syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL.
bazsi on master
dbld: install criterion from so… Merge pull request #4311 from b… (compare)
Hi everyone....we are looking for alternatives to logstash and want to test syslog-ng. We are using a lot of filters and grok
to - sometimes - create "nested objects" (within elasticsearch). Can someone show me a simple example, howto extract information from within a syslog
message (${MESSAGE}
) field, so we are able to "create" a new field? Example: Syslog message contains VM some_super_shiny_vm_name has been started
. I want to add a new - nested - field like vm.name
(JSON: {"vm": {"name": "my_super_shiny_vm_name"}}
with the name of the VM ("my_super_shiny_vm_name"), so I could create a json object like
$(format-json message=${MESSAGE} vm.name=${my_new_extracted_field})
Thanks you for help.
.*
some kind of "workaround" within the new regexp-parser
pattern so a message does not get discarded in case none of the previous pattern
finds anything? Because I'm currently testing this new regexp-parser and added several patterns to extract information and noticed, that my message was never written to the destination. This seems to be caused by the fact, that none of my patterns really matched something. So is some kind of last pattern like .*
the only chance I do not lose a message or are there flags that I can use to prevent messages to be discarded? Thank you for your help
TAGS
into a JSON array, that should then be used within elasticsearch. Currently, the TAGS
are set, but set a a static string (comma separated). I tried it with some rewrite
but currently I cannot get it work. So I tried for examplerewrite {
set("$(explode ',' ${TAGS})", value("tags"));
};
Hello,
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NaN
it doesn't like
Basic config elements look like this:
source s_ciscoudp { udp (ip("0.0.0.0") port(5140) flags(no-parse,store-raw-message)); };
destination d_raw { file("/var/log/raw" template("${RAWMSG}\n")); };
destination d_fromcisco { file("/etc/syslog-ng/fromcisco" template(t_jsonfile)); };
template t_jsonfile {
template("$(format-json --scope rfc5424 --scope dot-nv-pairs
--rekey .* --shift 1 --scope nv-pairs --key ISODATE)\n\n");
};
parser p_cisco {
cisco-parser();
};
log { source(s_ciscoudp); destination(d_raw); parser(p_cisco); destination(d_fromcisco); };