containers-telegraf

Telegraf container for monitoring various services and applications.

This container is based on the official Telegraf Alpine image and provides 2 configuration files:

• telegraf_debug.conf: a configuration file with debug metrics collection and a 10s interval
• telegraf_production.conf: a configuration file with minimal metrics collection and a 30s interval

Dynamic detection of host comptability for the following plugins:

• [[inputs.linux_cpu]] cpufreq plugin
• [[inputs.linux_cpu]] thermal plugin

Usage

Build the container

docker build -t telegraf .

Runtime configuration

Environment variables:

• TELEGRAF_CONFIG_LEVEL: the configuration level to use (default: production)
• TELEGRAF_CONFIG_FILE: the configuration file to use (default: /etc/telegraf/telegraf_$TELEGRAF_CONFIG_LEVEL.conf)
• TELEGRAF_HOSTNAME: the hostname to use in the InfluxDB output plugin (default: telegraf)
• CHRONY_URL: the URL of the Chrony server to monitor (default: disabled)
• HA_PROXY_URL: the URL of the HAProxy server to monitor (default: disabled)

Future Work

Chrony Metrics

Docs: https://github.com/influxdata/telegraf/tree/master/plugins/inputs/chrony

NVIDIA GPU Metrics

Docs:

https://github.com/influxdata/telegraf/blob/master/plugins/inputs/nvidia_smi/README.md

Binary:

See https://github.com/influxdata/telegraf/pull/11832/files

devices: - /dev/nvidiactl:/dev/nvidiactl - /dev/nvidia0:/dev/nvidia0 volumes: - ./telegraf/etc/telegraf.conf:/etc/telegraf/telegraf.conf:ro - /usr/bin/nvidia-smi:/usr/bin/nvidia-smi:ro - /usr/lib/x86_64-linux-gnu/nvidia:/usr/lib/x86_64-linux-gnu/nvidia:ro environment: - LD_PRELOAD=/usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia-ml.so