prosody-modules
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mod_munin/README.markdown

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mod_munin/README.markdown @ 5173:460f78654864

mod_muc_rtbl: also filter messages This was a bit tricky because we don't want to run the JIDs through SHA256 on each message. Took a while to come up with this simple plan of just caching the SHA256 of the JIDs on the occupants. This will leave some dirt in the occupants after unloading the module, but that should be ok; once they cycle the room, the hashes will be gone. This is direly needed, otherwise, there is a tight race between the moderation activities and the actors joining the room.
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 21 Feb 2023 21:37:27 +0100
parent 4451:f1a63271dcfc
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 - 'Statistics'
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5 summary: Implementation of the Munin node protocol
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6 ...
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7
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8 Summary
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9 =======
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11 This module implements the Munin reporting protocol, allowing you to
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12 collect statistics directly from Prosody into Munin.
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14 Configuration
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15 =============
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16
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17 There is only one recommended option, `munin_node_name`, which specifies
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18 the name that Prosody will identify itself by to the Munin server. You
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19 may want to set this to the same hostname as in the [SRV record][doc:dns]
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20 for the machine.
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21
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22 ```lua
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23 modules_enabled = {
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24 -- your other modules
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25 "munin",
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26 }
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28 munin_node_name = "xmpp.example.com"
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29 ```
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30
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31 You will also want to enable statistics collection by setting:
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32
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33 ```lua
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34 statistics_interval = 300 -- every 5 minutes, same as munin
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35 ```
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37 ## Summary
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38
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39 All these must be in [the global section][doc:configure#overview].
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41 Option Type Default
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42 ----------------------- -------- ---------------------------
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43 munin\_node\_name string `"localhost"`
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44 munin\_ignored\_stats set `{ }`
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45 munin\_ports set `{ 4949 }`
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46 munin\_interfaces set `{ "0.0.0.0", "::" }`[^1]
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48 [^1]: Varies depending on availability of IPv4 and IPv6
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49
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50 ## Ports and interfaces
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52
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53 `mod_munin` listens on port `4949` on all local interfaces by default.
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54 This can be changed with the standard [port and network configuration][doc:ports]:
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55
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56
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57 ``` lua
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58 -- defaults:
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59 munin_ports = { 4949 }
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60 munin_interfaces = { "::", "0.0.0.0" }
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61 ```
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62
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63 If you already have a `munin-node` instance running, you can set a
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64 different port to avoid the conflict.
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65
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66 ## Configuring Munin
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67
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68 Simply add `munin_node_name` surrounded by brackets to `/etc/munin/munin.conf`:
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69
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70 ``` ini
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71 [xmpp.example.com]
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72 address xmpp.example.com
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73 port 4949
2009
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74 ```
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75
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76 You can leave out `address` if it equal to the name in brackets, and
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77 leave out the `port` if it is the default (`4949`).
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78
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79 Setting `address` to an IP address may sometimes be useful as the Munin
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80 collection server is not delayed by DNS lookups in case of network
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81 issues.
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82
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83 If you set a different port, or if the hostname to connect to is
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84 different from this hostname, make sure to add `port` and/or `address`
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85 options.
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86
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87 See [Munin documentation][muninconf] for more information.
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88
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89 Compatibility
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90 =============
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91
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92 **Requires** Prosody 0.10 or above
2009
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93
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94 [muninconf]: http://guide.munin-monitoring.org/en/stable-2.0/reference/munin.conf.html