Mastering CloudForms Automation. An Essential Guide for Cloud Administrators Peter McGowan

Spis treści książki

• Preface
  • A Brief Word on Terminology
  • Who Should Read This Book?
  • Why I Wrote This Book
  • Versions and Releases
  • Navigating This Book
    • Part I, Working with CloudForms Automate
    • Part II, Provisioning Virtual Machines
    • Part III, Working with Services
    • Part IV, Retirement
    • Part V, Integration
    • Part VI, Miscellaneous
  • Online Resources
    • Official Documentation
    • Code Repositories
    • Forums
    • Blogs
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
  • Acknowledgments
• I. Working with CloudForms Automate
• 1. Introduction to CloudForms
  • What Is CloudForms?
  • Providers
    • Cloud Providers
    • Infrastructure Providers
    • Configuration Management Providers
    • Container Providers
    • Mixing and Matching Providers
      • Company XYZ Inc.
  • The Capabilities of CloudForms
    • Insight
    • Control
    • Automate
      • Service catalog
    • Integrate
  • The CloudForms Appliance
    • Ruby and Rails
  • Projects, Products, and Some History
    • ManageIQ (the Project)
    • Red Hat CloudForms (the Product)
    • CloudForms Management Engine (the Appliance)
  • Summary
    • Further Reading
• 2. Introduction to the Automate Datastore
  • The Automate Explorer
  • The Automate Datastore
  • Domains
    • Domain Priority
    • Importing/Exporting Domains
    • Copying Objects Between Domains
    • Importing Old Format Exports
  • Namespaces
  • Classes
    • Schemas
    • Adding or Editing a Schema
    • Relationships
  • Instances
  • Methods
  • Summary
    • Further Reading
• 3. Writing and Running Our Own Automation Scripts
  • Creating the Environment
    • Adding a New Domain
    • Adding a Namespace
    • Adding a Class
    • Editing the Schema
  • Hello, World!
    • Adding a New Instance
    • Adding a New Method
  • Running the Instance
  • Exit Status Codes
  • Summary
• 4. Using Schema Variables
  • Preparing the Schema
  • The Instance
  • The Method
  • Running the Instance
  • Summary
• 5. Working with Virtual Machines
  • Custom Attributes
  • Creating the Service Dialog
  • Creating the Instance and Method
    • The Code
    • Creating the /System Entry Point
  • Running Automation Scripts from a Button
    • Creating the Button Group
    • Creating the Button
    • Running the Instance
  • Summary
    • Further Reading
• 6. Peeping Under the Hood
  • A Little Rails Knowledge (Goes a Long Way)
    • Plain Old Ruby
    • Model-View-Controller
    • Active Record Associations
    • Rails Helper Methods (.find_by_*)
  • Service Models
  • Service Model Object Properties
    • Attributes
    • Virtual Columns
    • Associations
    • Methods
  • Distributed Ruby
  • Summary
    • Further Reading
• 7. $evm and the Workspace
  • $evm.log
  • $evm.root
  • $evm.object, $evm.current, and $evm.parent
  • $evm.vmdb
    • Single-Argument Form
    • Two-Argument Form
  • $evm.execute
    • Examples
      • Creating a tag if one doesnt already exist
      • Sending an email
      • Creating a new automation request
  • $evm.instantiate
  • Summary
    • Further Reading
• 8. A Practical Example: Enforcing Anti-Affinity Rules
  • Task
  • Solution
    • relocate_vm
    • send_email
    • Main Code
  • Summary
    • Further Reading
• 9. Using Tags from Automate
  • Creating Tags and Categories
  • Assigning and Removing Tags
  • Testing Whether an Object Is Tagged
  • Retrieving an Objects Tags
  • Searching for Specifically Tagged Objects
    • Practical Example
  • Getting the List of Tag Categories
  • Getting the List of Tags in a Category
  • Finding a Tags Name, Given Its Description
  • Finding a Specific Tag (MiqAeServiceClassification) Object
  • Deleting a Tag Category
  • Summary
    • Further Reading
• 10. Investigative Debugging
  • InspectMe
  • object_walker
    • Black or Whitelisting Associations
    • object_walker_reader
  • Rails Console
  • Rails db
  • Summary
    • Further Reading
• 11. Ways of Entering Automate
  • Buttons and Simulation
  • RESTful API
  • Control Policy Actions
  • Alerts
  • Service Dialog Dynamic Elements
  • Finding Out How Our Method Has Been Called
  • Summary
    • Further Reading
• 12. Requests and Tasks
  • The Need for Approval
  • Request and Task Objects
  • Approval
  • Object Class Ancestry
  • Context
  • Object Contents
    • Dumping the Object Contents
      • The request object
      • The task object
    • Comparing the Objects
  • Summary
    • Further Reading
• 13. State Machines
  • Building a State Machine
    • State Machine Schema Field Columns
      • Value (instance)/Default Value (schema)
      • On Entry
      • On Exit
      • On Error
      • Max Retries
      • Max Time
    • State Machine Example
  • State Variables
    • Setting State Result
    • State Retries
    • Getting the State Machine Name
    • Getting the Current Step in the State Machine
    • Getting the on_entry, on_exit, on_error Status State
  • State Machine Enhancements in CloudForms 4.0
    • Error Recovery
    • Skipping States
    • Jumping to a Specific State
    • Nested State Machines
  • Saving Variables Between State Retries
  • Summary
    • Further Reading
• 14. More Advanced Schema Features
  • Messages
    • Specifying Our Own Messages
  • Assertions
  • Collections
  • Summary
• 15. Event Processing
  • Event Processing Component Parts
    • The Event Stream Object
    • The Event Switchboard
      • Event stream namespace
      • Event stream source
      • Event type
    • Event Handlers
  • Catching and Handling External Events
    • Event Catching
    • Event Processing
      • Step 1
      • Step 2
      • Step 3
      • Step 4
      • Step 5
  • Creating and Processing Internal Events
    • Step 6
    • Step 7
    • Step 8
    • Step 9
    • Step 10
    • Event-Initiated Control Policy Processing
      • Step 11
      • Step 12
    • Event-Initiated Alert Processing
      • Step 13
      • Step 14
  • Event-Initiated Automation Request Workflows
    • Step 1: The request_created Event
      • Step 1.1
      • Step 1.2
      • Step 1.3
      • Step 1.4
      • Step 1.5
      • Step 1.6
    • Step 2: The request_approved Event
      • Step 2.1
      • Step 2.2
      • Step 2.3
      • Step 2.4
    • Step 3: The request_starting Event
      • Step 3.1
      • Step 3.2
      • Step 3.3
      • Step 3.4
      • Step 3.5
    • Step 4: Automation Task Processing
  • Extending Automate Event Handling
    • Adding a New Automation Instance to /System/Event/EmsEvent/
  • Summary
  • Next Steps
• II. Provisioning Virtual Machines
• 16. Provisioning a Virtual Machine
  • The Provisioning Process
  • Group-Specific Considerations, and Common Processing
  • Summary
• 17. The Provisioning Profile
  • Location
  • Schema
  • Customizing the Profile
  • Profile Processing in Detail
    • The Provisioning Dialog
    • VM Name (Pass 1)
    • Approval
      • Approved, pending, or denied
    • Quota
    • VM Name (Pass 2)
    • VM Provisioning State Machine
  • Summary
    • Further Reading
• 18. Approval
  • Approval Workflow
    • Request Created Event
    • Methods
      • validate_request
      • pending_request
      • approve_request
    • Request Pending Event
  • Overriding the Defaults
    • Template Tagging
  • VM ProvisioningRelated Email
  • Summary
    • Further Reading
• 19. Quota Management
  • Quotas in Cloudforms 4.0
    • Quota Source
      • Alternative Quota Sources
      • Defining a quota in the state machines schema (the model)
      • Defining a quota using tags
  • Quota Workflow
  • Summary
    • Further Reading
• 20. The Options Hash
  • Request Object (miq_provision_request)
  • Task Object (miq_provision)
    • Adding Network Adapters
  • Correlation with the Provisioning Dialog
  • Adding Our Own Options: The ws_values Hash
  • Summary
• 21. The Provisioning State Machine
  • State Machine Schema
  • Filling in the Blanks
  • Summary
• 22. Customizing Virtual Machine Provisioning
  • Scenario
  • Task
  • Methodology
    • Step 1: Extend the State Machine
      • Copy the state machine
      • Edit the schema
      • Add the new states
      • Adjust the sequence
    • Step 2: Disable Auto-Power-On
      • Copy the method
      • Edit the method
    • Step 3: Create Our New Instances and Methods
      • add_disk
      • start_vm
    • Step 4: Add Our New Instances to the Copied State Machine
    • Step 5: Provision a Virtual Machine
  • Summary
    • Further Reading
• 23. Virtual Machine Naming During Provisioning
  • VM Name-Related Provisioning Options
    • Inputs to the Naming Process
      • vm_name
      • vm_prefix
      • hostname
      • linux_host_name
      • sysprep_computer_name
      • miq_force_unique_name
    • Outputs from the Naming Process
      • vm_target_name
      • vm_target_hostname
  • Name Processing
    • Provisioning a Single VM or Instance
    • Provisioning Multiple VMs or Instances in a Single Request
  • Customizing the Naming Process
  • Summary
    • Further Reading
• 24. Virtual Machine Placement During Provisioning
  • Placement Methods
  • Method Description
  • Customising Placement
    • Using Alternative Placement Methods
  • Summary
    • Further Reading
• 25. The Provisioning Dialog
  • Tabs and Input Fields
  • Dialog YAML
  • Selection of VM Provisioning Dialog
  • Group-Specific Dialogs
    • Example: Expanding the Dialog
      • Copy the existing dialog
      • Create a group profile
      • Testing the provisioning dialog
  • Summary
    • Further Reading
• 26. Virtual Machine Provisioning Objects
  • Object Overview
  • The Provision Request Object
    • Request Context
    • Task Context
  • The Provision Task Object
  • The Source Object
  • The Destination Object
  • Summary
• 27. Creating Provisioning Requests Programmatically
  • Making the Call
  • Argument List
    • version
    • templateFields
    • vmFields
    • requester
    • tags
    • additionalValues (aka ws_values)
    • emsCustomAttributes
    • miqCustomAttributes
  • Setting Placement Options
  • Summary
    • Further Reading
• 28. Integrating with Satellite 6 During Provisioning
  • Hosts and Content Hosts
  • The Satellite 6 Host Entry
  • Non-CloudForms Preparation
    • Creating the Host Groups in Satellite 6
    • Creating the Activation Keys in Satellite 6
    • Adding an SSH Key to the VMware Template
  • Installing and Configuring Ansible on the CloudForms Appliance
  • Modifying the CloudForms Provisioning Workflow
    • RegisterSatellite
    • ActivateSatellite
  • Testing the Integration: Provisioning a New VM
  • Summary
    • Further Reading
• III. Working with Services
• 29. Service Dialogs
  • Dialog Elements
  • Dynamic Elements
    • Populating the Dynamic Fields
  • Read-Only and Protected Elements
    • Programmatically Populating a Read-Only Text Box
  • Element Validation
  • Using the Input from One Element in Another Elements Dynamic Method
    • Example
      • Requirement
      • Solution
  • Summary
    • Further Reading
• 30. The Service Provisioning State Machine
  • Class and Instances
  • Passing Service Dialog Options to the Child and Grandchild Tasks
  • Accessing the Service Dialog Options
    • ConfigureChildDialog
  • Summary
    • VM Naming for Services
• 31. Catalog{Item,Bundle}Initialization
  • CatalogItemInitialization
    • Service Dialog Element Naming Convention
      • Single options hash key
      • Single tag
  • CatalogBundleInitialization
  • Summary
    • Further Reading
• 32. Approval and Quota
  • Triggering Events
  • Approval
    • Customizing Approval
  • Quota
    • Email
  • Summary
• 33. Creating a Service Catalog Item
  • The Service Dialog
    • Finding the Correct Element Names
      • Searching the provisioning dialog
      • Examining the options hash during provisioning
      • Some commonly used element names
    • Creating the Service Dialog
  • Creating the Service Catalog Item
    • Create a Catalog
    • Creating the Catalog Item
  • Ordering the Catalog Item
  • Summary
    • Further Reading
• 34. Creating a Service Catalog Bundle
  • Creating the Service Dialog for the Bundle
  • Preparing the Service Catalog Items
  • Creating the Service Catalog Bundle
  • Ordering the Catalog Bundle
  • Summary
    • Further Reading
• 35. Service Objects
  • Object Structure
    • Service Template Provision Task
      • Source
      • Destination
    • Service Template Provisioning Request
    • Child miq_request_task
      • Service resource
      • Source
      • Destination
    • Grandchild miq_request_task
      • Source
      • Destination
  • Summary
• 36. Log Analysis During Service Provisioning
  • Initial Request
  • Profile Lookup
  • Request Processing and Approval
  • Service Template Provisioning Tasks
  • VM Provisioning Task
  • Service State Machine CheckProvisioned
  • VM State Machine CheckProvisioned
  • Virtual Machine Provision Complete
  • Service Provision Complete
  • Summary
• 37. Service Hierarchies
  • Organizing Our Services
    • Creating an Empty Service
      • State machine
      • Method
      • Service dialog
      • Putting it all together
  • Adding VMs and Services to Existing Services
    • Adding the Button
      • Button dialog
      • Dialog element method
      • Button method
      • Putting it all together
  • Summary
• 38. Service Reconfiguration
  • Reconfigure Entry Point
  • Service Design
  • Adding a Configuration Management Provider
  • Automate Datastore Components
    • Creating the Namespaces and State Machines
    • Email Classes
    • Policies
  • Modifying the VM Provision Workflow
  • Service Dialog
    • Elements
  • Instances and Methods
    • Dynamic Dialogs
      • Common functionality
      • ListHostGroups
      • ListActivationKeys
      • ListPuppetClasses
      • ListSmartClassParameters
    • Configuration-Related Methods
      • RegisterSatellite
      • ActivateSatellite
      • SetConfiguration
  • Testing
  • Summary
• 39. Service Tips and Tricks
  • Test Virtual Machine Provisioning First
  • Re-create the Service Item if the Template Changes
  • Custom State Machines
  • Summary
• IV. Retirement
• 40. Virtual Machine and Instance Retirement
  • Initiating Retirement
  • Retirement-Related Attributes and Methods
  • VM Retirement State Machine
    • StartRetirement
    • PreRetirement/CheckPreRetirement
    • RemoveFromProvider/CheckRemovedFromProvider
      • Default
      • Unregister
    • FinishRetirement
    • DeleteFromVMDB
  • Summary
    • Further Reading
• 41. Service Retirement
  • Defining a Service Retirement Entry Point
  • Initiating Retirement
  • Retirement-Related Attributes and Methods
  • Service Retirement State Machine
    • StartRetirement
    • RetireService/CheckServiceRetired
    • FinishRetirement
    • DeleteServiceFromVMDB
  • Summary
• V. Integration
• 42. Calling Automation Using the RESTful API
  • API Entry Point
  • Returning Results to the Caller
  • Authentication and auto_approve
  • Zone Implications
  • run_via_api
  • Summary
    • Further Reading
• 43. Automation Request Approval
  • Implementing a Custom Approval Workflow
    • Namespace
    • Group Profile
    • State Machine
      • Instances
      • Methods
    • Email Classes
  • Policies
    • AutomationRequest_created
    • AutomationRequest_pending
  • Testing
  • Summary
• 44. Calling External Services
  • Calling a SOAP API Using the Savon Gem
  • Calling an OpenStack API Using the fog Gem
  • Reading from a MySQL Database Using the MySQL Gem
  • Summary
    • Further Reading
• VI. Miscellaneous
• 45. Distributed Automation Processing
  • Nondistributed Automation Operations
  • Distributed Automation Operations
  • Tracing Queueing/Dequeueing Operations
  • Detailed Queue Analysis
    • Monitoring the Queue During an Automation Operation
  • Troubleshooting
  • Summary
• 46. Argument Passing and Handling
  • Case 1: Calling from a Button
  • Case 2: Calling from the RESTful API
  • Case 3: Calling from a Relationship or Automate Datastore URI
  • Case 4: Passing Arguments via the ws_values Hash During a VM Provision
  • Passing Arguments When Calling a Method in the Same Class
  • Summary
• 47. Miscellaneous Tips
  • Updating the Appliance
  • The ManageIQ Coding Style and Standards Guide
  • Defensive Programming
  • Catch Exceptions
  • Use an External IDE
  • Version Control
  • Use Configuration Domains
  • Summary
• Index

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