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Christopher Fauletf959d082019-02-07 15:38:42 +01001/*
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
Willy Tarreau122eba92020-06-04 10:15:32 +020016#include <haproxy/action-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020017#include <haproxy/api.h>
Willy Tarreau3f0f82e2020-06-04 19:42:41 +020018#include <haproxy/applet.h>
Willy Tarreau49801602020-06-04 22:50:02 +020019#include <haproxy/backend.h>
Willy Tarreau6be78492020-06-05 00:00:29 +020020#include <haproxy/cfgparse.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020021#include <haproxy/compression.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020022#include <haproxy/frontend.h>
Willy Tarreauf268ee82020-06-04 17:05:57 +020023#include <haproxy/global.h>
Willy Tarreaucd72d8c2020-06-02 19:11:26 +020024#include <haproxy/http.h>
Willy Tarreau87735332020-06-04 09:08:41 +020025#include <haproxy/http_htx.h>
Willy Tarreau16f958c2020-06-03 08:44:35 +020026#include <haproxy/htx.h>
Willy Tarreau36979d92020-06-05 17:27:29 +020027#include <haproxy/list.h>
Willy Tarreau213e9902020-06-04 14:58:24 +020028#include <haproxy/listener.h>
Willy Tarreau36979d92020-06-05 17:27:29 +020029#include <haproxy/log.h>
Willy Tarreau551271d2020-06-04 08:32:23 +020030#include <haproxy/pipe.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020031#include <haproxy/pool.h>
Willy Tarreaua264d962020-06-04 22:29:18 +020032#include <haproxy/proxy.h>
Willy Tarreaue6ce10b2020-06-04 15:33:47 +020033#include <haproxy/sample.h>
Willy Tarreau1e56f922020-06-04 23:20:13 +020034#include <haproxy/server.h>
Willy Tarreau209108d2020-06-04 20:30:20 +020035#include <haproxy/ssl_sock.h>
Willy Tarreau2eec9b52020-06-04 19:58:55 +020036#include <haproxy/stats.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020037#include <haproxy/stream.h>
Willy Tarreau5e539c92020-06-04 20:45:39 +020038#include <haproxy/stream_interface.h>
Willy Tarreaucea0e1b2020-06-04 17:25:40 +020039#include <haproxy/task.h>
Christopher Fauletf959d082019-02-07 15:38:42 +010040
41/* Prometheus exporter applet states (appctx->st0) */
42enum {
43 PROMEX_ST_INIT = 0, /* initialized */
44 PROMEX_ST_HEAD, /* send headers before dump */
45 PROMEX_ST_DUMP, /* dumping stats */
46 PROMEX_ST_DONE, /* finished */
Christopher Faulet9744f7c2019-03-27 15:48:53 +010047 PROMEX_ST_END, /* treatment terminated */
Christopher Fauletf959d082019-02-07 15:38:42 +010048};
49
50/* Prometheus exporter dumper states (appctx->st1) */
51enum {
52 PROMEX_DUMPER_INIT = 0, /* initialized */
53 PROMEX_DUMPER_GLOBAL, /* dump metrics of globals */
54 PROMEX_DUMPER_FRONT, /* dump metrics of frontend proxies */
55 PROMEX_DUMPER_BACK, /* dump metrics of backend proxies */
56 PROMEX_DUMPER_LI, /* dump metrics of listeners */
57 PROMEX_DUMPER_SRV, /* dump metrics of servers */
58 PROMEX_DUMPER_DONE, /* finished */
59};
60
61/* Prometheus exporter flags (appctx->ctx.stats.flags) */
62#define PROMEX_FL_METRIC_HDR 0x00000001
63#define PROMEX_FL_INFO_METRIC 0x00000002
64#define PROMEX_FL_STATS_METRIC 0x00000004
Christopher Faulet78407ce2019-11-18 14:47:08 +010065#define PROMEX_FL_SCOPE_GLOBAL 0x00000008
66#define PROMEX_FL_SCOPE_FRONT 0x00000010
67#define PROMEX_FL_SCOPE_BACK 0x00000020
68#define PROMEX_FL_SCOPE_SERVER 0x00000040
Christopher Fauleteba22942019-11-19 14:18:24 +010069#define PROMEX_FL_NO_MAINT_SRV 0x00000080
Christopher Faulet78407ce2019-11-18 14:47:08 +010070
71#define PROMEX_FL_SCOPE_ALL (PROMEX_FL_SCOPE_GLOBAL|PROMEX_FL_SCOPE_FRONT|PROMEX_FL_SCOPE_BACK|PROMEX_FL_SCOPE_SERVER)
Christopher Fauletf959d082019-02-07 15:38:42 +010072
73/* The max length for metrics name. It is a hard limit but it should be
Ilya Shipitsince7b00f2020-03-23 22:28:40 +050074 * enough.
Christopher Fauletf959d082019-02-07 15:38:42 +010075 */
76#define PROMEX_MAX_NAME_LEN 128
77
78/* The expected max length for a metric dump, including its header lines. It is
79 * just a soft limit to avoid extra work. We don't try to dump a metric if less
80 * than this size is available in the HTX.
81 */
82#define PROMEX_MAX_METRIC_LENGTH 512
83
84/* Matrix used to dump global metrics. Each metric points to the next one to be
85 * processed or 0 to stop the dump. */
86const int promex_global_metrics[INF_TOTAL_FIELDS] = {
87 [INF_NAME] = INF_NBTHREAD,
88 [INF_VERSION] = 0,
89 [INF_RELEASE_DATE] = 0,
90 [INF_NBTHREAD] = INF_NBPROC,
91 [INF_NBPROC] = INF_PROCESS_NUM,
92 [INF_PROCESS_NUM] = INF_UPTIME_SEC,
93 [INF_PID] = 0,
94 [INF_UPTIME] = 0,
95 [INF_UPTIME_SEC] = INF_MEMMAX_MB,
96 [INF_MEMMAX_MB] = INF_POOL_ALLOC_MB,
97 [INF_POOL_ALLOC_MB] = INF_POOL_USED_MB,
98 [INF_POOL_USED_MB] = INF_POOL_FAILED,
99 [INF_POOL_FAILED] = INF_ULIMIT_N,
100 [INF_ULIMIT_N] = INF_MAXSOCK,
101 [INF_MAXSOCK] = INF_MAXCONN,
102 [INF_MAXCONN] = INF_HARD_MAXCONN,
103 [INF_HARD_MAXCONN] = INF_CURR_CONN,
104 [INF_CURR_CONN] = INF_CUM_CONN,
105 [INF_CUM_CONN] = INF_CUM_REQ,
106 [INF_CUM_REQ] = INF_MAX_SSL_CONNS,
107 [INF_MAX_SSL_CONNS] = INF_CURR_SSL_CONNS,
108 [INF_CURR_SSL_CONNS] = INF_CUM_SSL_CONNS,
109 [INF_CUM_SSL_CONNS] = INF_MAXPIPES,
110 [INF_MAXPIPES] = INF_PIPES_USED,
111 [INF_PIPES_USED] = INF_PIPES_FREE,
112 [INF_PIPES_FREE] = INF_CONN_RATE,
113 [INF_CONN_RATE] = INF_CONN_RATE_LIMIT,
114 [INF_CONN_RATE_LIMIT] = INF_MAX_CONN_RATE,
115 [INF_MAX_CONN_RATE] = INF_SESS_RATE,
116 [INF_SESS_RATE] = INF_SESS_RATE_LIMIT,
117 [INF_SESS_RATE_LIMIT] = INF_MAX_SESS_RATE,
118 [INF_MAX_SESS_RATE] = INF_SSL_RATE,
119 [INF_SSL_RATE] = INF_SSL_RATE_LIMIT,
120 [INF_SSL_RATE_LIMIT] = INF_MAX_SSL_RATE,
121 [INF_MAX_SSL_RATE] = INF_SSL_FRONTEND_KEY_RATE,
122 [INF_SSL_FRONTEND_KEY_RATE] = INF_SSL_FRONTEND_MAX_KEY_RATE,
123 [INF_SSL_FRONTEND_MAX_KEY_RATE] = INF_SSL_FRONTEND_SESSION_REUSE_PCT,
124 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = INF_SSL_BACKEND_KEY_RATE,
125 [INF_SSL_BACKEND_KEY_RATE] = INF_SSL_BACKEND_MAX_KEY_RATE,
126 [INF_SSL_BACKEND_MAX_KEY_RATE] = INF_SSL_CACHE_LOOKUPS,
127 [INF_SSL_CACHE_LOOKUPS] = INF_SSL_CACHE_MISSES,
128 [INF_SSL_CACHE_MISSES] = INF_COMPRESS_BPS_IN,
129 [INF_COMPRESS_BPS_IN] = INF_COMPRESS_BPS_OUT,
130 [INF_COMPRESS_BPS_OUT] = INF_COMPRESS_BPS_RATE_LIM,
131 [INF_COMPRESS_BPS_RATE_LIM] = INF_ZLIB_MEM_USAGE,
132 [INF_ZLIB_MEM_USAGE] = INF_MAX_ZLIB_MEM_USAGE,
133 [INF_MAX_ZLIB_MEM_USAGE] = INF_TASKS,
134 [INF_TASKS] = INF_RUN_QUEUE,
135 [INF_RUN_QUEUE] = INF_IDLE_PCT,
136 [INF_IDLE_PCT] = INF_STOPPING,
137 [INF_NODE] = 0,
138 [INF_DESCRIPTION] = 0,
139 [INF_STOPPING] = INF_JOBS,
140 [INF_JOBS] = INF_UNSTOPPABLE_JOBS,
141 [INF_UNSTOPPABLE_JOBS] = INF_LISTENERS,
142 [INF_LISTENERS] = INF_ACTIVE_PEERS,
143 [INF_ACTIVE_PEERS] = INF_CONNECTED_PEERS,
144 [INF_CONNECTED_PEERS] = INF_DROPPED_LOGS,
145 [INF_DROPPED_LOGS] = INF_BUSY_POLLING,
146 [INF_BUSY_POLLING] = 0,
147};
148
149/* Matrix used to dump frontend metrics. Each metric points to the next one to be
150 * processed or 0 to stop the dump. */
151const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
152 [ST_F_PXNAME] = ST_F_STATUS,
153 [ST_F_SVNAME] = 0,
154 [ST_F_QCUR] = 0,
155 [ST_F_QMAX] = 0,
156 [ST_F_SCUR] = ST_F_SMAX,
157 [ST_F_SMAX] = ST_F_SLIM,
158 [ST_F_SLIM] = ST_F_STOT,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200159 [ST_F_STOT] = ST_F_RATE_LIM,
Christopher Fauletf959d082019-02-07 15:38:42 +0100160 [ST_F_BIN] = ST_F_BOUT,
161 [ST_F_BOUT] = ST_F_DREQ,
162 [ST_F_DREQ] = ST_F_DRESP,
163 [ST_F_DRESP] = ST_F_EREQ,
164 [ST_F_EREQ] = ST_F_DCON,
165 [ST_F_ECON] = 0,
166 [ST_F_ERESP] = 0,
167 [ST_F_WRETR] = 0,
168 [ST_F_WREDIS] = 0,
169 [ST_F_STATUS] = ST_F_SCUR,
170 [ST_F_WEIGHT] = 0,
171 [ST_F_ACT] = 0,
172 [ST_F_BCK] = 0,
173 [ST_F_CHKFAIL] = 0,
174 [ST_F_CHKDOWN] = 0,
175 [ST_F_LASTCHG] = 0,
176 [ST_F_DOWNTIME] = 0,
177 [ST_F_QLIMIT] = 0,
178 [ST_F_PID] = 0,
179 [ST_F_IID] = 0,
180 [ST_F_SID] = 0,
181 [ST_F_THROTTLE] = 0,
182 [ST_F_LBTOT] = 0,
183 [ST_F_TRACKED] = 0,
184 [ST_F_TYPE] = 0,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200185 [ST_F_RATE] = 0,
Christopher Fauletf959d082019-02-07 15:38:42 +0100186 [ST_F_RATE_LIM] = ST_F_RATE_MAX,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200187 [ST_F_RATE_MAX] = ST_F_CONN_RATE_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100188 [ST_F_CHECK_STATUS] = 0,
189 [ST_F_CHECK_CODE] = 0,
190 [ST_F_CHECK_DURATION] = 0,
191 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
192 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
193 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
194 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
195 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
196 [ST_F_HRSP_OTHER] = ST_F_INTERCEPTED,
197 [ST_F_HANAFAIL] = 0,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200198 [ST_F_REQ_RATE] = 0,
Christopher Fauletf959d082019-02-07 15:38:42 +0100199 [ST_F_REQ_RATE_MAX] = ST_F_REQ_TOT,
200 [ST_F_REQ_TOT] = ST_F_HRSP_1XX,
201 [ST_F_CLI_ABRT] = 0,
202 [ST_F_SRV_ABRT] = 0,
203 [ST_F_COMP_IN] = ST_F_COMP_OUT,
204 [ST_F_COMP_OUT] = ST_F_COMP_BYP,
205 [ST_F_COMP_BYP] = ST_F_COMP_RSP,
206 [ST_F_COMP_RSP] = 0,
207 [ST_F_LASTSESS] = 0,
208 [ST_F_LAST_CHK] = 0,
209 [ST_F_LAST_AGT] = 0,
210 [ST_F_QTIME] = 0,
211 [ST_F_CTIME] = 0,
212 [ST_F_RTIME] = 0,
213 [ST_F_TTIME] = 0,
214 [ST_F_AGENT_STATUS] = 0,
215 [ST_F_AGENT_CODE] = 0,
216 [ST_F_AGENT_DURATION] = 0,
217 [ST_F_CHECK_DESC] = 0,
218 [ST_F_AGENT_DESC] = 0,
219 [ST_F_CHECK_RISE] = 0,
220 [ST_F_CHECK_FALL] = 0,
221 [ST_F_CHECK_HEALTH] = 0,
222 [ST_F_AGENT_RISE] = 0,
223 [ST_F_AGENT_FALL] = 0,
224 [ST_F_AGENT_HEALTH] = 0,
225 [ST_F_ADDR] = 0,
226 [ST_F_COOKIE] = 0,
227 [ST_F_MODE] = 0,
228 [ST_F_ALGO] = 0,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200229 [ST_F_CONN_RATE] = 0,
Christopher Fauletf959d082019-02-07 15:38:42 +0100230 [ST_F_CONN_RATE_MAX] = ST_F_CONN_TOT,
231 [ST_F_CONN_TOT] = ST_F_BIN,
232 [ST_F_INTERCEPTED] = ST_F_CACHE_LOOKUPS,
233 [ST_F_DCON] = ST_F_DSES,
234 [ST_F_DSES] = ST_F_WREW,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100235 [ST_F_WREW] = ST_F_EINT,
Christopher Fauletf959d082019-02-07 15:38:42 +0100236 [ST_F_CONNECT] = 0,
237 [ST_F_REUSE] = 0,
238 [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS,
239 [ST_F_CACHE_HITS] = ST_F_COMP_IN,
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100240 [ST_F_SRV_ICUR] = 0,
241 [ST_F_SRV_ILIM] = 0,
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100242 [ST_F_QT_MAX] = 0,
243 [ST_F_CT_MAX] = 0,
244 [ST_F_RT_MAX] = 0,
245 [ST_F_TT_MAX] = 0,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100246 [ST_F_EINT] = ST_F_REQ_RATE_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100247};
248
249/* Matrix used to dump backend metrics. Each metric points to the next one to be
250 * processed or 0 to stop the dump. */
251const int promex_back_metrics[ST_F_TOTAL_FIELDS] = {
252 [ST_F_PXNAME] = ST_F_STATUS,
253 [ST_F_SVNAME] = 0,
254 [ST_F_QCUR] = ST_F_QMAX,
255 [ST_F_QMAX] = ST_F_CONNECT,
256 [ST_F_SCUR] = ST_F_SMAX,
257 [ST_F_SMAX] = ST_F_SLIM,
258 [ST_F_SLIM] = ST_F_STOT,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200259 [ST_F_STOT] = ST_F_RATE_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100260 [ST_F_BIN] = ST_F_BOUT,
261 [ST_F_BOUT] = ST_F_QTIME,
262 [ST_F_DREQ] = ST_F_DRESP,
263 [ST_F_DRESP] = ST_F_ECON,
264 [ST_F_EREQ] = 0,
265 [ST_F_ECON] = ST_F_ERESP,
266 [ST_F_ERESP] = ST_F_WRETR,
267 [ST_F_WRETR] = ST_F_WREDIS,
268 [ST_F_WREDIS] = ST_F_WREW,
269 [ST_F_STATUS] = ST_F_SCUR,
270 [ST_F_WEIGHT] = ST_F_ACT,
271 [ST_F_ACT] = ST_F_BCK,
272 [ST_F_BCK] = ST_F_CHKDOWN,
273 [ST_F_CHKFAIL] = 0,
274 [ST_F_CHKDOWN] = ST_F_LASTCHG,
275 [ST_F_LASTCHG] = ST_F_DOWNTIME,
276 [ST_F_DOWNTIME] = ST_F_LBTOT,
277 [ST_F_QLIMIT] = 0,
278 [ST_F_PID] = 0,
279 [ST_F_IID] = 0,
280 [ST_F_SID] = 0,
281 [ST_F_THROTTLE] = 0,
282 [ST_F_LBTOT] = ST_F_REQ_TOT,
283 [ST_F_TRACKED] = 9,
284 [ST_F_TYPE] = 0,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200285 [ST_F_RATE] = 0,
Christopher Fauletf959d082019-02-07 15:38:42 +0100286 [ST_F_RATE_LIM] = 0,
287 [ST_F_RATE_MAX] = ST_F_LASTSESS,
288 [ST_F_CHECK_STATUS] = 0,
289 [ST_F_CHECK_CODE] = 0,
290 [ST_F_CHECK_DURATION] = 0,
291 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
292 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
293 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
294 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
295 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
296 [ST_F_HRSP_OTHER] = ST_F_CACHE_LOOKUPS,
297 [ST_F_HANAFAIL] = 0,
298 [ST_F_REQ_RATE] = 0,
299 [ST_F_REQ_RATE_MAX] = 0,
300 [ST_F_REQ_TOT] = ST_F_HRSP_1XX,
301 [ST_F_CLI_ABRT] = ST_F_SRV_ABRT,
302 [ST_F_SRV_ABRT] = ST_F_WEIGHT,
303 [ST_F_COMP_IN] = ST_F_COMP_OUT,
304 [ST_F_COMP_OUT] = ST_F_COMP_BYP,
305 [ST_F_COMP_BYP] = ST_F_COMP_RSP,
306 [ST_F_COMP_RSP] = 0,
307 [ST_F_LASTSESS] = ST_F_QCUR,
308 [ST_F_LAST_CHK] = 0,
309 [ST_F_LAST_AGT] = 0,
310 [ST_F_QTIME] = ST_F_CTIME,
311 [ST_F_CTIME] = ST_F_RTIME,
312 [ST_F_RTIME] = ST_F_TTIME,
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100313 [ST_F_TTIME] = ST_F_QT_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100314 [ST_F_AGENT_STATUS] = 0,
315 [ST_F_AGENT_CODE] = 0,
316 [ST_F_AGENT_DURATION] = 0,
317 [ST_F_CHECK_DESC] = 0,
318 [ST_F_AGENT_DESC] = 0,
319 [ST_F_CHECK_RISE] = 0,
320 [ST_F_CHECK_FALL] = 0,
321 [ST_F_CHECK_HEALTH] = 0,
322 [ST_F_AGENT_RISE] = 0,
323 [ST_F_AGENT_FALL] = 0,
324 [ST_F_AGENT_HEALTH] = 0,
325 [ST_F_ADDR] = 0,
326 [ST_F_COOKIE] = 0,
327 [ST_F_MODE] = 0,
328 [ST_F_ALGO] = 0,
329 [ST_F_CONN_RATE] = 0,
330 [ST_F_CONN_RATE_MAX] = 0,
331 [ST_F_CONN_TOT] = 0,
332 [ST_F_INTERCEPTED] = 0,
333 [ST_F_DCON] = 0,
334 [ST_F_DSES] = 0,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100335 [ST_F_WREW] = ST_F_EINT,
Christopher Fauletf959d082019-02-07 15:38:42 +0100336 [ST_F_CONNECT] = ST_F_REUSE,
337 [ST_F_REUSE] = ST_F_BIN,
338 [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS,
339 [ST_F_CACHE_HITS] = ST_F_COMP_IN,
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100340 [ST_F_SRV_ICUR] = 0,
341 [ST_F_SRV_ILIM] = 0,
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100342 [ST_F_QT_MAX] = ST_F_CT_MAX,
343 [ST_F_CT_MAX] = ST_F_RT_MAX,
344 [ST_F_RT_MAX] = ST_F_TT_MAX,
345 [ST_F_TT_MAX] = ST_F_DREQ,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100346 [ST_F_EINT] = ST_F_CLI_ABRT,
Christopher Fauletf959d082019-02-07 15:38:42 +0100347};
348
349/* Matrix used to dump server metrics. Each metric points to the next one to be
350 * processed or 0 to stop the dump. */
351const int promex_srv_metrics[ST_F_TOTAL_FIELDS] = {
352 [ST_F_PXNAME] = ST_F_STATUS,
353 [ST_F_SVNAME] = 0,
354 [ST_F_QCUR] = ST_F_QMAX,
355 [ST_F_QMAX] = ST_F_QLIMIT,
356 [ST_F_SCUR] = ST_F_SMAX,
357 [ST_F_SMAX] = ST_F_SLIM,
358 [ST_F_SLIM] = ST_F_STOT,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200359 [ST_F_STOT] = ST_F_RATE_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100360 [ST_F_BIN] = ST_F_BOUT,
361 [ST_F_BOUT] = ST_F_QTIME,
362 [ST_F_DREQ] = 0,
363 [ST_F_DRESP] = ST_F_ECON,
364 [ST_F_EREQ] = 0,
365 [ST_F_ECON] = ST_F_ERESP,
366 [ST_F_ERESP] = ST_F_WRETR,
367 [ST_F_WRETR] = ST_F_WREDIS,
368 [ST_F_WREDIS] = ST_F_WREW,
369 [ST_F_STATUS] = ST_F_SCUR,
Christopher Fauletcf403f32019-11-21 14:35:46 +0100370 [ST_F_WEIGHT] = ST_F_CHECK_STATUS,
Christopher Fauletf959d082019-02-07 15:38:42 +0100371 [ST_F_ACT] = 0,
372 [ST_F_BCK] = 0,
373 [ST_F_CHKFAIL] = ST_F_CHKDOWN,
374 [ST_F_CHKDOWN] = ST_F_DOWNTIME,
375 [ST_F_LASTCHG] = ST_F_THROTTLE,
376 [ST_F_DOWNTIME] = ST_F_LASTCHG,
377 [ST_F_QLIMIT] = ST_F_BIN,
378 [ST_F_PID] = 0,
379 [ST_F_IID] = 0,
380 [ST_F_SID] = 0,
381 [ST_F_THROTTLE] = ST_F_LBTOT,
382 [ST_F_LBTOT] = ST_F_HRSP_1XX,
383 [ST_F_TRACKED] = 0,
384 [ST_F_TYPE] = 0,
Christopher Fauletc58fc0d2019-04-18 10:10:49 +0200385 [ST_F_RATE] = 0,
Christopher Fauletf959d082019-02-07 15:38:42 +0100386 [ST_F_RATE_LIM] = 0,
387 [ST_F_RATE_MAX] = ST_F_LASTSESS,
Christopher Fauletcf403f32019-11-21 14:35:46 +0100388 [ST_F_CHECK_STATUS] = ST_F_CHECK_CODE,
Christopher Faulet2711e512020-02-27 16:12:07 +0100389 [ST_F_CHECK_CODE] = ST_F_CHECK_DURATION,
390 [ST_F_CHECK_DURATION] = ST_F_CHKFAIL,
Christopher Fauletf959d082019-02-07 15:38:42 +0100391 [ST_F_HRSP_1XX] = ST_F_HRSP_2XX,
392 [ST_F_HRSP_2XX] = ST_F_HRSP_3XX,
393 [ST_F_HRSP_3XX] = ST_F_HRSP_4XX,
394 [ST_F_HRSP_4XX] = ST_F_HRSP_5XX,
395 [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100396 [ST_F_HRSP_OTHER] = ST_F_SRV_ICUR,
Christopher Fauletf959d082019-02-07 15:38:42 +0100397 [ST_F_HANAFAIL] = 0,
398 [ST_F_REQ_RATE] = 0,
399 [ST_F_REQ_RATE_MAX] = 0,
400 [ST_F_REQ_TOT] = 0,
401 [ST_F_CLI_ABRT] = ST_F_SRV_ABRT,
402 [ST_F_SRV_ABRT] = ST_F_WEIGHT,
403 [ST_F_COMP_IN] = 0,
404 [ST_F_COMP_OUT] = 0,
405 [ST_F_COMP_BYP] = 0,
406 [ST_F_COMP_RSP] = 0,
407 [ST_F_LASTSESS] = ST_F_QCUR,
408 [ST_F_LAST_CHK] = 0,
409 [ST_F_LAST_AGT] = 0,
410 [ST_F_QTIME] = ST_F_CTIME,
411 [ST_F_CTIME] = ST_F_RTIME,
412 [ST_F_RTIME] = ST_F_TTIME,
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100413 [ST_F_TTIME] = ST_F_QT_MAX,
Christopher Fauletf959d082019-02-07 15:38:42 +0100414 [ST_F_AGENT_STATUS] = 0,
415 [ST_F_AGENT_CODE] = 0,
416 [ST_F_AGENT_DURATION] = 0,
417 [ST_F_CHECK_DESC] = 0,
418 [ST_F_AGENT_DESC] = 0,
419 [ST_F_CHECK_RISE] = 0,
420 [ST_F_CHECK_FALL] = 0,
421 [ST_F_CHECK_HEALTH] = 0,
422 [ST_F_AGENT_RISE] = 0,
423 [ST_F_AGENT_FALL] = 0,
424 [ST_F_AGENT_HEALTH] = 0,
425 [ST_F_ADDR] = 0,
426 [ST_F_COOKIE] = 0,
427 [ST_F_MODE] = 0,
428 [ST_F_ALGO] = 0,
429 [ST_F_CONN_RATE] = 0,
430 [ST_F_CONN_RATE_MAX] = 0,
431 [ST_F_CONN_TOT] = 0,
432 [ST_F_INTERCEPTED] = 0,
433 [ST_F_DCON] = 0,
434 [ST_F_DSES] = 0,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100435 [ST_F_WREW] = ST_F_EINT,
Christopher Fauletf959d082019-02-07 15:38:42 +0100436 [ST_F_CONNECT] = ST_F_REUSE,
437 [ST_F_REUSE] = ST_F_DRESP,
438 [ST_F_CACHE_LOOKUPS] = 0,
439 [ST_F_CACHE_HITS] = 0,
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100440 [ST_F_SRV_ICUR] = ST_F_SRV_ILIM,
441 [ST_F_SRV_ILIM] = 0,
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100442 [ST_F_QT_MAX] = ST_F_CT_MAX,
443 [ST_F_CT_MAX] = ST_F_RT_MAX,
444 [ST_F_RT_MAX] = ST_F_TT_MAX,
445 [ST_F_TT_MAX] = ST_F_CONNECT,
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100446 [ST_F_EINT] = ST_F_CLI_ABRT,
Christopher Fauletf959d082019-02-07 15:38:42 +0100447};
448
449/* Name of all info fields */
450const struct ist promex_inf_metric_names[INF_TOTAL_FIELDS] = {
451 [INF_NAME] = IST("name"),
452 [INF_VERSION] = IST("version"),
453 [INF_RELEASE_DATE] = IST("release_date"),
454 [INF_NBTHREAD] = IST("nbthread"),
455 [INF_NBPROC] = IST("nbproc"),
456 [INF_PROCESS_NUM] = IST("relative_process_id"),
457 [INF_PID] = IST("pid"),
458 [INF_UPTIME] = IST("uptime"),
Christopher Faulet8c8e4b12019-04-18 10:15:15 +0200459 [INF_UPTIME_SEC] = IST("start_time_seconds"),
460 [INF_MEMMAX_MB] = IST("max_memory_bytes"),
461 [INF_POOL_ALLOC_MB] = IST("pool_allocated_bytes"),
462 [INF_POOL_USED_MB] = IST("pool_used_bytes"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100463 [INF_POOL_FAILED] = IST("pool_failures_total"),
464 [INF_ULIMIT_N] = IST("max_fds"),
465 [INF_MAXSOCK] = IST("max_sockets"),
466 [INF_MAXCONN] = IST("max_connections"),
467 [INF_HARD_MAXCONN] = IST("hard_max_connections"),
468 [INF_CURR_CONN] = IST("current_connections"),
469 [INF_CUM_CONN] = IST("connections_total"),
470 [INF_CUM_REQ] = IST("requests_total"),
471 [INF_MAX_SSL_CONNS] = IST("max_ssl_connections"),
472 [INF_CURR_SSL_CONNS] = IST("current_ssl_connections"),
473 [INF_CUM_SSL_CONNS] = IST("ssl_connections_total"),
474 [INF_MAXPIPES] = IST("max_pipes"),
475 [INF_PIPES_USED] = IST("pipes_used_total"),
476 [INF_PIPES_FREE] = IST("pipes_free_total"),
477 [INF_CONN_RATE] = IST("current_connection_rate"),
478 [INF_CONN_RATE_LIMIT] = IST("limit_connection_rate"),
479 [INF_MAX_CONN_RATE] = IST("max_connection_rate"),
480 [INF_SESS_RATE] = IST("current_session_rate"),
481 [INF_SESS_RATE_LIMIT] = IST("limit_session_rate"),
482 [INF_MAX_SESS_RATE] = IST("max_session_rate"),
483 [INF_SSL_RATE] = IST("current_ssl_rate"),
484 [INF_SSL_RATE_LIMIT] = IST("limit_ssl_rate"),
485 [INF_MAX_SSL_RATE] = IST("max_ssl_rate"),
486 [INF_SSL_FRONTEND_KEY_RATE] = IST("current_frontend_ssl_key_rate"),
487 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("max_frontend_ssl_key_rate"),
488 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("frontent_ssl_reuse"),
489 [INF_SSL_BACKEND_KEY_RATE] = IST("current_backend_ssl_key_rate"),
490 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("max_backend_ssl_key_rate"),
Christopher Faulet8c8e4b12019-04-18 10:15:15 +0200491 [INF_SSL_CACHE_LOOKUPS] = IST("ssl_cache_lookups_total"),
492 [INF_SSL_CACHE_MISSES] = IST("ssl_cache_misses_total"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100493 [INF_COMPRESS_BPS_IN] = IST("http_comp_bytes_in_total"),
494 [INF_COMPRESS_BPS_OUT] = IST("http_comp_bytes_out_total"),
495 [INF_COMPRESS_BPS_RATE_LIM] = IST("limit_http_comp"),
496 [INF_ZLIB_MEM_USAGE] = IST("current_zlib_memory"),
497 [INF_MAX_ZLIB_MEM_USAGE] = IST("max_zlib_memory"),
498 [INF_TASKS] = IST("current_tasks"),
499 [INF_RUN_QUEUE] = IST("current_run_queue"),
500 [INF_IDLE_PCT] = IST("idle_time_percent"),
501 [INF_NODE] = IST("node"),
502 [INF_DESCRIPTION] = IST("description"),
503 [INF_STOPPING] = IST("stopping"),
504 [INF_JOBS] = IST("jobs"),
505 [INF_UNSTOPPABLE_JOBS] = IST("unstoppable_jobs"),
506 [INF_LISTENERS] = IST("listeners"),
507 [INF_ACTIVE_PEERS] = IST("active_peers"),
508 [INF_CONNECTED_PEERS] = IST("connected_peers"),
509 [INF_DROPPED_LOGS] = IST("dropped_logs_total"),
510 [INF_BUSY_POLLING] = IST("busy_polling_enabled"),
511};
512
513/* Name of all stats fields */
514const struct ist promex_st_metric_names[ST_F_TOTAL_FIELDS] = {
515 [ST_F_PXNAME] = IST("proxy_name"),
516 [ST_F_SVNAME] = IST("service_name"),
517 [ST_F_QCUR] = IST("current_queue"),
518 [ST_F_QMAX] = IST("max_queue"),
519 [ST_F_SCUR] = IST("current_sessions"),
520 [ST_F_SMAX] = IST("max_sessions"),
521 [ST_F_SLIM] = IST("limit_sessions"),
522 [ST_F_STOT] = IST("sessions_total"),
523 [ST_F_BIN] = IST("bytes_in_total"),
524 [ST_F_BOUT] = IST("bytes_out_total"),
525 [ST_F_DREQ] = IST("requests_denied_total"),
526 [ST_F_DRESP] = IST("responses_denied_total"),
527 [ST_F_EREQ] = IST("request_errors_total"),
528 [ST_F_ECON] = IST("connection_errors_total"),
529 [ST_F_ERESP] = IST("response_errors_total"),
530 [ST_F_WRETR] = IST("retry_warnings_total"),
531 [ST_F_WREDIS] = IST("redispatch_warnings_total"),
532 [ST_F_STATUS] = IST("status"),
533 [ST_F_WEIGHT] = IST("weight"),
534 [ST_F_ACT] = IST("active_servers"),
535 [ST_F_BCK] = IST("backup_servers"),
536 [ST_F_CHKFAIL] = IST("check_failures_total"),
537 [ST_F_CHKDOWN] = IST("check_up_down_total"),
538 [ST_F_LASTCHG] = IST("check_last_change_seconds"),
539 [ST_F_DOWNTIME] = IST("downtime_seconds_total"),
540 [ST_F_QLIMIT] = IST("queue_limit"),
541 [ST_F_PID] = IST("pid"),
542 [ST_F_IID] = IST("proxy_id"),
543 [ST_F_SID] = IST("server_id"),
544 [ST_F_THROTTLE] = IST("current_throttle"),
545 [ST_F_LBTOT] = IST("loadbalanced_total"),
546 [ST_F_TRACKED] = IST("tracked"),
547 [ST_F_TYPE] = IST("type"),
548 [ST_F_RATE] = IST("current_session_rate"),
549 [ST_F_RATE_LIM] = IST("limit_session_rate"),
550 [ST_F_RATE_MAX] = IST("max_session_rate"),
551 [ST_F_CHECK_STATUS] = IST("check_status"),
552 [ST_F_CHECK_CODE] = IST("check_code"),
Christopher Faulet2711e512020-02-27 16:12:07 +0100553 [ST_F_CHECK_DURATION] = IST("check_duration_seconds"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100554 [ST_F_HRSP_1XX] = IST("http_responses_total"),
555 [ST_F_HRSP_2XX] = IST("http_responses_total"),
556 [ST_F_HRSP_3XX] = IST("http_responses_total"),
557 [ST_F_HRSP_4XX] = IST("http_responses_total"),
558 [ST_F_HRSP_5XX] = IST("http_responses_total"),
559 [ST_F_HRSP_OTHER] = IST("http_responses_total"),
560 [ST_F_HANAFAIL] = IST("check_analyses_failures_total"),
561 [ST_F_REQ_RATE] = IST("http_requests_rate_current"),
562 [ST_F_REQ_RATE_MAX] = IST("http_requests_rate_max"),
563 [ST_F_REQ_TOT] = IST("http_requests_total"),
564 [ST_F_CLI_ABRT] = IST("client_aborts_total"),
565 [ST_F_SRV_ABRT] = IST("server_aborts_total"),
566 [ST_F_COMP_IN] = IST("http_comp_bytes_in_total"),
567 [ST_F_COMP_OUT] = IST("http_comp_bytes_out_total"),
568 [ST_F_COMP_BYP] = IST("http_comp_bytes_bypassed_total"),
569 [ST_F_COMP_RSP] = IST("http_comp_responses_total"),
570 [ST_F_LASTSESS] = IST("last_session_seconds"),
571 [ST_F_LAST_CHK] = IST("check_last_content"),
572 [ST_F_LAST_AGT] = IST("agentcheck_last_content"),
Christopher Faulet68b69682019-11-08 15:12:29 +0100573 [ST_F_QTIME] = IST("queue_time_average_seconds"),
574 [ST_F_CTIME] = IST("connect_time_average_seconds"),
575 [ST_F_RTIME] = IST("response_time_average_seconds"),
576 [ST_F_TTIME] = IST("total_time_average_seconds"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100577 [ST_F_AGENT_STATUS] = IST("agentcheck_status"),
578 [ST_F_AGENT_CODE] = IST("agentcheck_code"),
579 [ST_F_AGENT_DURATION] = IST("agentcheck_duration_milliseconds"),
580 [ST_F_CHECK_DESC] = IST("check_description"),
581 [ST_F_AGENT_DESC] = IST("agentcheck_description"),
582 [ST_F_CHECK_RISE] = IST("check_rise"),
583 [ST_F_CHECK_FALL] = IST("check_fall"),
584 [ST_F_CHECK_HEALTH] = IST("check_value"),
585 [ST_F_AGENT_RISE] = IST("agentcheck_rise"),
586 [ST_F_AGENT_FALL] = IST("agentcheck_fall"),
587 [ST_F_AGENT_HEALTH] = IST("agentcheck_value"),
588 [ST_F_ADDR] = IST("address"),
589 [ST_F_COOKIE] = IST("cookie"),
590 [ST_F_MODE] = IST("mode"),
591 [ST_F_ALGO] = IST("loadbalance_algorithm"),
592 [ST_F_CONN_RATE] = IST("connections_rate_current"),
593 [ST_F_CONN_RATE_MAX] = IST("connections_rate_max"),
594 [ST_F_CONN_TOT] = IST("connections_total"),
595 [ST_F_INTERCEPTED] = IST("intercepted_requests_total"),
596 [ST_F_DCON] = IST("denied_connections_total"),
597 [ST_F_DSES] = IST("denied_sessions_total"),
598 [ST_F_WREW] = IST("failed_header_rewriting_total"),
599 [ST_F_CONNECT] = IST("connection_attempts_total"),
600 [ST_F_REUSE] = IST("connection_reuses_total"),
601 [ST_F_CACHE_LOOKUPS] = IST("http_cache_lookups_total"),
602 [ST_F_CACHE_HITS] = IST("http_cache_hits_total"),
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100603 [ST_F_SRV_ICUR] = IST("server_idle_connections_current"),
604 [ST_F_SRV_ILIM] = IST("server_idle_connections_limit"),
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100605 [ST_F_QT_MAX] = IST("max_queue_time_seconds"),
606 [ST_F_CT_MAX] = IST("max_connect_time_seconds"),
607 [ST_F_RT_MAX] = IST("max_response_time_seconds"),
608 [ST_F_TT_MAX] = IST("max_total_time_seconds"),
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100609 [ST_F_EINT] = IST("internal_errors_total"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100610};
611
612/* Description of all info fields */
613const struct ist promex_inf_metric_desc[INF_TOTAL_FIELDS] = {
614 [INF_NAME] = IST("Product name."),
615 [INF_VERSION] = IST("HAProxy version."),
Ilya Shipitsince7b00f2020-03-23 22:28:40 +0500616 [INF_RELEASE_DATE] = IST("HAProxy release date."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100617 [INF_NBTHREAD] = IST("Configured number of threads."),
618 [INF_NBPROC] = IST("Configured number of processes."),
619 [INF_PROCESS_NUM] = IST("Relative process id, starting at 1."),
620 [INF_PID] = IST("HAProxy PID."),
621 [INF_UPTIME] = IST("Uptime in a human readable format."),
Christopher Faulet8c8e4b12019-04-18 10:15:15 +0200622 [INF_UPTIME_SEC] = IST("Start time in seconds."),
623 [INF_MEMMAX_MB] = IST("Per-process memory limit (in bytes); 0=unset."),
624 [INF_POOL_ALLOC_MB] = IST("Total amount of memory allocated in pools (in bytes)."),
625 [INF_POOL_USED_MB] = IST("Total amount of memory used in pools (in bytes)."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100626 [INF_POOL_FAILED] = IST("Total number of failed pool allocations."),
627 [INF_ULIMIT_N] = IST("Maximum number of open file descriptors; 0=unset."),
Ilya Shipitsince7b00f2020-03-23 22:28:40 +0500628 [INF_MAXSOCK] = IST("Maximum number of open sockets."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100629 [INF_MAXCONN] = IST("Maximum number of concurrent connections."),
630 [INF_HARD_MAXCONN] = IST("Initial Maximum number of concurrent connections."),
631 [INF_CURR_CONN] = IST("Number of active sessions."),
Christopher Faulet8c8e4b12019-04-18 10:15:15 +0200632 [INF_CUM_CONN] = IST("Total number of created sessions."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100633 [INF_CUM_REQ] = IST("Total number of requests (TCP or HTTP)."),
634 [INF_MAX_SSL_CONNS] = IST("Configured maximum number of concurrent SSL connections."),
635 [INF_CURR_SSL_CONNS] = IST("Number of opened SSL connections."),
636 [INF_CUM_SSL_CONNS] = IST("Total number of opened SSL connections."),
637 [INF_MAXPIPES] = IST("Configured maximum number of pipes."),
638 [INF_PIPES_USED] = IST("Number of pipes in used."),
639 [INF_PIPES_FREE] = IST("Number of pipes unused."),
640 [INF_CONN_RATE] = IST("Current number of connections per second over last elapsed second."),
641 [INF_CONN_RATE_LIMIT] = IST("Configured maximum number of connections per second."),
642 [INF_MAX_CONN_RATE] = IST("Maximum observed number of connections per second."),
643 [INF_SESS_RATE] = IST("Current number of sessions per second over last elapsed second."),
644 [INF_SESS_RATE_LIMIT] = IST("Configured maximum number of sessions per second."),
645 [INF_MAX_SESS_RATE] = IST("Maximum observed number of sessions per second."),
646 [INF_SSL_RATE] = IST("Current number of SSL sessions per second over last elapsed second."),
647 [INF_SSL_RATE_LIMIT] = IST("Configured maximum number of SSL sessions per second."),
648 [INF_MAX_SSL_RATE] = IST("Maximum observed number of SSL sessions per second."),
649 [INF_SSL_FRONTEND_KEY_RATE] = IST("Current frontend SSL Key computation per second over last elapsed second."),
650 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("Maximum observed frontend SSL Key computation per second."),
651 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("SSL session reuse ratio (percent)."),
652 [INF_SSL_BACKEND_KEY_RATE] = IST("Current backend SSL Key computation per second over last elapsed second."),
653 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("Maximum observed backend SSL Key computation per second."),
654 [INF_SSL_CACHE_LOOKUPS] = IST("Total number of SSL session cache lookups."),
655 [INF_SSL_CACHE_MISSES] = IST("Total number of SSL session cache misses."),
656 [INF_COMPRESS_BPS_IN] = IST("Number of bytes per second over last elapsed second, before http compression."),
657 [INF_COMPRESS_BPS_OUT] = IST("Number of bytes per second over last elapsed second, after http compression."),
658 [INF_COMPRESS_BPS_RATE_LIM] = IST("Configured maximum input compression rate in bytes."),
659 [INF_ZLIB_MEM_USAGE] = IST("Current memory used for zlib in bytes."),
660 [INF_MAX_ZLIB_MEM_USAGE] = IST("Configured maximum amount of memory for zlib in bytes."),
661 [INF_TASKS] = IST("Current number of tasks."),
662 [INF_RUN_QUEUE] = IST("Current number of tasks in the run-queue."),
663 [INF_IDLE_PCT] = IST("Idle to total ratio over last sample (percent)."),
664 [INF_NODE] = IST("Node name."),
665 [INF_DESCRIPTION] = IST("Node description."),
666 [INF_STOPPING] = IST("Non zero means stopping in progress."),
667 [INF_JOBS] = IST("Current number of active jobs (listeners, sessions, open devices)."),
668 [INF_UNSTOPPABLE_JOBS] = IST("Current number of active jobs that can't be stopped during a soft stop."),
669 [INF_LISTENERS] = IST("Current number of active listeners."),
670 [INF_ACTIVE_PEERS] = IST("Current number of active peers."),
671 [INF_CONNECTED_PEERS] = IST("Current number of connected peers."),
672 [INF_DROPPED_LOGS] = IST("Total number of dropped logs."),
673 [INF_BUSY_POLLING] = IST("Non zero if the busy polling is enabled."),
674};
675
676/* Description of all stats fields */
677const struct ist promex_st_metric_desc[ST_F_TOTAL_FIELDS] = {
678 [ST_F_PXNAME] = IST("The proxy name."),
679 [ST_F_SVNAME] = IST("The service name (FRONTEND for frontend, BACKEND for backend, any name for server/listener)."),
680 [ST_F_QCUR] = IST("Current number of queued requests."),
681 [ST_F_QMAX] = IST("Maximum observed number of queued requests."),
682 [ST_F_SCUR] = IST("Current number of active sessions."),
683 [ST_F_SMAX] = IST("Maximum observed number of active sessions."),
684 [ST_F_SLIM] = IST("Configured session limit."),
685 [ST_F_STOT] = IST("Total number of sessions."),
686 [ST_F_BIN] = IST("Current total of incoming bytes."),
687 [ST_F_BOUT] = IST("Current total of outgoing bytes."),
688 [ST_F_DREQ] = IST("Total number of denied requests."),
689 [ST_F_DRESP] = IST("Total number of denied responses."),
690 [ST_F_EREQ] = IST("Total number of request errors."),
691 [ST_F_ECON] = IST("Total number of connection errors."),
692 [ST_F_ERESP] = IST("Total number of response errors."),
693 [ST_F_WRETR] = IST("Total number of retry warnings."),
694 [ST_F_WREDIS] = IST("Total number of redispatch warnings."),
Christopher Fauletd45d1052019-09-06 16:10:19 +0200695 [ST_F_STATUS] = IST("Current status of the service (frontend: 0=STOP, 1=UP, 2=FULL - backend: 0=DOWN, 1=UP - server: 0=DOWN, 1=UP, 2=MAINT, 3=DRAIN, 4=NOLB)."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100696 [ST_F_WEIGHT] = IST("Service weight."),
697 [ST_F_ACT] = IST("Current number of active servers."),
698 [ST_F_BCK] = IST("Current number of backup servers."),
699 [ST_F_CHKFAIL] = IST("Total number of failed check (Only counts checks failed when the server is up)."),
700 [ST_F_CHKDOWN] = IST("Total number of UP->DOWN transitions."),
701 [ST_F_LASTCHG] = IST("Number of seconds since the last UP<->DOWN transition."),
702 [ST_F_DOWNTIME] = IST("Total downtime (in seconds) for the service."),
703 [ST_F_QLIMIT] = IST("Configured maxqueue for the server (0 meaning no limit)."),
704 [ST_F_PID] = IST("Process id (0 for first instance, 1 for second, ...)"),
705 [ST_F_IID] = IST("Unique proxy id."),
706 [ST_F_SID] = IST("Server id (unique inside a proxy)."),
707 [ST_F_THROTTLE] = IST("Current throttle percentage for the server, when slowstart is active, or no value if not in slowstart."),
708 [ST_F_LBTOT] = IST("Total number of times a service was selected, either for new sessions, or when redispatching."),
709 [ST_F_TRACKED] = IST("Id of proxy/server if tracking is enabled."),
710 [ST_F_TYPE] = IST("Service type (0=frontend, 1=backend, 2=server, 3=socket/listener)."),
711 [ST_F_RATE] = IST("Current number of sessions per second over last elapsed second."),
712 [ST_F_RATE_LIM] = IST("Configured limit on new sessions per second."),
713 [ST_F_RATE_MAX] = IST("Maximum observed number of sessions per second."),
Christopher Fauletcf403f32019-11-21 14:35:46 +0100714 [ST_F_CHECK_STATUS] = IST("Status of last health check (HCHK_STATUS_* values)."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100715 [ST_F_CHECK_CODE] = IST("layer5-7 code, if available of the last health check."),
Christopher Faulet2711e512020-02-27 16:12:07 +0100716 [ST_F_CHECK_DURATION] = IST("Total duration of the latest server health check, in seconds."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100717 [ST_F_HRSP_1XX] = IST("Total number of HTTP responses."),
718 [ST_F_HRSP_2XX] = IST("Total number of HTTP responses."),
719 [ST_F_HRSP_3XX] = IST("Total number of HTTP responses."),
720 [ST_F_HRSP_4XX] = IST("Total number of HTTP responses."),
721 [ST_F_HRSP_5XX] = IST("Total number of HTTP responses."),
722 [ST_F_HRSP_OTHER] = IST("Total number of HTTP responses."),
723 [ST_F_HANAFAIL] = IST("Total number of failed health checks."),
724 [ST_F_REQ_RATE] = IST("Current number of HTTP requests per second over last elapsed second."),
725 [ST_F_REQ_RATE_MAX] = IST("Maximum observed number of HTTP requests per second."),
726 [ST_F_REQ_TOT] = IST("Total number of HTTP requests received."),
727 [ST_F_CLI_ABRT] = IST("Total number of data transfers aborted by the client."),
728 [ST_F_SRV_ABRT] = IST("Total number of data transfers aborted by the server."),
729 [ST_F_COMP_IN] = IST("Total number of HTTP response bytes fed to the compressor."),
730 [ST_F_COMP_OUT] = IST("Total number of HTTP response bytes emitted by the compressor."),
731 [ST_F_COMP_BYP] = IST("Total number of bytes that bypassed the HTTP compressor (CPU/BW limit)."),
732 [ST_F_COMP_RSP] = IST("Total number of HTTP responses that were compressed."),
733 [ST_F_LASTSESS] = IST("Number of seconds since last session assigned to server/backend."),
734 [ST_F_LAST_CHK] = IST("Last health check contents or textual error"),
735 [ST_F_LAST_AGT] = IST("Last agent check contents or textual error"),
736 [ST_F_QTIME] = IST("Avg. queue time for last 1024 successful connections."),
737 [ST_F_CTIME] = IST("Avg. connect time for last 1024 successful connections."),
738 [ST_F_RTIME] = IST("Avg. response time for last 1024 successful connections."),
739 [ST_F_TTIME] = IST("Avg. total time for last 1024 successful connections."),
740 [ST_F_AGENT_STATUS] = IST("Status of last agent check."),
741 [ST_F_AGENT_CODE] = IST("Numeric code reported by agent if any (unused for now)."),
742 [ST_F_AGENT_DURATION] = IST("Time in ms taken to finish last agent check."),
743 [ST_F_CHECK_DESC] = IST("Short human-readable description of the last health status."),
744 [ST_F_AGENT_DESC] = IST("Short human-readable description of the last agent status."),
745 [ST_F_CHECK_RISE] = IST("Server's \"rise\" parameter used by health checks"),
746 [ST_F_CHECK_FALL] = IST("Server's \"fall\" parameter used by health checks"),
747 [ST_F_CHECK_HEALTH] = IST("Server's health check value between 0 and rise+fall-1"),
748 [ST_F_AGENT_RISE] = IST("Agent's \"rise\" parameter, normally 1."),
749 [ST_F_AGENT_FALL] = IST("Agent's \"fall\" parameter, normally 1."),
750 [ST_F_AGENT_HEALTH] = IST("Agent's health parameter, between 0 and rise+fall-1"),
751 [ST_F_ADDR] = IST("address:port or \"unix\". IPv6 has brackets around the address."),
752 [ST_F_COOKIE] = IST("Server's cookie value or backend's cookie name."),
753 [ST_F_MODE] = IST("Proxy mode (tcp, http, health, unknown)."),
754 [ST_F_ALGO] = IST("Load balancing algorithm."),
755 [ST_F_CONN_RATE] = IST("Current number of connections per second over the last elapsed second."),
756 [ST_F_CONN_RATE_MAX] = IST("Maximum observed number of connections per second."),
757 [ST_F_CONN_TOT] = IST("Total number of connections."),
758 [ST_F_INTERCEPTED] = IST("Total number of intercepted HTTP requests."),
759 [ST_F_DCON] = IST("Total number of requests denied by \"tcp-request connection\" rules."),
760 [ST_F_DSES] = IST("Total number of requests denied by \"tcp-request session\" rules."),
761 [ST_F_WREW] = IST("Total number of failed header rewriting warnings."),
762 [ST_F_CONNECT] = IST("Total number of connection establishment attempts."),
763 [ST_F_REUSE] = IST("Total number of connection reuses."),
764 [ST_F_CACHE_LOOKUPS] = IST("Total number of HTTP cache lookups."),
765 [ST_F_CACHE_HITS] = IST("Total number of HTTP cache hits."),
Christopher Faulet20ab80c2019-11-08 15:24:32 +0100766 [ST_F_SRV_ICUR] = IST("Current number of idle connections available for reuse"),
767 [ST_F_SRV_ILIM] = IST("Limit on the number of available idle connections"),
Christopher Faulet8fc027d2019-11-08 15:05:31 +0100768 [ST_F_QT_MAX] = IST("Maximum observed time spent in the queue"),
769 [ST_F_CT_MAX] = IST("Maximum observed time spent waiting for a connection to complete"),
770 [ST_F_RT_MAX] = IST("Maximum observed time spent waiting for a server response"),
771 [ST_F_TT_MAX] = IST("Maximum observed total request+response time (request+queue+connect+response+processing)"),
Christopher Faulete4a2c8d2019-12-16 14:44:01 +0100772 [ST_F_EINT] = IST("Total number of internal errors."),
Christopher Fauletf959d082019-02-07 15:38:42 +0100773};
774
775/* Specific labels for all info fields. Empty by default. */
776const struct ist promex_inf_metric_labels[INF_TOTAL_FIELDS] = {
777 [INF_NAME] = IST(""),
778 [INF_VERSION] = IST(""),
779 [INF_RELEASE_DATE] = IST(""),
780 [INF_NBTHREAD] = IST(""),
781 [INF_NBPROC] = IST(""),
782 [INF_PROCESS_NUM] = IST(""),
783 [INF_PID] = IST(""),
784 [INF_UPTIME] = IST(""),
785 [INF_UPTIME_SEC] = IST(""),
786 [INF_MEMMAX_MB] = IST(""),
787 [INF_POOL_ALLOC_MB] = IST(""),
788 [INF_POOL_USED_MB] = IST(""),
789 [INF_POOL_FAILED] = IST(""),
790 [INF_ULIMIT_N] = IST(""),
791 [INF_MAXSOCK] = IST(""),
792 [INF_MAXCONN] = IST(""),
793 [INF_HARD_MAXCONN] = IST(""),
794 [INF_CURR_CONN] = IST(""),
795 [INF_CUM_CONN] = IST(""),
796 [INF_CUM_REQ] = IST(""),
797 [INF_MAX_SSL_CONNS] = IST(""),
798 [INF_CURR_SSL_CONNS] = IST(""),
799 [INF_CUM_SSL_CONNS] = IST(""),
800 [INF_MAXPIPES] = IST(""),
801 [INF_PIPES_USED] = IST(""),
802 [INF_PIPES_FREE] = IST(""),
803 [INF_CONN_RATE] = IST(""),
804 [INF_CONN_RATE_LIMIT] = IST(""),
805 [INF_MAX_CONN_RATE] = IST(""),
806 [INF_SESS_RATE] = IST(""),
807 [INF_SESS_RATE_LIMIT] = IST(""),
808 [INF_MAX_SESS_RATE] = IST(""),
809 [INF_SSL_RATE] = IST(""),
810 [INF_SSL_RATE_LIMIT] = IST(""),
811 [INF_MAX_SSL_RATE] = IST(""),
812 [INF_SSL_FRONTEND_KEY_RATE] = IST(""),
813 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST(""),
814 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST(""),
815 [INF_SSL_BACKEND_KEY_RATE] = IST(""),
816 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST(""),
817 [INF_SSL_CACHE_LOOKUPS] = IST(""),
818 [INF_SSL_CACHE_MISSES] = IST(""),
819 [INF_COMPRESS_BPS_IN] = IST(""),
820 [INF_COMPRESS_BPS_OUT] = IST(""),
821 [INF_COMPRESS_BPS_RATE_LIM] = IST(""),
822 [INF_ZLIB_MEM_USAGE] = IST(""),
823 [INF_MAX_ZLIB_MEM_USAGE] = IST(""),
824 [INF_TASKS] = IST(""),
825 [INF_RUN_QUEUE] = IST(""),
826 [INF_IDLE_PCT] = IST(""),
827 [INF_NODE] = IST(""),
828 [INF_DESCRIPTION] = IST(""),
829 [INF_STOPPING] = IST(""),
830 [INF_JOBS] = IST(""),
831 [INF_UNSTOPPABLE_JOBS] = IST(""),
832 [INF_LISTENERS] = IST(""),
833 [INF_ACTIVE_PEERS] = IST(""),
834 [INF_CONNECTED_PEERS] = IST(""),
835 [INF_DROPPED_LOGS] = IST(""),
836 [INF_BUSY_POLLING] = IST(""),
837};
838
839/* Specific labels for all stats fields. Empty by default. */
840const struct ist promex_st_metric_labels[ST_F_TOTAL_FIELDS] = {
841 [ST_F_PXNAME] = IST(""),
842 [ST_F_SVNAME] = IST(""),
843 [ST_F_QCUR] = IST(""),
844 [ST_F_QMAX] = IST(""),
845 [ST_F_SCUR] = IST(""),
846 [ST_F_SMAX] = IST(""),
847 [ST_F_SLIM] = IST(""),
848 [ST_F_STOT] = IST(""),
849 [ST_F_BIN] = IST(""),
850 [ST_F_BOUT] = IST(""),
851 [ST_F_DREQ] = IST(""),
852 [ST_F_DRESP] = IST(""),
853 [ST_F_EREQ] = IST(""),
854 [ST_F_ECON] = IST(""),
855 [ST_F_ERESP] = IST(""),
856 [ST_F_WRETR] = IST(""),
857 [ST_F_WREDIS] = IST(""),
858 [ST_F_STATUS] = IST(""),
859 [ST_F_WEIGHT] = IST(""),
860 [ST_F_ACT] = IST(""),
861 [ST_F_BCK] = IST(""),
862 [ST_F_CHKFAIL] = IST(""),
863 [ST_F_CHKDOWN] = IST(""),
864 [ST_F_LASTCHG] = IST(""),
865 [ST_F_DOWNTIME] = IST(""),
866 [ST_F_QLIMIT] = IST(""),
867 [ST_F_PID] = IST(""),
868 [ST_F_IID] = IST(""),
869 [ST_F_SID] = IST(""),
870 [ST_F_THROTTLE] = IST(""),
871 [ST_F_LBTOT] = IST(""),
872 [ST_F_TRACKED] = IST(""),
873 [ST_F_TYPE] = IST(""),
874 [ST_F_RATE] = IST(""),
875 [ST_F_RATE_LIM] = IST(""),
876 [ST_F_RATE_MAX] = IST(""),
877 [ST_F_CHECK_STATUS] = IST(""),
878 [ST_F_CHECK_CODE] = IST(""),
879 [ST_F_CHECK_DURATION] = IST(""),
880 [ST_F_HRSP_1XX] = IST("code=\"1xx\""),
881 [ST_F_HRSP_2XX] = IST("code=\"2xx\""),
882 [ST_F_HRSP_3XX] = IST("code=\"3xx\""),
883 [ST_F_HRSP_4XX] = IST("code=\"4xx\""),
884 [ST_F_HRSP_5XX] = IST("code=\"5xx\""),
885 [ST_F_HRSP_OTHER] = IST("code=\"other\""),
886 [ST_F_HANAFAIL] = IST(""),
887 [ST_F_REQ_RATE] = IST(""),
888 [ST_F_REQ_RATE_MAX] = IST(""),
889 [ST_F_REQ_TOT] = IST(""),
890 [ST_F_CLI_ABRT] = IST(""),
891 [ST_F_SRV_ABRT] = IST(""),
892 [ST_F_COMP_IN] = IST(""),
893 [ST_F_COMP_OUT] = IST(""),
894 [ST_F_COMP_BYP] = IST(""),
895 [ST_F_COMP_RSP] = IST(""),
896 [ST_F_LASTSESS] = IST(""),
897 [ST_F_LAST_CHK] = IST(""),
898 [ST_F_LAST_AGT] = IST(""),
899 [ST_F_QTIME] = IST(""),
900 [ST_F_CTIME] = IST(""),
901 [ST_F_RTIME] = IST(""),
902 [ST_F_TTIME] = IST(""),
903 [ST_F_AGENT_STATUS] = IST(""),
904 [ST_F_AGENT_CODE] = IST(""),
905 [ST_F_AGENT_DURATION] = IST(""),
906 [ST_F_CHECK_DESC] = IST(""),
907 [ST_F_AGENT_DESC] = IST(""),
908 [ST_F_CHECK_RISE] = IST(""),
909 [ST_F_CHECK_FALL] = IST(""),
910 [ST_F_CHECK_HEALTH] = IST(""),
911 [ST_F_AGENT_RISE] = IST(""),
912 [ST_F_AGENT_FALL] = IST(""),
913 [ST_F_AGENT_HEALTH] = IST(""),
914 [ST_F_ADDR] = IST(""),
915 [ST_F_COOKIE] = IST(""),
916 [ST_F_MODE] = IST(""),
917 [ST_F_ALGO] = IST(""),
918 [ST_F_CONN_RATE] = IST(""),
919 [ST_F_CONN_RATE_MAX] = IST(""),
920 [ST_F_CONN_TOT] = IST(""),
921 [ST_F_INTERCEPTED] = IST(""),
922 [ST_F_DCON] = IST(""),
923 [ST_F_DSES] = IST(""),
924 [ST_F_WREW] = IST(""),
925 [ST_F_CONNECT] = IST(""),
926 [ST_F_REUSE] = IST(""),
927 [ST_F_CACHE_LOOKUPS] = IST(""),
928 [ST_F_CACHE_HITS] = IST(""),
929};
930
931/* Type for all info fields. "untyped" is used for unsupported field. */
932const struct ist promex_inf_metric_types[INF_TOTAL_FIELDS] = {
933 [INF_NAME] = IST("untyped"),
934 [INF_VERSION] = IST("untyped"),
935 [INF_RELEASE_DATE] = IST("untyped"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200936 [INF_NBTHREAD] = IST("gauge"),
937 [INF_NBPROC] = IST("gauge"),
938 [INF_PROCESS_NUM] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100939 [INF_PID] = IST("untyped"),
940 [INF_UPTIME] = IST("untyped"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200941 [INF_UPTIME_SEC] = IST("gauge"),
942 [INF_MEMMAX_MB] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100943 [INF_POOL_ALLOC_MB] = IST("gauge"),
944 [INF_POOL_USED_MB] = IST("gauge"),
945 [INF_POOL_FAILED] = IST("counter"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200946 [INF_ULIMIT_N] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100947 [INF_MAXSOCK] = IST("gauge"),
948 [INF_MAXCONN] = IST("gauge"),
949 [INF_HARD_MAXCONN] = IST("gauge"),
950 [INF_CURR_CONN] = IST("gauge"),
951 [INF_CUM_CONN] = IST("counter"),
952 [INF_CUM_REQ] = IST("counter"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200953 [INF_MAX_SSL_CONNS] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100954 [INF_CURR_SSL_CONNS] = IST("gauge"),
955 [INF_CUM_SSL_CONNS] = IST("counter"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200956 [INF_MAXPIPES] = IST("gauge"),
957 [INF_PIPES_USED] = IST("counter"),
958 [INF_PIPES_FREE] = IST("counter"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100959 [INF_CONN_RATE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200960 [INF_CONN_RATE_LIMIT] = IST("gauge"),
961 [INF_MAX_CONN_RATE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100962 [INF_SESS_RATE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200963 [INF_SESS_RATE_LIMIT] = IST("gauge"),
964 [INF_MAX_SESS_RATE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100965 [INF_SSL_RATE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200966 [INF_SSL_RATE_LIMIT] = IST("gauge"),
967 [INF_MAX_SSL_RATE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100968 [INF_SSL_FRONTEND_KEY_RATE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200969 [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100970 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("gauge"),
971 [INF_SSL_BACKEND_KEY_RATE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200972 [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100973 [INF_SSL_CACHE_LOOKUPS] = IST("counter"),
974 [INF_SSL_CACHE_MISSES] = IST("counter"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200975 [INF_COMPRESS_BPS_IN] = IST("counter"),
976 [INF_COMPRESS_BPS_OUT] = IST("counter"),
977 [INF_COMPRESS_BPS_RATE_LIM] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100978 [INF_ZLIB_MEM_USAGE] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200979 [INF_MAX_ZLIB_MEM_USAGE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100980 [INF_TASKS] = IST("gauge"),
Christopher Fauletf782c232019-04-17 16:04:44 +0200981 [INF_RUN_QUEUE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100982 [INF_IDLE_PCT] = IST("gauge"),
983 [INF_NODE] = IST("untyped"),
984 [INF_DESCRIPTION] = IST("untyped"),
985 [INF_STOPPING] = IST("gauge"),
986 [INF_JOBS] = IST("gauge"),
987 [INF_UNSTOPPABLE_JOBS] = IST("gauge"),
988 [INF_LISTENERS] = IST("gauge"),
989 [INF_ACTIVE_PEERS] = IST("gauge"),
990 [INF_CONNECTED_PEERS] = IST("gauge"),
991 [INF_DROPPED_LOGS] = IST("counter"),
Christopher Faulet769a92d2019-04-18 10:18:44 +0200992 [INF_BUSY_POLLING] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +0100993};
994
995/* Type for all stats fields. "untyped" is used for unsupported field. */
996const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = {
997 [ST_F_PXNAME] = IST("untyped"),
998 [ST_F_SVNAME] = IST("untyped"),
999 [ST_F_QCUR] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +02001000 [ST_F_QMAX] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001001 [ST_F_SCUR] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +02001002 [ST_F_SMAX] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001003 [ST_F_SLIM] = IST("gauge"),
1004 [ST_F_STOT] = IST("counter"),
1005 [ST_F_BIN] = IST("counter"),
1006 [ST_F_BOUT] = IST("counter"),
1007 [ST_F_DREQ] = IST("counter"),
1008 [ST_F_DRESP] = IST("counter"),
1009 [ST_F_EREQ] = IST("counter"),
1010 [ST_F_ECON] = IST("counter"),
1011 [ST_F_ERESP] = IST("counter"),
1012 [ST_F_WRETR] = IST("counter"),
1013 [ST_F_WREDIS] = IST("counter"),
1014 [ST_F_STATUS] = IST("gauge"),
1015 [ST_F_WEIGHT] = IST("gauge"),
1016 [ST_F_ACT] = IST("gauge"),
1017 [ST_F_BCK] = IST("gauge"),
1018 [ST_F_CHKFAIL] = IST("counter"),
1019 [ST_F_CHKDOWN] = IST("counter"),
1020 [ST_F_LASTCHG] = IST("gauge"),
1021 [ST_F_DOWNTIME] = IST("counter"),
1022 [ST_F_QLIMIT] = IST("gauge"),
1023 [ST_F_PID] = IST("untyped"),
1024 [ST_F_IID] = IST("untyped"),
1025 [ST_F_SID] = IST("untyped"),
1026 [ST_F_THROTTLE] = IST("gauge"),
1027 [ST_F_LBTOT] = IST("counter"),
1028 [ST_F_TRACKED] = IST("untyped"),
1029 [ST_F_TYPE] = IST("untyped"),
Christopher Fauletc58fc0d2019-04-18 10:10:49 +02001030 [ST_F_RATE] = IST("untyped"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001031 [ST_F_RATE_LIM] = IST("gauge"),
Christopher Faulet769a92d2019-04-18 10:18:44 +02001032 [ST_F_RATE_MAX] = IST("gauge"),
Christopher Fauletcf403f32019-11-21 14:35:46 +01001033 [ST_F_CHECK_STATUS] = IST("gauge"),
1034 [ST_F_CHECK_CODE] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001035 [ST_F_CHECK_DURATION] = IST("gauge"),
1036 [ST_F_HRSP_1XX] = IST("counter"),
1037 [ST_F_HRSP_2XX] = IST("counter"),
1038 [ST_F_HRSP_3XX] = IST("counter"),
1039 [ST_F_HRSP_4XX] = IST("counter"),
1040 [ST_F_HRSP_5XX] = IST("counter"),
1041 [ST_F_HRSP_OTHER] = IST("counter"),
1042 [ST_F_HANAFAIL] = IST("counter"),
Christopher Fauletc58fc0d2019-04-18 10:10:49 +02001043 [ST_F_REQ_RATE] = IST("untyped"),
Christopher Faulet769a92d2019-04-18 10:18:44 +02001044 [ST_F_REQ_RATE_MAX] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001045 [ST_F_REQ_TOT] = IST("counter"),
1046 [ST_F_CLI_ABRT] = IST("counter"),
1047 [ST_F_SRV_ABRT] = IST("counter"),
1048 [ST_F_COMP_IN] = IST("counter"),
1049 [ST_F_COMP_OUT] = IST("counter"),
1050 [ST_F_COMP_BYP] = IST("counter"),
1051 [ST_F_COMP_RSP] = IST("counter"),
1052 [ST_F_LASTSESS] = IST("gauge"),
1053 [ST_F_LAST_CHK] = IST("untyped"),
1054 [ST_F_LAST_AGT] = IST("untyped"),
1055 [ST_F_QTIME] = IST("gauge"),
1056 [ST_F_CTIME] = IST("gauge"),
1057 [ST_F_RTIME] = IST("gauge"),
1058 [ST_F_TTIME] = IST("gauge"),
1059 [ST_F_AGENT_STATUS] = IST("untyped"),
1060 [ST_F_AGENT_CODE] = IST("untyped"),
1061 [ST_F_AGENT_DURATION] = IST("gauge"),
1062 [ST_F_CHECK_DESC] = IST("untyped"),
1063 [ST_F_AGENT_DESC] = IST("untyped"),
1064 [ST_F_CHECK_RISE] = IST("gauge"),
1065 [ST_F_CHECK_FALL] = IST("gauge"),
1066 [ST_F_CHECK_HEALTH] = IST("gauge"),
1067 [ST_F_AGENT_RISE] = IST("gauge"),
1068 [ST_F_AGENT_FALL] = IST("gauge"),
1069 [ST_F_AGENT_HEALTH] = IST("gauge"),
1070 [ST_F_ADDR] = IST("untyped"),
1071 [ST_F_COOKIE] = IST("untyped"),
1072 [ST_F_MODE] = IST("untyped"),
1073 [ST_F_ALGO] = IST("untyped"),
Christopher Fauletc58fc0d2019-04-18 10:10:49 +02001074 [ST_F_CONN_RATE] = IST("untyped"),
Christopher Faulet769a92d2019-04-18 10:18:44 +02001075 [ST_F_CONN_RATE_MAX] = IST("gauge"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001076 [ST_F_CONN_TOT] = IST("counter"),
1077 [ST_F_INTERCEPTED] = IST("counter"),
1078 [ST_F_DCON] = IST("counter"),
1079 [ST_F_DSES] = IST("counter"),
1080 [ST_F_WREW] = IST("counter"),
1081 [ST_F_CONNECT] = IST("counter"),
1082 [ST_F_REUSE] = IST("counter"),
1083 [ST_F_CACHE_LOOKUPS] = IST("counter"),
1084 [ST_F_CACHE_HITS] = IST("counter"),
Christopher Faulet20ab80c2019-11-08 15:24:32 +01001085 [ST_F_SRV_ICUR] = IST("gauge"),
1086 [ST_F_SRV_ILIM] = IST("gauge"),
Christopher Faulet8fc027d2019-11-08 15:05:31 +01001087 [ST_F_QT_MAX] = IST("gauge"),
1088 [ST_F_CT_MAX] = IST("gauge"),
1089 [ST_F_RT_MAX] = IST("gauge"),
1090 [ST_F_TT_MAX] = IST("gauge"),
Christopher Faulete4a2c8d2019-12-16 14:44:01 +01001091 [ST_F_EINT] = IST("counter"),
Christopher Fauletf959d082019-02-07 15:38:42 +01001092};
1093
Christopher Fauletd45d1052019-09-06 16:10:19 +02001094/* Return the server status: 0=DOWN, 1=UP, 2=MAINT, 3=DRAIN, 4=NOLB. */
Christopher Fauletf959d082019-02-07 15:38:42 +01001095static int promex_srv_status(struct server *sv)
1096{
Christopher Fauletf959d082019-02-07 15:38:42 +01001097 int state = 0;
1098
Christopher Fauletf959d082019-02-07 15:38:42 +01001099 if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) {
1100 state = 1;
1101 if (sv->cur_admin & SRV_ADMF_DRAIN)
Christopher Fauletd45d1052019-09-06 16:10:19 +02001102 state = 3;
Christopher Fauletf959d082019-02-07 15:38:42 +01001103 }
Christopher Fauletd45d1052019-09-06 16:10:19 +02001104 else if (sv->cur_state == SRV_ST_STOPPING)
1105 state = 4;
1106
1107 if (sv->cur_admin & SRV_ADMF_MAINT)
1108 state = 2;
Christopher Fauletf959d082019-02-07 15:38:42 +01001109
1110 return state;
1111}
1112
1113/* Convert a field to its string representation and write it in <out>, followed
1114 * by a newline, if there is enough space. non-numeric value are converted in
1115 * "Nan" because Prometheus only support numerical values (but it is unexepceted
1116 * to process this kind of value). It returns 1 on success. Otherwise, it
1117 * returns 0. The buffer's length must not exceed <max> value.
1118 */
1119static int promex_metric_to_str(struct buffer *out, struct field *f, size_t max)
1120{
1121 int ret = 0;
1122
1123 switch (field_format(f, 0)) {
1124 case FF_EMPTY: ret = chunk_strcat(out, "Nan\n"); break;
1125 case FF_S32: ret = chunk_appendf(out, "%d\n", f->u.s32); break;
1126 case FF_U32: ret = chunk_appendf(out, "%u\n", f->u.u32); break;
1127 case FF_S64: ret = chunk_appendf(out, "%lld\n", (long long)f->u.s64); break;
1128 case FF_U64: ret = chunk_appendf(out, "%llu\n", (unsigned long long)f->u.u64); break;
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001129 case FF_FLT: ret = chunk_appendf(out, "%f\n", f->u.flt); break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001130 case FF_STR: ret = chunk_strcat(out, "Nan\n"); break;
1131 default: ret = chunk_strcat(out, "Nan\n"); break;
1132 }
1133 if (!ret || out->data > max)
1134 return 0;
1135 return 1;
1136}
1137
1138/* Concatenate the <prefix> with the field name using the array
1139 * <promex_st_metric_names> and store it in <name>. The field type is in
1140 * <appctx->st2>. This function never fails but relies on
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05001141 * <PROMEX_MAX_NAME_LEN>. So by sure the result is small enough to be copied in
Christopher Fauletf959d082019-02-07 15:38:42 +01001142 * <name>
1143 */
1144static void promex_metric_name(struct appctx *appctx, struct ist *name, const struct ist prefix)
1145{
1146 const struct ist *names;
1147
1148 names = ((appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC)
1149 ? promex_inf_metric_names
1150 : promex_st_metric_names);
1151
1152 istcat(name, prefix, PROMEX_MAX_NAME_LEN);
1153 istcat(name, names[appctx->st2], PROMEX_MAX_NAME_LEN);
1154}
1155
1156/* Dump the header lines for <metric>. It is its #HELP and #TYPE strings. It
1157 * returns 1 on success. Otherwise, if <out> length exceeds <max>, it returns 0.
1158 */
1159static int promex_dump_metric_header(struct appctx *appctx, struct htx *htx,
1160 const struct ist name, struct ist *out, size_t max)
1161{
1162 const struct ist *desc, *types;
1163
1164 if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) {
1165 desc = promex_inf_metric_desc;
1166 types = promex_inf_metric_types;
1167 }
1168 else {
1169 desc = promex_st_metric_desc;
1170 types = promex_st_metric_types;
1171 }
1172
Anthonin Bonnefoy51c3aa42019-08-07 17:45:25 +02001173 if (istcat(out, ist("# HELP "), max) == -1 ||
Christopher Fauletf959d082019-02-07 15:38:42 +01001174 istcat(out, name, max) == -1 ||
1175 istcat(out, ist(" "), max) == -1 ||
1176 istcat(out, desc[appctx->st2], max) == -1 ||
Anthonin Bonnefoy51c3aa42019-08-07 17:45:25 +02001177 istcat(out, ist("\n# TYPE "), max) == -1 ||
Christopher Fauletf959d082019-02-07 15:38:42 +01001178 istcat(out, name, max) == -1 ||
1179 istcat(out, ist(" "), max) == -1 ||
1180 istcat(out, types[appctx->st2], max) == -1 ||
1181 istcat(out, ist("\n"), max) == -1)
1182 goto full;
1183
1184 return 1;
1185
1186 full:
1187 return 0;
1188}
1189
1190/* Dump the line for <metric>. It starts by the metric name followed by its
1191 * labels (proxy name, server name...) between braces and finally its value. If
1192 * not already done, the header lines are dumped first. It returns 1 on
1193 * success. Otherwise if <out> length exceeds <max>, it returns 0.
1194 */
1195static int promex_dump_metric(struct appctx *appctx, struct htx *htx,
1196 const struct ist prefix, struct field *metric,
1197 struct ist *out, size_t max)
1198{
1199 struct ist name = { .ptr = (char[PROMEX_MAX_NAME_LEN]){ 0 }, .len = 0 };
1200 size_t len = out->len;
1201
1202 if (out->len + PROMEX_MAX_METRIC_LENGTH > max)
1203 return 0;
1204
1205 promex_metric_name(appctx, &name, prefix);
1206 if ((appctx->ctx.stats.flags & PROMEX_FL_METRIC_HDR) &&
1207 !promex_dump_metric_header(appctx, htx, name, out, max))
1208 goto full;
1209
1210 if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) {
1211 const struct ist label = promex_inf_metric_labels[appctx->st2];
1212
1213 if (istcat(out, name, max) == -1 ||
1214 (label.len && istcat(out, ist("{"), max) == -1) ||
1215 (label.len && istcat(out, label, max) == -1) ||
1216 (label.len && istcat(out, ist("}"), max) == -1) ||
1217 istcat(out, ist(" "), max) == -1)
1218 goto full;
1219 }
1220 else {
1221 struct proxy *px = appctx->ctx.stats.px;
1222 struct server *srv = appctx->ctx.stats.sv;
1223 const struct ist label = promex_st_metric_labels[appctx->st2];
1224
1225 if (istcat(out, name, max) == -1 ||
1226 istcat(out, ist("{proxy=\""), max) == -1 ||
1227 istcat(out, ist2(px->id, strlen(px->id)), max) == -1 ||
1228 istcat(out, ist("\""), max) == -1 ||
1229 (srv && istcat(out, ist(",server=\""), max) == -1) ||
1230 (srv && istcat(out, ist2(srv->id, strlen(srv->id)), max) == -1) ||
1231 (srv && istcat(out, ist("\""), max) == -1) ||
1232 (label.len && istcat(out, ist(","), max) == -1) ||
1233 (label.len && istcat(out, label, max) == -1) ||
1234 istcat(out, ist("} "), max) == -1)
1235 goto full;
1236 }
1237
1238 trash.data = out->len;
1239 if (!promex_metric_to_str(&trash, metric, max))
1240 goto full;
1241 out->len = trash.data;
1242
1243 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1244 return 1;
1245 full:
1246 // Restore previous length
1247 out->len = len;
1248 return 0;
1249
1250}
1251
1252
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05001253/* Dump global metrics (prefixed by "haproxy_process_"). It returns 1 on success,
Christopher Fauletf959d082019-02-07 15:38:42 +01001254 * 0 if <htx> is full and -1 in case of any error. */
1255static int promex_dump_global_metrics(struct appctx *appctx, struct htx *htx)
1256{
1257 static struct ist prefix = IST("haproxy_process_");
1258 struct field metric;
1259 struct channel *chn = si_ic(appctx->owner);
1260 struct ist out = ist2(trash.area, 0);
Christopher Faulet11921e62019-07-03 11:43:17 +02001261 size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx));
Christopher Fauletf959d082019-02-07 15:38:42 +01001262 int ret = 1;
1263
1264#ifdef USE_OPENSSL
1265 int ssl_sess_rate = read_freq_ctr(&global.ssl_per_sec);
1266 int ssl_key_rate = read_freq_ctr(&global.ssl_fe_keys_per_sec);
1267 int ssl_reuse = 0;
1268
1269 if (ssl_key_rate < ssl_sess_rate) {
1270 /* count the ssl reuse ratio and avoid overflows in both directions */
1271 ssl_reuse = 100 - (100 * ssl_key_rate + (ssl_sess_rate - 1) / 2) / ssl_sess_rate;
1272 }
1273#endif
Christopher Fauletf959d082019-02-07 15:38:42 +01001274 while (appctx->st2 && appctx->st2 < INF_TOTAL_FIELDS) {
1275 switch (appctx->st2) {
1276 case INF_NBTHREAD:
1277 metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread);
1278 break;
1279 case INF_NBPROC:
1280 metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbproc);
1281 break;
1282 case INF_PROCESS_NUM:
1283 metric = mkf_u32(FO_KEY, relative_pid);
1284 break;
1285 case INF_UPTIME_SEC:
Christopher Faulet8c8e4b12019-04-18 10:15:15 +02001286 metric = mkf_u32(FN_DURATION, start_date.tv_sec);
Christopher Fauletf959d082019-02-07 15:38:42 +01001287 break;
1288 case INF_MEMMAX_MB:
Christopher Faulet8c8e4b12019-04-18 10:15:15 +02001289 metric = mkf_u64(FO_CONFIG|FN_LIMIT, global.rlimit_memmax * 1048576L);
Christopher Fauletf959d082019-02-07 15:38:42 +01001290 break;
1291 case INF_POOL_ALLOC_MB:
Christopher Faulet8c8e4b12019-04-18 10:15:15 +02001292 metric = mkf_u64(0, pool_total_allocated());
Christopher Fauletf959d082019-02-07 15:38:42 +01001293 break;
1294 case INF_POOL_USED_MB:
Christopher Faulet8c8e4b12019-04-18 10:15:15 +02001295 metric = mkf_u64(0, pool_total_used());
Christopher Fauletf959d082019-02-07 15:38:42 +01001296 break;
1297 case INF_POOL_FAILED:
1298 metric = mkf_u32(FN_COUNTER, pool_total_failures());
1299 break;
1300 case INF_ULIMIT_N:
1301 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
1302 break;
1303 case INF_MAXSOCK:
1304 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
1305 break;
1306 case INF_MAXCONN:
1307 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
1308 break;
1309 case INF_HARD_MAXCONN:
1310 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
1311 break;
1312 case INF_CURR_CONN:
1313 metric = mkf_u32(0, actconn);
1314 break;
1315 case INF_CUM_CONN:
1316 metric = mkf_u32(FN_COUNTER, totalconn);
1317 break;
1318 case INF_CUM_REQ:
1319 metric = mkf_u32(FN_COUNTER, global.req_count);
1320 break;
1321#ifdef USE_OPENSSL
1322 case INF_MAX_SSL_CONNS:
1323 metric = mkf_u32(FN_MAX, global.maxsslconn);
1324 break;
1325 case INF_CURR_SSL_CONNS:
1326 metric = mkf_u32(0, sslconns);
1327 break;
1328 case INF_CUM_SSL_CONNS:
1329 metric = mkf_u32(FN_COUNTER, totalsslconns);
1330 break;
1331#endif
1332 case INF_MAXPIPES:
1333 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
1334 break;
1335 case INF_PIPES_USED:
1336 metric = mkf_u32(0, pipes_used);
1337 break;
1338 case INF_PIPES_FREE:
1339 metric = mkf_u32(0, pipes_free);
1340 break;
1341 case INF_CONN_RATE:
1342 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
1343 break;
1344 case INF_CONN_RATE_LIMIT:
1345 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
1346 break;
1347 case INF_MAX_CONN_RATE:
1348 metric = mkf_u32(FN_MAX, global.cps_max);
1349 break;
1350 case INF_SESS_RATE:
1351 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
1352 break;
1353 case INF_SESS_RATE_LIMIT:
1354 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
1355 break;
1356 case INF_MAX_SESS_RATE:
1357 metric = mkf_u32(FN_RATE, global.sps_max);
1358 break;
1359#ifdef USE_OPENSSL
1360 case INF_SSL_RATE:
1361 metric = mkf_u32(FN_RATE, ssl_sess_rate);
1362 break;
1363 case INF_SSL_RATE_LIMIT:
1364 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
1365 break;
1366 case INF_MAX_SSL_RATE:
1367 metric = mkf_u32(FN_MAX, global.ssl_max);
1368 break;
1369 case INF_SSL_FRONTEND_KEY_RATE:
1370 metric = mkf_u32(0, ssl_key_rate);
1371 break;
1372 case INF_SSL_FRONTEND_MAX_KEY_RATE:
1373 metric = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
1374 break;
1375 case INF_SSL_FRONTEND_SESSION_REUSE_PCT:
1376 metric = mkf_u32(0, ssl_reuse);
1377 break;
1378 case INF_SSL_BACKEND_KEY_RATE:
1379 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
1380 break;
1381 case INF_SSL_BACKEND_MAX_KEY_RATE:
1382 metric = mkf_u32(FN_MAX, global.ssl_be_keys_max);
1383 break;
1384 case INF_SSL_CACHE_LOOKUPS:
1385 metric = mkf_u32(FN_COUNTER, global.shctx_lookups);
1386 break;
1387 case INF_SSL_CACHE_MISSES:
1388 metric = mkf_u32(FN_COUNTER, global.shctx_misses);
1389 break;
1390#endif
1391 case INF_COMPRESS_BPS_IN:
1392 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
1393 break;
1394 case INF_COMPRESS_BPS_OUT:
1395 metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
1396 break;
1397 case INF_COMPRESS_BPS_RATE_LIM:
1398 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
1399 break;
1400#ifdef USE_ZLIB
1401 case INF_ZLIB_MEM_USAGE:
1402 metric = mkf_u32(0, zlib_used_memory);
1403 break;
1404 case INF_MAX_ZLIB_MEM_USAGE:
1405 metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
1406 break;
1407#endif
1408 case INF_TASKS:
1409 metric = mkf_u32(0, nb_tasks_cur);
1410 break;
1411 case INF_RUN_QUEUE:
1412 metric = mkf_u32(0, tasks_run_queue_cur);
1413 break;
1414 case INF_IDLE_PCT:
Willy Tarreau76824a82019-06-02 10:38:48 +02001415 metric = mkf_u32(FN_AVG, ti->idle_pct);
Christopher Fauletf959d082019-02-07 15:38:42 +01001416 break;
1417 case INF_STOPPING:
1418 metric = mkf_u32(0, stopping);
1419 break;
1420 case INF_JOBS:
1421 metric = mkf_u32(0, jobs);
1422 break;
1423 case INF_UNSTOPPABLE_JOBS:
1424 metric = mkf_u32(0, unstoppable_jobs);
1425 break;
1426 case INF_LISTENERS:
1427 metric = mkf_u32(0, listeners);
1428 break;
1429 case INF_ACTIVE_PEERS:
1430 metric = mkf_u32(0, active_peers);
1431 break;
1432 case INF_CONNECTED_PEERS:
1433 metric = mkf_u32(0, connected_peers);
1434 break;
1435 case INF_DROPPED_LOGS:
1436 metric = mkf_u32(0, dropped_logs);
1437 break;
1438 case INF_BUSY_POLLING:
1439 metric = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING));
1440 break;
1441
1442 default:
1443 goto next_metric;
1444 }
1445
1446 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1447 goto full;
1448
1449 next_metric:
1450 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1451 appctx->st2 = promex_global_metrics[appctx->st2];
1452 }
1453
1454 end:
Christopher Faulet0c55a152019-07-04 10:03:28 +02001455 if (out.len) {
1456 if (!htx_add_data_atonce(htx, out))
1457 return -1; /* Unexpected and unrecoverable error */
1458 channel_add_input(chn, out.len);
1459 }
Christopher Fauletf959d082019-02-07 15:38:42 +01001460 return ret;
1461 full:
1462 ret = 0;
1463 goto end;
1464}
1465
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05001466/* Dump frontends metrics (prefixed by "haproxy_frontend_"). It returns 1 on success,
Christopher Fauletf959d082019-02-07 15:38:42 +01001467 * 0 if <htx> is full and -1 in case of any error. */
1468static int promex_dump_front_metrics(struct appctx *appctx, struct htx *htx)
1469{
1470 static struct ist prefix = IST("haproxy_frontend_");
1471 struct proxy *px;
1472 struct field metric;
1473 struct channel *chn = si_ic(appctx->owner);
1474 struct ist out = ist2(trash.area, 0);
Christopher Faulet11921e62019-07-03 11:43:17 +02001475 size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx));
Christopher Fauletf959d082019-02-07 15:38:42 +01001476 int ret = 1;
1477
1478 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1479 while (appctx->ctx.stats.px) {
1480 px = appctx->ctx.stats.px;
1481
1482 /* skip the disabled proxies, global frontend and non-networked ones */
1483 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_FE))
1484 goto next_px;
1485
1486 switch (appctx->st2) {
1487 case ST_F_STATUS:
1488 metric = mkf_u32(FO_STATUS, px->state == PR_STREADY ? 1 : px->state == PR_STFULL ? 2 : 0);
1489 break;
1490 case ST_F_SCUR:
1491 metric = mkf_u32(0, px->feconn);
1492 break;
1493 case ST_F_SMAX:
1494 metric = mkf_u32(FN_MAX, px->fe_counters.conn_max);
1495 break;
1496 case ST_F_SLIM:
1497 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
1498 break;
1499 case ST_F_STOT:
1500 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
1501 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001502 case ST_F_RATE_LIM:
1503 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
1504 break;
1505 case ST_F_RATE_MAX:
1506 metric = mkf_u32(FN_MAX, px->fe_counters.sps_max);
1507 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001508 case ST_F_CONN_RATE_MAX:
1509 metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
1510 break;
1511 case ST_F_CONN_TOT:
1512 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
1513 break;
1514 case ST_F_BIN:
1515 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in);
1516 break;
1517 case ST_F_BOUT:
1518 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out);
1519 break;
1520 case ST_F_DREQ:
1521 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
1522 break;
1523 case ST_F_DRESP:
1524 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
1525 break;
1526 case ST_F_EREQ:
1527 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
1528 break;
1529 case ST_F_DCON:
1530 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
1531 break;
1532 case ST_F_DSES:
1533 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess);
1534 break;
1535 case ST_F_WREW:
1536 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
1537 break;
Christopher Faulete4a2c8d2019-12-16 14:44:01 +01001538 case ST_F_EINT:
1539 metric = mkf_u64(FN_COUNTER, px->fe_counters.internal_errors);
1540 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001541 case ST_F_REQ_RATE_MAX:
1542 if (px->mode != PR_MODE_HTTP)
1543 goto next_px;
1544 metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
1545 break;
1546 case ST_F_REQ_TOT:
1547 if (px->mode != PR_MODE_HTTP)
1548 goto next_px;
1549 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req);
1550 break;
1551 case ST_F_HRSP_1XX:
1552 if (px->mode != PR_MODE_HTTP)
1553 goto next_px;
1554 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]);
1555 break;
1556 case ST_F_HRSP_2XX:
1557 if (px->mode != PR_MODE_HTTP)
1558 goto next_px;
1559 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1560 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]);
1561 break;
1562 case ST_F_HRSP_3XX:
1563 if (px->mode != PR_MODE_HTTP)
1564 goto next_px;
1565 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1566 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]);
1567 break;
1568 case ST_F_HRSP_4XX:
1569 if (px->mode != PR_MODE_HTTP)
1570 goto next_px;
1571 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1572 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]);
1573 break;
1574 case ST_F_HRSP_5XX:
1575 if (px->mode != PR_MODE_HTTP)
1576 goto next_px;
1577 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1578 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]);
1579 break;
1580 case ST_F_HRSP_OTHER:
1581 if (px->mode != PR_MODE_HTTP)
1582 goto next_px;
1583 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1584 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]);
1585 break;
1586 case ST_F_INTERCEPTED:
1587 if (px->mode != PR_MODE_HTTP)
1588 goto next_px;
1589 metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req);
1590 break;
1591 case ST_F_CACHE_LOOKUPS:
1592 if (px->mode != PR_MODE_HTTP)
1593 goto next_px;
1594 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups);
1595 break;
1596 case ST_F_CACHE_HITS:
1597 if (px->mode != PR_MODE_HTTP)
1598 goto next_px;
1599 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits);
1600 break;
1601 case ST_F_COMP_IN:
1602 if (px->mode != PR_MODE_HTTP)
1603 goto next_px;
1604 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in);
1605 break;
1606 case ST_F_COMP_OUT:
1607 if (px->mode != PR_MODE_HTTP)
1608 goto next_px;
1609 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out);
1610 break;
1611 case ST_F_COMP_BYP:
1612 if (px->mode != PR_MODE_HTTP)
1613 goto next_px;
1614 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp);
1615 break;
1616 case ST_F_COMP_RSP:
1617 if (px->mode != PR_MODE_HTTP)
1618 goto next_px;
1619 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
1620 break;
1621
1622 default:
1623 goto next_metric;
1624 }
1625
1626 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1627 goto full;
1628 next_px:
1629 appctx->ctx.stats.px = px->next;
1630 }
1631 next_metric:
1632 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1633 appctx->ctx.stats.px = proxies_list;
1634 appctx->st2 = promex_front_metrics[appctx->st2];
1635 }
1636
1637 end:
Christopher Faulet0c55a152019-07-04 10:03:28 +02001638 if (out.len) {
1639 if (!htx_add_data_atonce(htx, out))
1640 return -1; /* Unexpected and unrecoverable error */
1641 channel_add_input(chn, out.len);
1642 }
Christopher Fauletf959d082019-02-07 15:38:42 +01001643 return ret;
1644 full:
1645 ret = 0;
1646 goto end;
1647}
1648
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05001649/* Dump backends metrics (prefixed by "haproxy_backend_"). It returns 1 on success,
Christopher Fauletf959d082019-02-07 15:38:42 +01001650 * 0 if <htx> is full and -1 in case of any error. */
1651static int promex_dump_back_metrics(struct appctx *appctx, struct htx *htx)
1652{
1653 static struct ist prefix = IST("haproxy_backend_");
1654 struct proxy *px;
1655 struct field metric;
1656 struct channel *chn = si_ic(appctx->owner);
1657 struct ist out = ist2(trash.area, 0);
Christopher Faulet11921e62019-07-03 11:43:17 +02001658 size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx));
Christopher Fauletf959d082019-02-07 15:38:42 +01001659 int ret = 1;
1660 uint32_t weight;
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001661 double secs;
Christopher Fauletf959d082019-02-07 15:38:42 +01001662
1663 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1664 while (appctx->ctx.stats.px) {
1665 px = appctx->ctx.stats.px;
1666
1667 /* skip the disabled proxies, global frontend and non-networked ones */
1668 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_BE))
1669 goto next_px;
1670
1671 switch (appctx->st2) {
1672 case ST_F_STATUS:
1673 metric = mkf_u32(FO_STATUS, (px->lbprm.tot_weight > 0 || !px->srv) ? 1 : 0);
1674 break;
1675 case ST_F_SCUR:
1676 metric = mkf_u32(0, px->beconn);
1677 break;
1678 case ST_F_SMAX:
1679 metric = mkf_u32(FN_MAX, px->be_counters.conn_max);
1680 break;
1681 case ST_F_SLIM:
1682 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
1683 break;
1684 case ST_F_STOT:
1685 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
1686 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001687 case ST_F_RATE_MAX:
1688 metric = mkf_u32(0, px->be_counters.sps_max);
1689 break;
1690 case ST_F_LASTSESS:
1691 metric = mkf_s32(FN_AGE, be_lastsession(px));
1692 break;
1693 case ST_F_QCUR:
1694 metric = mkf_u32(0, px->nbpend);
1695 break;
1696 case ST_F_QMAX:
1697 metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
1698 break;
1699 case ST_F_CONNECT:
1700 metric = mkf_u64(FN_COUNTER, px->be_counters.connect);
1701 break;
1702 case ST_F_REUSE:
1703 metric = mkf_u64(FN_COUNTER, px->be_counters.reuse);
1704 break;
1705 case ST_F_BIN:
1706 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in);
1707 break;
1708 case ST_F_BOUT:
1709 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out);
1710 break;
1711 case ST_F_QTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001712 secs = (double)swrate_avg(px->be_counters.q_time, TIME_STATS_SAMPLES) / 1000.0;
1713 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001714 break;
1715 case ST_F_CTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001716 secs = (double)swrate_avg(px->be_counters.c_time, TIME_STATS_SAMPLES) / 1000.0;
1717 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001718 break;
1719 case ST_F_RTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001720 secs = (double)swrate_avg(px->be_counters.d_time, TIME_STATS_SAMPLES) / 1000.0;
1721 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001722 break;
1723 case ST_F_TTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001724 secs = (double)swrate_avg(px->be_counters.t_time, TIME_STATS_SAMPLES) / 1000.0;
1725 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001726 break;
Christopher Faulet8fc027d2019-11-08 15:05:31 +01001727 case ST_F_QT_MAX:
1728 secs = (double)px->be_counters.qtime_max / 1000.0;
1729 metric = mkf_flt(FN_MAX, secs);
1730 break;
1731 case ST_F_CT_MAX:
1732 secs = (double)px->be_counters.ctime_max / 1000.0;
1733 metric = mkf_flt(FN_MAX, secs);
1734 break;
1735 case ST_F_RT_MAX:
1736 secs = (double)px->be_counters.dtime_max / 1000.0;
1737 metric = mkf_flt(FN_MAX, secs);
1738 break;
1739 case ST_F_TT_MAX:
1740 secs = (double)px->be_counters.ttime_max / 1000.0;
1741 metric = mkf_flt(FN_MAX, secs);
1742 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001743 case ST_F_DREQ:
1744 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req);
1745 break;
1746 case ST_F_DRESP:
1747 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp);
1748 break;
1749 case ST_F_ECON:
1750 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns);
1751 break;
1752 case ST_F_ERESP:
1753 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp);
1754 break;
1755 case ST_F_WRETR:
1756 metric = mkf_u64(FN_COUNTER, px->be_counters.retries);
1757 break;
1758 case ST_F_WREDIS:
1759 metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches);
1760 break;
1761 case ST_F_WREW:
1762 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites);
1763 break;
Christopher Faulete4a2c8d2019-12-16 14:44:01 +01001764 case ST_F_EINT:
1765 metric = mkf_u64(FN_COUNTER, px->be_counters.internal_errors);
1766 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001767 case ST_F_CLI_ABRT:
1768 metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts);
1769 break;
1770 case ST_F_SRV_ABRT:
1771 metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts);
1772 break;
1773 case ST_F_WEIGHT:
1774 weight = (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv;
1775 metric = mkf_u32(FN_AVG, weight);
1776 break;
1777 case ST_F_ACT:
1778 metric = mkf_u32(0, px->srv_act);
1779 break;
1780 case ST_F_BCK:
1781 metric = mkf_u32(0, px->srv_bck);
1782 break;
1783 case ST_F_CHKDOWN:
1784 metric = mkf_u64(FN_COUNTER, px->down_trans);
1785 break;
1786 case ST_F_LASTCHG:
1787 metric = mkf_u32(FN_AGE, now.tv_sec - px->last_change);
1788 break;
1789 case ST_F_DOWNTIME:
1790 metric = mkf_u32(FN_COUNTER, be_downtime(px));
1791 break;
1792 case ST_F_LBTOT:
1793 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn);
1794 break;
1795 case ST_F_REQ_TOT:
1796 if (px->mode != PR_MODE_HTTP)
1797 goto next_px;
1798 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req);
1799 break;
1800 case ST_F_HRSP_1XX:
1801 if (px->mode != PR_MODE_HTTP)
1802 goto next_px;
1803 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]);
1804 break;
1805 case ST_F_HRSP_2XX:
1806 if (px->mode != PR_MODE_HTTP)
1807 goto next_px;
1808 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1809 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]);
1810 break;
1811 case ST_F_HRSP_3XX:
1812 if (px->mode != PR_MODE_HTTP)
1813 goto next_px;
1814 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1815 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]);
1816 break;
1817 case ST_F_HRSP_4XX:
1818 if (px->mode != PR_MODE_HTTP)
1819 goto next_px;
1820 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1821 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]);
1822 break;
1823 case ST_F_HRSP_5XX:
1824 if (px->mode != PR_MODE_HTTP)
1825 goto next_px;
1826 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1827 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]);
1828 break;
1829 case ST_F_HRSP_OTHER:
1830 if (px->mode != PR_MODE_HTTP)
1831 goto next_px;
1832 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
1833 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]);
1834 break;
1835 case ST_F_CACHE_LOOKUPS:
1836 if (px->mode != PR_MODE_HTTP)
1837 goto next_px;
1838 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups);
1839 break;
1840 case ST_F_CACHE_HITS:
1841 if (px->mode != PR_MODE_HTTP)
1842 goto next_px;
1843 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits);
1844 break;
1845 case ST_F_COMP_IN:
1846 if (px->mode != PR_MODE_HTTP)
1847 goto next_px;
1848 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in);
1849 break;
1850 case ST_F_COMP_OUT:
1851 if (px->mode != PR_MODE_HTTP)
1852 goto next_px;
1853 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out);
1854 break;
1855 case ST_F_COMP_BYP:
1856 if (px->mode != PR_MODE_HTTP)
1857 goto next_px;
1858 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp);
1859 break;
1860 case ST_F_COMP_RSP:
1861 if (px->mode != PR_MODE_HTTP)
1862 goto next_px;
1863 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp);
1864 break;
1865
1866 default:
1867 goto next_metric;
1868 }
1869
1870 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
1871 goto full;
1872 next_px:
1873 appctx->ctx.stats.px = px->next;
1874 }
1875 next_metric:
1876 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
1877 appctx->ctx.stats.px = proxies_list;
1878 appctx->st2 = promex_back_metrics[appctx->st2];
1879 }
1880
1881 end:
Christopher Faulet0c55a152019-07-04 10:03:28 +02001882 if (out.len) {
1883 if (!htx_add_data_atonce(htx, out))
1884 return -1; /* Unexpected and unrecoverable error */
1885 channel_add_input(chn, out.len);
1886 }
Christopher Fauletf959d082019-02-07 15:38:42 +01001887 return ret;
1888 full:
1889 ret = 0;
1890 goto end;
1891}
1892
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05001893/* Dump servers metrics (prefixed by "haproxy_server_"). It returns 1 on success,
Christopher Fauletf959d082019-02-07 15:38:42 +01001894 * 0 if <htx> is full and -1 in case of any error. */
1895static int promex_dump_srv_metrics(struct appctx *appctx, struct htx *htx)
1896{
1897 static struct ist prefix = IST("haproxy_server_");
1898 struct proxy *px;
1899 struct server *sv;
1900 struct field metric;
1901 struct channel *chn = si_ic(appctx->owner);
1902 struct ist out = ist2(trash.area, 0);
Christopher Faulet11921e62019-07-03 11:43:17 +02001903 size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx));
Christopher Fauletf959d082019-02-07 15:38:42 +01001904 int ret = 1;
1905 uint32_t weight;
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001906 double secs;
Christopher Fauletf959d082019-02-07 15:38:42 +01001907
1908 while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) {
1909 while (appctx->ctx.stats.px) {
1910 px = appctx->ctx.stats.px;
1911
1912 /* skip the disabled proxies, global frontend and non-networked ones */
1913 if (px->state == PR_STSTOPPED || px->uuid <= 0 || !(px->cap & PR_CAP_BE))
1914 goto next_px;
1915
1916 while (appctx->ctx.stats.sv) {
1917 sv = appctx->ctx.stats.sv;
1918
Christopher Fauleteba22942019-11-19 14:18:24 +01001919 if ((appctx->ctx.stats.flags & PROMEX_FL_NO_MAINT_SRV) && (sv->cur_admin & SRV_ADMF_MAINT))
1920 goto next_sv;
1921
Christopher Fauletf959d082019-02-07 15:38:42 +01001922 switch (appctx->st2) {
1923 case ST_F_STATUS:
1924 metric = mkf_u32(FO_STATUS, promex_srv_status(sv));
1925 break;
1926 case ST_F_SCUR:
1927 metric = mkf_u32(0, sv->cur_sess);
1928 break;
1929 case ST_F_SMAX:
1930 metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
1931 break;
1932 case ST_F_SLIM:
1933 metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
1934 break;
1935 case ST_F_STOT:
1936 metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
1937 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001938 case ST_F_RATE_MAX:
1939 metric = mkf_u32(FN_MAX, sv->counters.sps_max);
1940 break;
1941 case ST_F_LASTSESS:
1942 metric = mkf_s32(FN_AGE, srv_lastsession(sv));
1943 break;
1944 case ST_F_QCUR:
1945 metric = mkf_u32(0, sv->nbpend);
1946 break;
1947 case ST_F_QMAX:
1948 metric = mkf_u32(FN_MAX, sv->counters.nbpend_max);
1949 break;
1950 case ST_F_QLIMIT:
1951 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
1952 break;
1953 case ST_F_BIN:
1954 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in);
1955 break;
1956 case ST_F_BOUT:
1957 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out);
1958 break;
1959 case ST_F_QTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001960 secs = (double)swrate_avg(sv->counters.q_time, TIME_STATS_SAMPLES) / 1000.0;
1961 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001962 break;
1963 case ST_F_CTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001964 secs = (double)swrate_avg(sv->counters.c_time, TIME_STATS_SAMPLES) / 1000.0;
1965 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001966 break;
1967 case ST_F_RTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001968 secs = (double)swrate_avg(sv->counters.d_time, TIME_STATS_SAMPLES) / 1000.0;
1969 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001970 break;
1971 case ST_F_TTIME:
Christopher Fauletaf4bf142019-09-24 16:35:19 +02001972 secs = (double)swrate_avg(sv->counters.t_time, TIME_STATS_SAMPLES) / 1000.0;
1973 metric = mkf_flt(FN_AVG, secs);
Christopher Fauletf959d082019-02-07 15:38:42 +01001974 break;
Christopher Faulet8fc027d2019-11-08 15:05:31 +01001975 case ST_F_QT_MAX:
1976 secs = (double)sv->counters.qtime_max / 1000.0;
1977 metric = mkf_flt(FN_MAX, secs);
1978 break;
1979 case ST_F_CT_MAX:
1980 secs = (double)sv->counters.ctime_max / 1000.0;
1981 metric = mkf_flt(FN_MAX, secs);
1982 break;
1983 case ST_F_RT_MAX:
1984 secs = (double)sv->counters.dtime_max / 1000.0;
1985 metric = mkf_flt(FN_MAX, secs);
1986 break;
1987 case ST_F_TT_MAX:
1988 secs = (double)sv->counters.ttime_max / 1000.0;
1989 metric = mkf_flt(FN_MAX, secs);
1990 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01001991 case ST_F_CONNECT:
1992 metric = mkf_u64(FN_COUNTER, sv->counters.connect);
1993 break;
1994 case ST_F_REUSE:
1995 metric = mkf_u64(FN_COUNTER, sv->counters.reuse);
1996 break;
1997 case ST_F_DRESP:
Christopher Fauleta08546b2019-12-16 16:07:34 +01001998 metric = mkf_u64(FN_COUNTER, sv->counters.denied_resp);
Christopher Fauletf959d082019-02-07 15:38:42 +01001999 break;
2000 case ST_F_ECON:
2001 metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns);
2002 break;
2003 case ST_F_ERESP:
2004 metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp);
2005 break;
2006 case ST_F_WRETR:
2007 metric = mkf_u64(FN_COUNTER, sv->counters.retries);
2008 break;
2009 case ST_F_WREDIS:
2010 metric = mkf_u64(FN_COUNTER, sv->counters.redispatches);
2011 break;
2012 case ST_F_WREW:
2013 metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites);
2014 break;
Christopher Faulete4a2c8d2019-12-16 14:44:01 +01002015 case ST_F_EINT:
2016 metric = mkf_u64(FN_COUNTER, sv->counters.internal_errors);
2017 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01002018 case ST_F_CLI_ABRT:
2019 metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts);
2020 break;
2021 case ST_F_SRV_ABRT:
2022 metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts);
2023 break;
2024 case ST_F_WEIGHT:
2025 weight = (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv;
2026 metric = mkf_u32(FN_AVG, weight);
2027 break;
Christopher Fauletcf403f32019-11-21 14:35:46 +01002028 case ST_F_CHECK_STATUS:
2029 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) != CHK_ST_ENABLED)
2030 goto next_sv;
2031 metric = mkf_u32(FN_OUTPUT, sv->check.status);
2032 break;
2033 case ST_F_CHECK_CODE:
2034 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) != CHK_ST_ENABLED)
2035 goto next_sv;
2036 metric = mkf_u32(FN_OUTPUT, (sv->check.status < HCHK_STATUS_L57DATA) ? 0 : sv->check.code);
2037 break;
Christopher Faulet2711e512020-02-27 16:12:07 +01002038 case ST_F_CHECK_DURATION:
2039 if (sv->check.status < HCHK_STATUS_CHECKED)
2040 goto next_sv;
2041 secs = (double)sv->check.duration / 1000.0;
2042 metric = mkf_flt(FN_DURATION, secs);
2043 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01002044 case ST_F_CHKFAIL:
2045 metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks);
2046 break;
2047 case ST_F_CHKDOWN:
2048 metric = mkf_u64(FN_COUNTER, sv->counters.down_trans);
2049 break;
2050 case ST_F_DOWNTIME:
2051 metric = mkf_u32(FN_COUNTER, srv_downtime(sv));
2052 break;
2053 case ST_F_LASTCHG:
2054 metric = mkf_u32(FN_AGE, now.tv_sec - sv->last_change);
2055 break;
2056 case ST_F_THROTTLE:
2057 metric = mkf_u32(FN_AVG, server_throttle_rate(sv));
2058 break;
2059 case ST_F_LBTOT:
2060 metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn);
2061 break;
Marcin Deranek3c27dda2020-05-15 18:32:51 +02002062 case ST_F_REQ_TOT:
2063 if (px->mode != PR_MODE_HTTP)
2064 goto next_px;
2065 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.cum_req);
2066 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01002067 case ST_F_HRSP_1XX:
2068 if (px->mode != PR_MODE_HTTP)
2069 goto next_px;
2070 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]);
2071 break;
2072 case ST_F_HRSP_2XX:
2073 if (px->mode != PR_MODE_HTTP)
2074 goto next_px;
2075 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
2076 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]);
2077 break;
2078 case ST_F_HRSP_3XX:
2079 if (px->mode != PR_MODE_HTTP)
2080 goto next_px;
2081 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
2082 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]);
2083 break;
2084 case ST_F_HRSP_4XX:
2085 if (px->mode != PR_MODE_HTTP)
2086 goto next_px;
2087 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
2088 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]);
2089 break;
2090 case ST_F_HRSP_5XX:
2091 if (px->mode != PR_MODE_HTTP)
2092 goto next_px;
2093 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
2094 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]);
2095 break;
2096 case ST_F_HRSP_OTHER:
2097 if (px->mode != PR_MODE_HTTP)
2098 goto next_px;
2099 appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR;
2100 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]);
2101 break;
Christopher Faulet20ab80c2019-11-08 15:24:32 +01002102 case ST_F_SRV_ICUR:
2103 metric = mkf_u32(0, sv->curr_idle_conns);
2104 break;
2105 case ST_F_SRV_ILIM:
2106 metric = mkf_u32(FO_CONFIG|FN_LIMIT, (sv->max_idle_conns == -1) ? 0 : sv->max_idle_conns);
2107 break;
Christopher Fauletf959d082019-02-07 15:38:42 +01002108
2109 default:
2110 goto next_metric;
2111 }
2112
2113 if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max))
2114 goto full;
2115
Christopher Fauleteba22942019-11-19 14:18:24 +01002116 next_sv:
Christopher Fauletf959d082019-02-07 15:38:42 +01002117 appctx->ctx.stats.sv = sv->next;
2118 }
2119
2120 next_px:
2121 appctx->ctx.stats.px = px->next;
2122 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
2123 }
2124 next_metric:
2125 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
2126 appctx->ctx.stats.px = proxies_list;
2127 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
2128 appctx->st2 = promex_srv_metrics[appctx->st2];
2129 }
2130
2131
2132 end:
Christopher Faulet0c55a152019-07-04 10:03:28 +02002133 if (out.len) {
2134 if (!htx_add_data_atonce(htx, out))
2135 return -1; /* Unexpected and unrecoverable error */
2136 channel_add_input(chn, out.len);
2137 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002138 return ret;
2139 full:
2140 ret = 0;
2141 goto end;
2142}
2143
2144/* Dump all metrics (global, frontends, backends and servers) depending on the
2145 * dumper state (appctx->st1). It returns 1 on success, 0 if <htx> is full and
2146 * -1 in case of any error. */
2147static int promex_dump_metrics(struct appctx *appctx, struct stream_interface *si, struct htx *htx)
2148{
2149 int ret;
2150
2151 switch (appctx->st1) {
2152 case PROMEX_DUMPER_INIT:
2153 appctx->ctx.stats.px = NULL;
2154 appctx->ctx.stats.sv = NULL;
Christopher Fauletefde9552020-06-05 08:18:56 +02002155 appctx->ctx.stats.flags |= (PROMEX_FL_METRIC_HDR|PROMEX_FL_INFO_METRIC);
Christopher Fauletf959d082019-02-07 15:38:42 +01002156 appctx->st2 = promex_global_metrics[INF_NAME];
2157 appctx->st1 = PROMEX_DUMPER_GLOBAL;
2158 /* fall through */
2159
2160 case PROMEX_DUMPER_GLOBAL:
Christopher Faulet78407ce2019-11-18 14:47:08 +01002161 if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_GLOBAL) {
2162 ret = promex_dump_global_metrics(appctx, htx);
2163 if (ret <= 0) {
2164 if (ret == -1)
2165 goto error;
2166 goto full;
2167 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002168 }
2169
2170 appctx->ctx.stats.px = proxies_list;
2171 appctx->ctx.stats.sv = NULL;
Christopher Fauletefde9552020-06-05 08:18:56 +02002172 appctx->ctx.stats.flags &= ~PROMEX_FL_INFO_METRIC;
2173 appctx->ctx.stats.flags |= (PROMEX_FL_METRIC_HDR|PROMEX_FL_STATS_METRIC);
Christopher Fauletf959d082019-02-07 15:38:42 +01002174 appctx->st2 = promex_front_metrics[ST_F_PXNAME];
2175 appctx->st1 = PROMEX_DUMPER_FRONT;
2176 /* fall through */
2177
2178 case PROMEX_DUMPER_FRONT:
Christopher Faulet78407ce2019-11-18 14:47:08 +01002179 if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_FRONT) {
2180 ret = promex_dump_front_metrics(appctx, htx);
2181 if (ret <= 0) {
2182 if (ret == -1)
2183 goto error;
2184 goto full;
2185 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002186 }
2187
2188 appctx->ctx.stats.px = proxies_list;
2189 appctx->ctx.stats.sv = NULL;
Christopher Fauletefde9552020-06-05 08:18:56 +02002190 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
Christopher Fauletf959d082019-02-07 15:38:42 +01002191 appctx->st2 = promex_back_metrics[ST_F_PXNAME];
2192 appctx->st1 = PROMEX_DUMPER_BACK;
2193 /* fall through */
2194
2195 case PROMEX_DUMPER_BACK:
Christopher Faulet78407ce2019-11-18 14:47:08 +01002196 if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_BACK) {
2197 ret = promex_dump_back_metrics(appctx, htx);
2198 if (ret <= 0) {
2199 if (ret == -1)
2200 goto error;
2201 goto full;
2202 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002203 }
2204
2205 appctx->ctx.stats.px = proxies_list;
2206 appctx->ctx.stats.sv = (appctx->ctx.stats.px ? appctx->ctx.stats.px->srv : NULL);
Christopher Fauletefde9552020-06-05 08:18:56 +02002207 appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR;
Christopher Fauletf959d082019-02-07 15:38:42 +01002208 appctx->st2 = promex_srv_metrics[ST_F_PXNAME];
2209 appctx->st1 = PROMEX_DUMPER_SRV;
2210 /* fall through */
2211
2212 case PROMEX_DUMPER_SRV:
Christopher Faulet78407ce2019-11-18 14:47:08 +01002213 if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_SERVER) {
2214 ret = promex_dump_srv_metrics(appctx, htx);
2215 if (ret <= 0) {
2216 if (ret == -1)
2217 goto error;
2218 goto full;
2219 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002220 }
2221
2222 appctx->ctx.stats.px = NULL;
2223 appctx->ctx.stats.sv = NULL;
Christopher Fauletefde9552020-06-05 08:18:56 +02002224 appctx->ctx.stats.flags &= ~(PROMEX_FL_METRIC_HDR|PROMEX_FL_INFO_METRIC|PROMEX_FL_STATS_METRIC);
Christopher Fauletf959d082019-02-07 15:38:42 +01002225 appctx->st2 = 0;
2226 appctx->st1 = PROMEX_DUMPER_DONE;
2227 /* fall through */
2228
2229 case PROMEX_DUMPER_DONE:
2230 default:
2231 break;
2232 }
2233
2234 return 1;
2235
2236 full:
2237 si_rx_room_blk(si);
2238 return 0;
2239 error:
2240 /* unrecoverable error */
2241 appctx->ctx.stats.px = NULL;
2242 appctx->ctx.stats.sv = NULL;
2243 appctx->ctx.stats.flags = 0;
2244 appctx->st2 = 0;
2245 appctx->st1 = PROMEX_DUMPER_DONE;
2246 return -1;
2247}
2248
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05002249/* Parse the query string of request URI to filter the metrics. It returns 1 on
Christopher Faulet78407ce2019-11-18 14:47:08 +01002250 * success and -1 on error. */
2251static int promex_parse_uri(struct appctx *appctx, struct stream_interface *si)
2252{
2253 struct channel *req = si_oc(si);
2254 struct channel *res = si_ic(si);
2255 struct htx *req_htx, *res_htx;
2256 struct htx_sl *sl;
William Dauchyc65f6562019-11-26 12:56:26 +01002257 char *p, *key, *value;
2258 const char *end;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002259 struct buffer *err;
2260 int default_scopes = PROMEX_FL_SCOPE_ALL;
2261 int len;
2262
2263 /* Get the query-string */
2264 req_htx = htxbuf(&req->buf);
2265 sl = http_get_stline(req_htx);
2266 if (!sl)
2267 goto error;
2268 p = http_find_param_list(HTX_SL_REQ_UPTR(sl), HTX_SL_REQ_ULEN(sl), '?');
2269 if (!p)
2270 goto end;
2271 end = HTX_SL_REQ_UPTR(sl) + HTX_SL_REQ_ULEN(sl);
Christopher Faulet78407ce2019-11-18 14:47:08 +01002272
William Dauchyc65f6562019-11-26 12:56:26 +01002273 /* copy the query-string */
2274 len = end - p;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002275 chunk_reset(&trash);
2276 memcpy(trash.area, p, len);
2277 trash.area[len] = 0;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002278 p = trash.area;
William Dauchyc65f6562019-11-26 12:56:26 +01002279 end = trash.area + len;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002280
2281 /* Parse the query-string */
William Dauchyc65f6562019-11-26 12:56:26 +01002282 while (p < end && *p && *p != '#') {
2283 value = NULL;
2284
2285 /* decode parameter name */
2286 key = p;
2287 while (p < end && *p != '=' && *p != '&' && *p != '#')
Christopher Faulet78407ce2019-11-18 14:47:08 +01002288 ++p;
William Dauchyc65f6562019-11-26 12:56:26 +01002289 /* found a value */
2290 if (*p == '=') {
2291 *(p++) = 0;
2292 value = p;
2293 }
2294 else if (*p == '&')
2295 *(p++) = 0;
2296 else if (*p == '#')
2297 *p = 0;
Willy Tarreau62ba9ba2020-04-23 17:54:47 +02002298 len = url_decode(key, 1);
William Dauchyc65f6562019-11-26 12:56:26 +01002299 if (len == -1)
2300 goto error;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002301
William Dauchyc65f6562019-11-26 12:56:26 +01002302 /* decode value */
2303 if (value) {
2304 while (p < end && *p != '=' && *p != '&' && *p != '#')
2305 ++p;
2306 if (*p == '=')
2307 goto error;
2308 if (*p == '&')
2309 *(p++) = 0;
2310 else if (*p == '#')
2311 *p = 0;
Willy Tarreau62ba9ba2020-04-23 17:54:47 +02002312 len = url_decode(value, 1);
William Dauchyc65f6562019-11-26 12:56:26 +01002313 if (len == -1)
2314 goto error;
2315 }
2316
2317 if (!strcmp(key, "scope")) {
2318 default_scopes = 0; /* at least a scope defined, unset default scopes */
2319 if (!value)
2320 goto error;
2321 else if (*value == 0)
Christopher Faulet78407ce2019-11-18 14:47:08 +01002322 appctx->ctx.stats.flags &= ~PROMEX_FL_SCOPE_ALL;
William Dauchyc65f6562019-11-26 12:56:26 +01002323 else if (*value == '*')
Christopher Faulet78407ce2019-11-18 14:47:08 +01002324 appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_ALL;
William Dauchyc65f6562019-11-26 12:56:26 +01002325 else if (!strcmp(value, "global"))
2326 appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_GLOBAL;
2327 else if (!strcmp(value, "server"))
2328 appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_SERVER;
2329 else if (!strcmp(value, "backend"))
Christopher Faulet78407ce2019-11-18 14:47:08 +01002330 appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_BACK;
William Dauchyc65f6562019-11-26 12:56:26 +01002331 else if (!strcmp(value, "frontend"))
Christopher Faulet78407ce2019-11-18 14:47:08 +01002332 appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_FRONT;
2333 else
2334 goto error;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002335 }
William Dauchyc65f6562019-11-26 12:56:26 +01002336 else if (!strcmp(key, "no-maint"))
Christopher Fauleteba22942019-11-19 14:18:24 +01002337 appctx->ctx.stats.flags |= PROMEX_FL_NO_MAINT_SRV;
Christopher Faulet78407ce2019-11-18 14:47:08 +01002338 }
2339
2340 end:
2341 appctx->ctx.stats.flags |= default_scopes;
2342 return 1;
2343
2344 error:
2345 err = &http_err_chunks[HTTP_ERR_400];
2346 channel_erase(res);
2347 res->buf.data = b_data(err);
2348 memcpy(res->buf.area, b_head(err), b_data(err));
2349 res_htx = htx_from_buf(&res->buf);
2350 channel_add_input(res, res_htx->data);
2351 appctx->st0 = PROMEX_ST_END;
2352 return -1;
2353}
2354
Christopher Fauletf959d082019-02-07 15:38:42 +01002355/* Send HTTP headers of the response. It returns 1 on success and 0 if <htx> is
2356 * full. */
2357static int promex_send_headers(struct appctx *appctx, struct stream_interface *si, struct htx *htx)
2358{
Christopher Faulet9744f7c2019-03-27 15:48:53 +01002359 struct channel *chn = si_ic(appctx->owner);
Christopher Fauletf959d082019-02-07 15:38:42 +01002360 struct htx_sl *sl;
2361 unsigned int flags;
2362
2363 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);
2364 sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK"));
2365 if (!sl)
2366 goto full;
2367 sl->info.res.status = 200;
2368 if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) ||
2369 !htx_add_header(htx, ist("Connection"), ist("close")) ||
2370 !htx_add_header(htx, ist("Content-Type"), ist("text/plain; version=0.0.4")) ||
2371 !htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")) ||
2372 !htx_add_endof(htx, HTX_BLK_EOH))
2373 goto full;
2374
Christopher Faulet9744f7c2019-03-27 15:48:53 +01002375 channel_add_input(chn, htx->data);
Christopher Fauletf959d082019-02-07 15:38:42 +01002376 return 1;
2377 full:
2378 htx_reset(htx);
2379 si_rx_room_blk(si);
2380 return 0;
2381}
2382
2383/* The function returns 1 if the initialisation is complete, 0 if
2384 * an errors occurs and -1 if more data are required for initializing
2385 * the applet.
2386 */
2387static int promex_appctx_init(struct appctx *appctx, struct proxy *px, struct stream *strm)
2388{
2389 appctx->st0 = PROMEX_ST_INIT;
2390 return 1;
2391}
2392
2393/* The main I/O handler for the promex applet. */
2394static void promex_appctx_handle_io(struct appctx *appctx)
2395{
2396 struct stream_interface *si = appctx->owner;
2397 struct stream *s = si_strm(si);
2398 struct channel *req = si_oc(si);
2399 struct channel *res = si_ic(si);
2400 struct htx *req_htx, *res_htx;
2401 int ret;
2402
2403 res_htx = htx_from_buf(&res->buf);
Christopher Fauletf959d082019-02-07 15:38:42 +01002404 if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
2405 goto out;
2406
Ilya Shipitsince7b00f2020-03-23 22:28:40 +05002407 /* Check if the input buffer is available. */
Christopher Fauletf959d082019-02-07 15:38:42 +01002408 if (!b_size(&res->buf)) {
2409 si_rx_room_blk(si);
2410 goto out;
2411 }
2412
2413 switch (appctx->st0) {
2414 case PROMEX_ST_INIT:
Christopher Faulet78407ce2019-11-18 14:47:08 +01002415 ret = promex_parse_uri(appctx, si);
2416 if (ret <= 0) {
2417 if (ret == -1)
2418 goto error;
2419 goto out;
2420 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002421 appctx->st0 = PROMEX_ST_HEAD;
2422 appctx->st1 = PROMEX_DUMPER_INIT;
2423 /* fall through */
2424
2425 case PROMEX_ST_HEAD:
2426 if (!promex_send_headers(appctx, si, res_htx))
2427 goto out;
2428 appctx->st0 = ((s->txn->meth == HTTP_METH_HEAD) ? PROMEX_ST_DONE : PROMEX_ST_DUMP);
2429 /* fall through */
2430
2431 case PROMEX_ST_DUMP:
2432 ret = promex_dump_metrics(appctx, si, res_htx);
2433 if (ret <= 0) {
2434 if (ret == -1)
2435 goto error;
2436 goto out;
2437 }
2438 appctx->st0 = PROMEX_ST_DONE;
2439 /* fall through */
2440
2441 case PROMEX_ST_DONE:
Christopher Faulet54b5e212019-06-04 10:08:28 +02002442 /* Don't add TLR because mux-h1 will take care of it */
Christopher Fauletf959d082019-02-07 15:38:42 +01002443 if (!htx_add_endof(res_htx, HTX_BLK_EOM)) {
2444 si_rx_room_blk(si);
2445 goto out;
2446 }
Christopher Faulet9744f7c2019-03-27 15:48:53 +01002447 channel_add_input(res, 1);
2448 appctx->st0 = PROMEX_ST_END;
2449 /* fall through */
Christopher Fauletf959d082019-02-07 15:38:42 +01002450
Christopher Faulet9744f7c2019-03-27 15:48:53 +01002451 case PROMEX_ST_END:
2452 if (!(res->flags & CF_SHUTR)) {
2453 res->flags |= CF_READ_NULL;
2454 si_shutr(si);
2455 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002456 }
2457
Christopher Fauletf959d082019-02-07 15:38:42 +01002458 out:
2459 htx_to_buf(res_htx, &res->buf);
Christopher Faulet9744f7c2019-03-27 15:48:53 +01002460
2461 /* eat the whole request */
2462 if (co_data(req)) {
2463 req_htx = htx_from_buf(&req->buf);
2464 co_htx_skip(req, req_htx, co_data(req));
2465 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002466 return;
2467
2468 error:
2469 res->flags |= CF_READ_NULL;
2470 si_shutr(si);
2471 si_shutw(si);
2472}
2473
2474struct applet promex_applet = {
2475 .obj_type = OBJ_TYPE_APPLET,
2476 .name = "<PROMEX>", /* used for logging */
2477 .init = promex_appctx_init,
2478 .fct = promex_appctx_handle_io,
2479};
2480
2481static enum act_parse_ret service_parse_prometheus_exporter(const char **args, int *cur_arg, struct proxy *px,
2482 struct act_rule *rule, char **err)
2483{
2484 /* Prometheus exporter service is only available on "http-request" rulesets */
2485 if (rule->from != ACT_F_HTTP_REQ) {
2486 memprintf(err, "Prometheus exporter service only available on 'http-request' rulesets");
2487 return ACT_RET_PRS_ERR;
2488 }
Christopher Fauletf959d082019-02-07 15:38:42 +01002489
2490 /* Add applet pointer in the rule. */
2491 rule->applet = promex_applet;
2492
2493 return ACT_RET_PRS_OK;
2494}
2495static void promex_register_build_options(void)
2496{
2497 char *ptr = NULL;
2498
2499 memprintf(&ptr, "Built with the Prometheus exporter as a service");
2500 hap_register_build_opts(ptr, 1);
2501}
2502
2503
2504static struct action_kw_list service_actions = { ILH, {
2505 { "prometheus-exporter", service_parse_prometheus_exporter },
2506 { /* END */ }
2507}};
2508
2509INITCALL1(STG_REGISTER, service_keywords_register, &service_actions);
2510INITCALL0(STG_REGISTER, promex_register_build_options);