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mod_measure_modules: Report module statuses via OpenMetrics Someone in the chat asked about a health check endpoint, which reminded me of mod_http_status, which provides access to module statuses with full details. After that, this idea came about, which seems natural. As noted in the README, it could be used to monitor that critical modules are in fact loaded correctly. As more modules use the status API, the more useful this module and mod_http_status becomes.
author Kim Alvefur <zash@zash.se>
date Fri, 06 Oct 2023 18:34:39 +0200
parents 1132f2888cd2
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2 labels:
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3 - 'Stage-Alpha'
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4 summary: 'Measure number of daily, weekly and monthly active users'
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5 ...
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7 Introduction
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8 ============
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9
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10 This module calculates the number of daily, weekly and monthly active users -
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11 often abbreviated as DAU, WAU and MAU.
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12
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13 These metrics are more accurate for determining how many people are actually
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14 using a service. For example simply counting registered accounts will typically
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15 include many dormant accounts that aren't really being used. Many servers also
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16 track the number of connected users. This is a useful metric for many purposes,
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17 but it is generally lower than the actual number of users - because some users
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18 may only connect at certain times of day.
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19
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20 The module defines "activity" as any login/logout event during the time period,
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21 and for this it depends on mod_lastlog2 being loaded (it reads the data stored
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22 by mod_lastlog2). Each individual user is only counted once.
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24 "Daily" means any event within the past 24 hours, "weekly" means within the
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25 past 7 days, and "monthly" means within the past 30 days.
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27 Details
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28 =======
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30 The user count is calculated shortly after startup, and then recalculated
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31 hourly after that.
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32
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33 Metrics are exported using Prosody's built-in statistics API.
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34
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35 There is no configuration for this module.
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36
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37 Compatibility
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38 =============
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39
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40 Requires Prosody 0.11 or later with mod_lastlog2 enabled.