Telegraf

agent written in Go for collecting metrics from the system it's running on, or from other services, and writing them into InfluxDB.

• https://github.com/influxdb/telegraf
• https://influxdata.com/time-series-platform/telegraf/

Telegraf propose de nombreux plugins pour aerospike apache bcache disque docker elasticsearch exec (generic JSON-emitting executable plugin) haproxy httpjson (generic JSON-emitting http service plugin) influxdb jolokia leofs lustre2 mailchimp memcached mongodb mysql nginx nsq phpfpm phusion passenger ping postgresql powerdns procstat prometheus puppetagent rabbitmq redis rethinkdb sql server (microsoft) twemproxy zfs zookeeper sensors snmp win_perf_counters (windows performance counters) system

Installation

Sur Debian

Il faut préalablement installer et démarrer InfluxDB.

wget http://get.influxdb.org/telegraf/telegraf_0.10.1-1_amd64.deb
sudo dpkg -i telegraf_0.10.1-1_amd64.deb
telegraf -help
telegraf --usage mysql
telegraf --usage influxdb

Avec Docker

Suivre

• https://hub.docker.com/r/bbailey/telegraf/
• https://github.com/benfb/docker-telegraf

Configuration

telegraf -sample-config > telegraf.conf

Editer le fichier de configuration telegraf.conf pour donner le serveur influxdb (par défaut localhost).

Lancement

telegraf -config telegraf.conf -input-filter cpu:mem:disk:diskio:swap:net:netstat  -output-filter influxdb

Requêtes

Depuis le shell influx

SHOW DATABASES
USE telegraf

SELECT * FROM cpu
SELECT * FROM cpu, mem LIMIT 1
SELECT * FROM /.*/ LIMIT 1

Depuis Chronograf

Ajouter un graphique avec SELECT * FROM cpu

Depuis Grafana

Importer et configurer le dashboard pour Telegraf via la console Web ou la ligne de commande.

Extra: Telegraf usages

#!/bin/sh

PLUGINS="
aerospike \
apache \
bcache \
disque \
docker \
elasticsearch \
exec \
haproxy \
httpjson \
influxdb \
jolokia \
leofs \
lustre2 \
mailchimp \
memcached \
mongodb \
mysql \
nginx \
nsq \
phpfpm \
phusion  \
ping \
postgresql  \
powerdns \
procstat \
prometheus \
puppetagent \
rabbitmq \
redis \
rethinkdb \
sqlserver \
twemproxy  \
zfs \
zookeeper \
sensors \
snmp \
win_perf_counters \
system  \
statsd \
kafka_consumer \
github_webhooks \
influxdb \
amon \
amqp \
kinesis \
cloudwatch \
datadog \
graphite \
kafka \
librato \
mqtt \
nsq \
opentsdb \
prometheus \
riemann \
"

for p in $PLUGINS
do
	echo "\n==============="
	echo $p
	echo "==============="
	telegraf --usage $p
done