Helsinki dockermeetup 12102017-orchestrate_docker_with_docker
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This document discusses container orchestration using Docker Swarm and compares different versions of Swarm. It provides an overview of key concepts in container orchestration like placement, replication, health monitoring, scheduling, and service management. It also discusses how Docker can be used to abstract different execution platforms and provides a hybrid platform example. The document concludes with a note about a demo video and contact information.
Helsinki dockermeetup 12102017-orchestrate_docker_with_docker
- 1. Orchestrate docker with a docker Helsinki Docker Meetup 12.10.2017 bit.ly/HelsinkiDocker
- 2. What ? Why ? E F I C O D E . C O M
- 3. Multiple containers ON multiple hosts E F I C O D E . C O M Container Orchestration / Management Host Orchestration / Management Services Your application dockerized stacks Computing resources Virtual- and/or physical- servers Orchestration Frameworks
- 4. Offer high-availability, controlled and monitored computing resources cluster to containers HOST ORCHESTRATION E F I C O D E . C O M
- 5. Containers Orchestration Placement Replication/Scaling Resurrection/Health monitoring Rescheduling Rolling Deployment Upgrades Downgrades Collocation (grouping) SCHEDULING Memory CPU GPU Volumes Ports IPs Images/Artifacts RESOURCE MANAGEMENT Labels Groups/Namespaces Dependencies Load Balancing Readiness Checking SERVICE MANAGEMENT E F I C O D E . C O M
- 6. The Evolution of Docker SWARM The Hassle with SWARMS ?! E F I C O D E . C O M
- 7. Swarm SwarmKit Swarm-Mode Features Clustering, just container clustering platform. Cluster management and orchestration features Cluster management and orchestration features Packaging / Shipping Separate from Docker Engine and can run as Container within Docker Engine. Plumbing open source project, needs to be built and run separately SwarmKit Tightly integrated with Docker Engine 1.12-> External dependency Needs external key-value store like Consul or etcd. Orchestration requires Docker Compose or a 3rd party orchestration tool None None Support Legacy Just a library Official solution Security Unsecured by default Secure by default Secure by default UI Uses regular Docker CLI. Integrated with machine, compose and other 3rd party tools Use swarmctl CLI Use regular Docker CLI. YML based stacks support 1.13-> (immature). Integrated to Docker machine. E F I C O D E . C O M How to Jam
- 8. How ? E F I C O D E . C O M
- 9. Abstract Execution Platform Layer E F I C O D E . C O M ● Docker is one way to abstract execution platform resources ● Docker Engine Cluster hides provider’s computing resources ● Overlay network hides provider networks ● Orchestration re-scheduling makes managing execution platform possible on-the-fly when executed SW is implemented wisely ○ Adding and removing individual nodes safely Azure VMs AWS VMs Private VMs DigitalOC VMs Docker Engine Cluster OverlayNetwork Docker Engine Cluster OverlayNetwork
- 10. Hybrid Platform E F I C O D E . C O M Azure VMs AWS VMs DigitalOC VMs Computing Resources Docker engines and storage Cluster Execution platform Private VMs Translation modules Private Azure AWS DigitalOC General resources definition file - Define computing resources - Storage - Networks needed to overlay network connections
- 11. Let’s sail together. Demo time!https://youtu.be/VHKMITI9ozk E F I C O D E . C O M / W O R K
- 12. THANK YOU E F I C O D E . C O M Sakari Hoisko Senior Devops Consultant sakari.hoisko@eficode.com https://dla.fi/hoisko/