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Send a log message to a gelf server using the shell.
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# This script can be used to raise a graylog2/gelf message | |
# gzip it and send it to a graylog server using netcat (nc) | |
hostname='gelftester' | |
short_message='test message short version' | |
full_message='longer test message. dont\n worry be happy' | |
level=1 | |
facility='gelftester' | |
# gnu date | |
date=$(date +'%s.%N') | |
env_name='test' | |
app_name='testapp' | |
# Read the message into the variable ${gelf_message} | |
# see http://graylog2.org/gelf for mor info | |
read -r -d '' gelf_message <<EOF | |
{ | |
"version": "1.0", | |
"host": "${hostname}", | |
"short_message": "${short_message}", | |
"full_message": "${full_message}", | |
"timestamp": ${date}, | |
"level": ${level}, | |
"facility": "${facility}", | |
"_user_id": 42, | |
"_Environment": "${env_name}", | |
"_AppName": "${app_name}" | |
} | |
EOF | |
echo Plain | |
echo ----- | |
echo -n "${gelf_message}" | |
echo ============== | |
echo | |
echo | |
echo Gzipped and Gunzipped | |
echo --------------------- | |
echo -n "${gelf_message}"| gzip -c -f - | gunzip -c - | |
echo ============== | |
echo | |
echo | |
echo Send | |
echo ---- | |
echo "${gelf_message}"| gzip -c -f - | nc -w 1 -u grayloghost 12201 | |
echo ============== | |
echo | |
echo |
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