update Az.Bootstrapper for local profile testing

src/Az.BootStrapper/Module/Az.Bootstrapper.psm1

@@ -169,7 +169,20 @@ function Get-AzProfileMap
   [CmdletBinding()]
   param([Switch]$Update)
 
-  $Update = $PSBoundParameters.Update
+  $azBootStrapperLocalProfile = [System.Environment]::GetEnvironmentVariable("AzBootStrapperLocalProfile","Machine")
+  if ($azBootStrapperLocalProfile)
+  {
+    $scriptBlock = {
+        Get-Content -Path $azBootStrapperLocalProfile -ErrorAction stop | ConvertFrom-Json 
+    }
+    $ProfileMap = Invoke-CommandWithRetry -ScriptBlock $scriptBlock 
+    if(!$ProfileMap)
+    {
+        throw [System.IO.FileNotFoundException] "Local profile ${azBootStrapperLocalProfile} doesn't exist."
+    }
+    return $ProfileMap
+  }
+
   # If Update is present, download ProfileMap from online source
   if ($Update.IsPresent)
   {

src/Az.BootStrapper/readme.md

@@ -1,7 +1,30 @@
-   ## Run Generation
+## Run Generation
 In this directory, run AutoRest:
 > `autorest`
 
+## Installing Module
+Simply run:
+
+```
+Install-Module -Name Az.Bootstrapper -Repository <REPOSITORY_CONTAINING_AZ_BOOTSTRAPPER>
+```
+
+## Installing Profiles
+- To install from online or cached profile, simply run:
+
+```
+Set-BootStrapRepo -Repo <REPOSITORY>
+Install-AzProfile -Profile <PROFILE_VERSION>
+```
+
+- To install local profile, set the environment variable AzBootStrapperLocalProfile with the full path to the local profile on your system.
+
+```
+[Environment]::SetEnvironmentVariable("AzBootStrapperLocalProfile", <PATH_TO_PROFILE_JSON>, [System.EnvironmentVariableTarget]::Machine)
+Set-BootStrapRepo -Repo <REPOSITORY>
+Install-AzProfile -Profile <PROFILE_VERSION>
+```
+
 ---
 ### AutoRest Configuration
 > see https://aka.ms/autorest