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Rancher 從入門到入坑

Miles @ Docker 線上讀書會 2016/11/9

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CURRENT

Senior Developer @ 104 Corp.

Volunteer @ DevOps Taiwan

​

TAG

PHP, Docker, DevOps

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Outline

  • Introduction
  • How it works
  • Components
  • Live Demo
  • Conclusion

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Introduction

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Host

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Host

Node

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Host

Node

PHP

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Host

Node

PHP

Database

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Host

Node

PHP

Database

Client

15%

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Host

Node

PHP

Database

Client

99%

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Host 1

Node

Client

99%

Host 2

PHP

Database

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Host 1

Node

Client

Host 2

PHP

Database

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Host 1

Node

Client

Host 2

PHP

Database

15%

75%

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Host 1

Node

Client

Host 2

PHP

Database

PHP

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抽象化

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Node

Database

PHP

PHP

PHP

LB

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Node

Database

PHP

PHP

PHP

LB

LB

Node

Node

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Node

Database

PHP

PHP

PHP

LB

LB

Node

Node

Cluster

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Container Orchestration

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Cross Host

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Features

  • Container Networking by Docker Link
  • Dockerized Service
  • Manage via Web UI / API / CLI
  • Scheduling
  • Manage Kubernetes / Swarm / Mesos

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How it works

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Rancher Server

HTTP

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Host 1

Rancher Server

HTTP

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Host 1

Host 2

Host 3

Rancher Server

HTTP

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Host 1

Host 2

Host 3

Rancher Server

HTTP

Agent

Agent

Agent

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Host 1

Host 2

Host 3

Rancher Server

HTTP

Agent

Agent

Agent

IPsec UDP: 500/4500

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Host 1

Host 2

Host 3

Rancher Server

HTTP

Agent

Node

PHP

Agent

LB

Redis

Agent

PHP

Database

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Host 1

Host 2

Host 3

Rancher Server

HTTP

Agent

Node

PHP

Agent

LB

Redis

Agent

PHP

Database

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Components

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Components

  • Stack
  • Service
  • Host
  • Container

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Infrastructure

Application

Stack

Service

Container

Host

1

​

N

N

​

N

1 N

Client

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Infrastructure

Application

Stack

Service

Container

Host

1

​

N

N

​

N

1 N

Client

Namespace

Class

Memory

Instance

CPU

Abstract

Implement

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Live Demo

GitHub Workshop Repo

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Build

​

Define

​

Manage

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Environment

  • Create Machines
  • Install Docker
  • Rancher Server
  • Rancher Host

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Host 1

Host 2

Host 3

Rancher Server

HTTP

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Service

  • Create Stack
  • Create Service
  • Create Load Balancer

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Node

Database

PHP

PHP

PHP

LB

LB

Node

Node

Cluster

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Management

  • Access Control
  • API Key

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Conclusion

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優點很多，但怎麼開始

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直接導入

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直接導入

  • 霸王硬上弓
  • 長痛不如短痛
  • 先上測試環境

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慢慢導入

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慢慢導入

  • 懷柔政策
  • Docker
  • 個人測試空間

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Q & A

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http://devops.kktix.cc/events/meetup3-cm-tools-96091c

講者們

決鬥吧

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jangconan@gmail.com�MilesChou

Thanks