Rancher - 傻瓜也會用的容器集群管理

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傻瓜也會用的容器集群管理Sammy @ Container Summit 2016 (2016/9/21)

HELLOI am Sammy Linsammylin tw@SammyLinTwsammylintw@gmail.com

CURRENTDevOps Engineer @ commandp Inc.Organizer @ DevOps TaiwanEXPERIENCESpeaker @ 2016 DevOps SummitPanelist @ 2016 AWS Cloud Kata TaipeiProfessional Specialist Faculty @ PCCUTAGsDevOps, Jenkins, AWS, Ruby, HTML, Chef, Vim,Infrasture

Why Container?

Why Container?Immutable

Why Container?Isolation

Why Container?Lightweight

docker run -v /some/content:/usr/share/nginx/html:ro -p 8080:80 -d nginx

noitcudoI n PrSource: https://flipboard.com/topic/container

How to manage multiple docker containers?

Amazon EC2 Container Service (ECS)

Amazon EC2 Container Service (ECS) Amazon EC2 Container Registry (ECR)

()

()

()

ECS are not available in China

Open Source

Visualization

Access Control

Audit Logs

Support Kubernetes & Mesos & Swarm

Rancher LabsContainer Summit 2015

Installation

Installing Rancher Server(Single Node) sudo docker run -d --restart unless-stopped -p 8080:8080 rancher/server

Installing Rancher Server(Single Node) sudo docker run -d --restart unless-stopped -p 8080:8080 rancher/serverBIND MOUNT MYSQL VOLUME sudo docker run -d -v (pwd)/mysql:/var/lib/mysql \--restart unless-stopped \-p 8080:8080 \rancher/server

Installing Rancher Server(Single Node) sudo docker run -d --restart unless-stopped -p 8080:8080 rancher/serverBIND MOUNT MYSQL VOLUME sudo docker run -d -v (pwd)/mysql:/var/lib/mysql \--restart unless-stopped \-p 8080:8080 \rancher/serverUSING AN EXTERNAL DATABASE sudo docker run -d --restart unless-stopped -p 8080:8080 \-e CATTLE DB CATTLE MYSQL HOST hostname or IP of MySQL instance \-e CATTLE DB CATTLE MYSQL PORT port \-e CATTLE DB CATTLE MYSQL NAME Name of Database \-e CATTLE DB CATTLE USERNAME Username \-e CATTLE DB CATTLE PASSWORD Password \rancher/server

Installing Rancher Server(Single Node) sudo docker run -d --restart unless-stopped -p 8080:8080 rancher/serverBIND MOUNT MYSQL VOLUME sudo docker run -d -v (PWD)/mysql:/var/lib/mysql \--restart unless-stopped \-p 8080:8080 \rancher/serverUSING AN EXTERNAL DATABASE sudo docker run -d --restart unless-stopped -p 8080:8080 \-e CATTLE DB CATTLE MYSQL HOST hostname or IP of MySQL instance \-e CATTLE DB CATTLE MYSQL PORT port \-e CATTLE DB CATTLE MYSQL NAME Name of Database \-e CATTLE DB CATTLE USERNAME Username \-e CATTLE DB CATTLE PASSWORD Password \rancher/server

Installing Rancher Server(Multi Nodes)1 Node: Not really HA3 Nodes: Any one host can fail5 Nodes: Any two hosts can fail

Rancher ServerRancherHostRancherHostRancher Agent(Docker)Rancher Agent(Docker)RancherHostRancher Agent(Docker)

Add Hosts

Add Hosts Amazon ]

Add Hosts(Custom Hosts)

Add Hosts(Custom Hosts)

Add Hosts(Custom Hosts) sudo docker run \-d \--privileged \-v /var/run/docker.sock:/var/run/docker.sock rancher/agent:v1.0.2 \http:// rancher-server-ip :8080/v1/scripts/ registrationToken

Rancher ServerRancher Agent(Docker)Rancher Agent(Docker)STACK 1STACK 2STACK [n]Rancher Agent(Docker)

StackRancher LoadBalancerAPPRedisAPPNetwork AgentNetwork AgentThrough IPsec (UDP 500 & 4500)Network Agent

Catalog

Rancher API KeysManipulate to specific Environment (Environment API keys)Manipulate to All Environment (Accout API keys)

Rancher API Keys

Rancher Compose ToolThe Rancher Compose tool is a multi-host version of DockerCompose.

Rancher Compose ToolInstillation through Web UI

Rancher Compose ToolInstillation through Github

Rancher Compose ToolSetting up export RANCHER URL http:// server ip :8080/v1 export RANCHER ACCESS KEY accessKey of account api key export RANCHER SECRET KEY secretKey of account api key Install (ubuntu) wget .6.tar.gz tar zxvf rancher-compose-linux-amd64-v0.8.6.tar.gz cd rancher-compose-v0.8.6 ./rancher-compose

DEMO

CI/CD FlowGithub changeJenkins TriggerDocker build&pushDeploy Rancher

CI/CD Flow (commandp)Docker RegistryAWS S3Docker PullProxy ServerDocker ancher (China)

DockerfileWebsiteNginx

CI/CD Task Definition File(ECS)Donʼt use only the “latest” tag

CI/CD Script (ECS)

CI/CD Docker-compose.yml (Rancher)

CI/CD Script (Rancher)Rancher-compose doc: cher-compose/commands/

ReferenceRancher Official Website: http://rancher.com/Rancher Tutorials: http://rancher.com/learn/GO Simple Tunnel(Gost): https://github.com/ginuerzh/gostGost (Docker): https://github.com/pahud/gost-docker

DevOps Taiwanhttps://www.facebook.com/groups/DevOpsTaiwan

Thankssammylin tw@SammyLinTwsammylintw@gmail.com

DevOps Engineer @ commandp Inc. Organizer @ DevOps Taiwan EXPERIENCE Speaker @ 2016 DevOps Summit Panelist @ 2016 AWS Cloud Kata Taipei Professional Specialist Faculty @ PCCU TAGs DevOps, Jenkins, AWS, Ruby, HTML, Chef, Vim, Infrasture

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