1. Snap your App! Ted Gould ted@canonical.com @tedjgould Ubucon
November 19th, 2015

3. Ubuntu Debian based (package format and policies) Regular Releases
Updated via Apt

4. Ubuntu Phone
Click Applications
System Image Updates

5. Why Click?
Millions
Thousands

6. Leaves are Simpler
Single Dependency

7. Click
App
Ubuntu Touch

8. Reviewers Don't Scale

9. Why Image Based Updates?
Binary: Works or it doesn't
Provides opportunity to rollback
Simple testable states

10. — Us, acting cooler than we actually are
“Let's Take Ubuntu Phone all the way to 11!”
— Us, acting cooler than we actually are

11. Snappy Ubuntu Core Transactional Updates Snap based Apps
Snap frameworks
OS snap

12. Deb-based
System
Snap-based
System

13. App
App
App
App
Framework
Snappy Ubuntu Core
Gadget
Hardware Abstraction

14. Hardware Abstraction Provided by board vendors
Allows for custom drivers and config

15. “Gadget” Snap Per-device configuration Snaps to install Permissions
Branding

16. Framework Snaps Provide shared services Mediate resources IPC to Apps
Mir System Compositor

17. Why snap? (not click) Click v2.0 Click only for leaf nodes
Support for OS and framework snaps
Lower level components

18. Cloud
Internet
Of Things
Corp IT
Consumer Devices

19. Trend: Internet of Things
Smaller computers
Internet connectivity
Full OS resources
Must be reliable

20. Trend: Consumer Devices
More complex interactions
Bullet-proof experience
Complex security situations

21. Trend: Corporate/Education IT
Verifiable Images
Upgrades don't cause downtime
Confined apps and app permissions

22. Trend: Cloud and Containers
Small base OS
Unit of specialized code
Tested as a unit

23. Snappy Store

24. Store Story: Erle Robotics

25. Store Store: Networking

26. Try it today!

27. What is a snap? A self-contained bundle Includes dependencies
Works with frameworks
You are here

28. Snap Directories

30. Block Inception

31. snapcraft.yaml name: photoviewer version: 0.2
vendor: Ted Gould
frameworks: [mir]
summary: Photoviewer from Flickr tags
binaries:
photoviewer:
exec: qmlscene main.qml --
caps:
- mir_client
- network-client
parts:
qml:
plugin: qml
photoviewer:
plugin: copy
files:
main.qml: main.qml
PhotoViewerCore: PhotoViewerCore

32. snapcraft.yaml Package Information name: photoviewer version: 0.2
vendor: Ted Gould
frameworks: [mir]
summary: Photoviewer from Flickr tags
binaries:
photoviewer:
exec: qmlscene main.qml --
caps:
- mir_client
- network-client
Package
Information
parts:
qml:
plugin: qml
photoviewer:
plugin: copy
files:
main.qml: main.qml
PhotoViewerCore: PhotoViewerCore

33. snapcraft.yaml System Integration name: photoviewer version: 0.2
vendor: Ted Gould
frameworks: [mir]
summary: Photoviewer from Flickr tags
binaries:
photoviewer:
exec: qmlscene main.qml --
caps:
- mir_client
- network-client
System
Integration
parts:
qml:
plugin: qml
photoviewer:
plugin: copy
files:
main.qml: main.qml
PhotoViewerCore: PhotoViewerCore

34. snapcraft.yaml Build Instructions name: photoviewer version: 0.2
vendor: Ted Gould
frameworks: [mir]
summary: Photoviewer from Flickr tags
binaries:
photoviewer:
exec: qmlscene main.qml --
caps:
- mir_client
- network-client
Build
Instructions
parts:
qml:
plugin: qml
photoviewer:
plugin: copy
files:
main.qml: main.qml
PhotoViewerCore: PhotoViewerCore