docs: add documentation about setting up alarms #6709
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Signed-off-by: Guillaume <[email protected]>
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| The metrics used by `perfmon` are collected by the `xcp-rrdd` daemon. The `xcp-rrdd` daemon is a component of XAPI responsible for collecting metrics and storing them as Round-Robin Databases (RRDs). | ||
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| A XAPI plugin also exists, providing the functions `stop`, `start`, `restart`, `refresh`, and `debug_mem`. The `stop`, `start`, and `restart` functions appear to be deprecated, as they do not use systemd to manage the state of the `perfmon` daemon. |
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could the deprecated functions be dropped completely, then?
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Oh yes in fact I saw that @last-genius removed them few days ago :)... I will remove this 👍
| '<config><variable><name value="cpu_usage"/><alarm_trigger_level value="0.5"/></variable></config>' | ||
| ``` | ||
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| - The XML string can include multiple <variable> nodes allowed |
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This would benefit from details what legal values are for each of these:
- alarm_priority
- regular expression syntax is not unique; several standards exist
You could point to the code where this is implemented.
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you mean adding that alarm_priority will be the priority of the generated message right?
Oh I didn't know about regex. And I guess that you don't think about pattern related to the config tag like it is done here: https://github.com/xapi-project/xen-api/blob/master/python3/bin/perfmon#L871
I don't know how exactly regex are used but for sure I will try to improve this part.
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