Fall 2012 DPI908/SBR600 Weekly Schedule

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Tentative Schedule - Fall 2012
Please note that the schedule here is tentative. Week-by-week details will be added as the course progresses.

This is the Fall 2012 weekly schedule for the DPI908 and SBR600 courses.

Previous semester: Winter 2012 SBR600 Weekly Schedule

Week 1 - Introduction

Wednesday (September 5)

Welcome

  • About this course
  • Introductions

Intro to DPI908/SBR600 - Software Build & Release

To Do

By Monday, September 10:

  1. Communication Lab
  2. Fedora Installation
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CDOT Wiki Issues
There is an issue with some email sent from the CDOT Wiki system to MySeneca email accounts. This will prevent important e-mail such as initial temporary passwords, e-mail confirmations, and password resets from being received. This issue is currently being examined by Seneca ITS and we expect a resolution soon. The deadline for this lab is being extended due to this issue.


Week 2 - Building from Source & RPM Packaging

Monday (September 10)

Using make

Building from Source

  • Obtaining source code
  • Configuring the build
  • Performing the build
  • Testing the build
  • Installing the built software

RPM Packages

  • Differences between managing RPMS and Installing from Source
    • RPMS provide a database of installed software
      • Let you determine what's installed
      • Automatic management of dependencies
      • Identify the origin of files
      • Permit easy update or removal
      • Enable you to verify installation (useful for spotting file corruption and intrusions)
  • Contents of an RPM Package

The RPM Database

Using SSH

  • Using SSH - a Review
    • Using public/private keypairs
    • Passphrase protection
    • Keyrings

Resources

To Do

By Wednesday, September 12:

  1. Build-from-Source Lab
  2. Send your SSH public key to your professors so they can create accounts for you on the CDOT Development Systems.

Wednesday (September 12)

Creating an RPM Package

To Do

By Monday, September 17:

Week 3 - Mock and Koji

Monday (September 17)

Mock

Mock is a tool which builds a package using rpmbuild in a 'cleanroom' environment. This has several advantages:

  • it tests the completeness of the BuildRequires in the spec file
  • it avoids the installation of a lot of tools (BuildRequires) on the main host system
  • it permits different tools and tool versions to be used for the build than are installed on the host (e.g., building for F18 on an F16 system)

Background information on using Mock:

To Do

By Wednesday, September 19:

  1. Mock Lab

Wednesday (September 19)

Using Koji to Test on Multiple Architectures

To Do

By Wednesday, September 19:

  1. Koji Lab


Week 4

Monday (September 24)

Signing RPM packages

An RPM signature, like the digital signature used on many other software-signing systems, is a private key encryption of a checksum. RPM uses the GPG libraries for signing.

  1. Create a GPG key: gpg --gen-key
  2. Add the e-mail address associated with your gpg key to the %_gpg_name macro in ~/.rpmmacros -- the line will look like this: %_gpg_name "e-mail-address"
  3. Find (or make) some packages to put in your repository. Make sure that the epoch-version-release is higher than that of any package with the same name in the Fedora repositories.
  4. Sign those packages with: rpm --addsign packagefile

To Do

By Wednesday, September 26:

  1. RPM Signing Lab

Wednesday (September 26)

Creating a YUM repository

A yum repository is just a directory of packages and some metadata.

To create a yum repository:

  1. Create a directory that can be served. The protocol used to serve that directory could be http, ftp, nfs, or something else (the files can be served by putting them on a DVD too!). For http, create the directory within /var/www/html
  2. Put your signed packages in that directory.
  3. Create the repository metadata for that directory: createrepo /name/of/directory (typically: createrepo . )

Notice that the repository metadata will be placed in a subdirectory named repodata

Testing

  1. Create a new repository file in /etc/yum.repos.d by copying and modifying an existing file in that directory. Keep gpgcheck=1 but comment out the gpgkey file.
  2. Confirm that you cannot install from that repository using yum, since the gpgkey is unavailable to yum/rpm.
  3. Uncomment the gpgkey line, and point it to a new file within /etc/pki/rpm-gpg/
  4. Create that file by running (as your regular user): gpg --export --armour e-mail-address and saving the output to the new filename (note: you'll need to be your regular user to perform the export, but the root user to install the file).
  5. Confirm that you can now install from your repository. You should be asked whether you wish to import the key for your repo the first time you use a package from that repo.

Creating a Repository-release RPM

To make it easier for users to access your repository, create a RPM containing:

  1. Your repo file
  2. Your GPG key

You can link to this repository-release RPM from a web page, and users can install access to your repository by simply clicking on that link. You can also include this package in a Spin or Remix. If you ever need to move your repository's location or make other adjustments, you can provide an updated repository-release package which will be installed when your users perform a yum update.

Take a look at the RPMFusion release RPM for an example.

To Do

By Wednesday, September 26:

  1. RPM Signing Lab


Week 5

Monday (October 1) and Wednesday (October 3)

Project Selection

This is a project-based course. These projects involve participation in an open-source community.

  • Projects are listed on the SBR600 Potential Projects page.
  • Select two or three projects that are of interest to you.
    • Do some initial research into what the project involves.
      • Find out who to talk to in the community (start with the initial contacts listed on the project description)
      • See what work has already been done related to that project. Check the Seneca wiki for work by previous SBR600 semesters, the upstream project's wiki and mailing list archives for information about the current state of the project, and the web for related information (similar projects being done by other groups).
      • Join the mailing lists and IRC channels of the upstream community.
    • Update the Winter 2012 SBR600 Participants table with your project information, according to the instructions at the top of that page.
  • On Thursday we'll sort out project conflicts.
  • Your professor will approve your project selection via the participants page.
  • Link your project title on the participants page to a page of the same name to create a project page. Copy the contents of the Sample Project page to your project page and fill in the details.

This week, finalize your project plans and get started on your project:

  • The project page must be filled in, including your 0.1, 0.2, and 0.3 targets. Ensure that you have a link from the Projects column of the Fall 2012 DPI908/SBR600 Participants table to a page for your project; use the Sample Project template for your project page, and fill in as much detail as possible.
    • Release 0.1: Proof of concept (e.g., a first draft of a package, a basic script, infrastructure set up on a test system) - Note that this must include the release of something, not just research, and must be done in consultation with the community.
    • Release 0.2: Initial working state - Whatever you are working on -- package, script, infrastructure configuration -- should be working, although it may not be feature-complete, fully deployed, or fully documented. Feedback from the community should be solicited. If there is a review process required to submit upstream, it should be started.
    • Release 0.3: Completed working state - The work is complete and documented. Any upstream review, whether formal or informal, has been completed, feedback has been incorporated into the project, and the work has been committed to the appropriate repositories (or released in an appropriate manner).
  • You must have a strategy in place for reaching your targets.

Be prepared to give a professional, detailed, but very brief (2- to 4-minute) presentation on your project plan next Monday (October 8). Include:

  • Your approach to the problem.
  • Contacts and resources you've identified.
  • Your plans for each release. Note that at each release you will be expected to actually release something -- an RPM, a script, test results -- as appropriate to your project. Identify what you are intending to release at each stage:
    • 0.1 Release - proof of concept
    • 0.2 Release - initial functionality
    • 0.3 Release - tested and usable
  • Challenges and potential pitfalls that you have identified, and your approach to mitigating those challenges so that you can complete your project on time regardless of things beyond your control.
  • Time for a brief Q&A/Feedback session at the end.
  • During your presentation, you'll

To Do

By Monday, October 8:

  • Prepare your project page and project plan presentation.

Week 6

Note: Monday is the Thanksgiving Day Holiday.

Wednesday (October 10)

Project Plan Presentations (0.0)

  • 2-4 minute quick presentations


Week 7

Monday (October 15)

Using GIT

Resources:

To Do

GIT Lab

Wednesday (October 17)

Python Primer

Study Week and FSOSS

  • Please don't leave your 0.1 milestone work until the last minute!
  • FSOSS 2012

Week 9-13

  • Project work
  • Schedule:
    • 0.1 Milestone: TBA
    • 0.2 Milestone: TBA
    • 0.3 Milestone: TBA



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