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annotate mod_host_status_heartbeat/README.markdown @ 4542:fb4a50bf60f1

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mod_prometheus: Invoke stats collection if in 'manual' mode Since 10d13e0554f9 a special value for statistics_interval "manual" exists, where a module is expected to invoke processing in connection to collection of stats. This makes internal collection and exporting to Prometheus happens at the same time with no chance of timers getting out of sync.
author Kim Alvefur <zash@zash.se>
date Tue, 13 Apr 2021 23:53:53 +0200
parents 3f75f892a41e
children 694b62d8a82f
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2 labels: Stage-Beta
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3 summary: Host status heartbeat
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4 ...
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6 Introduction
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7 ============
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9 This module integrates with [mod\_host\_status\_check] to provide heartbeats at regular intervals.
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11 The only time you will generally want this, is if you are using [mod\_component\_client] to run Prosody as
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12 an external component of another Prosody server that has [mod\_host\_status\_check] loaded and waiting for
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13 heartbeats.
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15 Alternatively you can run this on the same Prosody host as [mod\_http\_host\_status\_check] and it will simply
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16 update a variable periodically to indicate that Prosody and timers are functional.
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18 Configuration
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19 =============
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21 The following configuration options are supported:
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23 ```{.lua}
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24 -- The number of seconds to wait between sending heartbeats
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25 status_check_heartbeat_interval = 5
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27 -- Set this to "remote" (the default) if you are using mod_component_client
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28 -- and you want to send a heartbeat to a remote server. Otherwise
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29 -- set it to "local" to send to mod_host_status_check on the same server.
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30 status_check_heartbeat_mode = "remote"
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31 ```
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33 Compatibility
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34 =============
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36 Works with Prosody 0.9.x and later.