PR_MODE_HTTP)
1506 goto next_px;
1507 metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
1508 break;
1509 case ST_F_REQ_TOT:
1510 if (px->mode != PR_MODE_HTTP)
1511 goto next_px;
1512 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req);
1513 break;
1514 case ST_F_HRSP_1XX:
1515 if (px->mode != PR_MODE_HTTP)
1516 goto next_px;
1517 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]);
1518 break;
1519 case ST_F_HRSP_2XX:
1520 if (px->mode != PR_MODE_HTTP)
1521 goto next_px;
1522 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1523 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]);
1524 break;
1525 case ST_F_HRSP_3XX:
1526 if (px->mode != PR_MODE_HTTP)
1527 goto next_px;
1528 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1529 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]);
1530 break;
1531 case ST_F_HRSP_4XX:
1532 if (px->mode != PR_MODE_HTTP)
1533 goto next_px;
1534 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1535 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]);
1536 break;
1537 case ST_F_HRSP_5XX:
1538 if (px->mode != PR_MODE_HTTP)
1539 goto next_px;
1540 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1541 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]);
1542 break;
1543 case ST_F_HRSP_OTHER:
1544 if (px->mode != PR_MODE_HTTP)
1545 goto next_px;
1546 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1547 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]);
1548 break;
1549 case ST_F_INTERCEPTED:
1550 if (px->mode != PR_MODE_HTTP)
1551 goto next_px;
1552 metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req);
1553 break;
1554 case ST_F_CACHE_LOOKUPS:
1555 if (px->mode != PR_MODE_HTTP)
1556 goto next_px;
1557 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups);
1558 break;
1559 case ST_F_CACHE_HITS:
1560 if (px->mode != PR_MODE_HTTP)
1561 goto next_px;
1562 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits);
1563 break;
1564 case ST_F_COMP_IN:
1565 if (px->mode != PR_MODE_HTTP)
1566 goto next_px;
1567 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in);
1568 break;
1569 case ST_F_COMP_OUT:
1570 if (px->mode != PR_MODE_HTTP)
1571 goto next_px;
1572 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out);
1573 break;
1574 case ST_F_COMP_BYP:
1575 if (px->mode != PR_MODE_HTTP)
1576 goto next_px;
1577 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp);
1578 break;
1579 case ST_F_COMP_RSP:
1580 if (px->mode != PR_MODE_HTTP)
1581 goto next_px;
1582 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
1583 break;
1584
1585 default:
1586 goto next_metric;
1587 }
1588
1589 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1590 goto full;
1591 next_px:
1592 appctx->ctx.stats.px = px->next;
1593 }
1594 next_metric:
1595 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1596 appctx->ctx.stats.px = proxies_list;
1597 appctx->st2 = promex_front_metrics[appctx->st2];
1598 }
1599
1600 end:
1601 if (!htx_add_data(htx, out))
1602 return -1; /* Unexpected and unrecoverable error */
1603 channel_add_input(chn, out.len);
1604 return ret;
1605 full:
1606 ret = 0;
1607 goto end;
1608}
1609
1610/* Dump backends metrics (prefixed by "haproxy_backend_"). It returns 1 on sucess,
1611 * 0 if <htx> is full and -1 in case of any error. */
1612static int promex_dump_back_metrics(struct appctx *appctx, struct htx *htx)
1613{
1614 static struct ist prefix = IST("haproxy_backend_");
1615 struct proxy *px;
1616 struct field metric;
1617 struct channel *chn = si_ic(appctx->owner);
1618 struct ist out = ist2(trash.area, 0);
1619 size_t max = channel_htx_recv_max(chn, htx);
1620 int ret = 1;
1621 uint32_t weight;
1622
1623 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1624 while (appctx->ctx.stats.px) {
1625 px = appctx->ctx.stats.px;
1626
1627 /* skip the disabled proxies, global frontend and non-networked ones */
1628 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_BE))
1629 goto next_px;
1630
1631 switch (appctx->st2) {
1632 case ST_F_STATUS:
1633 metric = mkf_u32(FO_STATUS, (px->lbprm.tot_weight > 0 || !px->srv) ? 1 : 0);
1634 break;
1635 case ST_F_SCUR:
1636 metric = mkf_u32(0, px->beconn);
1637 break;
1638 case ST_F_SMAX:
1639 metric = mkf_u32(FN_MAX, px->be_counters.conn_max);
1640 break;
1641 case ST_F_SLIM:
1642 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
1643 break;
1644 case ST_F_STOT:
1645 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
1646 break;
1647 case ST_F_RATE:
1648 metric = mkf_u32(0, read_freq_ctr(&px->be_sess_per_sec));
1649 break;
1650 case ST_F_RATE_MAX:
1651 metric = mkf_u32(0, px->be_counters.sps_max);
1652 break;
1653 case ST_F_LASTSESS:
1654 metric = mkf_s32(FN_AGE, be_lastsession(px));
1655 break;
1656 case ST_F_QCUR:
1657 metric = mkf_u32(0, px->nbpend);
1658 break;
1659 case ST_F_QMAX:
1660 metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
1661 break;
1662 case ST_F_CONNECT:
1663 metric = mkf_u64(FN_COUNTER, px->be_counters.connect);
1664 break;
1665 case ST_F_REUSE:
1666 metric = mkf_u64(FN_COUNTER, px->be_counters.reuse);
1667 break;
1668 case ST_F_BIN:
1669 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in);
1670 break;
1671 case ST_F_BOUT:
1672 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out);
1673 break;
1674 case ST_F_QTIME:
1675 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.q_time, TIME_STATS_SAMPLES));
1676 break;
1677 case ST_F_CTIME:
1678 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.c_time, TIME_STATS_SAMPLES));
1679 break;
1680 case ST_F_RTIME:
1681 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.d_time, TIME_STATS_SAMPLES));
1682 break;
1683 case ST_F_TTIME:
1684 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.t_time, TIME_STATS_SAMPLES));
1685 break;
1686 case ST_F_DREQ:
1687 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req);
1688 break;
1689 case ST_F_DRESP:
1690 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp);
1691 break;
1692 case ST_F_ECON:
1693 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns);
1694 break;
1695 case ST_F_ERESP:
1696 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp);
1697 break;
1698 case ST_F_WRETR:
1699 metric = mkf_u64(FN_COUNTER, px->be_counters.retries);
1700 break;
1701 case ST_F_WREDIS:
1702 metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches);
1703 break;
1704 case ST_F_WREW:
1705 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites);
1706 break;
1707 case ST_F_CLI_ABRT:
1708 metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts);
1709 break;
1710 case ST_F_SRV_ABRT:
1711 metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts);
1712 break;
1713 case ST_F_WEIGHT:
1714 weight = (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv;
1715 metric = mkf_u32(FN_AVG, weight);
1716 break;
1717 case ST_F_ACT:
1718 metric = mkf_u32(0, px->srv_act);
1719 break;
1720 case ST_F_BCK:
1721 metric = mkf_u32(0, px->srv_bck);
1722 break;
1723 case ST_F_CHKDOWN:
1724 metric = mkf_u64(FN_COUNTER, px->down_trans);
1725 break;
1726 case ST_F_LASTCHG:
1727 metric = mkf_u32(FN_AGE, now.tv_sec - px->last_change);
1728 break;
1729 case ST_F_DOWNTIME:
1730 metric = mkf_u32(FN_COUNTER, be_downtime(px));
1731 break;
1732 case ST_F_LBTOT:
1733 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn);
1734 break;
1735 case ST_F_REQ_TOT:
1736 if (px->mode != PR_MODE_HTTP)
1737 goto next_px;
1738 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req);
1739 break;
1740 case ST_F_HRSP_1XX:
1741 if (px->mode != PR_MODE_HTTP)
1742 goto next_px;
1743 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]);
1744 break;
1745 case ST_F_HRSP_2XX:
1746 if (px->mode != PR_MODE_HTTP)
1747 goto next_px;
1748 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1749 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]);
1750 break;
1751 case ST_F_HRSP_3XX:
1752 if (px->mode != PR_MODE_HTTP)
1753 goto next_px;
1754 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1755 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]);
1756 break;
1757 case ST_F_HRSP_4XX:
1758 if (px->mode != PR_MODE_HTTP)
1759 goto next_px;
1760 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1761 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]);
1762 break;
1763 case ST_F_HRSP_5XX:
1764 if (px->mode != PR_MODE_HTTP)
1765 goto next_px;
1766 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1767 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]);
1768 break;
1769 case ST_F_HRSP_OTHER:
1770 if (px->mode != PR_MODE_HTTP)
1771 goto next_px;
1772 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1773 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]);
1774 break;
1775 case ST_F_CACHE_LOOKUPS:
1776 if (px->mode != PR_MODE_HTTP)
1777 goto next_px;
1778 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups);
1779 break;
1780 case ST_F_CACHE_HITS:
1781 if (px->mode != PR_MODE_HTTP)
1782 goto next_px;
1783 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits);
1784 break;
1785 case ST_F_COMP_IN:
1786 if (px->mode != PR_MODE_HTTP)
1787 goto next_px;
1788 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in);
1789 break;
1790 case ST_F_COMP_OUT:
1791 if (px->mode != PR_MODE_HTTP)
1792 goto next_px;
1793 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out);
1794 break;
1795 case ST_F_COMP_BYP:
1796 if (px->mode != PR_MODE_HTTP)
1797 goto next_px;
1798 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp);
1799 break;
1800 case ST_F_COMP_RSP:
1801 if (px->mode != PR_MODE_HTTP)
1802 goto next_px;
1803 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp);
1804 break;
1805
1806 default:
1807 goto next_metric;
1808 }
1809
1810 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1811 goto full;
1812 next_px:
1813 appctx->ctx.stats.px = px->next;
1814 }
1815 next_metric:
1816 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1817 appctx->ctx.stats.px = proxies_list;
1818 appctx->st2 = promex_back_metrics[appctx->st2];
1819 }
1820
1821 end:
1822 if (!htx_add_data(htx, out))
1823 return -1; /* Unexpected and unrecoverable error */
1824 channel_add_input(chn, out.len);
1825 return ret;
1826 full:
1827 ret = 0;
1828 goto end;
1829}
1830
1831/* Dump servers metrics (prefixed by "haproxy_server_"). It returns 1 on sucess,
1832 * 0 if <htx> is full and -1 in case of any error. */
1833static int promex_dump_srv_metrics(struct appctx *appctx, struct htx *htx)
1834{
1835 static struct ist prefix = IST("haproxy_server_");
1836 struct proxy *px;
1837 struct server *sv;
1838 struct field metric;
1839 struct channel *chn = si_ic(appctx->owner);
1840 struct ist out = ist2(trash.area, 0);
1841 size_t max = channel_htx_recv_max(chn, htx);
1842 int ret = 1;
1843 uint32_t weight;
1844
1845 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1846 while (appctx->ctx.stats.px) {
1847 px = appctx->ctx.stats.px;
1848
1849 /* skip the disabled proxies, global frontend and non-networked ones */
1850 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_BE))
1851 goto next_px;
1852
1853 while (appctx->ctx.stats.sv) {
1854 sv = appctx->ctx.stats.sv;
1855
1856 switch (appctx->st2) {
1857 case ST_F_STATUS:
1858 metric = mkf_u32(FO_STATUS, promex_srv_status(sv));
1859 break;
1860 case ST_F_SCUR:
1861 metric = mkf_u32(0, sv->cur_sess);
1862 break;
1863 case ST_F_SMAX:
1864 metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
1865 break;
1866 case ST_F_SLIM:
1867 metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
1868 break;
1869 case ST_F_STOT:
1870 metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
1871 break;
1872 case ST_F_RATE:
1873 metric = mkf_u32(FN_RATE, read_freq_ctr(&sv->sess_per_sec));
1874 break;
1875 case ST_F_RATE_MAX:
1876 metric = mkf_u32(FN_MAX, sv->counters.sps_max);
1877 break;
1878 case ST_F_LASTSESS:
1879 metric = mkf_s32(FN_AGE, srv_lastsession(sv));
1880 break;
1881 case ST_F_QCUR:
1882 metric = mkf_u32(0, sv->nbpend);
1883 break;
1884 case ST_F_QMAX:
1885 metric = mkf_u32(FN_MAX, sv->counters.nbpend_max);
1886 break;
1887 case ST_F_QLIMIT:
1888 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
1889 break;
1890 case ST_F_BIN:
1891 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in);
1892 break;
1893 case ST_F_BOUT:
1894 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out);
1895 break;
1896 case ST_F_QTIME:
1897 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.q_time, TIME_STATS_SAMPLES));
1898 break;
1899 case ST_F_CTIME:
1900 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.c_time, TIME_STATS_SAMPLES));
1901 break;
1902 case ST_F_RTIME:
1903 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.d_time, TIME_STATS_SAMPLES));
1904 break;
1905 case ST_F_TTIME:
1906 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.t_time, TIME_STATS_SAMPLES));
1907 break;
1908 case ST_F_CONNECT:
1909 metric = mkf_u64(FN_COUNTER, sv->counters.connect);
1910 break;
1911 case ST_F_REUSE:
1912 metric = mkf_u64(FN_COUNTER, sv->counters.reuse);
1913 break;
1914 case ST_F_DRESP:
1915 metric = mkf_u64(FN_COUNTER, sv->counters.failed_secu);
1916 break;
1917 case ST_F_ECON:
1918 metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns);
1919 break;
1920 case ST_F_ERESP:
1921 metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp);
1922 break;
1923 case ST_F_WRETR:
1924 metric = mkf_u64(FN_COUNTER, sv->counters.retries);
1925 break;
1926 case ST_F_WREDIS:
1927 metric = mkf_u64(FN_COUNTER, sv->counters.redispatches);
1928 break;
1929 case ST_F_WREW:
1930 metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites);
1931 break;
1932 case ST_F_CLI_ABRT:
1933 metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts);
1934 break;
1935 case ST_F_SRV_ABRT:
1936 metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts);
1937 break;
1938 case ST_F_WEIGHT:
1939 weight = (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv;
1940 metric = mkf_u32(FN_AVG, weight);
1941 break;
1942 case ST_F_CHKFAIL:
1943 metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks);
1944 break;
1945 case ST_F_CHKDOWN:
1946 metric = mkf_u64(FN_COUNTER, sv->counters.down_trans);
1947 break;
1948 case ST_F_DOWNTIME:
1949 metric = mkf_u32(FN_COUNTER, srv_downtime(sv));
1950 break;
1951 case ST_F_LASTCHG:
1952 metric = mkf_u32(FN_AGE, now.tv_sec - sv->last_change);
1953 break;
1954 case ST_F_THROTTLE:
1955 metric = mkf_u32(FN_AVG, server_throttle_rate(sv));
1956 break;
1957 case ST_F_LBTOT:
1958 metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn);
1959 break;
1960 case ST_F_HRSP_1XX:
1961 if (px->mode != PR_MODE_HTTP)
1962 goto next_px;
1963 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]);
1964 break;
1965 case ST_F_HRSP_2XX:
1966 if (px->mode != PR_MODE_HTTP)
1967 goto next_px;
1968 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1969 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]);
1970 break;
1971 case ST_F_HRSP_3XX:
1972 if (px->mode != PR_MODE_HTTP)
1973 goto next_px;
1974 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1975 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]);
1976 break;
1977 case ST_F_HRSP_4XX:
1978 if (px->mode != PR_MODE_HTTP)
1979 goto next_px;
1980 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1981 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]);
1982 break;
1983 case ST_F_HRSP_5XX:
1984 if (px->mode != PR_MODE_HTTP)
1985 goto next_px;
1986 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1987 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]);
1988 break;
1989 case ST_F_HRSP_OTHER:
1990 if (px->mode != PR_MODE_HTTP)
1991 goto next_px;
1992 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1993 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]);
1994 break;
1995
1996 default:
1997 goto next_metric;
1998 }
1999
2000 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
2001 goto full;
2002
2003 appctx->ctx.stats.sv = sv->next;
2004 }
2005
2006 next_px:
2007 appctx->ctx.stats.px = px->next;
2008 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
2009 }
2010 next_metric:
2011 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
2012 appctx->ctx.stats.px = proxies_list;
2013 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
2014 appctx->st2 = promex_srv_metrics[appctx->st2];
2015 }
2016
2017
2018 end:
2019 if (!htx_add_data(htx, out))
2020 return -1; /* Unexpected and unrecoverable error */
2021 channel_add_input(chn, out.len);
2022 return ret;
2023 full:
2024 ret = 0;
2025 goto end;
2026}
2027
2028/* Dump all metrics (global, frontends, backends and servers) depending on the
2029 * dumper state (appctx->st1). It returns 1 on success, 0 if <htx> is full and
2030 * -1 in case of any error. */
2031static int promex_dump_metrics(struct appctx *appctx, struct stream_interface *si, struct htx *htx)
2032{
2033 int ret;
2034
2035 switch (appctx->st1) {
2036 case PROMEX_DUMPER_INIT:
2037 appctx->ctx.stats.px = NULL;
2038 appctx->ctx.stats.sv = NULL;
2039 appctx->ctx.stats.flags = (PROMEX_FL_METRIC_HDR|PROMEX_FL_INFO_METRIC);
2040 appctx->st2 = promex_global_metrics[INF_NAME];
2041 appctx->st1 = PROMEX_DUMPER_GLOBAL;
2042 /* fall through */
2043
2044 case PROMEX_DUMPER_GLOBAL:
2045 ret = promex_dump_global_metrics(appctx, htx);
2046 if (ret <= 0) {
2047 if (ret == -1)
2048 goto error;
2049 goto full;
2050 }
2051
2052 appctx->ctx.stats.px = proxies_list;
2053 appctx->ctx.stats.sv = NULL;
2054 appctx->ctx.stats.flags = (PROMEX_FL_METRIC_HDR|PROMEX_FL_STATS_METRIC);
2055 appctx->st2 = promex_front_metrics[ST_F_PXNAME];
2056 appctx->st1 = PROMEX_DUMPER_FRONT;
2057 /* fall through */
2058
2059 case PROMEX_DUMPER_FRONT:
2060 ret = promex_dump_front_metrics(appctx, htx);
2061 if (ret <= 0) {
2062 if (ret == -1)
2063 goto error;
2064 goto full;
2065 }
2066
2067 appctx->ctx.stats.px = proxies_list;
2068 appctx->ctx.stats.sv = NULL;
2069 appctx->ctx.stats.flags = (PROMEX_FL_METRIC_HDR|PROMEX_FL_STATS_METRIC);
2070 appctx->st2 = promex_back_metrics[ST_F_PXNAME];
2071 appctx->st1 = PROMEX_DUMPER_BACK;
2072 /* fall through */
2073
2074 case PROMEX_DUMPER_BACK:
2075 ret = promex_dump_back_metrics(appctx, htx);
2076 if (ret <= 0) {
2077 if (ret == -1)
2078 goto error;
2079 goto full;
2080 }
2081
2082 appctx->ctx.stats.px = proxies_list;
2083 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
2084 appctx->ctx.stats.flags = (PROMEX_FL_METRIC_HDR|PROMEX_FL_STATS_METRIC);
2085 appctx->st2 = promex_srv_metrics[ST_F_PXNAME];
2086 appctx->st1 = PROMEX_DUMPER_SRV;
2087 /* fall through */
2088
2089 case PROMEX_DUMPER_SRV:
2090 ret = promex_dump_srv_metrics(appctx, htx);
2091 if (ret <= 0) {
2092 if (ret == -1)
2093 goto error;
2094 goto full;
2095 }
2096
2097 appctx->ctx.stats.px = NULL;
2098 appctx->ctx.stats.sv = NULL;
2099 appctx->ctx.stats.flags = 0;
2100 appctx->st2 = 0;
2101 appctx->st1 = PROMEX_DUMPER_DONE;
2102 /* fall through */
2103
2104 case PROMEX_DUMPER_DONE:
2105 default:
2106 break;
2107 }
2108
2109 return 1;
2110
2111 full:
2112 si_rx_room_blk(si);
2113 return 0;
2114 error:
2115 /* unrecoverable error */
2116 appctx->ctx.stats.px = NULL;
2117 appctx->ctx.stats.sv = NULL;
2118 appctx->ctx.stats.flags = 0;
2119 appctx->st2 = 0;
2120 appctx->st1 = PROMEX_DUMPER_DONE;
2121 return -1;
2122}
2123
2124/* Send HTTP headers of the response. It returns 1 on success and 0 if <htx> is
2125 * full. */
2126static int promex_send_headers(struct appctx *appctx, struct stream_interface *si, struct htx *htx)
2127{
2128 struct htx_sl *sl;
2129 unsigned int flags;
2130
2131 flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_ENC|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
2132 sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK"));
2133 if (!sl)
2134 goto full;
2135 sl->info.res.status = 200;
2136 if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) ||
2137 !htx_add_header(htx, ist("Connection"), ist("close")) ||
2138 !htx_add_header(htx, ist("Content-Type"), ist("text/plain; version=0.0.4")) ||
2139 !htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")) ||
2140 !htx_add_endof(htx, HTX_BLK_EOH))
2141 goto full;
2142
2143 return 1;
2144 full:
2145 htx_reset(htx);
2146 si_rx_room_blk(si);
2147 return 0;
2148}
2149
2150/* The function returns 1 if the initialisation is complete, 0 if
2151 * an errors occurs and -1 if more data are required for initializing
2152 * the applet.
2153 */
2154static int promex_appctx_init(struct appctx *appctx, struct proxy *px, struct stream *strm)
2155{
2156 appctx->st0 = PROMEX_ST_INIT;
2157 return 1;
2158}
2159
2160/* The main I/O handler for the promex applet. */
2161static void promex_appctx_handle_io(struct appctx *appctx)
2162{
2163 struct stream_interface *si = appctx->owner;
2164 struct stream *s = si_strm(si);
2165 struct channel *req = si_oc(si);
2166 struct channel *res = si_ic(si);
2167 struct htx *req_htx, *res_htx;
2168 int ret;
2169
2170 res_htx = htx_from_buf(&res->buf);
2171
2172 if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
2173 goto out;
2174
2175 /* Check if the input buffer is avalaible. */
2176 if (!b_size(&res->buf)) {
2177 si_rx_room_blk(si);
2178 goto out;
2179 }
2180
2181 switch (appctx->st0) {
2182 case PROMEX_ST_INIT:
2183 appctx->st0 = PROMEX_ST_HEAD;
2184 appctx->st1 = PROMEX_DUMPER_INIT;
2185 /* fall through */
2186
2187 case PROMEX_ST_HEAD:
2188 if (!promex_send_headers(appctx, si, res_htx))
2189 goto out;
2190 appctx->st0 = ((s->txn->meth == HTTP_METH_HEAD) ? PROMEX_ST_DONE : PROMEX_ST_DUMP);
2191 /* fall through */
2192
2193 case PROMEX_ST_DUMP:
2194 ret = promex_dump_metrics(appctx, si, res_htx);
2195 if (ret <= 0) {
2196 if (ret == -1)
2197 goto error;
2198 goto out;
2199 }
2200 appctx->st0 = PROMEX_ST_DONE;
2201 /* fall through */
2202
2203 case PROMEX_ST_DONE:
2204 /* Don't add EOD and TLR because mux-h1 will take care of it */
2205 if (!htx_add_endof(res_htx, HTX_BLK_EOM)) {
2206 si_rx_room_blk(si);
2207 goto out;
2208 }
2209 res->flags |= CF_READ_NULL;
2210
2211 /* eat the whole request */
2212 req_htx = htxbuf(&req->buf);
2213 htx_reset(req_htx);
2214 htx_to_buf(req_htx, &req->buf);
2215 co_set_data(req, 0);
2216
2217 /* Set SI flags */
2218 if (!(s->flags & SF_ERR_MASK)) // this is not really an error but it is
2219 s->flags |= SF_ERR_LOCAL; // to mark that it comes from the proxy
2220 if (!(s->flags & SF_FINST_MASK))
2221 s->flags |= SF_FINST_R;
2222
2223 si_shutr(si);
2224
2225 case PROMEX_ST_ERROR:
2226 return;
2227 }
2228
2229 if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST))
2230 si_shutw(si);
2231
2232 out:
2233 htx_to_buf(res_htx, &res->buf);
2234 if (!channel_is_empty(res))
2235 si_stop_get(si);
2236 return;
2237
2238 error:
2239 res->flags |= CF_READ_NULL;
2240 si_shutr(si);
2241 si_shutw(si);
2242}
2243
2244struct applet promex_applet = {
2245 .obj_type = OBJ_TYPE_APPLET,
2246 .name = "<PROMEX>", /* used for logging */
2247 .init = promex_appctx_init,
2248 .fct = promex_appctx_handle_io,
2249};
2250
2251static enum act_parse_ret service_parse_prometheus_exporter(const char **args, int *cur_arg, struct proxy *px,
2252 struct act_rule *rule, char **err)
2253{
2254 /* Prometheus exporter service is only available on "http-request" rulesets */
2255 if (rule->from != ACT_F_HTTP_REQ) {
2256 memprintf(err, "Prometheus exporter service only available on 'http-request' rulesets");
2257 return ACT_RET_PRS_ERR;
2258 }
2259 if (!(px->options2 & PR_O2_USE_HTX)) {
2260 memprintf(err, "Prometheus exporter service only available for HTX proxies");
2261 return ACT_RET_PRS_ERR;
2262 }
2263
2264 /* Add applet pointer in the rule. */
2265 rule->applet = promex_applet;
2266
2267 return ACT_RET_PRS_OK;
2268}
2269static void promex_register_build_options(void)
2270{
2271 char *ptr = NULL;
2272
2273 memprintf(&ptr, "Built with the Prometheus exporter as a service");
2274 hap_register_build_opts(ptr, 1);
2275}
2276
2277
2278static struct action_kw_list service_actions = { ILH, {
2279 { "prometheus-exporter", service_parse_prometheus_exporter },
2280 { /* END */ }
2281}};
2282
2283INITCALL1(STG_REGISTER, service_keywords_register, &service_actions);
2284INITCALL0(STG_REGISTER, promex_register_build_options);