Merge pull request #10835 from sharifelgamal/prune-windows

make sure to prune docker on windows integration test machines

hack/jenkins/windows_integration_test_docker.ps1

@@ -21,12 +21,24 @@ gsutil.cmd -m cp gs://minikube-builds/$env:MINIKUBE_LOCATION/e2e-windows-amd64.e
 gsutil.cmd -m cp -r gs://minikube-builds/$env:MINIKUBE_LOCATION/testdata .
 gsutil.cmd -m cp -r gs://minikube-builds/$env:MINIKUBE_LOCATION/setup_docker_desktop_windows.ps1 out/
 
+$env:SHORT_COMMIT=$env:COMMIT.substring(0, 7)
+$gcs_bucket="minikube-builds/logs/$env:MINIKUBE_LOCATION/$env:SHORT_COMMIT"
+
 ./out/setup_docker_desktop_windows.ps1
 If ($lastexitcode -gt 0) {
 	echo "Docker failed to start, exiting."
+
+	$json = "{`"state`": `"failure`", `"description`": `"Jenkins: docker failed to start`", `"target_url`": `"https://storage.googleapis.com/$gcs_bucket/Docker_Windows.txt`", `"context`": `"Docker_Windows`"}"
+
+	Invoke-WebRequest -Uri "https://api.github.com/repos/kubernetes/minikube/statuses/$env:COMMIT`?access_token=$env:access_token" -Body $json -ContentType "application/json" -Method Post -usebasicparsing
+
+	docker system prune --all --force
 	Exit $lastexitcode
 }
 
+# Remove unused images and containers
+docker system prune --all --force
+
 
 ./out/minikube-windows-amd64.exe delete --all
 
@@ -64,8 +76,6 @@ If($env:status -eq "failure") {
 }
 echo $description
 
-$env:SHORT_COMMIT=$env:COMMIT.substring(0, 7)
-$gcs_bucket="minikube-builds/logs/$env:MINIKUBE_LOCATION/$env:SHORT_COMMIT"
 $env:target_url="https://storage.googleapis.com/$gcs_bucket/Docker_Windows.html"
 
 #Upload logs to gcs
@@ -79,6 +89,9 @@ gsutil -qm cp testout_summary.json gs://$gcs_bucket/Docker_Windows_summary.json
 $json = "{`"state`": `"$env:status`", `"description`": `"Jenkins: $description`", `"target_url`": `"$env:target_url`", `"context`": `"Docker_Windows`"}"
 Invoke-WebRequest -Uri "https://api.github.com/repos/kubernetes/minikube/statuses/$env:COMMIT`?access_token=$env:access_token" -Body $json -ContentType "application/json" -Method Post -usebasicparsing
 
+# Remove unused images and containers
+docker system prune --all --force
+
 # Just shutdown Docker, it's safer than anything else
 Get-Process "*Docker Desktop*" | Stop-Process