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computer-playbook/roles/health-docker-container/README.md

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Health Check for Docker Containers

Description

This Ansible role is designed to ensure the health of Docker containers running on a system. It includes a script that checks for unhealthy or exited Docker containers and sets up a systemd service and timer to regularly execute this check.

Files

  • vars/main.yml: Variable definitions for the script's directory.
  • handlers/main.yml: Handlers to reload and restart the systemd service and timer.
  • files/health-docker-container.sh: The script that checks the container health.
  • tasks/main.yml: Tasks to create necessary directories, copy scripts, and create systemd service and timer.
  • templates/health-docker-container.cymais.service.j2: Systemd service template.
  • templates/health-docker-container.cymais.timer.j2: Systemd timer template.
  • meta/main.yml: Meta information declaring dependencies for the role.

Usage

To use this role, include it in your playbook and set the path_administrator_scripts variable to the desired path for the health check scripts.

Ensure that the systemd-notifier dependency is satisfied for error notifications.