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DESCRIPTION
When you're working with Docker images and containers, some challenges arise, like how to safely make changes to the code, update your base images with new configuration or software, quickly deploy complex setups of multiple Docker containers, and configure links between containers so they can easily interact with each other. Using CFEngine together with Docker helps you overcome those challenges by providing the following: - Full automation inside and outside Docker containers that is fast, secure, and scalable - Reducing deployment complexity of distributed systems through policy-driven orchestration - Ensuring consistency and compliance across Docker and non-Docker components - Single, unified solution to provision and manage systems across heterogeneous environments
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www.cfengine.com
CFEngine & Docker
• Complete visibility and alerting
• Compliance with self-healing
• OOTB inventory and reporting
• Repeatable and error-free
• Deploys to local or cloud infrastructure
• Delivers a standardized platform
2
• Agile, secure and scalable
• Policy based and convergent
• Simple, self-service consumption
Intelligent Infrastructure Automation
Policy-Based Application Deployment
Continuous Operations with
Self-Healing
Scale SpeedSecurity Stability
CFEngine is IT Automation at WebScale
Distributed, Lightweight Architecture
1. Define Desired State
HUB
3. Verify Actual State
CFEngine Hub
Design Center
MissionPortal
Policy Language
2. Ensure Desired State
CFE Agents
The Benefits of Managing Docker Environments with CFEngine
• Full automation inside and outside Docker containers – fast, secure, and scalable
• Reduce deployment complexity of distributed systems through policy-driven orchestration
• Ensure consistency and compliance across Docker and non-Docker components
• Single, unified solution to provision and manage systems across heterogeneous environments
Managing Docker Environments with CFEngine
Updating base images
Deploying complex apps
Creating and Linking Containers
Front-end
App Logic DB
Demo Scenario• Create custom Docker images on top of base
images• Provision & manage Docker containers and
images• Manage container connections and internal
configuration• Detect drift and self heal• Visualize inventory & create reports
Load balancer/front
end
Web server #1
Web server #2
DB server
Demo Scenario – Image Definitions
Use CFEngine to maintain image consistency across environments
Ensure hierarchy of images
Demo Scenario – Container Orchestration
Orchestrate services:- Deploy
containers- Make relevant
connections- Start services- Bring apps
online
Demo Scenario – Container Orchestration
The CFEngine policy uses the information made available by Docker through the container linking mechanism to correctly configure its services to talk to the other containers
Managed OSes
CFEngine Hub
DevTest
Prod
CFEngine Hub
Managed OSes
Managed OSes
Consistent Deployment Across Docker & non-Docker
Extensible Inventory Report
Customizable Filters and Report Columns
All Your System Types in One report
Graphical Representation of Reports
Self-Healing Infrastructure“docker ps” command
lists four active containers
Manually destroy one container
Second “docker ps” command lists only
three, after webserver2 was
destroyed
CFEngine Restores Desired State
A few minutes later all four containers are up again after CFEngine
resurrected webserver2
www.cfengine.com
CFEngine Enterprise is FREE for up to 25 hosts!Download and give it a try here.
Thank You!
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