[tests] Fix packetbeat system tests on windows (elastic#42172)

* Fix packetbeat system tests on windows

* Add retry if needed in pre command hook

* Add hook path

* Undo retry changes

* Remove retry in hook

* Undo version change

* Fix test

* Do not skip npcap installation for system tests

* Revert "Do not skip npcap installation for system tests"

This reverts commit 90a8265.

* Enable npcap installation on CI

* use dot sourcing for ps

* source in pre-command

* test win10 image

* fix image name

* Revert "fix image name"

This reverts commit 587a00e.

* Revert "test win10 image"

This reverts commit 95b7dea.

* test win10 image

* Revert "test win10 image"

This reverts commit 7ae9b46.

* Move out of hook

* update gcp auth script

* call script instead of dot sourcing

.buildkite/scripts/gcp_auth.ps1

@@ -0,0 +1,20 @@
+Write-Host "~~~ Authenticating GCP"
+# Secrets must be redacted
+# https://buildkite.com/docs/pipelines/managing-log-output#redacted-environment-variables
+
+$privateCIGCSServiceAccount = "kv/ci-shared/platform-ingest/gcp-platform-ingest-ci-service-account"
+$tempFileName = "google-cloud-credentials.json"
+$secretFileLocation = Join-Path $env:TEMP $tempFileName
+
+$serviceAccountJsonSecret = Retry-Command -ScriptBlock {
+    vault kv get -field=data -format=json $privateCIGCSServiceAccount | ConvertFrom-Json
+    if ( -not $? ) { throw "Error during vault kv get" }
+}
+
+New-Item -ItemType File -Path $secretFileLocation >$null
+$serviceAccountJsonPlaintextSecret = $serviceAccountJsonSecret.plaintext | ConvertTo-Json
+Set-Content -Path $secretFileLocation -Value $serviceAccountJsonPlaintextSecret
+if ( -not $?) { throw "Error retrieving the required field from the secret" }
+
+gcloud auth activate-service-account --key-file $secretFileLocation
+Remove-Item -Path $secretFileLocation -Force

.buildkite/x-pack/pipeline.xpack.packetbeat.yml

@@ -207,9 +207,8 @@ steps:
 
       - label: ":windows: x-pack/packetbeat: Win 2022 System Tests"
         key: "mandatory-win-2022-system-tests"
-        skip: "skipping due to elastic/beats#38142"
         command: |
-          source .buildkite/scripts/gcp_auth.sh
+          .buildkite/scripts/gcp_auth.ps1
           Set-Location -Path x-pack/packetbeat
           mage systemTest
         retry:
@@ -322,9 +321,8 @@ steps:
 
       - label: ":windows: x-pack/packetbeat: Win 10 System Tests"
         key: "extended-win-10-system-tests"
-        skip: "skipping due to elastic/beats#38142"
         command: |
-          source .buildkite/scripts/gcp_auth.sh
+          .buildkite/scripts/gcp_auth.ps1
           Set-Location -Path x-pack/packetbeat
           mage systemTest
         retry:

x-pack/packetbeat/magefile.go

@@ -137,12 +137,7 @@ func TestPackages() error {
 }
 
 func SystemTest(ctx context.Context) error {
-	// Buildkite (CI) images have preinstalled npcap
-	if os.Getenv("CI") == "true" {
-		mg.SerialDeps(devtools.BuildSystemTestBinary)
-	} else {
-		mg.SerialDeps(xpacketbeat.GetNpcapInstaller, devtools.BuildSystemTestBinary)
-	}
+	mg.SerialDeps(xpacketbeat.GetNpcapInstaller, devtools.BuildSystemTestBinary)
 
 	args := devtools.DefaultGoTestIntegrationArgs()
 	args.Packages = []string{"./tests/system/..."}

x-pack/packetbeat/tests/system/app_test.go

@@ -24,7 +24,7 @@ import (
 )
 
 // Keep in sync with NpcapVersion in magefile.go.
-const NpcapVersion = "1.79"
+const NpcapVersion = "1.80"
 
 func TestWindowsNpcapInstaller(t *testing.T) {
 	if runtime.GOOS != "windows" {
@@ -65,7 +65,26 @@ func TestDevices(t *testing.T) {
 	}
 	t.Log("Expect interfaces:\n", expected)
 
+ifcsLoop:
 	for _, ifc := range ifcs {
-		assert.Contains(t, stdout, ifc.Name)
+		if strings.Contains(stdout, ifc.Name) {
+			continue ifcsLoop
+		}
+		addrs, err := ifc.Addrs()
+		assert.NoError(t, err)
+		maddrs, err := ifc.MulticastAddrs()
+		assert.NoError(t, err)
+		addrs = append(addrs, maddrs...)
+		for _, addr := range addrs {
+			s := addr.String()
+			// remove the network mask suffix
+			if idx := strings.Index(s, "/"); idx > -1 {
+				s = s[:idx]
+			}
+			if strings.Contains(stdout, s) {
+				continue ifcsLoop
+			}
+		}
+		t.Errorf("interface %q not found", ifc.Name)
 	}
 }