Add markdown file's generation to Ubuntu images

images/linux/scripts/SoftwareReport/SoftwareReport.CachedTools.psm1

@@ -0,0 +1,65 @@
+function Get-ToolcacheRubyVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "Ruby"
+    return Get-ChildItem $toolcachePath -Name | Sort-Object { [Version]$_ }
+}
+
+function Get-ToolcachePythonVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "Python"
+    return Get-ChildItem $toolcachePath -Name | Sort-Object { [Version]$_ }
+}
+
+function Get-ToolcachePyPyVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "PyPy"
+    Get-ChildItem -Path $toolcachePath -Name | Sort-Object { [Version] $_ } | ForEach-Object {
+        $pypyRootPath = Join-Path $toolcachePath $_ "x64"
+        [string]$pypyVersionOutput = & "$pypyRootPath/bin/python" -c "import sys;print(sys.version)"
+        $pypyVersionOutput -match "^([\d\.]+) \(.+\) \[PyPy ([\d\.]+) .+]$" | Out-Null
+        return "{0} [PyPy {1}]" -f $Matches[1], $Matches[2]
+    }
+}
+
+function Get-ToolcacheNodeVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "node"
+    return Get-ChildItem $toolcachePath -Name | Sort-Object { [Version]$_ }
+}
+
+function Get-ToolcacheGoVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "go"
+    return Get-ChildItem $toolcachePath -Name | Sort-Object { [Version]$_ }
+}
+
+function Get-ToolcacheBoostVersions {
+    $toolcachePath = Join-Path $env:AGENT_TOOLSDIRECTORY "boost"
+    if (-not (Test-Path $toolcachePath)) {
+        return @()
+    }
+    return Get-ChildItem $toolcachePath -Name | Sort-Object { [Version]$_ }
+}
+
+function Build-CachedToolsSection { 
+    $output = ""
+
+    $output += New-MDHeader "Ruby" -Level 4
+    $output += New-MDList -Lines (Get-ToolcacheRubyVersions) -Style Unordered
+
+    $output += New-MDHeader "Python" -Level 4
+    $output += New-MDList -Lines (Get-ToolcachePythonVersions) -Style Unordered
+    
+    $output += New-MDHeader "PyPy" -Level 4
+    $output += New-MDList -Lines (Get-ToolcachePyPyVersions) -Style Unordered
+
+    $output += New-MDHeader "Node.js" -Level 4
+    $output += New-MDList -Lines (Get-ToolcacheNodeVersions) -Style Unordered
+
+    $output += New-MDHeader "Go" -Level 4
+    $output += New-MDList -Lines (Get-ToolcacheGoVersions) -Style Unordered
+
+    $boostVersions = Get-ToolcacheBoostVersions
+    if ($boostVersions.Count -gt 0) {
+        $output += New-MDHeader "Boost" -Level 4
+        $output += New-MDList -Lines $boostVersions -Style Unordered
+    }
+    
+
+    return $output
+}