Docker from basics to orchestration (PHPConfBr2015)

Talk given at PHP conference Brasil 2015 about Docker

Transcript

1. Docker
   From basics to orchestration
   

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2. Credits
   Special thanks to all the people who made and released
   these awesome resources for free:
   ◎ Presentation template by SlidesCarnival
   ◎ Photographs by Unsplash & Death to the Stock Photo
   (license)
   ◎ Dark wood background by The pattern library
   

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3. About Me
   

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4. Overview
   

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5. Overview
   ◎ Environment Issues
   ◎ Virtualization
   ◎ LXC
   ◎ Docker
   ○ features
   ○ demo
   ◎ Machine
   ◎ Orchestration
   ○ tools
   ○ demo
   ◎ Swarm
   ○ demo
   ◎ Q&A
   

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6. Environment Issues
   

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7. Environment Issues
   ◎ substr vs mb_substr functions
   

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8. Environment Issues
   ◎ substr vs mb_substr functions
   ◎ short open tags: =
   

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9. Environment Issues
   ◎ substr vs mb_substr functions
   ◎ short open tags: =
   ◎ syntax changes between versions: array(); e [];
   

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10. Environment Issues
    ◎ substr vs mb_substr functions
    ◎ short open tags: =
    ◎ syntax changes between versions: array(); e [];
    ◎ extensions that we forget to install in
    production: php-memcached, redis, amqp,
    etc.
    

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11. Environment Issues
    ◎ substr vs mb_substr functions
    ◎ short open tags: =
    ◎ syntax changes between versions: array(); e [];
    ◎ extensions that we forget to install in
    production: php-memcached, redis, amqp,
    etc.
    ◎ different upload file settings in different
    servers
    

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14. Virtualization
    

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15. ◎ 1960 - inspired by cpu time sharing
    Virtualization - History
    

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16. ◎ 1960 - inspired by cpu time sharing
    ◎ IBM 370 - First instructions to support
    software virtualization, CP/CMS allow running
    more than one instance simultaneously
    Virtualization - History
    

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17. ◎ 1960 - inspired by cpu time sharing
    ◎ IBM 370 - First instructions to support
    software virtualization, CP/CMS allow running
    more than one instance simultaneously
    ◎ IBM z/VM - First success case, all hardware
    were virtualized
    Virtualization - History
    

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18. ◎ 1960 - inspired by cpu time sharing
    ◎ IBM 370 - First instructions to support
    software virtualization, CP/CMS allow running
    more than one instance simultaneously
    ◎ IBM z/VM - First success case, all hardware
    were virtualized
    ◎ until nineties only client/server applications
    Virtualization - History
    

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19. ◎ 1960 - inspired by cpu time sharing
    ◎ IBM 370 - First instructions to support
    software virtualization, CP/CMS allow running
    more than one instance simultaneously
    ◎ IBM z/VM - First success case, all hardware
    were virtualized
    ◎ until nineties only client/server applications
    ◎ 2000+ - CPUs with virtualization support,
    hypervisors: VMWare, Xen, KVM, VirtualBox,
    etc
    Virtualization - History
    

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20. Virtualization - Hypervisors
    

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21. Virtualization - Stack
    

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22. ◎ Standard
    environment
    Virtualization - Pros & Cons
    

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23. ◎ Standard
    environment
    ◎ Improve resources
    utilization
    Virtualization - Pros & Cons
    

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24. ◎ Standard
    environment
    ◎ Improve resources
    utilization
    ◎ Easy data recovery
    Virtualization - Pros & Cons
    

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25. ◎ Standard
    environment
    ◎ Improve resources
    utilization
    ◎ Easy data recovery
    ◎ If host fails all VMs
    crashes together
    Virtualization - Pros & Cons
    

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26. ◎ Standard
    environment
    ◎ Improve resources
    utilization
    ◎ Easy data recovery
    Virtualization - Pros & Cons
    ◎ If host fails all VMs
    crashes together
    ◎ Troubleshooting
    more difficult
    

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27. ◎ Standard
    environment
    ◎ Improve resources
    utilization
    ◎ Easy data recovery
    Virtualization - Pros & Cons
    ◎ If host fails all VMs
    crashes together
    ◎ Troubleshooting
    more difficult
    ◎ Increase overhead
    

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28. LXC - Linux Containers
    

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29. LXC - Linux Containers
    ◎ Exists since Jul/2008 - Kernel 2.6.26+
    

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30. LXC - Linux Containers
    ◎ Exists since Jul/2008 - Kernel 2.6.26+
    ◎ Process isolation
    

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31. LXC - Linux Containers
    ◎ Exists since Jul/2008 - Kernel 2.6.26+
    ◎ Process isolation
    ◎ Network isolation
    

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32. LXC - Linux Containers
    ◎ Exists since Jul/2008 - Kernel 2.6.26+
    ◎ Process isolation
    ◎ Network isolation
    ◎ Memory limitation
    

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33. LXC - Linux Containers
    ◎ Exists since Jul/2008 - Kernel 2.6.26+
    ◎ Process isolation
    ◎ Network isolation
    ◎ Memory limitation
    ◎ File system isolation
    

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34. LXC - Pros & Cons
    ◎ Good resources
    isolation
    

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35. LXC - Pros & Cons
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    

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36. LXC - Pros & Cons
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    

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37. LXC - Pros & Cons
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    ◎ Starts much more
    faster than VMs
    

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38. LXC - Pros & Cons
    ◎ Volume share are
    difficult to do
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    ◎ Starts much more
    faster than VMs
    

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39. LXC - Pros & Cons
    ◎ Volume share are
    difficult to do
    ◎ Architecture failure
    may lead to chroot
    attack
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    ◎ Starts much more
    faster than VMs
    

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40. LXC - Pros & Cons
    ◎ Volume share are
    difficult to do
    ◎ Architecture failure
    may lead to chroot
    attack
    ◎ IO overhead
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    ◎ Starts much more
    faster than VMs
    

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41. LXC - Pros & Cons
    ◎ Volume share are
    difficult to do
    ◎ Architecture failure
    may lead to chroot
    attack
    ◎ IO overhead
    ◎ Run on Linux hosts
    only
    ◎ Good resources
    isolation
    ◎ Run as a process, a
    single PID is created
    ◎ Reuse host
    resources (libs,
    kernel)
    ◎ Starts much more
    faster than VMs
    

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42. DOCKER
    

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43. Docker
    

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44. Docker
    Doki =>
    

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48. ◎ Portable
    Docker - Features
    

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49. ◎ Portable
    ◎ Versionable
    Docker - Features
    

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50. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    Docker - Features
    

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51. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    ◎ Copy-on-write
    Docker - Features
    

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52. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    ◎ Copy-on-write
    ◎ Logging
    Docker - Features
    

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53. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    ◎ Copy-on-write
    ◎ Logging
    ◎ Image change management
    Docker - Features
    

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54. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    ◎ Copy-on-write
    ◎ Logging
    ◎ Image change management
    ◎ Automatic build
    Docker - Features
    

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55. ◎ Portable
    ◎ Versionable
    ◎ Reusable
    ◎ Copy-on-write
    ◎ Logging
    ◎ Image change management
    ◎ Automatic build
    ◎ Easy to share
    Docker - Features
    

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56. Docker - Features
    ◎ Private and public registry
    

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57. Docker - Features
    ◎ Private and public registry
    ◎ Server-client architecture
    

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58. Docker - Features
    ◎ Private and public registry
    ◎ Server-client architecture
    ◎ Client consume engine API
    

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59. Docker - Features
    ◎ Private and public registry
    ◎ Server-client architecture
    ◎ Client consume engine API
    ◎ Orchestration tools (compose, swarm,volume
    networks)
    

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60. Docker - Features
    ◎ Private and public registry
    ◎ Server-client architecture
    ◎ Client consume engine API
    ◎ Orchestration tools (compose, swarm,volume
    networks)
    ◎ Always innovating
    

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61. Docker - VM Comparison
    

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62. Docker - Quick Tips
    ◎ It is a container not a VM
    

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63. Docker - Quick Tips
    ◎ It is a container not a VM
    ◎ Container images are like VM boxes
    

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64. Docker - Quick Tips
    ◎ It is a container not a VM
    ◎ Container images are like VM boxes
    ◎ Images are state, container runs it
    

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65. Docker - Install
    ◎ Follow instructions for your OS in http://docs.
    docker.com/installation
    

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66. Docker - Install
    ◎ Follow instructions for your OS in http://docs.
    docker.com/installation
    ◎ Several distros supported
    

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67. Docker - Install
    ◎ Follow instructions for your OS in http://docs.
    docker.com/installation
    ◎ Several distros supported
    ◎ Mac OS X and Windows needs a VM to act
    like a Docker host - Boot2docker
    

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68. Docker - Install
    ◎ Follow instructions for your OS in http://docs.
    docker.com/installation
    ◎ Several distros supported
    ◎ Mac OS X and Windows needs a VM to act
    like a Docker host - Boot2docker
    ◎ There is roadmap to run Linux container on
    FreeBSD host
    

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69. Docker - Install
    ◎ Follow instructions for your OS in http://docs.
    docker.com/installation
    ◎ Several distros supported
    ◎ Mac OS X and Windows needs a VM to act
    like a Docker host - Boot2docker
    ◎ There is roadmap to run Linux container on
    FreeBSD host
    ◎ Windows containers running on Windows
    hosts will be available on Windows Server
    2016
    

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70. Docker - Beggining
    ◎ run
    ◎ pull
    ◎ commit
    ◎ push
    ◎ exec
    ◎ ps
    ◎ images
    ◎ inspect
    ◎ rm
    ◎ rmi
    

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71. “
    Talk is cheap, show me the code.
    Linus Torvalds
    “
    

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72. pull
    commit
    push
    Docker - Images
    Dockerfile
    

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73. Docker - Improving
    ◎ Volume
    ○ list, create, inspect
    ◎ Port expose and port mapping
    ◎ Links between containers
    ◎ Network
    ○ list, create,inspect, connect
    

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74. Second Demo
    

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75. Docker - Machine
    ◎ Creates virtual machines ready to run
    docker locally or on the cloud.
    ◎ drivers available:
    ○ Amazon Web Services, Microsoft Azure, Digital
    Ocean, Exoscale, Google Compute Engine,
    Microsoft Hyper-V, OpenStack, Rackspace, IBM
    Softlayer, Oracle VirtualBox, VMware vCloud Air,
    VMware Fusion, VMware vSphere and Generic
    

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76. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    

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77. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    

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78. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    

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79. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    ○ Config file: docker-compose.yml
    ○ Run: docker-compose up
    

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80. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    ○ Config file: docker-compose.yml
    ○ Run: docker-compose up
    ◎ Crane - http://getcrane.com
    ○ Config file: crane.json or crane.yaml
    ○ Run: crane lift
    

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81. Docker - Orchestration
    ◎ Docker Compose (Old FIG)
    ○ Config file: docker-compose.yml
    ○ Run: docker-compose up
    ◎ Crane - http://getcrane.com
    ○ Config file: crane.json or crane.yaml
    ○ Run: crane lift
    ◎ AZK - http://www.azk.io
    ○ Config file: Azkfile.js
    ○ Run: `azk agent start` and then `azk start`
    

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82. Third Demo
    

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83. Docker - Orchestration
    ◎ Docker Swarm
    ○ Orchestrate docker hosts
    ○ supports schedulers and node discovery services
    

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84. Last Demo
    

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85. Docker - Comming
    ◎ User namespaces
    ◎ Open Containers Initiative - by Linux Foundation:
    https://www.opencontainers.org/
    

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86. Voucher: php_conf2015
    Q&A
    Slides
    http://bit.ly/phpconfbr2015
    

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