Getting Started with Docker Datacenter

UNDERSTANDING DOCKER DATACENTER

About Me

DevOps@RajeshKumar.XYZ

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Cass

Containers as a Service

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Getting Started with Docker

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Tour of Universal Control Plane

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Tour of Docker Trusted Registry

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Docker Datacenter Install

  • Part 1

  • Docker CS Engine

  • Universal Control Plane

Docker Datacenter Install

  • Part 2

  • Docker Trusted Registry


	curl -slf http://pacakages.docker.com/1.12/install .sh | sh

Install Docker CS Engine

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	docker run --rm -it --name ucp\
	-v /var/run/docker.sock:/var/run/docker .sock \
	docker/ucp:2.0 install \
	--san my-up.azure.com

Install Universal Control Plane


	docker swarm join \
	--token SWMTKN-1-412tc3cz88h0tgsmtpsh6q256...\
	10.0.0.4:2377

Add Nodes to DDC


	docker run -it --rm docker/dtr install \
		--dtr-external-url http://my-dtr.azure.com \
		--ucp-node ddc -dtr1 \
		--ucp-insecure-tls \
		--ucp-url http://my-ucp.azure.com \
		--ucp-username admin

Install Docker Trusted Registry


		curl -k http://my-dtr.azure.com/ca/ \
		-ol /usr/local/share/certificate/my-dtr.azure.com.crt
		sudo update-certificates
		sudo service docker restart

Allow Self-Signed SSL Certificate

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Managing Images with Docker Trusted Registry

  • Pushing and pulling images

  • Rinning DTR images in UCP

  • Signing images with Content Trust

Managing Images with Docker Trusted Registry

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	latest: Pulling from library/ubuntu
	af49a5ceb2a5: Pull complete
	8f9757b472e7: Pull complete
	e931b117db38: Pull complete
	Digest: sha256:3b64c309deae7ab0f7dbdd42b6b326261ccd6261d...

Image Layers

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Productionizing DTR

  • Configuring shared storage

  • Adding replica nodes

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	dockerrun -it --rmdocker/dtrjoin \
	--ucp-urlhttps://my-ucp.azure.com \
	--ucp-node ddc-dtr-2 \
	--existing-replica-id 395560f691f8 \
	--ucp-username ddcadmin\
	--ucp-ca "$(cat ucp-ca.pem)"

Add DTR Replica Node


	dockerrun -it --rmdocker/dtrbackup \
	--ucp-urlhttps://my-ucp.azure.com \
	--existing-replica-id 395560f691f8 \
	--ucp-username ddcadmin\
	--ucp-ca "$(cat ucp-ca.pem)" > backup.tar

Backup DTR Database


	dockerrun -it --rmdocker/dtrrestore \
	--dtr-external-urlhttps://my-dtr.azure.com \
	--ucp-node ddc-dtr3 \
	--ucp-insecure-tls\
	--ucp-urlhttps://my-ucp.azure.com \
	--ucp-username admin < backup.tar

Restore DTR Database

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Using Docker Trusted Registry

  • Pushing and pulling images

  • Running UCP services from DTR images

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	> dockerbuild -t my-ucp.azure.com/elton/docker-demo .

Building an Image for DTR


	> dockerlogin my-ucp.azure.com
	Username: elton
	Password:
	Login Succeeded
	> dockerpush my-ucp.azure.com/elton/docker-demo

Pushing Images to User Repositories

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Using Organizations in DTR

  • Creating organizations and repositories

  • Managing teams and users

  • Configuring team repository access

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Docker Content Trust

Configuring a DTR repository in Notary

Docker Content Trust

  • Signing Docker images

  • Requiring trusted images in UCP

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Administering Docker with Universal Control Plane

  • Running and scaling services

  • Running distributed applications

  • Managing node maintenance

Administering Docker with Universal Control Plane

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Productionizing UCP

  • Adding controller nodes

  • Configuring Universal Control Plane


	dockerswarm join \
	--token SWMTKN-1-4l2tc3cz88h0tefygewytufgv6q256... \
	10.0.0.4:2377

Add UCP Controller Node

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Running Services in UCP

  • Creating a service from a DTR image

  • Scaling up the service

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Running Applications in UCP

  • Deploying from Docker Compose

  • Managing application containers

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Scale and Resilience in UCP

  • Adding worker nodes

  • Scaling services

  • Removing worker nodes

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Questions

Thank You