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annotate mod_pubsub_serverinfo/README.markdown @ 5805:55b99f593c3a

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mod_pubsub_serverinfo: Disco/info cache TTL should be configurable This module caches the disco/info results of remote domains. This commit introduces a new configuration option that allows an admin to configure the cache expiry duration.
author Guus der Kinderen <guus.der.kinderen@gmail.com>
date Thu, 04 Jan 2024 12:05:51 +0100
parents f55e65315ba0
children d4612e7f6724
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2 labels:
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3 - 'Statistics'
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6 Exposes server information over Pub/Sub per ProtoXEP: PubSub Server Information.
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8 This version, announces support (used to 'opt-in', per the XEP) and publishes the name of the local domain via a Pub/Sub node. The published data
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9 will contain an unnamed 'remote-domain' element for each inbound or outgoing s2s connection.
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11 Features yet to be implemented:
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12 - For 'remote-domain' elements, add domain name _only if_ through service discovery that domain advertises the 'urn:xmpp:serverinfo:0' feature.
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14 Installation
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15 ============
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16
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17 Enable this module in the global or a virtual host.
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19 The default configuration requires the existence of a Pub/Sub component that uses the 'pubsub' subdomain of the host in which the module is enabled:
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21 Component "pubsub.example.org" "pubsub"
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23 The module will create a node and publish data, using a JID that matches the XMPP domain name of the host. Ensure that this actor is an admin of the
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24 Pub/Sub service:
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26 admins = { "example.org" }
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28 Configuration
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29 =============
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31 The Pub/Sub service on which data is published, by default, is a component addressed as the `pubsub` subdomain of the domain of the virtual host that
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32 the module is loaded under. To change this, apply this configuration setting:
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34 pubsub_serverinfo_service = "anotherpubsub.example.org"
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36 The Pub/Sub node on which data is published is, by default, a leaf-node named `serverinfo`. To change this, apply this configuration setting:
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38 pubsub_serverinfo_node = "foobar"
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40 To prevent a surplus of event notifications, this module will only publish new data after a certain period of time has expired. The default duration
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41 is 300 seconds (5 minutes). To change this simply put in the config:
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43 pubsub_serverinfo_publication_interval = 180 -- or any other number of seconds
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45 To detect if remote domains allow their domain name to be included in the data that this module publishes, this module will perform a service
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46 discovery request to each remote domain. To prevent a continuous flood of disco/info requests, the response to these requests is cached. By default,
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47 a cached value will remain in cache for one hour. This duration can be modified by adding this configuration option:
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49 pubsub_serverinfo_cache_ttl = 1800 -- or any other number of seconds