[Windows] Merge several toolset provisioners into single Configure-Toolset script (#1111)

* Add Configure-Toolset for windows

* Set error action preference to stop

* Move toolcache.json to config folder

* Fix in verbose

* Rename toolsets folder

* Move default version functions from install-toolset to configure-toolset

* Rework Configure-Toolset

* Fix typo and remove empty line

* Fix issues

* Fix parameters in helpers

* Fix helper syntax

* Rename defaultVariable

images/win/scripts/ImageHelpers/InstallHelpers.ps1

@@ -137,7 +137,7 @@ function Stop-SvcWithErrHandling
     .PARAMETER StopOnError
         Switch for stopping the script and exit from PowerShell if one service is absent
     #>
-    param
+    Param
     (
         [Parameter(Mandatory, ValueFromPipeLine = $true)]
         [string] $ServiceName,
@@ -187,7 +187,7 @@ function Set-SvcWithErrHandling
         Hashtable for service arguments
     #>
 
-    param
+    Param
     (
         [Parameter(Mandatory, ValueFromPipeLine = $true)]
         [string] $ServiceName,
@@ -217,7 +217,7 @@ function Set-SvcWithErrHandling
 
 function Start-DownloadWithRetry
 {
-    param
+    Param
     (
         [Parameter(Mandatory)]
         [string] $Url,
@@ -348,17 +348,74 @@ function Get-VSExtensionVersion
     return $packageVersion
 }
 
-function Get-ToolcachePackages {
+function Get-ToolcachePackages
+{
     $toolcachePath = Join-Path $env:ROOT_FOLDER "toolcache.json"
     Get-Content -Raw $toolcachePath | ConvertFrom-Json
 }
 
-function Get-ToolsetContent {
+function Get-ToolsetContent
+{
     $toolsetJson = Get-Content -Path $env:TOOLSET_JSON_PATH -Raw
     ConvertFrom-Json -InputObject $toolsetJson
 }
 
-function Get-ToolsByName {
+function Get-ToolsetToolFullPath
+{
+    <#
+    .DESCRIPTION
+        Function that return full path to specified toolset tool.
+
+    .PARAMETER Name
+        The name of required tool.
+
+    .PARAMETER Version
+        The version of required tool.
+
+    .PARAMETER Arch
+        The architecture of required tool.
+    #>
+
+    Param
+    (
+        [Parameter(Mandatory=$true)]
+        [string] $Name,
+        [Parameter(Mandatory=$true)]
+        [string] $Version,
+        [string] $Arch = "x64"
+    )
+
+    $ToolPath = Join-Path $env:AGENT_TOOLSDIRECTORY $Name
+
+    # Add wildcard if missing
+    if ($Version.Split(".").Length -lt 3) {
+        $Version += ".*"
+    }
+
+    # Check if version folder exists
+    $expectedVersionPath = Join-Path $ToolPath $Version
+    if (-not (Test-Path $expectedVersionPath)) {
+        Write-Host "Expected ${Name} ${Version} folder is not found!"
+        exit 1
+    }
+
+    # Take latest installed version in case if toolset version contains wildcards
+    $foundVersion = Get-Item $expectedVersionPath `
+                    | Sort-Object -Property {[version]$_.name} -Descending `
+                    | Select-Object -First 1
+
+    # Check for required architecture folder
+    $foundVersionArchPath = Join-Path $foundVersion $Arch
+    if (-not (Test-Path $foundVersionArchPath)) {
+        Write-Host "Expected ${Name}(${Arch}) $($foundVersion.name) architecture folder is not found!"
+        exit 1
+    }
+
+    return $foundVersionArchPath
+}
+
+function Get-ToolsByName
+{
     Param
     (
         [Parameter(Mandatory = $True)]
@@ -391,7 +448,7 @@ function Test-IsWin16
 }
 
 function Extract-7Zip {
-    param
+    Param
     (
         [Parameter(Mandatory=$true)]
         [string]$Path,