/* * Promex is a Prometheus exporter for HAProxy * * It is highly inspired by the official Prometheus exporter. * See: https://github.com/prometheus/haproxy_exporter * * Copyright 2019 Christopher Faulet * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Prometheus exporter applet states (appctx->st0) */ enum { PROMEX_ST_INIT = 0, /* initialized */ PROMEX_ST_HEAD, /* send headers before dump */ PROMEX_ST_DUMP, /* dumping stats */ PROMEX_ST_DONE, /* finished */ PROMEX_ST_END, /* treatment terminated */ }; /* Prometheus exporter dumper states (appctx->st1) */ enum { PROMEX_DUMPER_INIT = 0, /* initialized */ PROMEX_DUMPER_GLOBAL, /* dump metrics of globals */ PROMEX_DUMPER_FRONT, /* dump metrics of frontend proxies */ PROMEX_DUMPER_BACK, /* dump metrics of backend proxies */ PROMEX_DUMPER_LI, /* dump metrics of listeners */ PROMEX_DUMPER_SRV, /* dump metrics of servers */ PROMEX_DUMPER_DONE, /* finished */ }; /* Prometheus exporter flags (appctx->ctx.stats.flags) */ #define PROMEX_FL_METRIC_HDR 0x00000001 #define PROMEX_FL_INFO_METRIC 0x00000002 #define PROMEX_FL_STATS_METRIC 0x00000004 #define PROMEX_FL_SCOPE_GLOBAL 0x00000008 #define PROMEX_FL_SCOPE_FRONT 0x00000010 #define PROMEX_FL_SCOPE_BACK 0x00000020 #define PROMEX_FL_SCOPE_SERVER 0x00000040 #define PROMEX_FL_NO_MAINT_SRV 0x00000080 #define PROMEX_FL_SCOPE_ALL (PROMEX_FL_SCOPE_GLOBAL|PROMEX_FL_SCOPE_FRONT|PROMEX_FL_SCOPE_BACK|PROMEX_FL_SCOPE_SERVER) /* The max length for metrics name. It is a hard limit but it should be * enough. */ #define PROMEX_MAX_NAME_LEN 128 /* The expected max length for a metric dump, including its header lines. It is * just a soft limit to avoid extra work. We don't try to dump a metric if less * than this size is available in the HTX. */ #define PROMEX_MAX_METRIC_LENGTH 512 /* Matrix used to dump global metrics. Each metric points to the next one to be * processed or 0 to stop the dump. */ const int promex_global_metrics[INF_TOTAL_FIELDS] = { [INF_NAME] = INF_NBTHREAD, [INF_VERSION] = 0, [INF_RELEASE_DATE] = 0, [INF_NBTHREAD] = INF_NBPROC, [INF_NBPROC] = INF_PROCESS_NUM, [INF_PROCESS_NUM] = INF_UPTIME_SEC, [INF_PID] = 0, [INF_UPTIME] = 0, [INF_UPTIME_SEC] = INF_MEMMAX_MB, [INF_MEMMAX_MB] = INF_POOL_ALLOC_MB, [INF_POOL_ALLOC_MB] = INF_POOL_USED_MB, [INF_POOL_USED_MB] = INF_POOL_FAILED, [INF_POOL_FAILED] = INF_ULIMIT_N, [INF_ULIMIT_N] = INF_MAXSOCK, [INF_MAXSOCK] = INF_MAXCONN, [INF_MAXCONN] = INF_HARD_MAXCONN, [INF_HARD_MAXCONN] = INF_CURR_CONN, [INF_CURR_CONN] = INF_CUM_CONN, [INF_CUM_CONN] = INF_CUM_REQ, [INF_CUM_REQ] = INF_MAX_SSL_CONNS, [INF_MAX_SSL_CONNS] = INF_CURR_SSL_CONNS, [INF_CURR_SSL_CONNS] = INF_CUM_SSL_CONNS, [INF_CUM_SSL_CONNS] = INF_MAXPIPES, [INF_MAXPIPES] = INF_PIPES_USED, [INF_PIPES_USED] = INF_PIPES_FREE, [INF_PIPES_FREE] = INF_CONN_RATE, [INF_CONN_RATE] = INF_CONN_RATE_LIMIT, [INF_CONN_RATE_LIMIT] = INF_MAX_CONN_RATE, [INF_MAX_CONN_RATE] = INF_SESS_RATE, [INF_SESS_RATE] = INF_SESS_RATE_LIMIT, [INF_SESS_RATE_LIMIT] = INF_MAX_SESS_RATE, [INF_MAX_SESS_RATE] = INF_SSL_RATE, [INF_SSL_RATE] = INF_SSL_RATE_LIMIT, [INF_SSL_RATE_LIMIT] = INF_MAX_SSL_RATE, [INF_MAX_SSL_RATE] = INF_SSL_FRONTEND_KEY_RATE, [INF_SSL_FRONTEND_KEY_RATE] = INF_SSL_FRONTEND_MAX_KEY_RATE, [INF_SSL_FRONTEND_MAX_KEY_RATE] = INF_SSL_FRONTEND_SESSION_REUSE_PCT, [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = INF_SSL_BACKEND_KEY_RATE, [INF_SSL_BACKEND_KEY_RATE] = INF_SSL_BACKEND_MAX_KEY_RATE, [INF_SSL_BACKEND_MAX_KEY_RATE] = INF_SSL_CACHE_LOOKUPS, [INF_SSL_CACHE_LOOKUPS] = INF_SSL_CACHE_MISSES, [INF_SSL_CACHE_MISSES] = INF_COMPRESS_BPS_IN, [INF_COMPRESS_BPS_IN] = INF_COMPRESS_BPS_OUT, [INF_COMPRESS_BPS_OUT] = INF_COMPRESS_BPS_RATE_LIM, [INF_COMPRESS_BPS_RATE_LIM] = INF_ZLIB_MEM_USAGE, [INF_ZLIB_MEM_USAGE] = INF_MAX_ZLIB_MEM_USAGE, [INF_MAX_ZLIB_MEM_USAGE] = INF_TASKS, [INF_TASKS] = INF_RUN_QUEUE, [INF_RUN_QUEUE] = INF_IDLE_PCT, [INF_IDLE_PCT] = INF_STOPPING, [INF_NODE] = 0, [INF_DESCRIPTION] = 0, [INF_STOPPING] = INF_JOBS, [INF_JOBS] = INF_UNSTOPPABLE_JOBS, [INF_UNSTOPPABLE_JOBS] = INF_LISTENERS, [INF_LISTENERS] = INF_ACTIVE_PEERS, [INF_ACTIVE_PEERS] = INF_CONNECTED_PEERS, [INF_CONNECTED_PEERS] = INF_DROPPED_LOGS, [INF_DROPPED_LOGS] = INF_BUSY_POLLING, [INF_BUSY_POLLING] = INF_FAILED_RESOLUTIONS, [INF_FAILED_RESOLUTIONS] = INF_TOTAL_BYTES_OUT, [INF_TOTAL_BYTES_OUT] = INF_TOTAL_SPLICED_BYTES_OUT, [INF_TOTAL_SPLICED_BYTES_OUT] = INF_BYTES_OUT_RATE, [INF_BYTES_OUT_RATE] = 0, [INF_DEBUG_COMMANDS_ISSUED] = 0, }; /* Matrix used to dump frontend metrics. Each metric points to the next one to be * processed or 0 to stop the dump. */ const int promex_front_metrics[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = ST_F_STATUS, [ST_F_SVNAME] = 0, [ST_F_QCUR] = 0, [ST_F_QMAX] = 0, [ST_F_SCUR] = ST_F_SMAX, [ST_F_SMAX] = ST_F_SLIM, [ST_F_SLIM] = ST_F_STOT, [ST_F_STOT] = ST_F_RATE_LIM, [ST_F_BIN] = ST_F_BOUT, [ST_F_BOUT] = ST_F_DREQ, [ST_F_DREQ] = ST_F_DRESP, [ST_F_DRESP] = ST_F_EREQ, [ST_F_EREQ] = ST_F_DCON, [ST_F_ECON] = 0, [ST_F_ERESP] = 0, [ST_F_WRETR] = 0, [ST_F_WREDIS] = 0, [ST_F_STATUS] = ST_F_SCUR, [ST_F_WEIGHT] = 0, [ST_F_ACT] = 0, [ST_F_BCK] = 0, [ST_F_CHKFAIL] = 0, [ST_F_CHKDOWN] = 0, [ST_F_LASTCHG] = 0, [ST_F_DOWNTIME] = 0, [ST_F_QLIMIT] = 0, [ST_F_PID] = 0, [ST_F_IID] = 0, [ST_F_SID] = 0, [ST_F_THROTTLE] = 0, [ST_F_LBTOT] = 0, [ST_F_TRACKED] = 0, [ST_F_TYPE] = 0, [ST_F_RATE] = 0, [ST_F_RATE_LIM] = ST_F_RATE_MAX, [ST_F_RATE_MAX] = ST_F_CONN_RATE_MAX, [ST_F_CHECK_STATUS] = 0, [ST_F_CHECK_CODE] = 0, [ST_F_CHECK_DURATION] = 0, [ST_F_HRSP_1XX] = ST_F_HRSP_2XX, [ST_F_HRSP_2XX] = ST_F_HRSP_3XX, [ST_F_HRSP_3XX] = ST_F_HRSP_4XX, [ST_F_HRSP_4XX] = ST_F_HRSP_5XX, [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER, [ST_F_HRSP_OTHER] = ST_F_INTERCEPTED, [ST_F_HANAFAIL] = 0, [ST_F_REQ_RATE] = 0, [ST_F_REQ_RATE_MAX] = ST_F_REQ_TOT, [ST_F_REQ_TOT] = ST_F_HRSP_1XX, [ST_F_CLI_ABRT] = 0, [ST_F_SRV_ABRT] = 0, [ST_F_COMP_IN] = ST_F_COMP_OUT, [ST_F_COMP_OUT] = ST_F_COMP_BYP, [ST_F_COMP_BYP] = ST_F_COMP_RSP, [ST_F_COMP_RSP] = 0, [ST_F_LASTSESS] = 0, [ST_F_LAST_CHK] = 0, [ST_F_LAST_AGT] = 0, [ST_F_QTIME] = 0, [ST_F_CTIME] = 0, [ST_F_RTIME] = 0, [ST_F_TTIME] = 0, [ST_F_AGENT_STATUS] = 0, [ST_F_AGENT_CODE] = 0, [ST_F_AGENT_DURATION] = 0, [ST_F_CHECK_DESC] = 0, [ST_F_AGENT_DESC] = 0, [ST_F_CHECK_RISE] = 0, [ST_F_CHECK_FALL] = 0, [ST_F_CHECK_HEALTH] = 0, [ST_F_AGENT_RISE] = 0, [ST_F_AGENT_FALL] = 0, [ST_F_AGENT_HEALTH] = 0, [ST_F_ADDR] = 0, [ST_F_COOKIE] = 0, [ST_F_MODE] = 0, [ST_F_ALGO] = 0, [ST_F_CONN_RATE] = 0, [ST_F_CONN_RATE_MAX] = ST_F_CONN_TOT, [ST_F_CONN_TOT] = ST_F_BIN, [ST_F_INTERCEPTED] = ST_F_CACHE_LOOKUPS, [ST_F_DCON] = ST_F_DSES, [ST_F_DSES] = ST_F_WREW, [ST_F_WREW] = ST_F_EINT, [ST_F_CONNECT] = 0, [ST_F_REUSE] = 0, [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS, [ST_F_CACHE_HITS] = ST_F_COMP_IN, [ST_F_SRV_ICUR] = 0, [ST_F_SRV_ILIM] = 0, [ST_F_QT_MAX] = 0, [ST_F_CT_MAX] = 0, [ST_F_RT_MAX] = 0, [ST_F_TT_MAX] = 0, [ST_F_EINT] = ST_F_REQ_RATE_MAX, [ST_F_IDLE_CONN_CUR] = 0, [ST_F_SAFE_CONN_CUR] = 0, [ST_F_USED_CONN_CUR] = 0, [ST_F_NEED_CONN_EST] = 0, }; /* Matrix used to dump backend metrics. Each metric points to the next one to be * processed or 0 to stop the dump. */ const int promex_back_metrics[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = ST_F_STATUS, [ST_F_SVNAME] = 0, [ST_F_QCUR] = ST_F_QMAX, [ST_F_QMAX] = ST_F_CONNECT, [ST_F_SCUR] = ST_F_SMAX, [ST_F_SMAX] = ST_F_SLIM, [ST_F_SLIM] = ST_F_STOT, [ST_F_STOT] = ST_F_RATE_MAX, [ST_F_BIN] = ST_F_BOUT, [ST_F_BOUT] = ST_F_QTIME, [ST_F_DREQ] = ST_F_DRESP, [ST_F_DRESP] = ST_F_ECON, [ST_F_EREQ] = 0, [ST_F_ECON] = ST_F_ERESP, [ST_F_ERESP] = ST_F_WRETR, [ST_F_WRETR] = ST_F_WREDIS, [ST_F_WREDIS] = ST_F_WREW, [ST_F_STATUS] = ST_F_SCUR, [ST_F_WEIGHT] = ST_F_ACT, [ST_F_ACT] = ST_F_BCK, [ST_F_BCK] = ST_F_CHKDOWN, [ST_F_CHKFAIL] = 0, [ST_F_CHKDOWN] = ST_F_LASTCHG, [ST_F_LASTCHG] = ST_F_DOWNTIME, [ST_F_DOWNTIME] = ST_F_LBTOT, [ST_F_QLIMIT] = 0, [ST_F_PID] = 0, [ST_F_IID] = 0, [ST_F_SID] = 0, [ST_F_THROTTLE] = 0, [ST_F_LBTOT] = ST_F_REQ_TOT, [ST_F_TRACKED] = 9, [ST_F_TYPE] = 0, [ST_F_RATE] = 0, [ST_F_RATE_LIM] = 0, [ST_F_RATE_MAX] = ST_F_LASTSESS, [ST_F_CHECK_STATUS] = 0, [ST_F_CHECK_CODE] = 0, [ST_F_CHECK_DURATION] = 0, [ST_F_HRSP_1XX] = ST_F_HRSP_2XX, [ST_F_HRSP_2XX] = ST_F_HRSP_3XX, [ST_F_HRSP_3XX] = ST_F_HRSP_4XX, [ST_F_HRSP_4XX] = ST_F_HRSP_5XX, [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER, [ST_F_HRSP_OTHER] = ST_F_CACHE_LOOKUPS, [ST_F_HANAFAIL] = 0, [ST_F_REQ_RATE] = 0, [ST_F_REQ_RATE_MAX] = 0, [ST_F_REQ_TOT] = ST_F_HRSP_1XX, [ST_F_CLI_ABRT] = ST_F_SRV_ABRT, [ST_F_SRV_ABRT] = ST_F_WEIGHT, [ST_F_COMP_IN] = ST_F_COMP_OUT, [ST_F_COMP_OUT] = ST_F_COMP_BYP, [ST_F_COMP_BYP] = ST_F_COMP_RSP, [ST_F_COMP_RSP] = 0, [ST_F_LASTSESS] = ST_F_QCUR, [ST_F_LAST_CHK] = 0, [ST_F_LAST_AGT] = 0, [ST_F_QTIME] = ST_F_CTIME, [ST_F_CTIME] = ST_F_RTIME, [ST_F_RTIME] = ST_F_TTIME, [ST_F_TTIME] = ST_F_QT_MAX, [ST_F_AGENT_STATUS] = 0, [ST_F_AGENT_CODE] = 0, [ST_F_AGENT_DURATION] = 0, [ST_F_CHECK_DESC] = 0, [ST_F_AGENT_DESC] = 0, [ST_F_CHECK_RISE] = 0, [ST_F_CHECK_FALL] = 0, [ST_F_CHECK_HEALTH] = 0, [ST_F_AGENT_RISE] = 0, [ST_F_AGENT_FALL] = 0, [ST_F_AGENT_HEALTH] = 0, [ST_F_ADDR] = 0, [ST_F_COOKIE] = 0, [ST_F_MODE] = 0, [ST_F_ALGO] = 0, [ST_F_CONN_RATE] = 0, [ST_F_CONN_RATE_MAX] = 0, [ST_F_CONN_TOT] = 0, [ST_F_INTERCEPTED] = 0, [ST_F_DCON] = 0, [ST_F_DSES] = 0, [ST_F_WREW] = ST_F_EINT, [ST_F_CONNECT] = ST_F_REUSE, [ST_F_REUSE] = ST_F_BIN, [ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS, [ST_F_CACHE_HITS] = ST_F_COMP_IN, [ST_F_SRV_ICUR] = 0, [ST_F_SRV_ILIM] = 0, [ST_F_QT_MAX] = ST_F_CT_MAX, [ST_F_CT_MAX] = ST_F_RT_MAX, [ST_F_RT_MAX] = ST_F_TT_MAX, [ST_F_TT_MAX] = ST_F_DREQ, [ST_F_EINT] = ST_F_CLI_ABRT, [ST_F_IDLE_CONN_CUR] = 0, [ST_F_SAFE_CONN_CUR] = 0, [ST_F_USED_CONN_CUR] = 0, [ST_F_NEED_CONN_EST] = 0, }; /* Matrix used to dump server metrics. Each metric points to the next one to be * processed or 0 to stop the dump. */ const int promex_srv_metrics[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = ST_F_STATUS, [ST_F_SVNAME] = 0, [ST_F_QCUR] = ST_F_QMAX, [ST_F_QMAX] = ST_F_QLIMIT, [ST_F_SCUR] = ST_F_SMAX, [ST_F_SMAX] = ST_F_SLIM, [ST_F_SLIM] = ST_F_STOT, [ST_F_STOT] = ST_F_RATE_MAX, [ST_F_BIN] = ST_F_BOUT, [ST_F_BOUT] = ST_F_QTIME, [ST_F_DREQ] = 0, [ST_F_DRESP] = ST_F_ECON, [ST_F_EREQ] = 0, [ST_F_ECON] = ST_F_ERESP, [ST_F_ERESP] = ST_F_WRETR, [ST_F_WRETR] = ST_F_WREDIS, [ST_F_WREDIS] = ST_F_WREW, [ST_F_STATUS] = ST_F_SCUR, [ST_F_WEIGHT] = ST_F_CHECK_STATUS, [ST_F_ACT] = 0, [ST_F_BCK] = 0, [ST_F_CHKFAIL] = ST_F_CHKDOWN, [ST_F_CHKDOWN] = ST_F_DOWNTIME, [ST_F_LASTCHG] = ST_F_THROTTLE, [ST_F_DOWNTIME] = ST_F_LASTCHG, [ST_F_QLIMIT] = ST_F_BIN, [ST_F_PID] = 0, [ST_F_IID] = 0, [ST_F_SID] = 0, [ST_F_THROTTLE] = ST_F_LBTOT, [ST_F_LBTOT] = ST_F_HRSP_1XX, [ST_F_TRACKED] = 0, [ST_F_TYPE] = 0, [ST_F_RATE] = 0, [ST_F_RATE_LIM] = 0, [ST_F_RATE_MAX] = ST_F_LASTSESS, [ST_F_CHECK_STATUS] = ST_F_CHECK_CODE, [ST_F_CHECK_CODE] = ST_F_CHECK_DURATION, [ST_F_CHECK_DURATION] = ST_F_CHKFAIL, [ST_F_HRSP_1XX] = ST_F_HRSP_2XX, [ST_F_HRSP_2XX] = ST_F_HRSP_3XX, [ST_F_HRSP_3XX] = ST_F_HRSP_4XX, [ST_F_HRSP_4XX] = ST_F_HRSP_5XX, [ST_F_HRSP_5XX] = ST_F_HRSP_OTHER, [ST_F_HRSP_OTHER] = ST_F_SRV_ICUR, [ST_F_HANAFAIL] = 0, [ST_F_REQ_RATE] = 0, [ST_F_REQ_RATE_MAX] = 0, [ST_F_REQ_TOT] = 0, [ST_F_CLI_ABRT] = ST_F_SRV_ABRT, [ST_F_SRV_ABRT] = ST_F_WEIGHT, [ST_F_COMP_IN] = 0, [ST_F_COMP_OUT] = 0, [ST_F_COMP_BYP] = 0, [ST_F_COMP_RSP] = 0, [ST_F_LASTSESS] = ST_F_QCUR, [ST_F_LAST_CHK] = 0, [ST_F_LAST_AGT] = 0, [ST_F_QTIME] = ST_F_CTIME, [ST_F_CTIME] = ST_F_RTIME, [ST_F_RTIME] = ST_F_TTIME, [ST_F_TTIME] = ST_F_QT_MAX, [ST_F_AGENT_STATUS] = 0, [ST_F_AGENT_CODE] = 0, [ST_F_AGENT_DURATION] = 0, [ST_F_CHECK_DESC] = 0, [ST_F_AGENT_DESC] = 0, [ST_F_CHECK_RISE] = 0, [ST_F_CHECK_FALL] = 0, [ST_F_CHECK_HEALTH] = 0, [ST_F_AGENT_RISE] = 0, [ST_F_AGENT_FALL] = 0, [ST_F_AGENT_HEALTH] = 0, [ST_F_ADDR] = 0, [ST_F_COOKIE] = 0, [ST_F_MODE] = 0, [ST_F_ALGO] = 0, [ST_F_CONN_RATE] = 0, [ST_F_CONN_RATE_MAX] = 0, [ST_F_CONN_TOT] = 0, [ST_F_INTERCEPTED] = 0, [ST_F_DCON] = 0, [ST_F_DSES] = 0, [ST_F_WREW] = ST_F_EINT, [ST_F_CONNECT] = ST_F_REUSE, [ST_F_REUSE] = ST_F_DRESP, [ST_F_CACHE_LOOKUPS] = 0, [ST_F_CACHE_HITS] = 0, [ST_F_SRV_ICUR] = ST_F_SRV_ILIM, [ST_F_SRV_ILIM] = ST_F_IDLE_CONN_CUR, [ST_F_QT_MAX] = ST_F_CT_MAX, [ST_F_CT_MAX] = ST_F_RT_MAX, [ST_F_RT_MAX] = ST_F_TT_MAX, [ST_F_TT_MAX] = ST_F_CONNECT, [ST_F_EINT] = ST_F_CLI_ABRT, [ST_F_IDLE_CONN_CUR] = ST_F_SAFE_CONN_CUR, [ST_F_SAFE_CONN_CUR] = ST_F_USED_CONN_CUR, [ST_F_USED_CONN_CUR] = ST_F_NEED_CONN_EST, [ST_F_NEED_CONN_EST] = 0, }; /* Name of all info fields */ const struct ist promex_inf_metric_names[INF_TOTAL_FIELDS] = { [INF_NAME] = IST("name"), [INF_VERSION] = IST("version"), [INF_RELEASE_DATE] = IST("release_date"), [INF_NBTHREAD] = IST("nbthread"), [INF_NBPROC] = IST("nbproc"), [INF_PROCESS_NUM] = IST("relative_process_id"), [INF_PID] = IST("pid"), [INF_UPTIME] = IST("uptime"), [INF_UPTIME_SEC] = IST("start_time_seconds"), [INF_MEMMAX_MB] = IST("max_memory_bytes"), [INF_POOL_ALLOC_MB] = IST("pool_allocated_bytes"), [INF_POOL_USED_MB] = IST("pool_used_bytes"), [INF_POOL_FAILED] = IST("pool_failures_total"), [INF_ULIMIT_N] = IST("max_fds"), [INF_MAXSOCK] = IST("max_sockets"), [INF_MAXCONN] = IST("max_connections"), [INF_HARD_MAXCONN] = IST("hard_max_connections"), [INF_CURR_CONN] = IST("current_connections"), [INF_CUM_CONN] = IST("connections_total"), [INF_CUM_REQ] = IST("requests_total"), [INF_MAX_SSL_CONNS] = IST("max_ssl_connections"), [INF_CURR_SSL_CONNS] = IST("current_ssl_connections"), [INF_CUM_SSL_CONNS] = IST("ssl_connections_total"), [INF_MAXPIPES] = IST("max_pipes"), [INF_PIPES_USED] = IST("pipes_used_total"), [INF_PIPES_FREE] = IST("pipes_free_total"), [INF_CONN_RATE] = IST("current_connection_rate"), [INF_CONN_RATE_LIMIT] = IST("limit_connection_rate"), [INF_MAX_CONN_RATE] = IST("max_connection_rate"), [INF_SESS_RATE] = IST("current_session_rate"), [INF_SESS_RATE_LIMIT] = IST("limit_session_rate"), [INF_MAX_SESS_RATE] = IST("max_session_rate"), [INF_SSL_RATE] = IST("current_ssl_rate"), [INF_SSL_RATE_LIMIT] = IST("limit_ssl_rate"), [INF_MAX_SSL_RATE] = IST("max_ssl_rate"), [INF_SSL_FRONTEND_KEY_RATE] = IST("current_frontend_ssl_key_rate"), [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("max_frontend_ssl_key_rate"), [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("frontend_ssl_reuse"), [INF_SSL_BACKEND_KEY_RATE] = IST("current_backend_ssl_key_rate"), [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("max_backend_ssl_key_rate"), [INF_SSL_CACHE_LOOKUPS] = IST("ssl_cache_lookups_total"), [INF_SSL_CACHE_MISSES] = IST("ssl_cache_misses_total"), [INF_COMPRESS_BPS_IN] = IST("http_comp_bytes_in_total"), [INF_COMPRESS_BPS_OUT] = IST("http_comp_bytes_out_total"), [INF_COMPRESS_BPS_RATE_LIM] = IST("limit_http_comp"), [INF_ZLIB_MEM_USAGE] = IST("current_zlib_memory"), [INF_MAX_ZLIB_MEM_USAGE] = IST("max_zlib_memory"), [INF_TASKS] = IST("current_tasks"), [INF_RUN_QUEUE] = IST("current_run_queue"), [INF_IDLE_PCT] = IST("idle_time_percent"), [INF_NODE] = IST("node"), [INF_DESCRIPTION] = IST("description"), [INF_STOPPING] = IST("stopping"), [INF_JOBS] = IST("jobs"), [INF_UNSTOPPABLE_JOBS] = IST("unstoppable_jobs"), [INF_LISTENERS] = IST("listeners"), [INF_ACTIVE_PEERS] = IST("active_peers"), [INF_CONNECTED_PEERS] = IST("connected_peers"), [INF_DROPPED_LOGS] = IST("dropped_logs_total"), [INF_BUSY_POLLING] = IST("busy_polling_enabled"), [INF_FAILED_RESOLUTIONS] = IST("failed_resolutions"), [INF_TOTAL_BYTES_OUT] = IST("bytes_out_total"), [INF_TOTAL_SPLICED_BYTES_OUT] = IST("spliced_bytes_out_total"), [INF_BYTES_OUT_RATE] = IST("bytes_out_rate"), [INF_DEBUG_COMMANDS_ISSUED] = IST("debug_commands_issued"), }; /* Name of all stats fields */ const struct ist promex_st_metric_names[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = IST("proxy_name"), [ST_F_SVNAME] = IST("service_name"), [ST_F_QCUR] = IST("current_queue"), [ST_F_QMAX] = IST("max_queue"), [ST_F_SCUR] = IST("current_sessions"), [ST_F_SMAX] = IST("max_sessions"), [ST_F_SLIM] = IST("limit_sessions"), [ST_F_STOT] = IST("sessions_total"), [ST_F_BIN] = IST("bytes_in_total"), [ST_F_BOUT] = IST("bytes_out_total"), [ST_F_DREQ] = IST("requests_denied_total"), [ST_F_DRESP] = IST("responses_denied_total"), [ST_F_EREQ] = IST("request_errors_total"), [ST_F_ECON] = IST("connection_errors_total"), [ST_F_ERESP] = IST("response_errors_total"), [ST_F_WRETR] = IST("retry_warnings_total"), [ST_F_WREDIS] = IST("redispatch_warnings_total"), [ST_F_STATUS] = IST("status"), [ST_F_WEIGHT] = IST("weight"), [ST_F_ACT] = IST("active_servers"), [ST_F_BCK] = IST("backup_servers"), [ST_F_CHKFAIL] = IST("check_failures_total"), [ST_F_CHKDOWN] = IST("check_up_down_total"), [ST_F_LASTCHG] = IST("check_last_change_seconds"), [ST_F_DOWNTIME] = IST("downtime_seconds_total"), [ST_F_QLIMIT] = IST("queue_limit"), [ST_F_PID] = IST("pid"), [ST_F_IID] = IST("proxy_id"), [ST_F_SID] = IST("server_id"), [ST_F_THROTTLE] = IST("current_throttle"), [ST_F_LBTOT] = IST("loadbalanced_total"), [ST_F_TRACKED] = IST("tracked"), [ST_F_TYPE] = IST("type"), [ST_F_RATE] = IST("current_session_rate"), [ST_F_RATE_LIM] = IST("limit_session_rate"), [ST_F_RATE_MAX] = IST("max_session_rate"), [ST_F_CHECK_STATUS] = IST("check_status"), [ST_F_CHECK_CODE] = IST("check_code"), [ST_F_CHECK_DURATION] = IST("check_duration_seconds"), [ST_F_HRSP_1XX] = IST("http_responses_total"), [ST_F_HRSP_2XX] = IST("http_responses_total"), [ST_F_HRSP_3XX] = IST("http_responses_total"), [ST_F_HRSP_4XX] = IST("http_responses_total"), [ST_F_HRSP_5XX] = IST("http_responses_total"), [ST_F_HRSP_OTHER] = IST("http_responses_total"), [ST_F_HANAFAIL] = IST("check_analyses_failures_total"), [ST_F_REQ_RATE] = IST("http_requests_rate_current"), [ST_F_REQ_RATE_MAX] = IST("http_requests_rate_max"), [ST_F_REQ_TOT] = IST("http_requests_total"), [ST_F_CLI_ABRT] = IST("client_aborts_total"), [ST_F_SRV_ABRT] = IST("server_aborts_total"), [ST_F_COMP_IN] = IST("http_comp_bytes_in_total"), [ST_F_COMP_OUT] = IST("http_comp_bytes_out_total"), [ST_F_COMP_BYP] = IST("http_comp_bytes_bypassed_total"), [ST_F_COMP_RSP] = IST("http_comp_responses_total"), [ST_F_LASTSESS] = IST("last_session_seconds"), [ST_F_LAST_CHK] = IST("check_last_content"), [ST_F_LAST_AGT] = IST("agentcheck_last_content"), [ST_F_QTIME] = IST("queue_time_average_seconds"), [ST_F_CTIME] = IST("connect_time_average_seconds"), [ST_F_RTIME] = IST("response_time_average_seconds"), [ST_F_TTIME] = IST("total_time_average_seconds"), [ST_F_AGENT_STATUS] = IST("agentcheck_status"), [ST_F_AGENT_CODE] = IST("agentcheck_code"), [ST_F_AGENT_DURATION] = IST("agentcheck_duration_milliseconds"), [ST_F_CHECK_DESC] = IST("check_description"), [ST_F_AGENT_DESC] = IST("agentcheck_description"), [ST_F_CHECK_RISE] = IST("check_rise"), [ST_F_CHECK_FALL] = IST("check_fall"), [ST_F_CHECK_HEALTH] = IST("check_value"), [ST_F_AGENT_RISE] = IST("agentcheck_rise"), [ST_F_AGENT_FALL] = IST("agentcheck_fall"), [ST_F_AGENT_HEALTH] = IST("agentcheck_value"), [ST_F_ADDR] = IST("address"), [ST_F_COOKIE] = IST("cookie"), [ST_F_MODE] = IST("mode"), [ST_F_ALGO] = IST("loadbalance_algorithm"), [ST_F_CONN_RATE] = IST("connections_rate_current"), [ST_F_CONN_RATE_MAX] = IST("connections_rate_max"), [ST_F_CONN_TOT] = IST("connections_total"), [ST_F_INTERCEPTED] = IST("intercepted_requests_total"), [ST_F_DCON] = IST("denied_connections_total"), [ST_F_DSES] = IST("denied_sessions_total"), [ST_F_WREW] = IST("failed_header_rewriting_total"), [ST_F_CONNECT] = IST("connection_attempts_total"), [ST_F_REUSE] = IST("connection_reuses_total"), [ST_F_CACHE_LOOKUPS] = IST("http_cache_lookups_total"), [ST_F_CACHE_HITS] = IST("http_cache_hits_total"), [ST_F_SRV_ICUR] = IST("idle_connections_current"), [ST_F_SRV_ILIM] = IST("idle_connections_limit"), [ST_F_QT_MAX] = IST("max_queue_time_seconds"), [ST_F_CT_MAX] = IST("max_connect_time_seconds"), [ST_F_RT_MAX] = IST("max_response_time_seconds"), [ST_F_TT_MAX] = IST("max_total_time_seconds"), [ST_F_EINT] = IST("internal_errors_total"), [ST_F_IDLE_CONN_CUR] = IST("unsafe_idle_connections_current"), [ST_F_SAFE_CONN_CUR] = IST("safe_idle_connections_current"), [ST_F_USED_CONN_CUR] = IST("used_connections_current"), [ST_F_NEED_CONN_EST] = IST("need_connections_current"), }; /* Description of all info fields */ const struct ist promex_inf_metric_desc[INF_TOTAL_FIELDS] = { [INF_NAME] = IST("Product name."), [INF_VERSION] = IST("HAProxy version."), [INF_RELEASE_DATE] = IST("HAProxy release date."), [INF_NBTHREAD] = IST("Configured number of threads."), [INF_NBPROC] = IST("Configured number of processes."), [INF_PROCESS_NUM] = IST("Relative process id, starting at 1."), [INF_PID] = IST("HAProxy PID."), [INF_UPTIME] = IST("Uptime in a human readable format."), [INF_UPTIME_SEC] = IST("Start time in seconds."), [INF_MEMMAX_MB] = IST("Per-process memory limit (in bytes); 0=unset."), [INF_POOL_ALLOC_MB] = IST("Total amount of memory allocated in pools (in bytes)."), [INF_POOL_USED_MB] = IST("Total amount of memory used in pools (in bytes)."), [INF_POOL_FAILED] = IST("Total number of failed pool allocations."), [INF_ULIMIT_N] = IST("Maximum number of open file descriptors; 0=unset."), [INF_MAXSOCK] = IST("Maximum number of open sockets."), [INF_MAXCONN] = IST("Maximum number of concurrent connections."), [INF_HARD_MAXCONN] = IST("Initial Maximum number of concurrent connections."), [INF_CURR_CONN] = IST("Number of active sessions."), [INF_CUM_CONN] = IST("Total number of created sessions."), [INF_CUM_REQ] = IST("Total number of requests (TCP or HTTP)."), [INF_MAX_SSL_CONNS] = IST("Configured maximum number of concurrent SSL connections."), [INF_CURR_SSL_CONNS] = IST("Number of opened SSL connections."), [INF_CUM_SSL_CONNS] = IST("Total number of opened SSL connections."), [INF_MAXPIPES] = IST("Configured maximum number of pipes."), [INF_PIPES_USED] = IST("Number of pipes in used."), [INF_PIPES_FREE] = IST("Number of pipes unused."), [INF_CONN_RATE] = IST("Current number of connections per second over last elapsed second."), [INF_CONN_RATE_LIMIT] = IST("Configured maximum number of connections per second."), [INF_MAX_CONN_RATE] = IST("Maximum observed number of connections per second."), [INF_SESS_RATE] = IST("Current number of sessions per second over last elapsed second."), [INF_SESS_RATE_LIMIT] = IST("Configured maximum number of sessions per second."), [INF_MAX_SESS_RATE] = IST("Maximum observed number of sessions per second."), [INF_SSL_RATE] = IST("Current number of SSL sessions per second over last elapsed second."), [INF_SSL_RATE_LIMIT] = IST("Configured maximum number of SSL sessions per second."), [INF_MAX_SSL_RATE] = IST("Maximum observed number of SSL sessions per second."), [INF_SSL_FRONTEND_KEY_RATE] = IST("Current frontend SSL Key computation per second over last elapsed second."), [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("Maximum observed frontend SSL Key computation per second."), [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("SSL session reuse ratio (percent)."), [INF_SSL_BACKEND_KEY_RATE] = IST("Current backend SSL Key computation per second over last elapsed second."), [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("Maximum observed backend SSL Key computation per second."), [INF_SSL_CACHE_LOOKUPS] = IST("Total number of SSL session cache lookups."), [INF_SSL_CACHE_MISSES] = IST("Total number of SSL session cache misses."), [INF_COMPRESS_BPS_IN] = IST("Number of bytes per second over last elapsed second, before http compression."), [INF_COMPRESS_BPS_OUT] = IST("Number of bytes per second over last elapsed second, after http compression."), [INF_COMPRESS_BPS_RATE_LIM] = IST("Configured maximum input compression rate in bytes."), [INF_ZLIB_MEM_USAGE] = IST("Current memory used for zlib in bytes."), [INF_MAX_ZLIB_MEM_USAGE] = IST("Configured maximum amount of memory for zlib in bytes."), [INF_TASKS] = IST("Current number of tasks."), [INF_RUN_QUEUE] = IST("Current number of tasks in the run-queue."), [INF_IDLE_PCT] = IST("Idle to total ratio over last sample (percent)."), [INF_NODE] = IST("Node name."), [INF_DESCRIPTION] = IST("Node description."), [INF_STOPPING] = IST("Non zero means stopping in progress."), [INF_JOBS] = IST("Current number of active jobs (listeners, sessions, open devices)."), [INF_UNSTOPPABLE_JOBS] = IST("Current number of active jobs that can't be stopped during a soft stop."), [INF_LISTENERS] = IST("Current number of active listeners."), [INF_ACTIVE_PEERS] = IST("Current number of active peers."), [INF_CONNECTED_PEERS] = IST("Current number of connected peers."), [INF_DROPPED_LOGS] = IST("Total number of dropped logs."), [INF_BUSY_POLLING] = IST("Non zero if the busy polling is enabled."), [INF_FAILED_RESOLUTIONS] = IST("Total number of failed DNS resolutions."), [INF_TOTAL_BYTES_OUT] = IST("Total number of bytes emitted."), [INF_TOTAL_SPLICED_BYTES_OUT] = IST("Total number of bytes emitted through a kernel pipe."), [INF_BYTES_OUT_RATE] = IST("Number of bytes emitted over the last elapsed second."), [INF_DEBUG_COMMANDS_ISSUED] = IST("Number of debug commands issued on this process (anything > 0 is unsafe)."), }; /* Description of all stats fields */ const struct ist promex_st_metric_desc[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = IST("The proxy name."), [ST_F_SVNAME] = IST("The service name (FRONTEND for frontend, BACKEND for backend, any name for server/listener)."), [ST_F_QCUR] = IST("Current number of queued requests."), [ST_F_QMAX] = IST("Maximum observed number of queued requests."), [ST_F_SCUR] = IST("Current number of active sessions."), [ST_F_SMAX] = IST("Maximum observed number of active sessions."), [ST_F_SLIM] = IST("Configured session limit."), [ST_F_STOT] = IST("Total number of sessions."), [ST_F_BIN] = IST("Current total of incoming bytes."), [ST_F_BOUT] = IST("Current total of outgoing bytes."), [ST_F_DREQ] = IST("Total number of denied requests."), [ST_F_DRESP] = IST("Total number of denied responses."), [ST_F_EREQ] = IST("Total number of request errors."), [ST_F_ECON] = IST("Total number of connection errors."), [ST_F_ERESP] = IST("Total number of response errors."), [ST_F_WRETR] = IST("Total number of retry warnings."), [ST_F_WREDIS] = IST("Total number of redispatch warnings."), [ST_F_STATUS] = IST("Current status of the service (frontend: 0=STOP, 1=UP - backend: 0=DOWN, 1=UP - server: 0=DOWN, 1=UP, 2=MAINT, 3=DRAIN, 4=NOLB)."), [ST_F_WEIGHT] = IST("Service weight."), [ST_F_ACT] = IST("Current number of active servers."), [ST_F_BCK] = IST("Current number of backup servers."), [ST_F_CHKFAIL] = IST("Total number of failed check (Only counts checks failed when the server is up)."), [ST_F_CHKDOWN] = IST("Total number of UP->DOWN transitions."), [ST_F_LASTCHG] = IST("Number of seconds since the last UP<->DOWN transition."), [ST_F_DOWNTIME] = IST("Total downtime (in seconds) for the service."), [ST_F_QLIMIT] = IST("Configured maxqueue for the server (0 meaning no limit)."), [ST_F_PID] = IST("Process id (0 for first instance, 1 for second, ...)"), [ST_F_IID] = IST("Unique proxy id."), [ST_F_SID] = IST("Server id (unique inside a proxy)."), [ST_F_THROTTLE] = IST("Current throttle percentage for the server, when slowstart is active, or no value if not in slowstart."), [ST_F_LBTOT] = IST("Total number of times a service was selected, either for new sessions, or when redispatching."), [ST_F_TRACKED] = IST("Id of proxy/server if tracking is enabled."), [ST_F_TYPE] = IST("Service type (0=frontend, 1=backend, 2=server, 3=socket/listener)."), [ST_F_RATE] = IST("Current number of sessions per second over last elapsed second."), [ST_F_RATE_LIM] = IST("Configured limit on new sessions per second."), [ST_F_RATE_MAX] = IST("Maximum observed number of sessions per second."), [ST_F_CHECK_STATUS] = IST("Status of last health check (HCHK_STATUS_* values)."), [ST_F_CHECK_CODE] = IST("layer5-7 code, if available of the last health check."), [ST_F_CHECK_DURATION] = IST("Total duration of the latest server health check, in seconds."), [ST_F_HRSP_1XX] = IST("Total number of HTTP responses."), [ST_F_HRSP_2XX] = IST("Total number of HTTP responses."), [ST_F_HRSP_3XX] = IST("Total number of HTTP responses."), [ST_F_HRSP_4XX] = IST("Total number of HTTP responses."), [ST_F_HRSP_5XX] = IST("Total number of HTTP responses."), [ST_F_HRSP_OTHER] = IST("Total number of HTTP responses."), [ST_F_HANAFAIL] = IST("Total number of failed health checks."), [ST_F_REQ_RATE] = IST("Current number of HTTP requests per second over last elapsed second."), [ST_F_REQ_RATE_MAX] = IST("Maximum observed number of HTTP requests per second."), [ST_F_REQ_TOT] = IST("Total number of HTTP requests received."), [ST_F_CLI_ABRT] = IST("Total number of data transfers aborted by the client."), [ST_F_SRV_ABRT] = IST("Total number of data transfers aborted by the server."), [ST_F_COMP_IN] = IST("Total number of HTTP response bytes fed to the compressor."), [ST_F_COMP_OUT] = IST("Total number of HTTP response bytes emitted by the compressor."), [ST_F_COMP_BYP] = IST("Total number of bytes that bypassed the HTTP compressor (CPU/BW limit)."), [ST_F_COMP_RSP] = IST("Total number of HTTP responses that were compressed."), [ST_F_LASTSESS] = IST("Number of seconds since last session assigned to server/backend."), [ST_F_LAST_CHK] = IST("Last health check contents or textual error"), [ST_F_LAST_AGT] = IST("Last agent check contents or textual error"), [ST_F_QTIME] = IST("Avg. queue time for last 1024 successful connections."), [ST_F_CTIME] = IST("Avg. connect time for last 1024 successful connections."), [ST_F_RTIME] = IST("Avg. response time for last 1024 successful connections."), [ST_F_TTIME] = IST("Avg. total time for last 1024 successful connections."), [ST_F_AGENT_STATUS] = IST("Status of last agent check."), [ST_F_AGENT_CODE] = IST("Numeric code reported by agent if any (unused for now)."), [ST_F_AGENT_DURATION] = IST("Time in ms taken to finish last agent check."), [ST_F_CHECK_DESC] = IST("Short human-readable description of the last health status."), [ST_F_AGENT_DESC] = IST("Short human-readable description of the last agent status."), [ST_F_CHECK_RISE] = IST("Server's \"rise\" parameter used by health checks"), [ST_F_CHECK_FALL] = IST("Server's \"fall\" parameter used by health checks"), [ST_F_CHECK_HEALTH] = IST("Server's health check value between 0 and rise+fall-1"), [ST_F_AGENT_RISE] = IST("Agent's \"rise\" parameter, normally 1."), [ST_F_AGENT_FALL] = IST("Agent's \"fall\" parameter, normally 1."), [ST_F_AGENT_HEALTH] = IST("Agent's health parameter, between 0 and rise+fall-1"), [ST_F_ADDR] = IST("address:port or \"unix\". IPv6 has brackets around the address."), [ST_F_COOKIE] = IST("Server's cookie value or backend's cookie name."), [ST_F_MODE] = IST("Proxy mode (tcp, http, health, unknown)."), [ST_F_ALGO] = IST("Load balancing algorithm."), [ST_F_CONN_RATE] = IST("Current number of connections per second over the last elapsed second."), [ST_F_CONN_RATE_MAX] = IST("Maximum observed number of connections per second."), [ST_F_CONN_TOT] = IST("Total number of connections."), [ST_F_INTERCEPTED] = IST("Total number of intercepted HTTP requests."), [ST_F_DCON] = IST("Total number of requests denied by \"tcp-request connection\" rules."), [ST_F_DSES] = IST("Total number of requests denied by \"tcp-request session\" rules."), [ST_F_WREW] = IST("Total number of failed header rewriting warnings."), [ST_F_CONNECT] = IST("Total number of connection establishment attempts."), [ST_F_REUSE] = IST("Total number of connection reuses."), [ST_F_CACHE_LOOKUPS] = IST("Total number of HTTP cache lookups."), [ST_F_CACHE_HITS] = IST("Total number of HTTP cache hits."), [ST_F_SRV_ICUR] = IST("Current number of idle connections available for reuse"), [ST_F_SRV_ILIM] = IST("Limit on the number of available idle connections"), [ST_F_QT_MAX] = IST("Maximum observed time spent in the queue"), [ST_F_CT_MAX] = IST("Maximum observed time spent waiting for a connection to complete"), [ST_F_RT_MAX] = IST("Maximum observed time spent waiting for a server response"), [ST_F_TT_MAX] = IST("Maximum observed total request+response time (request+queue+connect+response+processing)"), [ST_F_EINT] = IST("Total number of internal errors."), [ST_F_IDLE_CONN_CUR] = IST("Current number of unsafe idle connections."), [ST_F_SAFE_CONN_CUR] = IST("Current number of safe idle connections."), [ST_F_USED_CONN_CUR] = IST("Current number of connections in use."), [ST_F_NEED_CONN_EST] = IST("Estimated needed number of connections."), }; /* Specific labels for all info fields. Empty by default. */ const struct ist promex_inf_metric_labels[INF_TOTAL_FIELDS] = { [INF_NAME] = IST(""), [INF_VERSION] = IST(""), [INF_RELEASE_DATE] = IST(""), [INF_NBTHREAD] = IST(""), [INF_NBPROC] = IST(""), [INF_PROCESS_NUM] = IST(""), [INF_PID] = IST(""), [INF_UPTIME] = IST(""), [INF_UPTIME_SEC] = IST(""), [INF_MEMMAX_MB] = IST(""), [INF_POOL_ALLOC_MB] = IST(""), [INF_POOL_USED_MB] = IST(""), [INF_POOL_FAILED] = IST(""), [INF_ULIMIT_N] = IST(""), [INF_MAXSOCK] = IST(""), [INF_MAXCONN] = IST(""), [INF_HARD_MAXCONN] = IST(""), [INF_CURR_CONN] = IST(""), [INF_CUM_CONN] = IST(""), [INF_CUM_REQ] = IST(""), [INF_MAX_SSL_CONNS] = IST(""), [INF_CURR_SSL_CONNS] = IST(""), [INF_CUM_SSL_CONNS] = IST(""), [INF_MAXPIPES] = IST(""), [INF_PIPES_USED] = IST(""), [INF_PIPES_FREE] = IST(""), [INF_CONN_RATE] = IST(""), [INF_CONN_RATE_LIMIT] = IST(""), [INF_MAX_CONN_RATE] = IST(""), [INF_SESS_RATE] = IST(""), [INF_SESS_RATE_LIMIT] = IST(""), [INF_MAX_SESS_RATE] = IST(""), [INF_SSL_RATE] = IST(""), [INF_SSL_RATE_LIMIT] = IST(""), [INF_MAX_SSL_RATE] = IST(""), [INF_SSL_FRONTEND_KEY_RATE] = IST(""), [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST(""), [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST(""), [INF_SSL_BACKEND_KEY_RATE] = IST(""), [INF_SSL_BACKEND_MAX_KEY_RATE] = IST(""), [INF_SSL_CACHE_LOOKUPS] = IST(""), [INF_SSL_CACHE_MISSES] = IST(""), [INF_COMPRESS_BPS_IN] = IST(""), [INF_COMPRESS_BPS_OUT] = IST(""), [INF_COMPRESS_BPS_RATE_LIM] = IST(""), [INF_ZLIB_MEM_USAGE] = IST(""), [INF_MAX_ZLIB_MEM_USAGE] = IST(""), [INF_TASKS] = IST(""), [INF_RUN_QUEUE] = IST(""), [INF_IDLE_PCT] = IST(""), [INF_NODE] = IST(""), [INF_DESCRIPTION] = IST(""), [INF_STOPPING] = IST(""), [INF_JOBS] = IST(""), [INF_UNSTOPPABLE_JOBS] = IST(""), [INF_LISTENERS] = IST(""), [INF_ACTIVE_PEERS] = IST(""), [INF_CONNECTED_PEERS] = IST(""), [INF_DROPPED_LOGS] = IST(""), [INF_BUSY_POLLING] = IST(""), [INF_FAILED_RESOLUTIONS] = IST(""), [INF_TOTAL_BYTES_OUT] = IST(""), [INF_TOTAL_SPLICED_BYTES_OUT] = IST(""), [INF_BYTES_OUT_RATE] = IST(""), [INF_DEBUG_COMMANDS_ISSUED] = IST(""), }; /* Specific labels for all stats fields. Empty by default. */ const struct ist promex_st_metric_labels[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = IST(""), [ST_F_SVNAME] = IST(""), [ST_F_QCUR] = IST(""), [ST_F_QMAX] = IST(""), [ST_F_SCUR] = IST(""), [ST_F_SMAX] = IST(""), [ST_F_SLIM] = IST(""), [ST_F_STOT] = IST(""), [ST_F_BIN] = IST(""), [ST_F_BOUT] = IST(""), [ST_F_DREQ] = IST(""), [ST_F_DRESP] = IST(""), [ST_F_EREQ] = IST(""), [ST_F_ECON] = IST(""), [ST_F_ERESP] = IST(""), [ST_F_WRETR] = IST(""), [ST_F_WREDIS] = IST(""), [ST_F_STATUS] = IST(""), [ST_F_WEIGHT] = IST(""), [ST_F_ACT] = IST(""), [ST_F_BCK] = IST(""), [ST_F_CHKFAIL] = IST(""), [ST_F_CHKDOWN] = IST(""), [ST_F_LASTCHG] = IST(""), [ST_F_DOWNTIME] = IST(""), [ST_F_QLIMIT] = IST(""), [ST_F_PID] = IST(""), [ST_F_IID] = IST(""), [ST_F_SID] = IST(""), [ST_F_THROTTLE] = IST(""), [ST_F_LBTOT] = IST(""), [ST_F_TRACKED] = IST(""), [ST_F_TYPE] = IST(""), [ST_F_RATE] = IST(""), [ST_F_RATE_LIM] = IST(""), [ST_F_RATE_MAX] = IST(""), [ST_F_CHECK_STATUS] = IST(""), [ST_F_CHECK_CODE] = IST(""), [ST_F_CHECK_DURATION] = IST(""), [ST_F_HRSP_1XX] = IST("code=\"1xx\""), [ST_F_HRSP_2XX] = IST("code=\"2xx\""), [ST_F_HRSP_3XX] = IST("code=\"3xx\""), [ST_F_HRSP_4XX] = IST("code=\"4xx\""), [ST_F_HRSP_5XX] = IST("code=\"5xx\""), [ST_F_HRSP_OTHER] = IST("code=\"other\""), [ST_F_HANAFAIL] = IST(""), [ST_F_REQ_RATE] = IST(""), [ST_F_REQ_RATE_MAX] = IST(""), [ST_F_REQ_TOT] = IST(""), [ST_F_CLI_ABRT] = IST(""), [ST_F_SRV_ABRT] = IST(""), [ST_F_COMP_IN] = IST(""), [ST_F_COMP_OUT] = IST(""), [ST_F_COMP_BYP] = IST(""), [ST_F_COMP_RSP] = IST(""), [ST_F_LASTSESS] = IST(""), [ST_F_LAST_CHK] = IST(""), [ST_F_LAST_AGT] = IST(""), [ST_F_QTIME] = IST(""), [ST_F_CTIME] = IST(""), [ST_F_RTIME] = IST(""), [ST_F_TTIME] = IST(""), [ST_F_AGENT_STATUS] = IST(""), [ST_F_AGENT_CODE] = IST(""), [ST_F_AGENT_DURATION] = IST(""), [ST_F_CHECK_DESC] = IST(""), [ST_F_AGENT_DESC] = IST(""), [ST_F_CHECK_RISE] = IST(""), [ST_F_CHECK_FALL] = IST(""), [ST_F_CHECK_HEALTH] = IST(""), [ST_F_AGENT_RISE] = IST(""), [ST_F_AGENT_FALL] = IST(""), [ST_F_AGENT_HEALTH] = IST(""), [ST_F_ADDR] = IST(""), [ST_F_COOKIE] = IST(""), [ST_F_MODE] = IST(""), [ST_F_ALGO] = IST(""), [ST_F_CONN_RATE] = IST(""), [ST_F_CONN_RATE_MAX] = IST(""), [ST_F_CONN_TOT] = IST(""), [ST_F_INTERCEPTED] = IST(""), [ST_F_DCON] = IST(""), [ST_F_DSES] = IST(""), [ST_F_WREW] = IST(""), [ST_F_CONNECT] = IST(""), [ST_F_REUSE] = IST(""), [ST_F_CACHE_LOOKUPS] = IST(""), [ST_F_CACHE_HITS] = IST(""), [ST_F_IDLE_CONN_CUR] = IST(""), [ST_F_SAFE_CONN_CUR] = IST(""), [ST_F_USED_CONN_CUR] = IST(""), [ST_F_NEED_CONN_EST] = IST(""), }; /* Type for all info fields. "untyped" is used for unsupported field. */ const struct ist promex_inf_metric_types[INF_TOTAL_FIELDS] = { [INF_NAME] = IST("untyped"), [INF_VERSION] = IST("untyped"), [INF_RELEASE_DATE] = IST("untyped"), [INF_NBTHREAD] = IST("gauge"), [INF_NBPROC] = IST("gauge"), [INF_PROCESS_NUM] = IST("gauge"), [INF_PID] = IST("untyped"), [INF_UPTIME] = IST("untyped"), [INF_UPTIME_SEC] = IST("gauge"), [INF_MEMMAX_MB] = IST("gauge"), [INF_POOL_ALLOC_MB] = IST("gauge"), [INF_POOL_USED_MB] = IST("gauge"), [INF_POOL_FAILED] = IST("counter"), [INF_ULIMIT_N] = IST("gauge"), [INF_MAXSOCK] = IST("gauge"), [INF_MAXCONN] = IST("gauge"), [INF_HARD_MAXCONN] = IST("gauge"), [INF_CURR_CONN] = IST("gauge"), [INF_CUM_CONN] = IST("counter"), [INF_CUM_REQ] = IST("counter"), [INF_MAX_SSL_CONNS] = IST("gauge"), [INF_CURR_SSL_CONNS] = IST("gauge"), [INF_CUM_SSL_CONNS] = IST("counter"), [INF_MAXPIPES] = IST("gauge"), [INF_PIPES_USED] = IST("counter"), [INF_PIPES_FREE] = IST("counter"), [INF_CONN_RATE] = IST("gauge"), [INF_CONN_RATE_LIMIT] = IST("gauge"), [INF_MAX_CONN_RATE] = IST("gauge"), [INF_SESS_RATE] = IST("gauge"), [INF_SESS_RATE_LIMIT] = IST("gauge"), [INF_MAX_SESS_RATE] = IST("gauge"), [INF_SSL_RATE] = IST("gauge"), [INF_SSL_RATE_LIMIT] = IST("gauge"), [INF_MAX_SSL_RATE] = IST("gauge"), [INF_SSL_FRONTEND_KEY_RATE] = IST("gauge"), [INF_SSL_FRONTEND_MAX_KEY_RATE] = IST("gauge"), [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = IST("gauge"), [INF_SSL_BACKEND_KEY_RATE] = IST("gauge"), [INF_SSL_BACKEND_MAX_KEY_RATE] = IST("gauge"), [INF_SSL_CACHE_LOOKUPS] = IST("counter"), [INF_SSL_CACHE_MISSES] = IST("counter"), [INF_COMPRESS_BPS_IN] = IST("counter"), [INF_COMPRESS_BPS_OUT] = IST("counter"), [INF_COMPRESS_BPS_RATE_LIM] = IST("gauge"), [INF_ZLIB_MEM_USAGE] = IST("gauge"), [INF_MAX_ZLIB_MEM_USAGE] = IST("gauge"), [INF_TASKS] = IST("gauge"), [INF_RUN_QUEUE] = IST("gauge"), [INF_IDLE_PCT] = IST("gauge"), [INF_NODE] = IST("untyped"), [INF_DESCRIPTION] = IST("untyped"), [INF_STOPPING] = IST("gauge"), [INF_JOBS] = IST("gauge"), [INF_UNSTOPPABLE_JOBS] = IST("gauge"), [INF_LISTENERS] = IST("gauge"), [INF_ACTIVE_PEERS] = IST("gauge"), [INF_CONNECTED_PEERS] = IST("gauge"), [INF_DROPPED_LOGS] = IST("counter"), [INF_BUSY_POLLING] = IST("gauge"), [INF_FAILED_RESOLUTIONS] = IST("counter"), [INF_TOTAL_BYTES_OUT] = IST("counter"), [INF_TOTAL_SPLICED_BYTES_OUT] = IST("counter"), [INF_BYTES_OUT_RATE] = IST("gauge"), [INF_DEBUG_COMMANDS_ISSUED] = IST(""), }; /* Type for all stats fields. "untyped" is used for unsupported field. */ const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = { [ST_F_PXNAME] = IST("untyped"), [ST_F_SVNAME] = IST("untyped"), [ST_F_QCUR] = IST("gauge"), [ST_F_QMAX] = IST("gauge"), [ST_F_SCUR] = IST("gauge"), [ST_F_SMAX] = IST("gauge"), [ST_F_SLIM] = IST("gauge"), [ST_F_STOT] = IST("counter"), [ST_F_BIN] = IST("counter"), [ST_F_BOUT] = IST("counter"), [ST_F_DREQ] = IST("counter"), [ST_F_DRESP] = IST("counter"), [ST_F_EREQ] = IST("counter"), [ST_F_ECON] = IST("counter"), [ST_F_ERESP] = IST("counter"), [ST_F_WRETR] = IST("counter"), [ST_F_WREDIS] = IST("counter"), [ST_F_STATUS] = IST("gauge"), [ST_F_WEIGHT] = IST("gauge"), [ST_F_ACT] = IST("gauge"), [ST_F_BCK] = IST("gauge"), [ST_F_CHKFAIL] = IST("counter"), [ST_F_CHKDOWN] = IST("counter"), [ST_F_LASTCHG] = IST("gauge"), [ST_F_DOWNTIME] = IST("counter"), [ST_F_QLIMIT] = IST("gauge"), [ST_F_PID] = IST("untyped"), [ST_F_IID] = IST("untyped"), [ST_F_SID] = IST("untyped"), [ST_F_THROTTLE] = IST("gauge"), [ST_F_LBTOT] = IST("counter"), [ST_F_TRACKED] = IST("untyped"), [ST_F_TYPE] = IST("untyped"), [ST_F_RATE] = IST("untyped"), [ST_F_RATE_LIM] = IST("gauge"), [ST_F_RATE_MAX] = IST("gauge"), [ST_F_CHECK_STATUS] = IST("gauge"), [ST_F_CHECK_CODE] = IST("gauge"), [ST_F_CHECK_DURATION] = IST("gauge"), [ST_F_HRSP_1XX] = IST("counter"), [ST_F_HRSP_2XX] = IST("counter"), [ST_F_HRSP_3XX] = IST("counter"), [ST_F_HRSP_4XX] = IST("counter"), [ST_F_HRSP_5XX] = IST("counter"), [ST_F_HRSP_OTHER] = IST("counter"), [ST_F_HANAFAIL] = IST("counter"), [ST_F_REQ_RATE] = IST("untyped"), [ST_F_REQ_RATE_MAX] = IST("gauge"), [ST_F_REQ_TOT] = IST("counter"), [ST_F_CLI_ABRT] = IST("counter"), [ST_F_SRV_ABRT] = IST("counter"), [ST_F_COMP_IN] = IST("counter"), [ST_F_COMP_OUT] = IST("counter"), [ST_F_COMP_BYP] = IST("counter"), [ST_F_COMP_RSP] = IST("counter"), [ST_F_LASTSESS] = IST("gauge"), [ST_F_LAST_CHK] = IST("untyped"), [ST_F_LAST_AGT] = IST("untyped"), [ST_F_QTIME] = IST("gauge"), [ST_F_CTIME] = IST("gauge"), [ST_F_RTIME] = IST("gauge"), [ST_F_TTIME] = IST("gauge"), [ST_F_AGENT_STATUS] = IST("untyped"), [ST_F_AGENT_CODE] = IST("untyped"), [ST_F_AGENT_DURATION] = IST("gauge"), [ST_F_CHECK_DESC] = IST("untyped"), [ST_F_AGENT_DESC] = IST("untyped"), [ST_F_CHECK_RISE] = IST("gauge"), [ST_F_CHECK_FALL] = IST("gauge"), [ST_F_CHECK_HEALTH] = IST("gauge"), [ST_F_AGENT_RISE] = IST("gauge"), [ST_F_AGENT_FALL] = IST("gauge"), [ST_F_AGENT_HEALTH] = IST("gauge"), [ST_F_ADDR] = IST("untyped"), [ST_F_COOKIE] = IST("untyped"), [ST_F_MODE] = IST("untyped"), [ST_F_ALGO] = IST("untyped"), [ST_F_CONN_RATE] = IST("untyped"), [ST_F_CONN_RATE_MAX] = IST("gauge"), [ST_F_CONN_TOT] = IST("counter"), [ST_F_INTERCEPTED] = IST("counter"), [ST_F_DCON] = IST("counter"), [ST_F_DSES] = IST("counter"), [ST_F_WREW] = IST("counter"), [ST_F_CONNECT] = IST("counter"), [ST_F_REUSE] = IST("counter"), [ST_F_CACHE_LOOKUPS] = IST("counter"), [ST_F_CACHE_HITS] = IST("counter"), [ST_F_SRV_ICUR] = IST("gauge"), [ST_F_SRV_ILIM] = IST("gauge"), [ST_F_QT_MAX] = IST("gauge"), [ST_F_CT_MAX] = IST("gauge"), [ST_F_RT_MAX] = IST("gauge"), [ST_F_TT_MAX] = IST("gauge"), [ST_F_EINT] = IST("counter"), [ST_F_IDLE_CONN_CUR] = IST("gauge"), [ST_F_SAFE_CONN_CUR] = IST("gauge"), [ST_F_USED_CONN_CUR] = IST("gauge"), [ST_F_NEED_CONN_EST] = IST("gauge"), }; /* Return the server status: 0=DOWN, 1=UP, 2=MAINT, 3=DRAIN, 4=NOLB. */ static int promex_srv_status(struct server *sv) { int state = 0; if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) { state = 1; if (sv->cur_admin & SRV_ADMF_DRAIN) state = 3; } else if (sv->cur_state == SRV_ST_STOPPING) state = 4; if (sv->cur_admin & SRV_ADMF_MAINT) state = 2; return state; } /* Convert a field to its string representation and write it in , followed * by a newline, if there is enough space. non-numeric value are converted in * "Nan" because Prometheus only support numerical values (but it is unexepceted * to process this kind of value). It returns 1 on success. Otherwise, it * returns 0. The buffer's length must not exceed value. */ static int promex_metric_to_str(struct buffer *out, struct field *f, size_t max) { int ret = 0; switch (field_format(f, 0)) { case FF_EMPTY: ret = chunk_strcat(out, "Nan\n"); break; case FF_S32: ret = chunk_appendf(out, "%d\n", f->u.s32); break; case FF_U32: ret = chunk_appendf(out, "%u\n", f->u.u32); break; case FF_S64: ret = chunk_appendf(out, "%lld\n", (long long)f->u.s64); break; case FF_U64: ret = chunk_appendf(out, "%llu\n", (unsigned long long)f->u.u64); break; case FF_FLT: ret = chunk_appendf(out, "%f\n", f->u.flt); break; case FF_STR: ret = chunk_strcat(out, "Nan\n"); break; default: ret = chunk_strcat(out, "Nan\n"); break; } if (!ret || out->data > max) return 0; return 1; } /* Concatenate the with the field name using the array * and store it in . The field type is in * st2>. This function never fails but relies on * . So by sure the result is small enough to be copied in * */ static void promex_metric_name(struct appctx *appctx, struct ist *name, const struct ist prefix) { const struct ist *names; names = ((appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) ? promex_inf_metric_names : promex_st_metric_names); istcat(name, prefix, PROMEX_MAX_NAME_LEN); istcat(name, names[appctx->st2], PROMEX_MAX_NAME_LEN); } /* Dump the header lines for . It is its #HELP and #TYPE strings. It * returns 1 on success. Otherwise, if length exceeds , it returns 0. */ static int promex_dump_metric_header(struct appctx *appctx, struct htx *htx, const struct ist name, struct ist *out, size_t max) { const struct ist *desc, *types; if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) { desc = promex_inf_metric_desc; types = promex_inf_metric_types; } else { desc = promex_st_metric_desc; types = promex_st_metric_types; } if (istcat(out, ist("# HELP "), max) == -1 || istcat(out, name, max) == -1 || istcat(out, ist(" "), max) == -1 || istcat(out, desc[appctx->st2], max) == -1 || istcat(out, ist("\n# TYPE "), max) == -1 || istcat(out, name, max) == -1 || istcat(out, ist(" "), max) == -1 || istcat(out, types[appctx->st2], max) == -1 || istcat(out, ist("\n"), max) == -1) goto full; return 1; full: return 0; } /* Dump the line for . It starts by the metric name followed by its * labels (proxy name, server name...) between braces and finally its value. If * not already done, the header lines are dumped first. It returns 1 on * success. Otherwise if length exceeds , it returns 0. */ static int promex_dump_metric(struct appctx *appctx, struct htx *htx, const struct ist prefix, struct field *metric, struct ist *out, size_t max) { struct ist name = { .ptr = (char[PROMEX_MAX_NAME_LEN]){ 0 }, .len = 0 }; size_t len = out->len; if (out->len + PROMEX_MAX_METRIC_LENGTH > max) return 0; promex_metric_name(appctx, &name, prefix); if ((appctx->ctx.stats.flags & PROMEX_FL_METRIC_HDR) && !promex_dump_metric_header(appctx, htx, name, out, max)) goto full; if (appctx->ctx.stats.flags & PROMEX_FL_INFO_METRIC) { const struct ist label = promex_inf_metric_labels[appctx->st2]; if (istcat(out, name, max) == -1 || (label.len && istcat(out, ist("{"), max) == -1) || (label.len && istcat(out, label, max) == -1) || (label.len && istcat(out, ist("}"), max) == -1) || istcat(out, ist(" "), max) == -1) goto full; } else { struct proxy *px = appctx->ctx.stats.obj1; struct server *srv = appctx->ctx.stats.obj2; const struct ist label = promex_st_metric_labels[appctx->st2]; if (istcat(out, name, max) == -1 || istcat(out, ist("{proxy=\""), max) == -1 || istcat(out, ist2(px->id, strlen(px->id)), max) == -1 || istcat(out, ist("\""), max) == -1 || (srv && istcat(out, ist(",server=\""), max) == -1) || (srv && istcat(out, ist2(srv->id, strlen(srv->id)), max) == -1) || (srv && istcat(out, ist("\""), max) == -1) || (label.len && istcat(out, ist(","), max) == -1) || (label.len && istcat(out, label, max) == -1) || istcat(out, ist("} "), max) == -1) goto full; } trash.data = out->len; if (!promex_metric_to_str(&trash, metric, max)) goto full; out->len = trash.data; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; return 1; full: // Restore previous length out->len = len; return 0; } /* Dump global metrics (prefixed by "haproxy_process_"). It returns 1 on success, * 0 if is full and -1 in case of any error. */ static int promex_dump_global_metrics(struct appctx *appctx, struct htx *htx) { static struct ist prefix = IST("haproxy_process_"); struct field metric; struct channel *chn = si_ic(appctx->owner); struct ist out = ist2(trash.area, 0); size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx)); int ret = 1; #ifdef USE_OPENSSL int ssl_sess_rate = read_freq_ctr(&global.ssl_per_sec); int ssl_key_rate = read_freq_ctr(&global.ssl_fe_keys_per_sec); int ssl_reuse = 0; if (ssl_key_rate < ssl_sess_rate) { /* count the ssl reuse ratio and avoid overflows in both directions */ ssl_reuse = 100 - (100 * ssl_key_rate + (ssl_sess_rate - 1) / 2) / ssl_sess_rate; } #endif while (appctx->st2 && appctx->st2 < INF_TOTAL_FIELDS) { switch (appctx->st2) { case INF_NBTHREAD: metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread); break; case INF_NBPROC: metric = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbproc); break; case INF_PROCESS_NUM: metric = mkf_u32(FO_KEY, relative_pid); break; case INF_UPTIME_SEC: metric = mkf_u32(FN_DURATION, start_date.tv_sec); break; case INF_MEMMAX_MB: metric = mkf_u64(FO_CONFIG|FN_LIMIT, global.rlimit_memmax * 1048576L); break; case INF_POOL_ALLOC_MB: metric = mkf_u64(0, pool_total_allocated()); break; case INF_POOL_USED_MB: metric = mkf_u64(0, pool_total_used()); break; case INF_POOL_FAILED: metric = mkf_u32(FN_COUNTER, pool_total_failures()); break; case INF_ULIMIT_N: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile); break; case INF_MAXSOCK: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock); break; case INF_MAXCONN: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn); break; case INF_HARD_MAXCONN: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn); break; case INF_CURR_CONN: metric = mkf_u32(0, actconn); break; case INF_CUM_CONN: metric = mkf_u32(FN_COUNTER, totalconn); break; case INF_CUM_REQ: metric = mkf_u32(FN_COUNTER, global.req_count); break; #ifdef USE_OPENSSL case INF_MAX_SSL_CONNS: metric = mkf_u32(FN_MAX, global.maxsslconn); break; case INF_CURR_SSL_CONNS: metric = mkf_u32(0, sslconns); break; case INF_CUM_SSL_CONNS: metric = mkf_u32(FN_COUNTER, totalsslconns); break; #endif case INF_MAXPIPES: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes); break; case INF_PIPES_USED: metric = mkf_u32(0, pipes_used); break; case INF_PIPES_FREE: metric = mkf_u32(0, pipes_free); break; case INF_CONN_RATE: metric = mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec)); break; case INF_CONN_RATE_LIMIT: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim); break; case INF_MAX_CONN_RATE: metric = mkf_u32(FN_MAX, global.cps_max); break; case INF_SESS_RATE: metric = mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec)); break; case INF_SESS_RATE_LIMIT: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim); break; case INF_MAX_SESS_RATE: metric = mkf_u32(FN_RATE, global.sps_max); break; #ifdef USE_OPENSSL case INF_SSL_RATE: metric = mkf_u32(FN_RATE, ssl_sess_rate); break; case INF_SSL_RATE_LIMIT: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim); break; case INF_MAX_SSL_RATE: metric = mkf_u32(FN_MAX, global.ssl_max); break; case INF_SSL_FRONTEND_KEY_RATE: metric = mkf_u32(0, ssl_key_rate); break; case INF_SSL_FRONTEND_MAX_KEY_RATE: metric = mkf_u32(FN_MAX, global.ssl_fe_keys_max); break; case INF_SSL_FRONTEND_SESSION_REUSE_PCT: metric = mkf_u32(0, ssl_reuse); break; case INF_SSL_BACKEND_KEY_RATE: metric = mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec)); break; case INF_SSL_BACKEND_MAX_KEY_RATE: metric = mkf_u32(FN_MAX, global.ssl_be_keys_max); break; case INF_SSL_CACHE_LOOKUPS: metric = mkf_u32(FN_COUNTER, global.shctx_lookups); break; case INF_SSL_CACHE_MISSES: metric = mkf_u32(FN_COUNTER, global.shctx_misses); break; #endif case INF_COMPRESS_BPS_IN: metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in)); break; case INF_COMPRESS_BPS_OUT: metric = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out)); break; case INF_COMPRESS_BPS_RATE_LIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim); break; #ifdef USE_ZLIB case INF_ZLIB_MEM_USAGE: metric = mkf_u32(0, zlib_used_memory); break; case INF_MAX_ZLIB_MEM_USAGE: metric = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem); break; #endif case INF_TASKS: metric = mkf_u32(0, nb_tasks_cur); break; case INF_RUN_QUEUE: metric = mkf_u32(0, tasks_run_queue_cur); break; case INF_IDLE_PCT: metric = mkf_u32(FN_AVG, ti->idle_pct); break; case INF_STOPPING: metric = mkf_u32(0, stopping); break; case INF_JOBS: metric = mkf_u32(0, jobs); break; case INF_UNSTOPPABLE_JOBS: metric = mkf_u32(0, unstoppable_jobs); break; case INF_LISTENERS: metric = mkf_u32(0, listeners); break; case INF_ACTIVE_PEERS: metric = mkf_u32(0, active_peers); break; case INF_CONNECTED_PEERS: metric = mkf_u32(0, connected_peers); break; case INF_DROPPED_LOGS: metric = mkf_u32(0, dropped_logs); break; case INF_BUSY_POLLING: metric = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING)); break; case INF_FAILED_RESOLUTIONS: metric = mkf_u32(0, dns_failed_resolutions); break; case INF_TOTAL_BYTES_OUT: metric = mkf_u64(0, global.out_bytes); break; case INF_TOTAL_SPLICED_BYTES_OUT: metric = mkf_u64(0, global.spliced_out_bytes); break; case INF_BYTES_OUT_RATE: metric = mkf_u64(FN_RATE, (unsigned long long)read_freq_ctr(&global.out_32bps) * 32); break; default: goto next_metric; } if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max)) goto full; next_metric: appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->st2 = promex_global_metrics[appctx->st2]; } end: if (out.len) { if (!htx_add_data_atonce(htx, out)) return -1; /* Unexpected and unrecoverable error */ channel_add_input(chn, out.len); } return ret; full: ret = 0; goto end; } /* Dump frontends metrics (prefixed by "haproxy_frontend_"). It returns 1 on success, * 0 if is full and -1 in case of any error. */ static int promex_dump_front_metrics(struct appctx *appctx, struct htx *htx) { static struct ist prefix = IST("haproxy_frontend_"); struct proxy *px; struct field metric; struct channel *chn = si_ic(appctx->owner); struct ist out = ist2(trash.area, 0); size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx)); int ret = 1; while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) { while (appctx->ctx.stats.obj1) { px = appctx->ctx.stats.obj1; /* skip the disabled proxies, global frontend and non-networked ones */ if (px->disabled || px->uuid <= 0 || !(px->cap & PR_CAP_FE)) goto next_px; switch (appctx->st2) { case ST_F_STATUS: metric = mkf_u32(FO_STATUS, !px->disabled); break; case ST_F_SCUR: metric = mkf_u32(0, px->feconn); break; case ST_F_SMAX: metric = mkf_u32(FN_MAX, px->fe_counters.conn_max); break; case ST_F_SLIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn); break; case ST_F_STOT: metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess); break; case ST_F_RATE_LIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim); break; case ST_F_RATE_MAX: metric = mkf_u32(FN_MAX, px->fe_counters.sps_max); break; case ST_F_CONN_RATE_MAX: metric = mkf_u32(FN_MAX, px->fe_counters.cps_max); break; case ST_F_CONN_TOT: metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn); break; case ST_F_BIN: metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in); break; case ST_F_BOUT: metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out); break; case ST_F_DREQ: metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req); break; case ST_F_DRESP: metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp); break; case ST_F_EREQ: metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req); break; case ST_F_DCON: metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn); break; case ST_F_DSES: metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess); break; case ST_F_WREW: metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites); break; case ST_F_EINT: metric = mkf_u64(FN_COUNTER, px->fe_counters.internal_errors); break; case ST_F_REQ_RATE_MAX: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max); break; case ST_F_REQ_TOT: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req); break; case ST_F_HRSP_1XX: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]); break; case ST_F_HRSP_2XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]); break; case ST_F_HRSP_3XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]); break; case ST_F_HRSP_4XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]); break; case ST_F_HRSP_5XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]); break; case ST_F_HRSP_OTHER: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]); break; case ST_F_INTERCEPTED: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req); break; case ST_F_CACHE_LOOKUPS: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups); break; case ST_F_CACHE_HITS: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits); break; case ST_F_COMP_IN: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in); break; case ST_F_COMP_OUT: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out); break; case ST_F_COMP_BYP: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp); break; case ST_F_COMP_RSP: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp); break; default: goto next_metric; } if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max)) goto full; next_px: appctx->ctx.stats.obj1 = px->next; } next_metric: appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->ctx.stats.obj1 = proxies_list; appctx->st2 = promex_front_metrics[appctx->st2]; } end: if (out.len) { if (!htx_add_data_atonce(htx, out)) return -1; /* Unexpected and unrecoverable error */ channel_add_input(chn, out.len); } return ret; full: ret = 0; goto end; } /* Dump backends metrics (prefixed by "haproxy_backend_"). It returns 1 on success, * 0 if is full and -1 in case of any error. */ static int promex_dump_back_metrics(struct appctx *appctx, struct htx *htx) { static struct ist prefix = IST("haproxy_backend_"); struct proxy *px; struct field metric; struct channel *chn = si_ic(appctx->owner); struct ist out = ist2(trash.area, 0); size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx)); int ret = 1; uint32_t weight; double secs; while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) { while (appctx->ctx.stats.obj1) { px = appctx->ctx.stats.obj1; /* skip the disabled proxies, global frontend and non-networked ones */ if (px->disabled || px->uuid <= 0 || !(px->cap & PR_CAP_BE)) goto next_px; switch (appctx->st2) { case ST_F_STATUS: metric = mkf_u32(FO_STATUS, (px->lbprm.tot_weight > 0 || !px->srv) ? 1 : 0); break; case ST_F_SCUR: metric = mkf_u32(0, px->beconn); break; case ST_F_SMAX: metric = mkf_u32(FN_MAX, px->be_counters.conn_max); break; case ST_F_SLIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn); break; case ST_F_STOT: metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn); break; case ST_F_RATE_MAX: metric = mkf_u32(0, px->be_counters.sps_max); break; case ST_F_LASTSESS: metric = mkf_s32(FN_AGE, be_lastsession(px)); break; case ST_F_QCUR: metric = mkf_u32(0, px->nbpend); break; case ST_F_QMAX: metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max); break; case ST_F_CONNECT: metric = mkf_u64(FN_COUNTER, px->be_counters.connect); break; case ST_F_REUSE: metric = mkf_u64(FN_COUNTER, px->be_counters.reuse); break; case ST_F_BIN: metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in); break; case ST_F_BOUT: metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out); break; case ST_F_QTIME: secs = (double)swrate_avg(px->be_counters.q_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_CTIME: secs = (double)swrate_avg(px->be_counters.c_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_RTIME: secs = (double)swrate_avg(px->be_counters.d_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_TTIME: secs = (double)swrate_avg(px->be_counters.t_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_QT_MAX: secs = (double)px->be_counters.qtime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_CT_MAX: secs = (double)px->be_counters.ctime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_RT_MAX: secs = (double)px->be_counters.dtime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_TT_MAX: secs = (double)px->be_counters.ttime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_DREQ: metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req); break; case ST_F_DRESP: metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp); break; case ST_F_ECON: metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns); break; case ST_F_ERESP: metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp); break; case ST_F_WRETR: metric = mkf_u64(FN_COUNTER, px->be_counters.retries); break; case ST_F_WREDIS: metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches); break; case ST_F_WREW: metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites); break; case ST_F_EINT: metric = mkf_u64(FN_COUNTER, px->be_counters.internal_errors); break; case ST_F_CLI_ABRT: metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts); break; case ST_F_SRV_ABRT: metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts); break; case ST_F_WEIGHT: weight = (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv; metric = mkf_u32(FN_AVG, weight); break; case ST_F_ACT: metric = mkf_u32(0, px->srv_act); break; case ST_F_BCK: metric = mkf_u32(0, px->srv_bck); break; case ST_F_CHKDOWN: metric = mkf_u64(FN_COUNTER, px->down_trans); break; case ST_F_LASTCHG: metric = mkf_u32(FN_AGE, now.tv_sec - px->last_change); break; case ST_F_DOWNTIME: metric = mkf_u32(FN_COUNTER, be_downtime(px)); break; case ST_F_LBTOT: metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn); break; case ST_F_REQ_TOT: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req); break; case ST_F_HRSP_1XX: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]); break; case ST_F_HRSP_2XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]); break; case ST_F_HRSP_3XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]); break; case ST_F_HRSP_4XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]); break; case ST_F_HRSP_5XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]); break; case ST_F_HRSP_OTHER: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]); break; case ST_F_CACHE_LOOKUPS: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups); break; case ST_F_CACHE_HITS: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits); break; case ST_F_COMP_IN: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in); break; case ST_F_COMP_OUT: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out); break; case ST_F_COMP_BYP: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp); break; case ST_F_COMP_RSP: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp); break; default: goto next_metric; } if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max)) goto full; next_px: appctx->ctx.stats.obj1 = px->next; } next_metric: appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->ctx.stats.obj1 = proxies_list; appctx->st2 = promex_back_metrics[appctx->st2]; } end: if (out.len) { if (!htx_add_data_atonce(htx, out)) return -1; /* Unexpected and unrecoverable error */ channel_add_input(chn, out.len); } return ret; full: ret = 0; goto end; } /* Dump servers metrics (prefixed by "haproxy_server_"). It returns 1 on success, * 0 if is full and -1 in case of any error. */ static int promex_dump_srv_metrics(struct appctx *appctx, struct htx *htx) { static struct ist prefix = IST("haproxy_server_"); struct proxy *px; struct server *sv; struct field metric; struct channel *chn = si_ic(appctx->owner); struct ist out = ist2(trash.area, 0); size_t max = htx_get_max_blksz(htx, channel_htx_recv_max(chn, htx)); int ret = 1; uint32_t weight; double secs; while (appctx->st2 && appctx->st2 < ST_F_TOTAL_FIELDS) { while (appctx->ctx.stats.obj1) { px = appctx->ctx.stats.obj1; /* skip the disabled proxies, global frontend and non-networked ones */ if (px->disabled || px->uuid <= 0 || !(px->cap & PR_CAP_BE)) goto next_px; while (appctx->ctx.stats.obj2) { sv = appctx->ctx.stats.obj2; if ((appctx->ctx.stats.flags & PROMEX_FL_NO_MAINT_SRV) && (sv->cur_admin & SRV_ADMF_MAINT)) goto next_sv; switch (appctx->st2) { case ST_F_STATUS: metric = mkf_u32(FO_STATUS, promex_srv_status(sv)); break; case ST_F_SCUR: metric = mkf_u32(0, sv->cur_sess); break; case ST_F_SMAX: metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max); break; case ST_F_SLIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn); break; case ST_F_STOT: metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess); break; case ST_F_RATE_MAX: metric = mkf_u32(FN_MAX, sv->counters.sps_max); break; case ST_F_LASTSESS: metric = mkf_s32(FN_AGE, srv_lastsession(sv)); break; case ST_F_QCUR: metric = mkf_u32(0, sv->nbpend); break; case ST_F_QMAX: metric = mkf_u32(FN_MAX, sv->counters.nbpend_max); break; case ST_F_QLIMIT: metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue); break; case ST_F_BIN: metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in); break; case ST_F_BOUT: metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out); break; case ST_F_QTIME: secs = (double)swrate_avg(sv->counters.q_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_CTIME: secs = (double)swrate_avg(sv->counters.c_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_RTIME: secs = (double)swrate_avg(sv->counters.d_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_TTIME: secs = (double)swrate_avg(sv->counters.t_time, TIME_STATS_SAMPLES) / 1000.0; metric = mkf_flt(FN_AVG, secs); break; case ST_F_QT_MAX: secs = (double)sv->counters.qtime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_CT_MAX: secs = (double)sv->counters.ctime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_RT_MAX: secs = (double)sv->counters.dtime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_TT_MAX: secs = (double)sv->counters.ttime_max / 1000.0; metric = mkf_flt(FN_MAX, secs); break; case ST_F_CONNECT: metric = mkf_u64(FN_COUNTER, sv->counters.connect); break; case ST_F_REUSE: metric = mkf_u64(FN_COUNTER, sv->counters.reuse); break; case ST_F_DRESP: metric = mkf_u64(FN_COUNTER, sv->counters.denied_resp); break; case ST_F_ECON: metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns); break; case ST_F_ERESP: metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp); break; case ST_F_WRETR: metric = mkf_u64(FN_COUNTER, sv->counters.retries); break; case ST_F_WREDIS: metric = mkf_u64(FN_COUNTER, sv->counters.redispatches); break; case ST_F_WREW: metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites); break; case ST_F_EINT: metric = mkf_u64(FN_COUNTER, sv->counters.internal_errors); break; case ST_F_CLI_ABRT: metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts); break; case ST_F_SRV_ABRT: metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts); break; case ST_F_WEIGHT: weight = (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv; metric = mkf_u32(FN_AVG, weight); break; case ST_F_CHECK_STATUS: if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) != CHK_ST_ENABLED) goto next_sv; metric = mkf_u32(FN_OUTPUT, sv->check.status); break; case ST_F_CHECK_CODE: if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) != CHK_ST_ENABLED) goto next_sv; metric = mkf_u32(FN_OUTPUT, (sv->check.status < HCHK_STATUS_L57DATA) ? 0 : sv->check.code); break; case ST_F_CHECK_DURATION: if (sv->check.status < HCHK_STATUS_CHECKED) goto next_sv; secs = (double)sv->check.duration / 1000.0; metric = mkf_flt(FN_DURATION, secs); break; case ST_F_CHKFAIL: metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks); break; case ST_F_CHKDOWN: metric = mkf_u64(FN_COUNTER, sv->counters.down_trans); break; case ST_F_DOWNTIME: metric = mkf_u32(FN_COUNTER, srv_downtime(sv)); break; case ST_F_LASTCHG: metric = mkf_u32(FN_AGE, now.tv_sec - sv->last_change); break; case ST_F_THROTTLE: metric = mkf_u32(FN_AVG, server_throttle_rate(sv)); break; case ST_F_LBTOT: metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn); break; case ST_F_REQ_TOT: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.cum_req); break; case ST_F_HRSP_1XX: if (px->mode != PR_MODE_HTTP) goto next_px; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]); break; case ST_F_HRSP_2XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]); break; case ST_F_HRSP_3XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]); break; case ST_F_HRSP_4XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]); break; case ST_F_HRSP_5XX: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]); break; case ST_F_HRSP_OTHER: if (px->mode != PR_MODE_HTTP) goto next_px; appctx->ctx.stats.flags &= ~PROMEX_FL_METRIC_HDR; metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]); break; case ST_F_SRV_ICUR: metric = mkf_u32(0, sv->curr_idle_conns); break; case ST_F_SRV_ILIM: metric = mkf_u32(FO_CONFIG|FN_LIMIT, (sv->max_idle_conns == -1) ? 0 : sv->max_idle_conns); break; case ST_F_IDLE_CONN_CUR: metric = mkf_u32(0, sv->curr_idle_nb); break; case ST_F_SAFE_CONN_CUR: metric = mkf_u32(0, sv->curr_safe_nb); break; case ST_F_USED_CONN_CUR: metric = mkf_u32(0, sv->curr_used_conns); break; case ST_F_NEED_CONN_EST: metric = mkf_u32(0, sv->est_need_conns); break; default: goto next_metric; } if (!promex_dump_metric(appctx, htx, prefix, &metric, &out, max)) goto full; next_sv: appctx->ctx.stats.obj2 = sv->next; } next_px: appctx->ctx.stats.obj1 = px->next; appctx->ctx.stats.obj2 = (appctx->ctx.stats.obj1 ? ((struct proxy *)appctx->ctx.stats.obj1)->srv : NULL); } next_metric: appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->ctx.stats.obj1 = proxies_list; appctx->ctx.stats.obj2 = (appctx->ctx.stats.obj1 ? ((struct proxy *)appctx->ctx.stats.obj1)->srv : NULL); appctx->st2 = promex_srv_metrics[appctx->st2]; } end: if (out.len) { if (!htx_add_data_atonce(htx, out)) return -1; /* Unexpected and unrecoverable error */ channel_add_input(chn, out.len); } return ret; full: ret = 0; goto end; } /* Dump all metrics (global, frontends, backends and servers) depending on the * dumper state (appctx->st1). It returns 1 on success, 0 if is full and * -1 in case of any error. * Uses as a pointer to the current proxy and as * a pointer to the current server/listener. */ static int promex_dump_metrics(struct appctx *appctx, struct stream_interface *si, struct htx *htx) { int ret; switch (appctx->st1) { case PROMEX_DUMPER_INIT: appctx->ctx.stats.obj1 = NULL; appctx->ctx.stats.obj2 = NULL; appctx->ctx.stats.flags |= (PROMEX_FL_METRIC_HDR|PROMEX_FL_INFO_METRIC); appctx->st2 = promex_global_metrics[INF_NAME]; appctx->st1 = PROMEX_DUMPER_GLOBAL; /* fall through */ case PROMEX_DUMPER_GLOBAL: if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_GLOBAL) { ret = promex_dump_global_metrics(appctx, htx); if (ret <= 0) { if (ret == -1) goto error; goto full; } } appctx->ctx.stats.obj1 = proxies_list; appctx->ctx.stats.obj2 = NULL; appctx->ctx.stats.flags &= ~PROMEX_FL_INFO_METRIC; appctx->ctx.stats.flags |= (PROMEX_FL_METRIC_HDR|PROMEX_FL_STATS_METRIC); appctx->st2 = promex_front_metrics[ST_F_PXNAME]; appctx->st1 = PROMEX_DUMPER_FRONT; /* fall through */ case PROMEX_DUMPER_FRONT: if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_FRONT) { ret = promex_dump_front_metrics(appctx, htx); if (ret <= 0) { if (ret == -1) goto error; goto full; } } appctx->ctx.stats.obj1 = proxies_list; appctx->ctx.stats.obj2 = NULL; appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->st2 = promex_back_metrics[ST_F_PXNAME]; appctx->st1 = PROMEX_DUMPER_BACK; /* fall through */ case PROMEX_DUMPER_BACK: if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_BACK) { ret = promex_dump_back_metrics(appctx, htx); if (ret <= 0) { if (ret == -1) goto error; goto full; } } appctx->ctx.stats.obj1 = proxies_list; appctx->ctx.stats.obj2 = (appctx->ctx.stats.obj1 ? ((struct proxy *)appctx->ctx.stats.obj1)->srv : NULL); appctx->ctx.stats.flags |= PROMEX_FL_METRIC_HDR; appctx->st2 = promex_srv_metrics[ST_F_PXNAME]; appctx->st1 = PROMEX_DUMPER_SRV; /* fall through */ case PROMEX_DUMPER_SRV: if (appctx->ctx.stats.flags & PROMEX_FL_SCOPE_SERVER) { ret = promex_dump_srv_metrics(appctx, htx); if (ret <= 0) { if (ret == -1) goto error; goto full; } } appctx->ctx.stats.obj1 = NULL; appctx->ctx.stats.obj2 = NULL; appctx->ctx.stats.flags &= ~(PROMEX_FL_METRIC_HDR|PROMEX_FL_INFO_METRIC|PROMEX_FL_STATS_METRIC); appctx->st2 = 0; appctx->st1 = PROMEX_DUMPER_DONE; /* fall through */ case PROMEX_DUMPER_DONE: default: break; } return 1; full: si_rx_room_blk(si); return 0; error: /* unrecoverable error */ appctx->ctx.stats.obj1 = NULL; appctx->ctx.stats.obj2 = NULL; appctx->ctx.stats.flags = 0; appctx->st2 = 0; appctx->st1 = PROMEX_DUMPER_DONE; return -1; } /* Parse the query string of request URI to filter the metrics. It returns 1 on * success and -1 on error. */ static int promex_parse_uri(struct appctx *appctx, struct stream_interface *si) { struct channel *req = si_oc(si); struct channel *res = si_ic(si); struct htx *req_htx, *res_htx; struct htx_sl *sl; char *p, *key, *value; const char *end; struct buffer *err; int default_scopes = PROMEX_FL_SCOPE_ALL; int len; /* Get the query-string */ req_htx = htxbuf(&req->buf); sl = http_get_stline(req_htx); if (!sl) goto error; p = http_find_param_list(HTX_SL_REQ_UPTR(sl), HTX_SL_REQ_ULEN(sl), '?'); if (!p) goto end; end = HTX_SL_REQ_UPTR(sl) + HTX_SL_REQ_ULEN(sl); /* copy the query-string */ len = end - p; chunk_reset(&trash); memcpy(trash.area, p, len); trash.area[len] = 0; p = trash.area; end = trash.area + len; /* Parse the query-string */ while (p < end && *p && *p != '#') { value = NULL; /* decode parameter name */ key = p; while (p < end && *p != '=' && *p != '&' && *p != '#') ++p; /* found a value */ if (*p == '=') { *(p++) = 0; value = p; } else if (*p == '&') *(p++) = 0; else if (*p == '#') *p = 0; len = url_decode(key, 1); if (len == -1) goto error; /* decode value */ if (value) { while (p < end && *p != '=' && *p != '&' && *p != '#') ++p; if (*p == '=') goto error; if (*p == '&') *(p++) = 0; else if (*p == '#') *p = 0; len = url_decode(value, 1); if (len == -1) goto error; } if (!strcmp(key, "scope")) { default_scopes = 0; /* at least a scope defined, unset default scopes */ if (!value) goto error; else if (*value == 0) appctx->ctx.stats.flags &= ~PROMEX_FL_SCOPE_ALL; else if (*value == '*') appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_ALL; else if (!strcmp(value, "global")) appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_GLOBAL; else if (!strcmp(value, "server")) appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_SERVER; else if (!strcmp(value, "backend")) appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_BACK; else if (!strcmp(value, "frontend")) appctx->ctx.stats.flags |= PROMEX_FL_SCOPE_FRONT; else goto error; } else if (!strcmp(key, "no-maint")) appctx->ctx.stats.flags |= PROMEX_FL_NO_MAINT_SRV; } end: appctx->ctx.stats.flags |= default_scopes; return 1; error: err = &http_err_chunks[HTTP_ERR_400]; channel_erase(res); res->buf.data = b_data(err); memcpy(res->buf.area, b_head(err), b_data(err)); res_htx = htx_from_buf(&res->buf); channel_add_input(res, res_htx->data); appctx->st0 = PROMEX_ST_END; return -1; } /* Send HTTP headers of the response. It returns 1 on success and 0 if is * full. */ static int promex_send_headers(struct appctx *appctx, struct stream_interface *si, struct htx *htx) { struct channel *chn = si_ic(appctx->owner); struct htx_sl *sl; unsigned int flags; 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); sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK")); if (!sl) goto full; sl->info.res.status = 200; if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) || !htx_add_header(htx, ist("Connection"), ist("close")) || !htx_add_header(htx, ist("Content-Type"), ist("text/plain; version=0.0.4")) || !htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")) || !htx_add_endof(htx, HTX_BLK_EOH)) goto full; channel_add_input(chn, htx->data); return 1; full: htx_reset(htx); si_rx_room_blk(si); return 0; } /* The function returns 1 if the initialisation is complete, 0 if * an errors occurs and -1 if more data are required for initializing * the applet. */ static int promex_appctx_init(struct appctx *appctx, struct proxy *px, struct stream *strm) { appctx->st0 = PROMEX_ST_INIT; return 1; } /* The main I/O handler for the promex applet. */ static void promex_appctx_handle_io(struct appctx *appctx) { struct stream_interface *si = appctx->owner; struct stream *s = si_strm(si); struct channel *req = si_oc(si); struct channel *res = si_ic(si); struct htx *req_htx, *res_htx; int ret; res_htx = htx_from_buf(&res->buf); if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) goto out; /* Check if the input buffer is available. */ if (!b_size(&res->buf)) { si_rx_room_blk(si); goto out; } switch (appctx->st0) { case PROMEX_ST_INIT: ret = promex_parse_uri(appctx, si); if (ret <= 0) { if (ret == -1) goto error; goto out; } appctx->st0 = PROMEX_ST_HEAD; appctx->st1 = PROMEX_DUMPER_INIT; /* fall through */ case PROMEX_ST_HEAD: if (!promex_send_headers(appctx, si, res_htx)) goto out; appctx->st0 = ((s->txn->meth == HTTP_METH_HEAD) ? PROMEX_ST_DONE : PROMEX_ST_DUMP); /* fall through */ case PROMEX_ST_DUMP: ret = promex_dump_metrics(appctx, si, res_htx); if (ret <= 0) { if (ret == -1) goto error; goto out; } appctx->st0 = PROMEX_ST_DONE; /* fall through */ case PROMEX_ST_DONE: /* Don't add TLR because mux-h1 will take care of it */ res_htx->flags |= HTX_FL_EOI; /* no more data are expected. Only EOM remains to add now */ if (!htx_add_endof(res_htx, HTX_BLK_EOM)) { si_rx_room_blk(si); goto out; } channel_add_input(res, 1); appctx->st0 = PROMEX_ST_END; /* fall through */ case PROMEX_ST_END: if (!(res->flags & CF_SHUTR)) { res->flags |= CF_READ_NULL; si_shutr(si); } } out: htx_to_buf(res_htx, &res->buf); /* eat the whole request */ if (co_data(req)) { req_htx = htx_from_buf(&req->buf); co_htx_skip(req, req_htx, co_data(req)); } return; error: res->flags |= CF_READ_NULL; si_shutr(si); si_shutw(si); } struct applet promex_applet = { .obj_type = OBJ_TYPE_APPLET, .name = "", /* used for logging */ .init = promex_appctx_init, .fct = promex_appctx_handle_io, }; static enum act_parse_ret service_parse_prometheus_exporter(const char **args, int *cur_arg, struct proxy *px, struct act_rule *rule, char **err) { /* Prometheus exporter service is only available on "http-request" rulesets */ if (rule->from != ACT_F_HTTP_REQ) { memprintf(err, "Prometheus exporter service only available on 'http-request' rulesets"); return ACT_RET_PRS_ERR; } /* Add applet pointer in the rule. */ rule->applet = promex_applet; return ACT_RET_PRS_OK; } static void promex_register_build_options(void) { char *ptr = NULL; memprintf(&ptr, "Built with the Prometheus exporter as a service"); hap_register_build_opts(ptr, 1); } static struct action_kw_list service_actions = { ILH, { { "prometheus-exporter", service_parse_prometheus_exporter }, { /* END */ } }}; INITCALL1(STG_REGISTER, service_keywords_register, &service_actions); INITCALL0(STG_REGISTER, promex_register_build_options);