prosody-modules
4356088ad675
mod_log_json/README.markdown

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mod_log_json/README.markdown @ 4462:4356088ad675

mod_log_json: allow logging of formatted message This is for logging pipelines which can not or do not want to interpret sprintf-style strings but still need the complete string for search or whatever.
author Jonas Schäfer <jonas@wielicki.name>
date Mon, 22 Feb 2021 16:08:55 +0100
parent 3746:bc865568ff02
comparison
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4461:b9c1216987ae 4462:4356088ad675
68 final message. 68 final message.
69 69
70 `args` 70 `args`
71 : Array of extra arguments, corresponding to `printf`-style `%s` 71 : Array of extra arguments, corresponding to `printf`-style `%s`
72 formatting in the `message`. 72 formatting in the `message`.
73
74 Formatted message
75 -----------------
76
77 If desired, at the obvious expense of performance, the formatted version of
78 the string can be included in the JSON object by specifying the `formatted_as`
79 key in the logger config:
80
81 ``` {.lua}
82 log = {
83 -- ... other sinks ...
84 { to = "json", formatted_as = "msg_formatted", filename = "/var/log/prosody/prosody.json" };
85 }
86
87 ```
88
89 This will expose the formatted message in the JSON as separate `msg_formatted`
90 key. It is possible to override existing keys using this (for example, the
91 `message` key), but not advisible.