Add caching for the Windows Runner

Author: fabi200123

cloudconfig/templates.go

@@ -522,27 +522,32 @@ function Install-Runner() {
 			Import-Certificate -CertificateData $data -StoreName Root -StoreLocation LocalMachine
 		}
 
-		Update-GarmStatus -CallbackURL $CallbackURL -Message "downloading tools from $DownloadURL"
-
-		$downloadToken="{{.TempDownloadToken}}"
-		$DownloadTokenHeaders=@{}
-		if ($downloadToken.Length -gt 0) {
-			$DownloadTokenHeaders=@{
-				"Authorization"="Bearer $downloadToken"
+		$runnerDir = "C:\actions-runner"
+		# Check if a cached runner is available
+		if (-not (Test-Path $runnerDir)) {
+			# No cached runner found, proceed to download and extract
+			Update-GarmStatus -CallbackURL $CallbackURL -Message "downloading tools from {{ .DownloadURL }}"
+
+			$downloadToken="{{.TempDownloadToken}}"
+			$DownloadTokenHeaders=@{}
+			if ($downloadToken.Length -gt 0) {
+				$DownloadTokenHeaders=@{
+					"Authorization"="Bearer $downloadToken"
+				}
 			}
-		}
-		$downloadPath = Join-Path $env:TMP {{.FileName}}
-		# Download runner with retry
-		Start-ExecuteWithRetry -ScriptBlock {
-			Invoke-FastWebRequest -Uri $DownloadURL -OutFile $downloadPath -Headers $DownloadTokenHeaders
-		} -MaxRetryCount 5 -RetryInterval 5 -RetryMessage "Retrying download of runner..."
 
-		$runnerDir = "C:\runner"
-		mkdir $runnerDir
-
-		Update-GarmStatus -CallbackURL $CallbackURL -Message "extracting runner"
-		Add-Type -AssemblyName System.IO.Compression.FileSystem
-		[System.IO.Compression.ZipFile]::ExtractToDirectory($downloadPath, "$runnerDir")
+			$downloadPath = Join-Path $env:TMP "{{ .FileName }}"
+			Start-ExecuteWithRetry -ScriptBlock {
+				Invoke-FastWebRequest -Uri "{{ .DownloadURL }}" -OutFile $downloadPath -Headers $DownloadTokenHeaders
+			} -MaxRetryCount 5 -RetryInterval 5 -RetryMessage "Retrying download of runner..."
+
+			mkdir $runnerDir
+			Update-GarmStatus -CallbackURL $CallbackURL -Message "extracting runner"
+			Add-Type -AssemblyName System.IO.Compression.FileSystem
+			[System.IO.Compression.ZipFile]::ExtractToDirectory($downloadPath, "$runnerDir")
+		} else {
+			Update-GarmStatus -CallbackURL $CallbackURL -Message "using cached runner found at $runnerDir"
+		}
 
 		Update-GarmStatus -CallbackURL $CallbackURL -Message "configuring and starting runner"
 		cd $runnerDir
@@ -563,7 +568,7 @@ function Install-Runner() {
 
 		Update-GarmStatus -CallbackURL $CallbackURL -Message "Creating system service"
 		$SVC_NAME=(gc -raw $serviceNameFile)
-		New-Service -Name "$SVC_NAME" -BinaryPathName "C:\runner\bin\RunnerService.exe" -DisplayName "$SVC_NAME" -Description "GitHub Actions Runner ($SVC_NAME)" -StartupType Automatic
+		New-Service -Name "$SVC_NAME" -BinaryPathName "C:\actions-runner\bin\RunnerService.exe" -DisplayName "$SVC_NAME" -Description "GitHub Actions Runner ($SVC_NAME)" -StartupType Automatic
 		Start-Service "$SVC_NAME"
 		Set-SystemInfo -CallbackURL $CallbackURL -RunnerDir $runnerDir -BearerToken $Token
 		Update-GarmStatus -Message "runner successfully installed" -CallbackURL $CallbackURL -Status "idle" | Out-Null