DEVOPS & AUTOMATION Use tools to create

consistency in your scripts; an insiders’ guide

Jeff Wouters | Methos

DEVOPS & AUTOMATION

Jeff Wouters

CTO @ MethosMVP Cloud & Datacenter Management

MCT (PowerShell / DSC / Azure Automation)MSc | MBA | PhD

DEVOPS & AUTOMATION Agenda

• Plaster • VSCode• Pester• PSScriptAnalyzer• PSCodeHealth

DEVOPS & AUTOMATION Plaster

• Template-based file & project generator• Streamline module/test/dsc/… creation

• Yeoman for the PowerShell community

DEVOPS & AUTOMATION VSCode

• PowerShell extension• Integration with PSScriptAnalyzer

DEVOPS & AUTOMATION Pester

• Unit testing• Operation Validation Framework (OVF)• Module Manifests

• …anything?

DEVOPS & AUTOMATION Pester

Synopsis = not Null or EmptyDescription = not Null or EmptyParameters descriptions = not Null or EmptyParam count in Help = count in ASTExamples count –gt 0Notes contain: Author, Company, Customer

DEVOPS & AUTOMATION PSScriptAnalyzer

• Test for bad-practices.• Custom rules

• ...fix issues automatically?

DEVOPS & AUTOMATION PSScriptAnalyzer

AvoidAliasAvoidUsingPlainTextForPasswordMisleadingBacktickMissingModuleManifestFieldUseToExportFieldsInManifest

DEVOPS & AUTOMATION PSCodeHealth (Mathieu Buisson)

• Cyclomatic complexity* possible execution paths

DEVOPS & AUTOMATION PSCodeHealth (Mathieu Buisson)

• Code length• Code complexity• Bad practices• Tests and test coverage• Comment-based help

• Code smells• Styling issues

DEVOPS & AUTOMATION PSCodeHealth (Mathieu Buisson)

DEVOPS & AUTOMATION Metrics foreach function

• LinesOfCode• ScriptAnalyzerFindings• ContainsHelp• TestCoverage• CommandsMissed• Complexity

DEVOPS & AUTOMATION Metrics overall

Files (*.ps*1, excl tests)ComplexityAverageComplexityHighestFunctionsWithoutHelpLinesOfCode (Total/Avg.)PSSA (Total/Errors/Warnings/Info/Avg.)Tests (Failed/Passed/PassRate/Coverage

FunctionsNumberOfTestsCommandsMissedTotalNestingDepthAverageNestingDepthHighest

DEVOPS & AUTOMATION

DEVOPS & AUTOMATION

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