deploying containers with rancher
TRANSCRIPT
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Deploying Containers with Rancher ChrisTankersley@dragonmantankDayCamp4Developers,OpsforDevs
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What Is Rancher?
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Rancher and RancherOS
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Why Use Rancher?
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Manages your Containers
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Manages your Hosts
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Allows you to monitor containers
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Allows you to manage your applications
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Allows you to deploy your applications
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Allows you to deploy your applications
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Supports Docker Compose
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Installation
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Install Docker on a machine
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Using Docker Machine
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Our Setup
• 3Machines• 1RancherServer• 2RancherNodes
• AllrunningRancherOS• Docker1.11
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docker-machine Command docker-machinecreate-dvirtualbox\--virtualbox-boot2docker-urlhttp://releases.rancher.com/os/latest/rancheros.iso\
--virtualbox-memory“2048”\[nodename]
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hMp://docs.rancher.com/os/running-rancheros/workstaQon/docker-machine/
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Machines Build
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Add rancher/server to the master
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dockerrun-d\--restart=always\-p8080:8080\–name=rancher\rancher/server
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Add rancher/agent to nodes
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dockerrun-d\--privileged\-v/var/run/docker.sock:/var/run/docker.sock\rancher/agent:v0.7.9\http://192.168.99.100:8080/v1/scripts/[hash]
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All Done!
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Manual Container Deployments
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Add Container to Node
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Fill out Container Info
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Wait for it to become active
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Wait for it to become active
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See it running
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Visit the Container
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Metrics
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Viewing Container Metrics
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Viewing Host Metrics
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Stacks
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What are Stacks?
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Adding a Service
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Adding a Service
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Adding a Service
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Adding a Service
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Adding a Service
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Rancher Auto-Deploys
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Add an Apache/PHP Service
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Let it deploy
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Visit the web server
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Check Deployments in Infrastructure
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Custom Repositories
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Adding Private/Custom Registry
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Type in Auth Info
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All the nodes can use it!
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Deploying Upgrades
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Deployment Types
• Blue-GreenDeployments• RollingDeployments
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Blue-Green Deployments
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Router
Appv1 Appv2
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Blue-Green Deployments
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Router
Appv3 Appv2
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Blue-Green Deployments
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Router
Appv3 Appv2
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Rolling Deployments
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Appv1
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Rolling Deployments
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Appv2
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Rolling Deployments
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Appv2
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New Container for Web Server
#DockerfileFROMphp:apacheCOPYindex.php/var/www/html
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Push to Docker Hub
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Upgrade Webserver Container
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Upgrade Webserver Container
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Rancher Upgrades it
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Rancher lets us know it’s done
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Check Container once Upgraded
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Rollback or Finish
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Do it again
• EditMyCode• BuildMyImage• PushtoDockerHub• UpgradetheService
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Rancher CLI
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What is it?
• RancherhasanAPI!• SmallexecutablethatinteractswithRancherAPI• Kindoflikeacustomdocker-compose
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Get an API Key
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Get an API Key
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Download Rancher CLI
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Export Stack Config
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Two Config Files
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docker-compose.yml
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Deploy Script
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ACCESS_KEY="C4F407CE1D8C59EB53BE"
SECRET="daNENHR241Jzm5Z9iw6VsujD9hWfjHWrDzkKmKiA"
RANCHER_URL="http://192.168.99.100:8080"
./rancher-compose--secret-key=${SECRET}--access-key=${ACCESS_KEY}--url=${RANCHER_URL}--file=docker-compose.yml--rancher-file=rancher-compose.yml-pphptestup--upgrade-d
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Edit and Deploy
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Edit and Deploy
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Finish Upgrade
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Storage Pools
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What do they do?
• Convoy• Pluginsthatallowdistributedvolumes
• GlusterFS,NFS
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Networking
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Key Features
• Deploymentskeeplinksintact• Networkscanspanhosts
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Thanks!
- DockerforDevelopers- LearningContainers.com- hMp://ctankersley.com- @dragonmantank- [email protected]
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RatethistalkonJoind.inhMps://joind.in/talk/ce080