Annotate

mod_log_json/README.markdown @ 4300:3f3b672b7616

mod_vcard_muc: Pass room object around instead of JID, hopefully fixing traceback More efficient to pass the object around instead of using the JID and looking up the object when needed. It seems in some (undetermined) cases get_room_from_jid(room.jid) is nil.
author Matthew Wild <mwild1@gmail.com>
date Tue, 15 Dec 2020 10:49:11 +0000
parent 3746:bc865568ff02
child 4462:4356088ad675
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1 ---
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2 summary: JSON Log Sink
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3 ---
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4
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5 Conifiguration
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6 ==============
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7
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8 Here we log to `/var/log/prosody/prosody.json`:
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9
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10 ``` {.lua}
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11 log = {
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12 -- your other log sinks
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13 info = "/var/log/prosody/prosody.log"
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14 -- add this:
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15 { to = "json", filename = "/var/log/prosody/prosody.json" };
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16 }
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17 ```
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18
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19 ## UDP
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20
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21 Alternatively, it can send logs via UDP:
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22
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23 ```lua
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24 log = {
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25 { to = "json", udp_host = "10.1.2.3", udp_port = "9999" };
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26 }
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27 ```
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28
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29 Format
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30 ======
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31
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32 JSON log files consist of a series of `\n`-separated JSON objects,
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33 suitable for mangling with tools like
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34 [`jq`](https://stedolan.github.io/jq/).
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35
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36 Example (with whitespace and indentation for readability):
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37
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38 ``` {.json}
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39 {
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40 "args" : [],
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41 "datetime" : "2019-11-03T13:38:28Z",
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42 "level" : "info",
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43 "message" : "Client connected",
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44 "source" : "c2s55f267f5b9d0"
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45 }
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46 {
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47 "args" : [
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48 "user@example.net"
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49 ],
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50 "datetime" : "2019-11-03T13:38:28Z",
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51 "level" : "debug",
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52 "message" : "load_roster: asked for: %s",
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53 "source" : "rostermanager"
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54 }
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55 ```
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56
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57 `datetime`
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58 : [XEP-0082]-formatted timestamp.
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59
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60 `source`
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61 : Log source, usually a module or a connected session.
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62
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63 `level`
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64 : `debug`, `info`, `warn` or `error`
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65
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66 `message`
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67 : The log message in `printf` format. Combine with `args` to get the
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68 final message.
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69
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70 `args`
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71 : Array of extra arguments, corresponding to `printf`-style `%s`
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72 formatting in the `message`.