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JSON rsyslog output for Logstash
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| template(name="ls_json" | |
| type="list" | |
| option.json="on") { | |
| constant(value="{") | |
| constant(value="\"@timestamp\":\"") property(name="timereported" dateFormat="rfc3339") | |
| constant(value="\",\"@version\":\"1") | |
| constant(value="\",\"message\":\"") property(name="msg") | |
| constant(value="\",\"host\":\"") property(name="hostname") | |
| constant(value="\",\"severity\":\"") property(name="syslogseverity-text") | |
| constant(value="\",\"facility\":\"") property(name="syslogfacility-text") | |
| constant(value="\",\"programname\":\"") property(name="programname") | |
| constant(value="\",\"procid\":\"") property(name="procid") | |
| constant(value="\"}\n") | |
| } |
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| input { | |
| udp { | |
| port => 10514 | |
| codec => "json" | |
| type => "syslog" | |
| } | |
| } | |
| filter { | |
| # This replaces the host field (UDP source) with the host that generated the message (sysloghost) | |
| if [sysloghost] { | |
| mutate { | |
| replace => [ "host", "%{sysloghost}" ] | |
| remove_field => "sysloghost" # prune the field after successfully replacing "host" | |
| } | |
| } | |
| } | |
| output { | |
| # whatever | |
| } |
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| # Other config goes above here... | |
| # Include all config files in /etc/rsyslog.d/ | |
| $IncludeConfig /etc/rsyslog.d/*.conf | |
| # Set the target host here by replacing 127.0.0.1 | |
| *.* @127.0.0.1:10514;ls_json |
rsyslog doesn't understand that template... is it -ng or some other variant ?
You probably have an rsyslog version older than 6 if this does not work.
Hi,
don´t work for rsyslog-7.4.7 and logstash:5.4.0
any working version ??
I use this tutorial but get Error.
all my config :
** rsyslog side**
: /etc/rsylog.conf
*.* action(type="omfwd" target="192.168.163.41" port="514" protocol="udp"
action.resumeRetryCount="100"
queue.type="linkedList" queue.size="10000" template="ls_json")
/etc/rsyslog.d/json.conf
template(name="ls_json"
type="list"
option.json="on") {
constant(value="{")
constant(value="\"@timestamp\":\"") property(name="timereported" dateFormat="rfc3339")
constant(value="\",\"@version\":\"1")
constant(value="\",\"message\":\"") property(name="msg")
constant(value="\",\"host\":\"") property(name="hostname")
constant(value="\",\"severity\":\"") property(name="syslogseverity-text")
constant(value="\",\"facility\":\"") property(name="syslogfacility-text")
constant(value="\",\"programname\":\"") property(name="programname")
constant(value="\",\"procid\":\"") property(name="procid")
constant(value="\"}\n")
}
Logstash Side
logstash.conf
input {
udp {
port => 10514
host => "192.168.163.41"
tags => "syslog"
codec => "json"
}
}
output {
if "rsyslog" in [tags] {
gelf {
host => "192.168.163.163"
sender => "192.168.163.41"
}
}
}
I get Error when recive log from rsyslog to logstash
Sep 9 19:39:46 logread logstash: [2018-09-09T19:39:46,244][ERROR][logstash.codecs.json ] JSON parse error, original data now in message field {:error=>#<LogStash::Json::ParserError: Unexpected character ('@' (code 64)): was expecting comma to separate Object entries
Sep 9 19:39:46 logread logstash: at [Source: (String)"{"@timestamp":"2018-09-09T19:39:46.239257-04:00","@version":"1","message":"\"2018-09-09T19:39:14.023499-04:00\",\"@version\":\"1\",\"message\":\"ddddddddddd\",\"host\":\"kafka1\",\"severity\":\"notice\",\"facility\":\"user\",\"programname\":\"root\",\"procid\":\"-\"}","sysloghost":"192.168.163.37","severity":"notice","facility":"user","programname":"{"@timestamp"","procid":"-"}
Sep 9 19:39:46 logread logstash: "; line: 1, column: 356]>, :data=>"{\"@timestamp\":\"2018-09-09T19:39:46.239257-04:00\",\"@version\":\"1\",\"message\":\"\\\"2018-09-09T19:39:14.023499-04:00\\\",\\\"@version\\\":\\\"1\\\",\\\"message\\\":\\\"ddddddddddd\\\",\\\"host\\\":\\\"kafka1\\\",\\\"severity\\\":\\\"notice\\\",\\\"facility\\\":\\\"user\\\",\\\"programname\\\":\\\"root\\\",\\\"procid\\\":\\\"-\\\"}\",\"sysloghost\":\"192.168.163.37\",\"severity\":\"notice\",\"facility\":\"user\",\"programname\":\"{\"@timestamp\"\",\"procid\":\"-\"}\n"}
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logstash-json.confin this example is more properly/etc/rsyslog.d/logstash-json.conf