Merge pull request devops-collective-inc#11 from trentbl/main

PowerShell on AWS CloudShell by Trent Blackburn/demos.md

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+# PowerShell on AWS CloudShell Demos
+<!-- spell-checker:words pwsh -->
+
+List available tools
+
+```shell
+ls -la /usr/local/bin
+```
+
+Show assumed role
+
+```shell
+aws sts get-caller-identity
+```
+
+List EC2 instances
+
+```shell
+aws ec2 describe-instances
+```
+
+Pretty print EC2 instances
+
+```shell
+aws ec2 describe-instances | jq .
+```
+
+Install AWS CDK
+
+```shell
+npm install aws-cdk
+```
+
+Print the AWS CDK version
+
+```shell
+cdk --version
+```
+
+List binaries
+
+```shell
+ls /usr/bin
+```
+
+Start PowerShell
+
+```shell
+pwsh
+```
+
+Show assumed role
+
+```powershell
+Get-STSCallerIdentity
+```
+
+List modules
+
+```powershell
+Get-Module -ListAvailable
+```
+
+List commands
+
+```powershell
+Get-Command
+```
+
+List variables
+
+```powershell
+Get-Variable
+Get-ChildItem env:
+```
+
+Show profile location
+
+```powershell
+$PROFILE
+```
+
+Show profile content
+
+```powershell
+Get-Content $PROFILE
+```
+
+Add to the profile
+
+```powershell
+Add-Content -Path $PROFILE -Value "Write-Output 'Hello Summit!'"
+```
+
+Reload the profile
+
+```powershell
+. $PROFILE
+```
+
+Trust the PowerShell Gallery
+
+```powershell
+Set-PSRepository -Name 'PSGallery' -InstallationPolicy 'Trusted'
+```
+
+Install Pester
+
+```powershell
+Install-Module -Name 'Pester'
+```
+
+Run Pester
+
+```powershell
+Get-Content ./pesterDemo.ps1
+Invoke-Pester ./pesterDemo.ps1 -Output 'Detailed'
+```
+
+Automatically install Pester using the profile
+
+```powershell
+Add-Content -Path $PROFILE -Value 'if($null -eq (Get-Module -ListAvailable Pester)) { Install-Module -Name Pester -Force }'
+```
+
+Reload the profile
+
+```powershell
+Uninstall-Module Pester
+. $PROFILE
+```
+
+Create an S3 bucket
+
+```powershell
+New-S3Bucket -BucketName 'powershell2023summit'
+```
+
+Upload the file
+
+```powershell
+Write-S3Object -BucketName 'powershell2023summit' -Key 'profile.ps1' -File $PROFILE
+```
+
+Download the file then reload the profile
+
+```powershell
+Read-S3Object -BucketName 'powershell2023summit' -Key 'profile.ps1' -File $PROFILE && . $PROFILE
+```
+
+Create lots of S3 buckets
+
+```powershell
+1..300 | ForEach-Object { New-S3Bucket -BucketName "powershell2023summit$_" -WhatIf }
+```
+
+Update all gp2 EBS volumes to gp3
+
+```powershell
+Get-EC2Volume | Where-Object { $_.VolumeType -eq 'gp2' } | Edit-EC2Volume -VolumeType 'gp3' | Format-Table -AutoSize
+```
+
+Sync command history
+
+```powershell
+$cloudHistory = Read-S3Object -BucketName 'powershell2023summit' -Key 'ConsoleHost_history.txt' -File (New-TemporaryFile)
+$localHistory = (Get-PSReadLineOption).HistorySavePath
+Add-Content -Path $localHistory -Value (Get-Content $cloudHistory)
+Write-S3Object -BucketName 'powershell2023summit' -Key 'ConsoleHost_history.txt' -File $localHistory
+```

PowerShell on AWS CloudShell by Trent Blackburn/pesterDemo.ps1

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+Describe 'Bucket check' {
+    It 'powershell2023summit should exist' {
+        $bucket = Get-S3Bucket -BucketName 'powershell2023summit'
+        $bucket | Should -Not -BeNullOrEmpty
+    }
+    It 'doesnotexistpowershell2023summit should not exist' {
+        $bucket = Get-S3Bucket -BucketName 'doesnotexistpowershell2023summit'
+        $bucket | Should -BeNullOrEmpty
+    }
+}