PSRule for Cloud Adoption Framework

A suite of rules to validate Azure resources against the Cloud Adoption Framework (CAF) using PSRule.

Note

The features of PSRule for CAF have been consolidated into PSRule for Azure as of v1.43.0 and this repository is now archived. Consider migrating your configuration to use PSRule for Azure.

You may still continue to download and use this module from source or the PowerShell Gallery, but it will not receive any further updates or support.

Please log any new issues at https://github.com/Azure/PSRule.Rules.Azure/issues

Features of PSRule for CAF include:

Ready to go - Leverage configurable rules to validate Azure resources.
DevOps - Validate resources and infrastructure code pre or post-deployment.
Cross-platform - Run on MacOS, Linux, and Windows.

Getting the modules

This project requires the PSRule, PSRule.Rules.Azure and Az PowerShell modules. For details on each see install.

You can download and install these modules from the PowerShell Gallery.

Module	Description	Downloads / instructions
PSRule.Rules.CAF	Validate Azure resources against the CAF.	latest / instructions

Getting started

PSRule for CAF provides two methods for analyzing Azure resources:

Pre-flight - Before resources are deployed from Azure Resource Manager (ARM) templates.
In-flight - After resource are deployed to an Azure subscription.

For additional details see the FAQ.

Using with GitHub Actions

The following example shows how to setup Github Actions to validate templates pre-flight.

See Creating a workflow file.
Reference microsoft/ps-rule with modules: 'PSRule.Rules.CAF'.
Create and configure ps-rule.yaml in the repository root directory.

Example workflow:

# Example: .github/workflows/analyze-arm.yaml

#
# STEP 1: Template validation
#
name: Analyze templates
on:
- pull_request
jobs:
  analyze_arm:
    name: Analyze templates
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v3

    # STEP 3: Run analysis against PSRule for Cloud Adoption Framework
    - name: Test Azure Infrastructure as Code
      uses: microsoft/ps-rule@v2.0.0
      with:
        modules: 'PSRule.Rules.CAF'

Example PSRule options:

# Example: ps-rule.yaml

#
# PSRule configuration
#

# Please see the documentation for all configuration options:
# https://aka.ms/ps-rule/options

include:
  module:
  - PSRule.Rules.CAF

requires:
  PSRule.Rules.CAF: '>=0.3.0'

output:
  culture:
  - en-US

configuration:
  # Enable expansion for Bicep source files.
  AZURE_BICEP_FILE_EXPANSION: true

  # Enable expansion for template expansion.
  AZURE_PARAMETER_FILE_EXPANSION: true

Using with Azure Pipelines

The following example shows how to setup Azure Pipelines to validate templates pre-flight.

Install PSRule extension for Azure DevOps marketplace.
Create a new YAML pipeline with the Starter pipeline template.
Add the PSRule analysis task.
- Set modules to PSRule.Rules.CAF.
Create and configure ps-rule.yaml in the repository root directory.

Example pipeline:

# Example: .pipelines/analyze-arm.yaml

#
# STEP 2: Template validation
#
jobs:
- job: 'analyze_arm'
  displayName: 'Analyze templates'
  pool:
    vmImage: 'ubuntu-20.04'
  steps:

  # STEP 3: Run analysis against PSRule for Cloud Adoption Framework
  - task: ps-rule-assert@1
    displayName: Test Azure Infrastructure as Code
    inputs:
      modules: 'PSRule.Rules.CAF'

Example PSRule options:

# Example: ps-rule.yaml

#
# PSRule configuration
#

# Please see the documentation for all configuration options:
# https://aka.ms/ps-rule/options

include:
  module:
  - PSRule.Rules.CAF

requires:
  PSRule.Rules.CAF: '>=0.3.0'

output:
  culture:
  - en-US

configuration:
  # Enable expansion for Bicep source files.
  AZURE_BICEP_FILE_EXPANSION: true

  # Enable expansion for template expansion.
  AZURE_PARAMETER_FILE_EXPANSION: true

Using locally

The following example shows how to setup PSRule locally to validate templates pre-flight.

Install the PSRule.Rules.CAF module and dependencies from the PowerShell Gallery.
Create and configure ps-rule.yaml in the repository root directory.
Run analysis against PSRule for Cloud Adoption Framework.

Example install command-line:

# STEP 1: Install from the PowerShell Gallery
Install-Module -Name 'PSRule.Rules.CAF' -Scope CurrentUser -Repository PSGallery;

Example PSRule options:

# Example: ps-rule.yaml

#
# PSRule configuration
#

# Please see the documentation for all configuration options:
# https://aka.ms/ps-rule/options

include:
  module:
  - PSRule.Rules.CAF

requires:
  PSRule.Rules.CAF: '>=0.3.0'

output:
  culture:
  - en-US

configuration:
  # Enable expansion for Bicep source files.
  AZURE_BICEP_FILE_EXPANSION: true

  # Enable expansion for template expansion.
  AZURE_PARAMETER_FILE_EXPANSION: true

Example test command-line:

# STEP 3: Test Azure Infrastructure as Code
Assert-PSRule -Module 'PSRule.Rules.CAF' -Format File -InputPath '.';

Troubleshooting expansion

A number of issues can occur when expanding Azure templates or Bicep source files. Or you may not get any results at all if expansion is not configured. See the following topics:

Export in-flight resource data

The following example shows how to setup PSRule locally to validate resources running in a subscription.

Install the PSRule.Rules.CAF module and dependencies from the PowerShell Gallery.
Connect and set context to an Azure subscription from PowerShell.
Export the resource data with the Export-AzRuleData cmdlet.
Run analysis against exported data.

For example:

# STEP 1: Install PSRule.Rules.CAF from the PowerShell Gallery
Install-Module -Name 'PSRule.Rules.CAF' -Scope CurrentUser;

# STEP 2: Authenticate to Azure, only required if not currently connected
Connect-AzAccount;

# Confirm the current subscription context
Get-AzContext;

# STEP 3: Exports a resource graph stored as JSON for analysis
Export-AzRuleData -OutputPath 'out/templates/';

# STEP 4: Run analysis against exported data
Assert-PSRule -Module 'PSRule.Rules.CAF' -InputPath 'out/templates/';

Rule reference

For a list of rules included in the PSRule.Rules.CAF module see:

Module rule reference

Rules included in this module define a number of configurable values that can be set on an as need basis. By default these values use the standards defined by the CAF. A list of configurable values are included in the reference for each rule.

Language reference

Commands

This module uses commands from the PSRule.Rules.Azure module to export resource configuration data. The PSRule.Rules.Azure module is included as a dependency of PSRule.Rules.CAF.

For details of PSRule.Rules.Azure commands see:

Export-AzRuleData - Export resource configuration data from Azure subscriptions.
Export-AzTemplateRuleData - Export resource configuration data from Azure templates.

Changes and versioning

Modules in this repository will use the semantic versioning model to declare breaking changes from v1.0.0. Prior to v1.0.0, breaking changes may be introduced in minor (0.x.0) version increments. For a list of module changes please see the change log.

Pre-release module versions are created on major commits and can be installed from the PowerShell Gallery. Pre-release versions should be considered experimental. Modules and change log details for pre-releases will be removed as standard releases are made available.

Code of Conduct

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Maintainers

Bernie White

License

This project is licensed under the MIT License.

License

microsoft/PSRule.Rules.CAF

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