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plugin/log: detail {combined} and {common} (#2422)

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These can be used (and are handy), document them.

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2019-01-04 19:39:02 +00:00
committed by GitHub
parent 5e4faf9bb5
commit 300506ee91
1 changed files with 9 additions and 6 deletions
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15
plugin/log/README.md
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@@ -27,7 +27,9 @@ log [NAME] [FORMAT]
~~~
* `NAME` is the name to match in order to be logged
* `FORMAT` is the log format to use (default is Common Log Format)
* `FORMAT` is the log format to use (default is Common Log Format), `{common}` is used as a shortcut
for the Common Log Format. You can also use `{combined}` for a format that adds the query opcode
`{>opcode}` to the Common Log Format.
You can further specify the classes of responses that get logged:
@@ -45,7 +47,8 @@ The classes of responses have the following meaning:
* `denial`: either NXDOMAIN or NODATA (name exists, type does not)
* `error`: SERVFAIL, NOTIMP, REFUSED, etc. Anything that indicates the remote server is not willing to
resolve the request.
* `all`: the default - nothing is specified. Using of this class means that all messages will be logged whatever we mix together with "all".
* `all`: the default - nothing is specified. Using of this class means that all messages will be
logged whatever we mix together with "all".
If no class is specified, it defaults to *all*.
@@ -75,8 +78,8 @@ The following place holders are supported:
* `{>opcode}`: query OPCODE
* `{/[LABEL]}`: any metadata label is accepted as a place holder if it is enclosed between `{/` and `}`.
the place holder will be replaced by the corresponding metadata value or the default value `-` if label is not defined.
* `{common}`: the default Common Log Format.
* `{combined}`: the Common Log Format with the query opcode.
The default Common Log Format is:
@@ -119,11 +122,11 @@ Only log denials for example.org (and below to a file)
}
~~~
Log all queries which were not resolved successfully
Log all queries which were not resolved successfully in the Combined Log Format.
~~~ corefile
. {
log . {
log . {combined} {
class denial error
}
}