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MINOR: contrib/prometheus-exporter: Remove usless rate metrics 

Following metrics have been removed:

  * haproxy_frontend_connections_rate_current (ST_F_CONN_RATE)
  * haproxy_frontend_http_requests_rate_current (ST_F_REQ_RATE)
  * haproxy_*_current_session_rate (ST_F_RATE)

These rates can be deduced using the total value with this kind of formula:

  rate(haproxy_frontend_connections_total[1m])

No backport needed. See issue #81 on github.
This commit is contained in:
Christopher Faulet 2019-04-18 10:10:49 +02:00
parent f782c23ec6
commit c58fc0dec9
2 changed files with 13 additions and 34 deletions
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4
contrib/prometheus-exporter/README
View File

@ -123,7 +123,6 @@ Exported metrics
| haproxy_frontend_max_sessions | Maximum observed number of active sessions. |
| haproxy_frontend_limit_sessions | Configured session limit. |
| haproxy_frontend_sessions_total | Total number of sessions. |
| haproxy_frontend_current_session_rate | Current number of sessions per second over last elapsed second. |
| haproxy_frontend_limit_session_rate | Configured limit on new sessions per second. |
| haproxy_frontend_max_session_rate | Maximum observed number of sessions per second. |
| haproxy_frontend_connections_rate_current | Current number of connections per second over the last elapsed second. |
@ -137,7 +136,6 @@ Exported metrics
| haproxy_frontend_denied_connections_total | Total number of requests denied by "tcp-request connection" rules. |
| haproxy_frontend_denied_sessions_total | Total number of requests denied by "tcp-request session" rules. |
| haproxy_frontend_failed_header_rewriting_total | Total number of failed header rewriting warnings. |
| haproxy_frontend_http_requests_rate_current | Current number of HTTP requests per second over last elapsed second. |
| haproxy_frontend_http_requests_rate_max | Maximum observed number of HTTP requests per second. |
| haproxy_frontend_http_requests_total | Total number of HTTP requests received. |
| haproxy_frontend_http_responses_total | Total number of HTTP responses. |
@ -160,7 +158,6 @@ Exported metrics
| haproxy_backend_max_sessions | Maximum observed number of active sessions. |
| haproxy_backend_limit_sessions | Configured session limit. |
| haproxy_backend_sessions_total | Total number of sessions. |
| haproxy_backend_current_session_rate | Current number of sessions per second over last elapsed second. |
| haproxy_backend_max_session_rate | Maximum observed number of sessions per second. |
| haproxy_backend_last_session_seconds | Number of seconds since last session assigned to server/backend. |
| haproxy_backend_current_queue | Current number of queued requests. |
@ -209,7 +206,6 @@ Exported metrics
| haproxy_server_max_sessions | Maximum observed number of active sessions. |
| haproxy_server_limit_sessions | Configured session limit. |
| haproxy_server_sessions_total | Total number of sessions. |
| haproxy_server_current_session_rate | Current number of sessions per second over last elapsed second. |
| haproxy_server_max_session_rate | Maximum observed number of sessions per second. |
| haproxy_server_last_session_seconds | Number of seconds since last session assigned to server/backend. |
| haproxy_server_current_queue | Current number of queued requests. |

43
contrib/prometheus-exporter/service-prometheus.c
View File

@ -151,7 +151,7 @@ const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_SCUR] = ST_F_SMAX,
[ST_F_SMAX] = ST_F_SLIM,
[ST_F_SLIM] = ST_F_STOT,
[ST_F_STOT] = ST_F_RATE,
[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,
@ -177,9 +177,9 @@ const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_LBTOT] = 0,
[ST_F_TRACKED] = 0,
[ST_F_TYPE] = 0,
[ST_F_RATE] = ST_F_RATE_LIM,
[ST_F_RATE] = 0,
[ST_F_RATE_LIM] = ST_F_RATE_MAX,
[ST_F_RATE_MAX] = ST_F_CONN_RATE,
[ST_F_RATE_MAX] = ST_F_CONN_RATE_MAX,
[ST_F_CHECK_STATUS] = 0,
[ST_F_CHECK_CODE] = 0,
[ST_F_CHECK_DURATION] = 0,
@ -190,7 +190,7 @@ const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_HRSP_5XX] = ST_F_HRSP_OTHER,
[ST_F_HRSP_OTHER] = ST_F_INTERCEPTED,
[ST_F_HANAFAIL] = 0,
[ST_F_REQ_RATE] = ST_F_REQ_RATE_MAX,
[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,
@ -221,13 +221,13 @@ const int promex_front_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_COOKIE] = 0,
[ST_F_MODE] = 0,
[ST_F_ALGO] = 0,
[ST_F_CONN_RATE] = ST_F_CONN_RATE_MAX,
[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_REQ_RATE,
[ST_F_WREW] = ST_F_REQ_RATE_MAX,
[ST_F_CONNECT] = 0,
[ST_F_REUSE] = 0,
[ST_F_CACHE_LOOKUPS] = ST_F_CACHE_HITS,
@ -244,7 +244,7 @@ const int promex_back_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_SCUR] = ST_F_SMAX,
[ST_F_SMAX] = ST_F_SLIM,
[ST_F_SLIM] = ST_F_STOT,
[ST_F_STOT] = ST_F_RATE,
[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,
@ -270,7 +270,7 @@ const int promex_back_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_LBTOT] = ST_F_REQ_TOT,
[ST_F_TRACKED] = 9,
[ST_F_TYPE] = 0,
[ST_F_RATE] = ST_F_RATE_MAX,
[ST_F_RATE] = 0,
[ST_F_RATE_LIM] = 0,
[ST_F_RATE_MAX] = ST_F_LASTSESS,
[ST_F_CHECK_STATUS] = 0,
@ -337,7 +337,7 @@ const int promex_srv_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_SCUR] = ST_F_SMAX,
[ST_F_SMAX] = ST_F_SLIM,
[ST_F_SLIM] = ST_F_STOT,
[ST_F_STOT] = ST_F_RATE,
[ST_F_STOT] = ST_F_RATE_MAX,
[ST_F_BIN] = ST_F_BOUT,
[ST_F_BOUT] = ST_F_QTIME,
[ST_F_DREQ] = 0,
@ -363,7 +363,7 @@ const int promex_srv_metrics[ST_F_TOTAL_FIELDS] = {
[ST_F_LBTOT] = ST_F_HRSP_1XX,
[ST_F_TRACKED] = 0,
[ST_F_TYPE] = 0,
[ST_F_RATE] = ST_F_RATE_MAX,
[ST_F_RATE] = 0,
[ST_F_RATE_LIM] = 0,
[ST_F_RATE_MAX] = ST_F_LASTSESS,
[ST_F_CHECK_STATUS] = 0,
@ -987,7 +987,7 @@ const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = {
[ST_F_LBTOT] = IST("counter"),
[ST_F_TRACKED] = IST("untyped"),
[ST_F_TYPE] = IST("untyped"),
[ST_F_RATE] = IST("gauge"),
[ST_F_RATE] = IST("untyped"),
[ST_F_RATE_LIM] = IST("gauge"),
[ST_F_RATE_MAX] = IST("counter"),
[ST_F_CHECK_STATUS] = IST("untyped"),
@ -1000,7 +1000,7 @@ const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = {
[ST_F_HRSP_5XX] = IST("counter"),
[ST_F_HRSP_OTHER] = IST("counter"),
[ST_F_HANAFAIL] = IST("counter"),
[ST_F_REQ_RATE] = IST("gauge"),
[ST_F_REQ_RATE] = IST("untyped"),
[ST_F_REQ_RATE_MAX] = IST("counter"),
[ST_F_REQ_TOT] = IST("counter"),
[ST_F_CLI_ABRT] = IST("counter"),
@ -1031,7 +1031,7 @@ const struct ist promex_st_metric_types[ST_F_TOTAL_FIELDS] = {
[ST_F_COOKIE] = IST("untyped"),
[ST_F_MODE] = IST("untyped"),
[ST_F_ALGO] = IST("untyped"),
[ST_F_CONN_RATE] = IST("gauge"),
[ST_F_CONN_RATE] = IST("untyped"),
[ST_F_CONN_RATE_MAX] = IST("counter"),
[ST_F_CONN_TOT] = IST("counter"),
[ST_F_INTERCEPTED] = IST("counter"),
@ -1454,18 +1454,12 @@ static int promex_dump_front_metrics(struct appctx *appctx, struct htx *htx)
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
break;
case ST_F_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_sess_per_sec));
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:
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
break;
case ST_F_CONN_RATE_MAX:
metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
break;
@ -1496,11 +1490,6 @@ static int promex_dump_front_metrics(struct appctx *appctx, struct htx *htx)
case ST_F_WREW:
metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
break;
case ST_F_REQ_RATE:
if (px->mode != PR_MODE_HTTP)
goto next_px;
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_req_per_sec));
break;
case ST_F_REQ_RATE_MAX:
if (px->mode != PR_MODE_HTTP)
goto next_px;
@ -1644,9 +1633,6 @@ static int promex_dump_back_metrics(struct appctx *appctx, struct htx *htx)
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
break;
case ST_F_RATE:
metric = mkf_u32(0, read_freq_ctr(&px->be_sess_per_sec));
break;
case ST_F_RATE_MAX:
metric = mkf_u32(0, px->be_counters.sps_max);
break;
@ -1869,9 +1855,6 @@ static int promex_dump_srv_metrics(struct appctx *appctx, struct htx *htx)
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
break;
case ST_F_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&sv->sess_per_sec));
break;
case ST_F_RATE_MAX:
metric = mkf_u32(FN_MAX, sv->counters.sps_max);
break;