HAPROXY

HAProxy is free, open source software that provides a high availability load balancer and proxy server for TCP and HTTP-based applications that spreads requests across multiple servers. It is written in C and has a reputation for being fast and efficient

Available solutions




This template is for Zabbix version: 6.0
Also available for: 5.4 5.0

Source: https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/templates/app/haproxy_http?at=release/6.0

HAProxy by HTTP

Overview

For Zabbix version: 6.0 and higher
The template to monitor HAProxy by Zabbix that works without any external scripts. Most of the metrics are collected in one go, thanks to Zabbix bulk data collection.

Template HAProxy by HTTP collects metrics by polling HAProxy Stats Page with HTTP agent remotely.

Note that this solution supports https and redirects.

This template was tested on:

  • HAProxy, version 1.8

Setup

See Zabbix template operation for basic instructions.

Setup HAProxy Stats Page.

Example configuration of HAProxy:

frontend stats
    bind *:8404
    stats enable
    stats uri /stats
    stats refresh 10s
    #stats auth Username:Password  # Authentication credentials

If you use another location, don't forget to change the macros {$HAPROXY.STATS.SCHEME},{HOST.CONN}, {$HAPROXY.STATS.PORT},{$HAPROXY.STATS.PATH}.

If you want to use authentication, set the username and password in the "stats auth" option of the configuration file and in the macros {$HAPROXY.USERNAME},{$HAPROXY.PASSWORD}.

Zabbix configuration

No specific Zabbix configuration is required.

Macros used

Name Description Default
{$HAPROXY.BACK_ERESP.MAX.WARN}

Maximum of responses with error on Backend for trigger expression.

10
{$HAPROXY.BACK_QCUR.MAX.WARN}

Maximum number of requests on Backend unassigned in queue for trigger expression.

10
{$HAPROXY.BACK_QTIME.MAX.WARN}

Maximum of average time spent in queue on Backend for trigger expression.

10s
{$HAPROXY.BACK_RTIME.MAX.WARN}

Maximum of average Backend response time for trigger expression.

10s
{$HAPROXY.FRONT_DREQ.MAX.WARN}

The HAProxy maximum denied requests for trigger expression.

10
{$HAPROXY.FRONT_EREQ.MAX.WARN}

The HAProxy maximum number of request errors for trigger expression.

10
{$HAPROXY.FRONT_SUTIL.MAX.WARN}

Maximum of session usage percentage on frontend for trigger expression.

80
{$HAPROXY.PASSWORD}

The password of the HAProxy stats page.

``
{$HAPROXY.RESPONSE_TIME.MAX.WARN}

The HAProxy stats page maximum response time in seconds for trigger expression.

10s
{$HAPROXY.SERVER_ERESP.MAX.WARN}

Maximum of responses with error on server for trigger expression.

10
{$HAPROXY.SERVER_QCUR.MAX.WARN}

Maximum number of requests on server unassigned in queue for trigger expression.

10
{$HAPROXY.SERVER_QTIME.MAX.WARN}

Maximum of average time spent in queue on server for trigger expression.

10s
{$HAPROXY.SERVER_RTIME.MAX.WARN}

Maximum of average server response time for trigger expression.

10s
{$HAPROXY.STATS.PATH}

The path of the HAProxy stats page.

stats
{$HAPROXY.STATS.PORT}

The port of the HAProxy stats host or container.

8404
{$HAPROXY.STATS.SCHEME}

The scheme of HAProxy stats page(http/https).

http
{$HAPROXY.USERNAME}

The username of the HAProxy stats page.

``

Template links

There are no template links in this template.

Discovery rules

Name Description Type Key and additional info
Backend discovery

Discovery backends

DEPENDENT haproxy.backend.discovery

Filter:

AND

- {#SVNAME} MATCHES_REGEX BACKEND

- {#MODE} MATCHES_REGEX http|tcp

Overrides:

Discard HTTP status codes
- {#MODE} MATCHES_REGEX tcp
- ITEM_PROTOTYPE LIKE Number of responses with codes - NO_DISCOVER

Frontend discovery

Discovery frontends

DEPENDENT haproxy.frontend.discovery

Filter:

AND

- {#SVNAME} MATCHES_REGEX FRONTEND

- {#MODE} MATCHES_REGEX http|tcp

Overrides:

Discard HTTP status codes
- {#MODE} MATCHES_REGEX tcp
- ITEM_PROTOTYPE LIKE Number of responses with codes - NO_DISCOVER

Server discovery

Discovery servers

DEPENDENT haproxy.server.discovery

Filter:

AND

- {#SVNAME} NOT_MATCHES_REGEX FRONTEND|BACKEND

- {#MODE} MATCHES_REGEX http|tcp

Overrides:

Discard HTTP status codes
- {#MODE} MATCHES_REGEX tcp
- ITEM_PROTOTYPE LIKE Number of responses with codes - NO_DISCOVER

Items collected

Group Name Description Type Key and additional info
HAProxy HAProxy: Version

-

DEPENDENT haproxy.version

Preprocessing:

- REGEX: HAProxy version ([^,]*), \1

⛔️ON_FAIL: CUSTOM_ERROR -> HAProxy version is not found

- DISCARD_UNCHANGED_HEARTBEAT: 1d

HAProxy HAProxy: Uptime

-

DEPENDENT haproxy.uptime

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

HAProxy HAProxy: Service status

-

SIMPLE net.tcp.service["{$HAPROXY.STATS.SCHEME}","{HOST.CONN}","{$HAPROXY.STATS.PORT}"]

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 10m

HAProxy HAProxy: Service response time

-

SIMPLE net.tcp.service.perf["{$HAPROXY.STATS.SCHEME}","{HOST.CONN}","{$HAPROXY.STATS.PORT}"]
HAProxy HAProxy Backend {#PXNAME}: Status

Possible values:

UP - The server is reporting as healthy.

DOWN - The server is reporting as unhealthy and unable to receive requests.

NOLB - You've added http-check disable-on-404 to the backend and the health checked URL has returned an HTTP 404 response.

MAINT - The server has been disabled or put into maintenance mode.

DRAIN - The server has been put into drain mode.

no check - Health checks are not enabled for this server.

DEPENDENT haproxy.backend.status[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].status.first()

- DISCARD_UNCHANGED_HEARTBEAT: 10m

HAProxy HAProxy Backend {#PXNAME}: Responses time

Average backend response time (in ms) for the last 1,024 requests

DEPENDENT haproxy.backend.rtime[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].rtime.first()

- MULTIPLIER: 0.001

HAProxy HAProxy Backend {#PXNAME}: Errors connection per second

Number of requests that encountered an error attempting to connect to a backend server.

DEPENDENT haproxy.backend.econ.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].econ.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Responses denied per second

Responses denied due to security concerns (ACL-restricted).

DEPENDENT haproxy.backend.dresp.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].dresp.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Response errors per second

Number of requests whose responses yielded an error

DEPENDENT haproxy.backend.eresp.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].eresp.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Unassigned requests

Current number of requests unassigned in queue.

DEPENDENT haproxy.backend.qcur[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].qcur.first()

HAProxy HAProxy Backend {#PXNAME}: Time in queue

Average time spent in queue (in ms) for the last 1,024 requests

DEPENDENT haproxy.backend.qtime[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].qtime.first()

- MULTIPLIER: 0.001

HAProxy HAProxy Backend {#PXNAME}: Redispatched requests per second

Number of times a request was redispatched to a different backend.

DEPENDENT haproxy.backend.wredis.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].wredis.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Retried connections per second

Number of times a connection was retried.

DEPENDENT haproxy.backend.wretr.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].wretr.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of responses with codes 1xx per second

Number of informational HTTP responses per second.

DEPENDENT haproxy.backend.hrsp_1xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_1xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of responses with codes 2xx per second

Number of successful HTTP responses per second.

DEPENDENT haproxy.backend.hrsp_2xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_2xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of responses with codes 3xx per second

Number of HTTP redirections per second.

DEPENDENT haproxy.backend.hrsp_3xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_3xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of responses with codes 4xx per second

Number of HTTP client errors per second.

DEPENDENT haproxy.backend.hrsp_4xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_4xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of responses with codes 5xx per second

Number of HTTP server errors per second.

DEPENDENT haproxy.backend.hrsp_5xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_5xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Incoming traffic

Number of bits received by the backend

DEPENDENT haproxy.backend.bin.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bin.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Outgoing traffic

Number of bits sent by the backend

DEPENDENT haproxy.backend.bout.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bout.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Number of active servers

Number of active servers.

DEPENDENT haproxy.backend.act[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].act.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy Backend {#PXNAME}: Number of backup servers

Number of backup servers.

DEPENDENT haproxy.backend.bck[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bck.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy Backend {#PXNAME}: Sessions per second

Cumulative number of sessions (end-to-end connections) per second.

DEPENDENT haproxy.backend.stot.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].stot.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Backend {#PXNAME}: Weight

Total effective weight.

DEPENDENT haproxy.backend.weight[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].weight.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy Frontend {#PXNAME}: Status

Possible values: OPEN, STOP.

When Status is OPEN, the frontend is operating normally and ready to receive traffic.

DEPENDENT haproxy.frontend.status[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].status.first()

- DISCARD_UNCHANGED_HEARTBEAT: 6h

HAProxy HAProxy Frontend {#PXNAME}: Requests rate

HTTP requests per second

DEPENDENT haproxy.frontend.req_rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].req_rate.first()

HAProxy HAProxy Frontend {#PXNAME}: Sessions rate

Number of sessions created per second

DEPENDENT haproxy.frontend.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].rate.first()

HAProxy HAProxy Frontend {#PXNAME}: Established sessions

The current number of established sessions.

DEPENDENT haproxy.frontend.scur[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].scur.first()

HAProxy HAProxy Frontend {#PXNAME}: Session limits

The most simultaneous sessions that are allowed, as defined by the maxconn setting in the frontend.

DEPENDENT haproxy.frontend.slim[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].slim.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy Frontend {#PXNAME}: Session utilization

Percentage of sessions used (scur / slim * 100).

CALCULATED haproxy.frontend.sutil[{#PXNAME},{#SVNAME}]

Expression:

last(//haproxy.frontend.scur[{#PXNAME},{#SVNAME}]) / last(//haproxy.frontend.slim[{#PXNAME},{#SVNAME}]) * 100
HAProxy HAProxy Frontend {#PXNAME}: Request errors per second

Number of request errors per second.

DEPENDENT haproxy.frontend.ereq.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].ereq.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Denied requests per second

Requests denied due to security concerns (ACL-restricted) per second.

DEPENDENT haproxy.frontend.dreq.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].dreq.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Number of responses with codes 1xx per second

Number of informational HTTP responses per second.

DEPENDENT haproxy.frontend.hrsp_1xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_1xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Number of responses with codes 2xx per second

Number of successful HTTP responses per second.

DEPENDENT haproxy.frontend.hrsp_2xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_2xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Number of responses with codes 3xx per second

Number of HTTP redirections per second.

DEPENDENT haproxy.frontend.hrsp_3xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_3xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Number of responses with codes 4xx per second

Number of HTTP client errors per second.

DEPENDENT haproxy.frontend.hrsp_4xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_4xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Number of responses with codes 5xx per second

Number of HTTP server errors per second.

DEPENDENT haproxy.frontend.hrsp_5xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_5xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Incoming traffic

Number of bits received by the frontend

DEPENDENT haproxy.frontend.bin.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bin.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy Frontend {#PXNAME}: Outgoing traffic

Number of bits sent by the frontend

DEPENDENT haproxy.frontend.bout.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bout.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Status DEPENDENT haproxy.server.status[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].status.first()

- DISCARD_UNCHANGED_HEARTBEAT: 10m

HAProxy HAProxy {#PXNAME} {#SVNAME}: Responses time

Average server response time (in ms) for the last 1,024 requests.

DEPENDENT haproxy.server.rtime[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].rtime.first()

- MULTIPLIER: 0.001

HAProxy HAProxy {#PXNAME} {#SVNAME}: Errors connection per second

Number of requests that encountered an error attempting to connect to a backend server.

DEPENDENT haproxy.server.econ.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].econ.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Responses denied per second

Responses denied due to security concerns (ACL-restricted).

DEPENDENT haproxy.server.dresp.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].dresp.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Response errors per second

Number of requests whose responses yielded an error.

DEPENDENT haproxy.server.eresp.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].eresp.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Unassigned requests

Current number of requests unassigned in queue.

DEPENDENT haproxy.server.qcur[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].qcur.first()

HAProxy HAProxy {#PXNAME} {#SVNAME}: Time in queue

Average time spent in queue (in ms) for the last 1,024 requests.

DEPENDENT haproxy.server.qtime[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].qtime.first()

- MULTIPLIER: 0.001

HAProxy HAProxy {#PXNAME} {#SVNAME}: Redispatched requests per second

Number of times a request was redispatched to a different backend.

DEPENDENT haproxy.server.wredis.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].wredis.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Retried connections per second

Number of times a connection was retried.

DEPENDENT haproxy.server.wretr.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].wretr.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Number of responses with codes 1xx per second

Number of informational HTTP responses per second.

DEPENDENT haproxy.server.hrsp_1xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_1xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Number of responses with codes 2xx per second

Number of successful HTTP responses per second.

DEPENDENT haproxy.server.hrsp_2xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_2xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Number of responses with codes 3xx per second

Number of HTTP redirections per second.

DEPENDENT haproxy.server.hrsp_3xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_3xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Number of responses with codes 4xx per second

Number of HTTP client errors per second.

DEPENDENT haproxy.server.hrsp_4xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_4xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Number of responses with codes 5xx per second

Number of HTTP server errors per second.

DEPENDENT haproxy.server.hrsp_5xx.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].hrsp_5xx.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Incoming traffic

Number of bits received by the backend

DEPENDENT haproxy.server.bin.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bin.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Outgoing traffic

Number of bits sent by the backend

DEPENDENT haproxy.server.bout.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bout.first()

- MULTIPLIER: 8

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Server is active

Shows whether the server is active (marked with a Y) or a backup (marked with a -).

DEPENDENT haproxy.server.act[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].act.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy {#PXNAME} {#SVNAME}: Server is backup

Shows whether the server is a backup (marked with a Y) or active (marked with a -).

DEPENDENT haproxy.server.bck[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].bck.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy {#PXNAME} {#SVNAME}: Sessions per second

Cumulative number of sessions (end-to-end connections) per second.

DEPENDENT haproxy.server.stot.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].stot.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Weight

Effective weight.

DEPENDENT haproxy.server.weight[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].weight.first()

- DISCARD_UNCHANGED_HEARTBEAT: 1h

HAProxy HAProxy {#PXNAME} {#SVNAME}: Configured maxqueue

Configured maxqueue for the server, or nothing in the value is 0 (default, meaning no limit).

DEPENDENT haproxy.server.qlimit[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].qlimit.first()

- DISCARD_UNCHANGED_HEARTBEAT: 6h

- MATCHES_REGEX: ^\d+$

⛔️ON_FAIL: CUSTOM_VALUE -> 0

HAProxy HAProxy {#PXNAME} {#SVNAME}: Server was selected per second

Number of times that server was selected.

DEPENDENT haproxy.server.lbtot.rate[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].lbtot.first()

- CHANGE_PER_SECOND

HAProxy HAProxy {#PXNAME} {#SVNAME}: Status of last health check

Status of last health check, one of:

UNK -> unknown

INI -> initializing

SOCKERR -> socket error

L4OK -> check passed on layer 4, no upper layers testing enabled

L4TOUT -> layer 1-4 timeout

L4CON -> layer 1-4 connection problem, for example "Connection refused" (tcp rst) or "No route to host" (icmp)

L6OK -> check passed on layer 6

L6TOUT -> layer 6 (SSL) timeout

L6RSP -> layer 6 invalid response - protocol error

L7OK -> check passed on layer 7

L7OKC -> check conditionally passed on layer 7, for example 404 with disable-on-404

L7TOUT -> layer 7 (HTTP/SMTP) timeout

L7RSP -> layer 7 invalid response - protocol error

L7STS -> layer 7 response error, for example HTTP 5xx

Notice: If a check is currently running, the last known status will be reported, prefixed with " ". e. g. " L7OK".

DEPENDENT haproxy.server.check_status[{#PXNAME},{#SVNAME}]

Preprocessing:

- JSONPATH: $.[?(@.pxname == '{#PXNAME}' && @.svname == '{#SVNAME}')].check_status.first()

- DISCARD_UNCHANGED_HEARTBEAT: 10m

Zabbix raw items HAProxy: Get stats

HAProxy Statistics Report in CSV format

HTTP_AGENT haproxy.get

Preprocessing:

- REGEX: # ([\s\S]*)\n \1

- CSV_TO_JSON: 1

Zabbix raw items HAProxy: Get nodes

Array for LLD rules.

DEPENDENT haproxy.get.nodes

Preprocessing:

- JAVASCRIPT: return JSON.stringify(JSON.parse(value),['mode','pxname','svname'])

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Zabbix raw items HAProxy: Get stats page

HAProxy Statistics Report HTML

HTTP_AGENT haproxy.get_html

Triggers

Name Description Expression Severity Dependencies and additional info
HAProxy: Version has changed

HAProxy version has changed. Ack to close.

last(/HAProxy by HTTP/haproxy.version,#1)<>last(/HAProxy by HTTP/haproxy.version,#2) and length(last(/HAProxy by HTTP/haproxy.version))>0 INFO

Manual close: YES

HAProxy: has been restarted

Uptime is less than 10 minutes

last(/HAProxy by HTTP/haproxy.uptime)<10m INFO

Manual close: YES

HAProxy: Service is down

-

last(/HAProxy by HTTP/net.tcp.service["{$HAPROXY.STATS.SCHEME}","{HOST.CONN}","{$HAPROXY.STATS.PORT}"])=0 AVERAGE

Manual close: YES

HAProxy: Service response time is too high

-

min(/HAProxy by HTTP/net.tcp.service.perf["{$HAPROXY.STATS.SCHEME}","{HOST.CONN}","{$HAPROXY.STATS.PORT}"],5m)>{$HAPROXY.RESPONSE_TIME.MAX.WARN} WARNING

Manual close: YES

Depends on:

- HAProxy: Service is down

HAProxy backend {#PXNAME}: Server is DOWN

Backend is not available.

count(/HAProxy by HTTP/haproxy.backend.status[{#PXNAME},{#SVNAME}],#5,"eq","DOWN")=5 AVERAGE
HAProxy backend {#PXNAME}: Average response time is high

Average backend response time (in ms) for the last 1,024 requests is more than {$HAPROXY.BACK_RTIME.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.backend.rtime[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.BACK_RTIME.MAX.WARN} WARNING
HAProxy backend {#PXNAME}: Number of responses with error is high

Number of requests on backend, whose responses yielded an error, is more than {$HAPROXY.BACK_ERESP.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.backend.eresp.rate[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.BACK_ERESP.MAX.WARN} WARNING
HAProxy backend {#PXNAME}: Current number of requests unassigned in queue is high

Current number of requests on backend unassigned in queue is more than {$HAPROXY.BACK_QCUR.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.backend.qcur[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.BACK_QCUR.MAX.WARN} WARNING
HAProxy backend {#PXNAME}: Average time spent in queue is high

Average time spent in queue (in ms) for the last 1,024 requests is more than {$HAPROXY.BACK_QTIME.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.backend.qtime[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.BACK_QTIME.MAX.WARN} WARNING
HAProxy frontend {#PXNAME}: Session utilization is high

Alerting on this metric is essential to ensure your server has sufficient capacity to handle all concurrent sessions. Unlike requests, upon reaching the session limit HAProxy will deny additional clients until resource consumption drops. Furthermore, if you find your session usage percentage to be hovering above 80%, it could be time to either modify HAProxy's configuration to allow more sessions, or migrate your HAProxy server to a bigger box.

min(/HAProxy by HTTP/haproxy.frontend.sutil[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.FRONT_SUTIL.MAX.WARN} WARNING
HAProxy frontend {#PXNAME}: Number of request errors is high

Number of request errors is more than {$HAPROXY.FRONT_EREQ.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.frontend.ereq.rate[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.FRONT_EREQ.MAX.WARN} WARNING
HAProxy frontend {#PXNAME}: Number of requests denied is high

Number of requests denied due to security concerns (ACL-restricted) is more than {$HAPROXY.FRONT_DREQ.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.frontend.dreq.rate[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.FRONT_DREQ.MAX.WARN} WARNING
HAProxy {#PXNAME} {#SVNAME}: Server is DOWN

Server is not available.

count(/HAProxy by HTTP/haproxy.server.status[{#PXNAME},{#SVNAME}],#5,"eq","DOWN")=5 WARNING
HAProxy {#PXNAME} {#SVNAME}: Average response time is high

Average server response time (in ms) for the last 1,024 requests is more than {$HAPROXY.SERVER_RTIME.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.server.rtime[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.SERVER_RTIME.MAX.WARN} WARNING
HAProxy {#PXNAME} {#SVNAME}: Number of responses with error is high

Number of requests on server, whose responses yielded an error, is more than {$HAPROXY.SERVER_ERESP.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.server.eresp.rate[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.SERVER_ERESP.MAX.WARN} WARNING
HAProxy {#PXNAME} {#SVNAME}: Current number of requests unassigned in queue is high

Current number of requests unassigned in queue is more than {$HAPROXY.SERVER_QCUR.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.server.qcur[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.SERVER_QCUR.MAX.WARN} WARNING
HAProxy {#PXNAME} {#SVNAME}: Average time spent in queue is high

Average time spent in queue (in ms) for the last 1,024 requests is more than {$HAPROXY.SERVER_QTIME.MAX.WARN}.

min(/HAProxy by HTTP/haproxy.server.qtime[{#PXNAME},{#SVNAME}],5m)>{$HAPROXY.SERVER_QTIME.MAX.WARN} WARNING
HAProxy {#PXNAME} {#SVNAME}: Health check error

Please check the server for faults.

find(/HAProxy by HTTP/haproxy.server.check_status[{#PXNAME},{#SVNAME}],#3,"regexp","(?:L[4-7]OK|^$)")=0 WARNING

Depends on:

- HAProxy {#PXNAME} {#SVNAME}: Server is DOWN

Feedback

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