Telegraf

简介 #

Telegraf 是一个用于收集、处理、聚合和写入指标的 agent，来自 InfluxData 公司。

Telegraf 支持多种输出插件，我们可以使用 opentsdb 或 prometheusremotewrite 插件将指标发送到夜莺。下面是以 opentsdb 为例的配置。

安装 #

#!/bin/sh

version=1.20.4
tarball=telegraf-${version}_linux_amd64.tar.gz
wget https://dl.influxdata.com/telegraf/releases/$tarball
tar xzvf $tarball

mkdir -p /opt/telegraf
cp -far telegraf-${version}/usr/bin/telegraf /opt/telegraf

cat <<EOF > /opt/telegraf/telegraf.conf
[global_tags]

[agent]
  interval = "10s"
  round_interval = true
  metric_batch_size = 1000
  metric_buffer_limit = 10000
  collection_jitter = "0s"
  flush_interval = "10s"
  flush_jitter = "0s"
  precision = ""
  hostname = ""
  omit_hostname = false

[[outputs.opentsdb]]
  host = "http://127.0.0.1"
  port = 17000
  http_batch_size = 50
  http_path = "/opentsdb/put"
  debug = false
  separator = "_"

[[inputs.cpu]]
  percpu = true
  totalcpu = true
  collect_cpu_time = false
  report_active = true

[[inputs.disk]]
  ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs"]

[[inputs.diskio]]

[[inputs.kernel]]

[[inputs.mem]]

[[inputs.processes]]

[[inputs.system]]
  fielddrop = ["uptime_format"]

[[inputs.net]]
  ignore_protocol_stats = true

EOF

cat <<EOF > /etc/systemd/system/telegraf.service
[Unit]
Description="telegraf"
After=network.target

[Service]
Type=simple

ExecStart=/opt/telegraf/telegraf --config telegraf.conf
WorkingDirectory=/opt/telegraf

SuccessExitStatus=0
LimitNOFILE=65535
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=telegraf
KillMode=process
KillSignal=SIGQUIT
TimeoutStopSec=5
Restart=always


[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable telegraf
systemctl restart telegraf
systemctl status telegraf