Agenda

• Motivation
• Overview of Modes
• Basic Concepts
• Basic Architecture

Server Mode

• Scaleable due to distributed Server concept
• Jobs can either be triggered or scheduled
• triggered by
• kanku-triggerd
• kanku-web
• scheduled by kanku-scheduler
• Generate prepared/tested development VM

Jobs / Tasks / Kanku::Handler / Kanku::Utils

Jobs

• A set of one or more Tasks
• loose coupling of Tasks
• JobContext for "communication" between Tasks
  • K::H::OBSCheck -> K::H::ImageDownload (download_url)
  • K::H::ImageDownload -> K::H::CreateDomain (vm_image_file)
  • K::H::PrepareSSH -> K::H::ExecuteCommandViaSSH (ip)

Tasks

• Uses exactly one Kanku::Handler and defined options

  -
    use_module: Kanku::Handler::CreateDomain
    options:
      domain_name: kanku-vm
  

• Will be executed once

Kanku::Handler classes

• Requires three methods
  • prepare
  • execute
  • finalize
• Might have getters/setters to modify JobContext
  • Documented in POD
• multiple distribution modes
  • master only
  • worker only
  • all servers

Kanku::Util classes

• Helper classes for Handlers
  • Reduce complexity in Handlers
  • Make functions/methods reusable between Handlers

Questions?

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