CfgMgmtCamp 2015 - Managing the Content Lifecycle with Katello

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This document provides an overview of content management and lifecycles using Katello. It discusses how Katello allows you to sync or upload content, create content views to filter and control packages/modules, and promote content views through defined environments. It also covers features like errata awareness, composite content views, and incremental updates to quickly push out emergency patches.

Technologie

Stephen Benjamin
February 2, 2015
stephen@redhat.com / @stbenjam
Managing the
Content Lifecycle

Agenda
● Intro to Katello
● Content & Content Views
● Lifecycles
● Patching
● Demo
● Questions

Content Management
● Sync repositories or upload content
● Spin/control/filter with Content Views
● Move Content Views through a Lifecycle
● Maintain awareness of what's in the pipeline

Content Sources
● Direct Upload
● Sync External Sources:
– Yum repositories
– Puppet forges
– Docker registries
– Red Hat CDN (w/ subscription manifest)

Default Organization View
● Simplest View
– Available by default
– Everything you've synced is visible

OS Repo
App Repo
Puppet Modules
Filters
Publish Publish
Version 1.0
Selected Puppet Modules
Custom Content Views
● Add repositories
● Add filters
● Publish a version (snapshot) of the Content View and it becomes available in the
Library

OS Repo
App Repo
Puppet Modules
Filters
Publish Publish
Version 1.0
Selected Puppet Modules
Custom Content Views
Software
– Include/Exclude Filters On
● Package name
● Package group
● Erratum ID
● Date/Time
Puppet Modules
– Add by specific versions or just latest

Lifecycle Environment
● Library is where all content goes first
● Then move through one or many defined promotion
paths
Version 1
LibraryLibrary

Promotion Path of a Content View
Version 1
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production

Promotion Path of a Content View
Version 1
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 1

Promotion Path of a Content View
Version 1
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 1 Version 1

Promotion Path of a Content View
Version 2
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 1 Version 1
QA Failure

Promotion Path of a Content View
Version 2
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 2 Version 1

Promotion Path of a Content View
Version 3
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 2 Version 2 Version 2

Promotion Path of a Content View
Version 3
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 3 Version 2 Version 2

Composite Content View (CCV)
● A composite contains other Content Views
● Manage OS, App, and Configuration layers
separately

Composite Content View
Composite Content Views are also managed in their own lifecycle...

Errata
● Software changes issued by Fedora (incl.
EPEL) and Red Hat are published via errata
advisories.
● By category:
– New Package (Fedora only)
– Bugfix
– Enhancement
– Security (and severity – high/medium/low)

Situation Awareness
Know which systems need critical updates at a
glance...

Situation Awareness
See what's coming up through the promotion path

Situation Awareness
Get e-mail notifications

...ok, but what can you do with the information?
Your hosts need a critical update...

Promote/Publish through the whole cycle?
Version 3
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 2 Version 2 Version 2

Promote/Publish through the whole cycle?
Version 3
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 3 Version 2 Version 3

Incremental Update
● Skip the lifecycle
– Make an update available now
– Ideal for emergency patches
● Katello 2.2 Feature

Incremental Update
Version 3
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 3 Version 2 Version 2
RHSA-2015:0099, RHSA-2015:0092
Version 3.1
LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production
Version 3.1 Version 2.1 Version 2.1

Questions?
● Find us:
– http://www.katello.org
– Freenode: #theforeman, #theforeman-dev
– Mailing lists:
● Foreman-users@googlegroups.com
● Foreman-dev@googlegroups.com

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CfgMgmtCamp 2015 - Managing the Content Lifecycle with Katello

1. Stephen Benjamin February 2, 2015 stephen@redhat.com / @stbenjam Managing the Content Lifecycle

2. Agenda ● Intro to Katello ● Content & Content Views ● Lifecycles ● Patching ● Demo ● Questions

3. Content Management ● Sync repositories or upload content ● Spin/control/filter with Content Views ● Move Content Views through a Lifecycle ● Maintain awareness of what's in the pipeline

4. Katello

5. Katello Architecture

6. Content

7. Content Sources ● Direct Upload ● Sync External Sources: – Yum repositories – Puppet forges – Docker registries – Red Hat CDN (w/ subscription manifest)

8. Content Views

9. Default Organization View ● Simplest View – Available by default – Everything you've synced is visible

10. OS Repo App Repo Puppet Modules Filters Publish Publish Version 1.0 Selected Puppet Modules Custom Content Views ● Add repositories ● Add filters ● Publish a version (snapshot) of the Content View and it becomes available in the Library

11. OS Repo App Repo Puppet Modules Filters Publish Publish Version 1.0 Selected Puppet Modules Custom Content Views Software – Include/Exclude Filters On ● Package name ● Package group ● Erratum ID ● Date/Time Puppet Modules – Add by specific versions or just latest

12. Lifecycle Environment ● Library is where all content goes first ● Then move through one or many defined promotion paths Version 1 LibraryLibrary

13. Promotion Path of a Content View Version 1 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production

14. Promotion Path of a Content View Version 1 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 1

15. Promotion Path of a Content View Version 1 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 1 Version 1

16. Promotion Path of a Content View Version 2 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 1 Version 1 QA Failure

17. Promotion Path of a Content View Version 2 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 2 Version 1

18. Promotion Path of a Content View Version 2 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 2 Version 2

19. Promotion Path of a Content View Version 2 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 2 Version 2 Version 2

20. Promotion Path of a Content View Version 3 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 2 Version 2 Version 2

21. Promotion Path of a Content View Version 3 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 3 Version 2 Version 2

22. Composite Content View (CCV) ● A composite contains other Content Views ● Manage OS, App, and Configuration layers separately

23. Composite Content View Composite Content Views are also managed in their own lifecycle...

24. Situation Awareness

25. Errata ● Software changes issued by Fedora (incl. EPEL) and Red Hat are published via errata advisories. ● By category: – New Package (Fedora only) – Bugfix – Enhancement – Security (and severity – high/medium/low)

26. Situation Awareness Know which systems need critical updates at a glance...

27. Situation Awareness See what's coming up through the promotion path

28. Situation Awareness Get e-mail notifications

29. ...ok, but what can you do with the information? Your hosts need a critical update...

30. Promote/Publish through the whole cycle? Version 3 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 2 Version 2 Version 2

31. Promote/Publish through the whole cycle? Version 3 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 3 Version 2 Version 3

32. Incremental Update ● Skip the lifecycle – Make an update available now – Ideal for emergency patches ● Katello 2.2 Feature

33. Incremental Update Version 3 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 3 Version 2 Version 2 RHSA-2015:0099, RHSA-2015:0092 Version 3.1 LibraryLibrary DevelopmentDevelopmentDevelopmentDevelopment QA Production Version 3.1 Version 2.1 Version 2.1

34. Questions? ● Find us: – http://www.katello.org – Freenode: #theforeman, #theforeman-dev – Mailing lists: ● Foreman-users@googlegroups.com ● Foreman-dev@googlegroups.com

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