Sync eng/common directory with azure-sdk-tools for PR 2381 (Azure#25731)

* Add disk metrics script and template

* Support linux disk matrics

* Add continueOnError to write-filesystemmetrics.yml

Co-authored-by: Patrick Hallisey <[email protected]>

Author: azure-sdk

eng/common/pipelines/templates/steps/write-filesystemmetrics.yml

@@ -0,0 +1,7 @@
+steps:
+    - task: Powershell@2
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/scripts/Write-FileSystemMetrics.ps1
+        pwsh: true
+      displayName: Write filesystem metrics
+      continueOnError: true

eng/common/scripts/Write-FileSystemMetrics.ps1

@@ -0,0 +1,31 @@
+$drives = [IO.DriveInfo]::GetDrives() | Where-Object { $_.TotalSize -gt 0 -and $_.DriveType -eq 'Fixed' -and $null -ne $_.Name }
+
+foreach($drive in $drives) {
+    $entry = [ordered]@{
+      "name"= "agent_driveinfo_size_bytes";
+      "value"= $drive.TotalSize;
+      "timestamp"= [DateTimeOffset]::UtcNow;
+      "labels"= [ordered]@{
+        "name"= $drive.Name;
+        "volumeLabel"= $drive.VolumeLabel;
+        "driveType"= $drive.DriveType.ToString();
+        "driveFormat"= $drive.DriveFormat;
+      }
+    }
+
+    Write-Output "logmetric: $($entry | ConvertTo-Json -Compress)"
+
+    $entry = [ordered]@{
+      "name"= "agent_driveinfo_available_bytes";
+      "value"= $drive.AvailableFreeSpace;
+      "timestamp"= [DateTimeOffset]::UtcNow;
+      "labels"= [ordered]@{
+        "name"= $drive.Name;
+        "volumeLabel"= $drive.VolumeLabel;
+        "driveType"= $drive.DriveType.ToString();
+        "driveFormat"= $drive.DriveFormat;
+      }
+    }
+
+    Write-Output "logmetric: $($entry | ConvertTo-Json -Compress)"
+}