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Libraries: If you want this lab, consider one of these libraries.
- Cloud

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.

Lab 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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About the author
Real skill practice before real-world application
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