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annotate mod_audit_status/README.md @ 5668:ecfd7aece33b

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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
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2 summary: Log server status changes to audit log
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3 rockspec: {}
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4 ...
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6 This module records server status (start, stop, crash) to the audit log
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7 maintained by [mod_audit].
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9 ## Configuration
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11 There is a single option, `audit_status_heartbeat_interval` which specifies
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12 the interval at which the "server is running" heartbeat should be updated (it
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13 is stored in Prosody's configured storage backend).
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15 To detect crashes, Prosody periodically updates this value at the specified
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16 interval. A low value will update more frequently, which causes additional I/O
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17 for Prosody. A high value will give less accurate timestamps for "server
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18 crashed" events in the audit log.
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19
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20 The default value is 60 (seconds).
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22 ```lua
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23 audit_status_heartbeat_interval = 60
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24 ```
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26 ## Compatibility
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28 This module requires Prosody trunk (as of April 2023). It is not compatible
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29 with 0.12.