docker and devops --- new it culture
TRANSCRIPT
New IT culture: Docker & DevOpsDocker和 Devops所帶來的新 IT文化
Terry Chen 陳彥村
Engineer @ QNAP
Google Trends
Docker Container DevOps
Google Trends
Docker Container DevOps
Who am I?
https://tw.linkedin.com/in/seterrychen
https://github.com/seterrychen
https://twitter.com/seterrychen
● Backend Engineer : Java, Python, Linux
● QNAP Container Station/Linux Station
● TrueTel Telecom Value-added services
QNAP( 威聯通 ) NAS
From:http://www.slideshare.net/QNAP_Inc/general-tech-trainingstorageabcqnap20140302compressed-copy
Network
QNAP( 威聯通 ) NAS
QNAP App Center
● Customize your QNAP NAS with Apps
What is Container?
● Operating-system-level virtualization
Hardware
Operating system
Container Container Container
What is Container?
Hardware
Linux
Container Container Container
Cgroups
Namespaces
● Operating-system-level virtualization
What is Container?
● Operating-system-level virtualization● Cgroups
Initial release : 2007 kernel version : 2.6.24
● NamespacesInitial release : 2002kernel version : 2.4.19
What is Container?● Operating-system-level virtualization
Hardware
Linux
Container Container Container
Docker/LXD
Docker
● Docker allows you to package an applicationwith all of its dependencies into a standardizedunit for software development.
OthersApp
image
immutable
Container-1
Imageread only
Container-2
Container-3
Images center - Docker Hub
Docker ecosystem
From:http://www.slideshare.net/GoAtlassian/getting-started-with-docker-nick-stinemates
Docker ecosystem
From:http://wikibon.com/docker-is-the-least-interesting-part-of-docker/
Container OS
Infrastructure
Hypervisor
Docker
OS
Docker
OS
Docker
OS
Docker
OS
Docker & Unikernel
From:https://blog.docker.com/2016/01/unikernel/
Unikernel
From:http://www.slideshare.net/Proto204/prsentation-dunikernel
Unikernel
Hardware
OS kernel
Runtime & Libraries
Application binary
Application configuration
Hardware
Unikernel App
Hypervisor Hypervisor
Dev VS Ops
From:http://dev2ops.org/2010/02/what-is-devops/
Dev VS Ops
From:https://dzone.com/articles/role-developers-devops-culture
DevOps
From : 10+ Deploys Per Day: Dev and Ops Cooperation at Flickrhttp://www.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr
DevOps
From : 10+ Deploys Per Day: Dev and Ops Cooperation at Flickrhttp://www.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr
Create Dev/Prod Environment
From:http://qtmoko.org/2015/12/26/everything-you-need-to-know-about-bare-metal-servers/
Docs: about how tosetup the environment
How to recreate the environment?
Docs: about how tosetup the environment
From:http://www.tayloreason.com/corkscrew/archives/finding-your-perfect-match-online-wine-clubs-retailers-and-winery-websites/attachment/typing-on-computer/
From:https://commons.wikimedia.org/wiki/File:Gorilla-server.svg
How to recreate the environment?In DevOps
● Configuration management: describe infrastructureas code
From:https://www.getfilecloud.com/blog/2014/08/top-8-configuration-management-tools-for-sys-admins/#.VzM7bqNcSko
How to recreate the environment?In DevOps
● Configuration management: describe infrastructureas code
- hosts: dev_host
tasks: - name: Install packages which are absent apt: name={{ item }} state=present update_cache=yes with_items: - vim - curl - git - docker-engine become: yes
How to recreate the environment?In DevOps
● Configuration management: describe infrastructureas code
- hosts: dev_host
tasks: - name: Install packages which are absent apt: name={{ item }} state=present update_cache=yes with_items: - vim - curl - git - docker-engine become: yes
How to recreate the environment?In DevOps with Docker
● Just install Docker and pull image to create theenvironment
- hosts: dev_host
tasks: - name: Install packages which are absent apt: name=docker-engine state=present update_cache=yes become: yes
- name: Pull Docker image docker: name: myapplication image: someuser/appimage state: reloaded pull: always
How to upgrade/patch the environment?
Openssl Heartbleed
How to upgrade/patch the environment?
ssh
How to upgrade/patch the environment?In DevOps
$ ansible -i hosts all -u root -m apt -a \“name=openssl state=latest update_cache=yes”
How to upgrade/patch the environment?In DevOps with Docker
● Using new image to create the new environment
image
Container
New image
Container
Continuous Integration(CI)
Developers
Commit & push Version control systems
CI tools
Trigger
Checkout
Compile
Test
Archive
Continuous Integration(CI)
Developers
Commit & push Version control systems
CI tools
Trigger
Checkout
Compile
Test
Archive
Continuous Integration(CI)
Continuous Integration(CI)Compile with Docker
C++ toolchainContainer
Python 2.7Package & Lib
Container
Python 3.5Package & Lib
Container
Go 1.5.4Go dependency
Container
Go 1.6.2Go dependency
Container
Ruby 2.3.1Ruby GemContainer
Continuous Integration(CI)Testing with Docker
From:http://www.seleniumhq.org/projects/remote-control/
IM Robot
Container Station Environment
- hosts: dev_host
tasks: - name: Install packages which are absent apt: name={{ item }} state=present update_cache=yes with_items: - vim - curl - git - docker-engine become: yes
Infrastructure changeGitLab
Commit & push
Jenkins
Polling
Build
Output
Vagrant box
Container Station Environment
Developers
$ vagrant init url/container-station$ vagrant up$ vagrant ssh
DevOps Cycle
From:http://www.slideshare.net/warfan/devops-53161280
Conclusion
Conclusion
