- Lab
- A Cloud Guru
Docker Daemon Monitoring with Prometheus
Prometheus is capable of monitoring a wide variety of systems and infrastructures, including Docker. In this lab, you will have the opportunity to set up Prometheus to monitor a Docker daemon. This will give you some hands-on experience with the process of monitoring Docker daemons with Prometheus.
Path Info
Table of Contents
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Challenge
Configure the Docker Daemon to Serve Prometheus Metrics
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Log in to the Docker server.
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Edit the Docker config file:
sudo vi /etc/docker/daemon.json
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Add configuration to enable experimental mode and set the metrics address:
{ "experimental": true, "metrics-addr": "10.0.1.102:9323" }
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Restart Docker to load the new configuration:
sudo systemctl restart docker
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Verify Docker is serving Prometheus metrics:
curl 10.0.1.102:9323/metrics
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Challenge
Configure Prometheus to Scrape Docker Metrics
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Log in to the Prometheus server.
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Edit the Prometheus config:
sudo vi /etc/prometheus/prometheus.yml
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Under the
scrape_configs
section, add a scrape configuration for Docker:- job_name: 'Docker' static_configs: - targets: ['limedrop-docker:9323']
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Restart Prometheus to load the new configuration:
sudo systemctl restart prometheus
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Use the expression browser to verify you can see Docker metrics in Prometheus. You can access the expression browser in a web browser at
http://<PROMETHEUS_SERVER_PUBLIC_IP>:9090
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Run a query to view some Docker metric data:
engine_daemon_container_states_containers
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What's a lab?
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Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Guided walkthrough
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
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