MOC 55039 Windows PowerShell Scripting and Toolmaking

Seminarinformationen

Seminar - Ziel

This course covers advanced Windows PowerShell topics, with an emphasis on building reusable tools. Students are introduced to workflow, engage in best practices, and learn a variety of script development and toolmaking techniques.

Learning Objectives

• Describe the correct patterns for building modularized tools in Windows PowerShell
• Build highly modularized functions that comply with native PowerShell patterns
• Build controller scripts that expose user interfaces and automate business processes
• Manage data in a variety of formats
• Write automated tests for tools
• Debug tools

Teilnehmer - Zielgruppe

This course is intended for administrators in a Microsoft-centric environment who want to build reusable units of automation, automate business processes, and enable less-technical colleagues to accomplish administrative tasks.

Kurs - Voraussetzungen

• To gain the most out of this course, you should have:
• Experience at basic Windows administration
• Experience using Windows PowerShell to query and modify system information
• Experience using Windows PowerShell to discover commands and their usage
• Experience using WMI and/or CIM to query system information

Seminardauer

• 5 Tage
• 09:00 Uhr bis 17:00 Uhr

Schulungsunterlagen

• nach Absprache

Seminar-Inhalt / Agenda

1 - TOOL DESIGN

• Tools do one thing
• Tools are flexible
• Tools look native

2 - START WITH A COMMAND

• Why start with a command?
• Discovery and experimentation

3 - BUILD A BASIC FUNCTION AND MODULE

• Start with a basic function
• Create a script module
• Check prerequisites
• Run the new command

4 - ADDING CMDLETBINDING AND PARAMETERIZING

• About CmdletBinding and common parameters
• Accepting pipeline input
• Mandatory-ness
• Parameter validation
• Parmeter aliases

5 - EMITTING OBJECTS AS OUTPUT

• Assembling information
• Constructing and emitting output
• Quick tests

6 - AN INTERLUDE: CHANGING YOUR APPROACH

• Examining a script
• Critiquing a script
• Revising the script

7 - USING VERBOSE, WARNING, AND INFORMATIONAL OUTPUT

• Knowing the six channels
• Adding verbose and warning output
• Doing more with verbose output
• Informational output

8 - COMMENT-BASED HELP

• Where to put your help
• Getting started
• Going further with comment-based help
• Broken help

9 - HANDLING ERRORS

• Understanding errors and exceptions
• Bad handling
• Two reasons for exception handling
• Handling exceptions in our tool
• Capturing the actual exception
• Handling exceptions for non-commands
• Going further with exception handling
• Deprecated exception handling

10 - BASIC DEBUGGING

• Two kinds of bugs
• The ultimate goal of debugging
• Developing assumptions
• Write-Debug
• Set-PSBreakpoint
• The PowerShell ISE

11 - GOING DEEPER WITH PARAMETERS

• Parameter positions
• Validation
• Multiple parameter sets
• Value from remaining arguments
• Help messages
• Aliases
• More CmdletBinding

12 - WRITING FULL HELP

• External help
• Using PlatyPs
• Supporting online help
• “About” topics
• Making your help updatable

13 - UNIT TESTING YOUR CODE

• Sketching out the test
• Making something to test
• Expanding the test
• Going further with Pester

14 - EXTENDING OUTPUT TYPES

• Understanding types
• The Extensible Type System
• Extending an object
• Using Update-TypeData

15 - ANALYZING YOUR SCRIPT

• Performing a basic analysis
• Analyzing the analysis

16 - PUBLISHING YOUR TOOLS

• Begin with a manifest
• Publishing to PowerShell Gallery
• Publishing to private repositories

17 - BASIC CONTROLLERS: AUTOMATION SCRIPTS AND MENUS

• Building a menu
• Using UIChoice
• Writing a process controller

18 - PROXY FUNCTIONS

• A proxy example
• Creating the proxy base
• Modifying the proxy
• Adding or removing parameters

19 - WORKING WITH XML DATA

• Simple: CliXML
• Importing native XML
• ConvertTo-XML
• Creating native XML from scratch

20 - WORKING WITH JSON DATA

• Converting to JSON
• Converting from JSON

21 - WORKING WITH SQL SERVER DATA

• SQL Server terminology and facts
• Connecting to the server and database
• Writing a query
• Running a query
• Invoke-SqlCmd
• Thinking about tool design patterns
• Design tools that use SQL Server for data storage

22 - FINAL EXAM

• Lab problem
• Break down the problem
• Do the design
• Test the commands
• Code the tool

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