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annotate mod_measure_stanza_counts/mod_measure_stanza_counts.lua @ 5648:c217f4edfc4f

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misc/mtail: Start of an mtail config Stashing it here in case anyone wants to continue working on it. Currently it's only counting log messages by level. Due to the permissions set by systemd on Prosody logs, mtail never managed to start correctly until permissions were manually relaxed.
author Kim Alvefur <zash@zash.se>
date Sun, 17 Sep 2023 13:36:30 +0200
parents 33b1b6ff23d8
children
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1 module:set_global()
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2
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3 local filters = require"util.filters";
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4
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5 local stanzas_in = module:metric(
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6 "counter", "received", "",
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7 "Stanzas received by Prosody",
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8 { "session_type", "stanza_kind" }
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9 )
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10 local stanzas_out = module:metric(
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11 "counter", "sent", "",
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12 "Stanzas sent by prosody",
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13 { "session_type", "stanza_kind" }
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14 )
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16 local stanza_kinds = { message = true, presence = true, iq = true };
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17
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18 local function rate(metric_family)
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19 return function (stanza, session)
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20 if stanza.attr and not stanza.attr.xmlns and stanza_kinds[stanza.name] then
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21 metric_family:with_labels(session.type, stanza.name):add(1);
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22 end
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23 return stanza;
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24 end
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25 end
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26
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27 local function measure_stanza_counts(session)
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28 filters.add_filter(session, "stanzas/in", rate(stanzas_in));
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29 filters.add_filter(session, "stanzas/out", rate(stanzas_out));
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30 end
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31
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32 filters.add_filter_hook(measure_stanza_counts);