Docker Networking & Swarm Mode Introduction

Docker Networking & Swarm Mode Introduction

• 1.
  Introduction to DockerNetworking & Docker Swarm Mode Phi Huynh
• 2.
  A bit history
• 3.
   Docker Networking Docker Swarm Mode (Docker v1.12)  Demo  Q&A Agenda
• 4.
   Pre-defined Networks Bridge (default) - Containers in local Docker0 bridge  Null - Containers has no network interface  Host - Containers use host’s network interface  Multi-Host Network (Docker v1.9)  Overlay network Docker Networking
• 5.
  Bridge Network Host Machine vnet-1 10.10.0.0/16 container4 container 5 container 1 container 2 container 3
• 6.
  Bridge Network (Continued) HostMachine frontend-net 10.11.0.0/16 container 2 container 4 container 1 container 3 container 5 backend-net 10.12.0.0/16 container 6
• 7.
  Multi-host Networking -Overlay Network (from Docker 1.9) Host Machine 1 vnet-1 10.0.0.0/24 container 2 container 4 container 1 container 3 container 5 container 6 Host Machine 2 Reference source
• 8.
  Overlay Network (Continued)
• 9.
  Docker Networking Demo DockerNetworking
• 10.
  Docker Swarm Introduction WithoutSwarm
• 11.
  Docker Swarm Introduction DockerSwarm
• 12.
  Docker Swarm Introduction DockerSwarm  Virtualize many Docker Engines as one unified Engine  Use the same Standard Docker API  High-Availability  Resource Management  Advance Scheduling  Multiple discovery back-ends…  TLS  ...
• 13.
  Docker Swarm ModeIntroduction (Docker v1.12) Images source: http://blog.nigelpoulton.com/docker-launches-kubernetes-killer/
• 14.
   Swarm ModeManager  Swarm Mode Worker  Scaling, desired state  Service Discovery  Load Balancing  Blue-print Deployment  Certificate Authority  TLS  … Swarm Mode Features
• 15.
  Self-Healing Manager aspnet aspnet aspnet aspnet aspnetaspnet aspnet aspnet aspnet aspnet aspnet aspnet Service name: aspnet Scale to 10 instances If 2 instances were off => Create another 2 new instances node-1 node-2 node-3 node-0
• 16.
  Manager aspnet aspnet aspnet aspnet aspnetaspnet aspnet aspnet Self-Organizing aspnet node-1 node-2 node-3 node-0
• 17.
  Blue-print Deployment Manager aspnet aspnet aspnetaspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet $ docker service update --update-delay 10s --update-parallelism 2 --image trumhemcut/aspnetcore:2.0 aspnet node-1 node-2 node-3 Waiting for 10s… node-0
• 18.
  Load Balancer inSwarm Mode (Routing Mesh) Manager :5000 :5000 :5000 :5000 aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet node-1 node-2 node-3
• 19.
  Load Balancer inSwarm Mode (Routing Mesh) Manager :5000 :5000 :5000 :5000 aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet node-1 node-2 node-3
• 20.
  Load Balancer inSwarm Mode (Routing Mesh) No more manual setup steps  Load Balancer  Service Discovery  Registrator  Consul Template Manager :5000 :5000 :5000 :5000 aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet aspnet node-1 node-2 node-3
• 22.
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