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cAdvisor

Overview​

This installation happens on the dsb-node-01.

According to cAdvisor's GitHub Repository, cAdvisor (Container Advisor) is an open-source tool from Google designed to provide insights into resource usage and performance characteristics of running containers. It collects, aggregates, processes, and exports information about running containers, making it a valuable tool for monitoring containerized environments. This guide will walk you through the steps to install and configure cAdvisor using Docker Compose on your system.

Installation Steps​

  1. Create Necessary Directories

    First, navigate to your apps directory and create a new directory for cAdvisor:

    cd apps
    mkdir cadvisor

    Next, create the Docker library directory if it does not already exist:

    cd /var/lib
    mkdir docker
    chown -R root:root docker

  2. Create Docker Compose File

    Navigate back to the cadvisor directory and create a docker-compose.yml file:

    cd ~/apps/cadvisor
    touch docker-compose.yml

  3. Configure Docker Compose File

    Edit the docker-compose.yml file and add the following configuration:

    version: "3.8"

    services:
      cadvisor:
        image: gcr.io/cadvisor/cadvisor
        container_name: cadvisor
        privileged: true
        restart: unless-stopped
        ports:
          - "8080:8080"
        volumes:
          - /:/rootfs:ro
          - /var/run:/var/run:ro
          - /sys:/sys:ro
        network_mode: host

  4. Deploy cAdvisor

    Finally, use Docker Compose to deploy cAdvisor:

    docker-compose up -d

You're Done​

Congratulations! You have successfully installed and configured cAdvisor. The cAdvisor service is now running and can be accessed via port 8080 on your host machine. This setup will allow you to monitor and visualize the performance metrics of your running containers in real-time.