Add krunkit driver supporting GPU acceleration on macOS

cmd/minikube/cmd/start_flags.go

@@ -201,7 +201,7 @@ func initMinikubeFlags() {
 	startCmd.Flags().String(network, "", "network to run minikube with. Used by docker/podman, qemu, kvm, and vfkit drivers. If left empty, minikube will create a new network.")
 	startCmd.Flags().StringVarP(&outputFormat, "output", "o", "text", "Format to print stdout in. Options include: [text,json]")
 	startCmd.Flags().String(trace, "", "Send trace events. Options include: [gcp]")
-	startCmd.Flags().Int(extraDisks, 0, "Number of extra disks created and attached to the minikube VM (currently only implemented for hyperkit, kvm2, qemu2, and vfkit drivers)")
+	startCmd.Flags().Int(extraDisks, 0, "Number of extra disks created and attached to the minikube VM (currently only implemented for hyperkit, kvm2, qemu2, vfkit, and krunkit drivers)")
 	startCmd.Flags().Duration(certExpiration, constants.DefaultCertExpiration, "Duration until minikube certificate expiration, defaults to three years (26280h).")
 	startCmd.Flags().String(binaryMirror, "", "Location to fetch kubectl, kubelet, & kubeadm binaries from.")
 	startCmd.Flags().Bool(disableOptimizations, false, "If set, disables optimizations that are set for local Kubernetes. Including decreasing CoreDNS replicas from 2 to 1. Defaults to false.")
@@ -488,6 +488,8 @@ func getNetwork(driverName string) string {
 		return validateQemuNetwork(n)
 	} else if driver.IsVFKit(driverName) {
 		return validateVfkitNetwork(n)
+	} else if driver.IsKrunkit(driverName) {
+		return validateKrunkitNetwork(n)
 	}
 	return n
 }
@@ -546,6 +548,17 @@ func validateVfkitNetwork(n string) string {
 	return n
 }
 
+func validateKrunkitNetwork(n string) string {
+	if runtime.GOOS != "darwin" && runtime.GOARCH != "arm64" {
+		exit.Message(reason.Usage, "The krunkit driver is only supported on macOS arm64 machines")
+	}
+	if err := vmnet.ValidateHelper(); err != nil {
+		vmnetErr := err.(*vmnet.Error)
+		exit.Message(vmnetErr.Kind, "The krunkit driver requires vment-helper: {{.reason}}", out.V{"reason": err})
+	}
+	return n
+}
+
 // generateNewConfigFromFlags generate a config.ClusterConfig based on flags
 func generateNewConfigFromFlags(cmd *cobra.Command, k8sVersion string, rtime string, drvName string) config.ClusterConfig {
 	var cc config.ClusterConfig
@@ -1011,7 +1024,7 @@ func interpretWaitFlag(cmd cobra.Command) map[string]bool {
 }
 
 func checkExtraDiskOptions(cmd *cobra.Command, driverName string) {
-	supportedDrivers := []string{driver.HyperKit, driver.KVM2, driver.QEMU2, driver.VFKit}
+	supportedDrivers := []string{driver.HyperKit, driver.KVM2, driver.QEMU2, driver.VFKit, driver.Krunkit}
 
 	if cmd.Flags().Changed(extraDisks) {
 		supported := false

hack/jenkins/common.sh

@@ -145,6 +145,9 @@ case "${DRIVER}" in
   vfkit)
     echo "vfkit:     $(vfkit --version)"
   ;;
+  krunkit)
+    echo "krunkit:   $(krunkit --version)"
+  ;;
 esac
 
 echo ""

hack/jenkins/osx_integration_tests_krunkit.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright 2024 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# This script runs the integration tests on an OSX machine for the Hyperkit Driver
+
+# The script expects the following env variables:
+# MINIKUBE_LOCATION: GIT_COMMIT from upstream build.
+# COMMIT: Actual commit ID from upstream build
+# EXTRA_BUILD_ARGS (optional): Extra args to be passed into the minikube integrations tests
+# access_token: The GitHub API access token. Injected by the Jenkins credential provider.
+
+
+set -ex
+
+ARCH="arm64"
+OS="darwin"
+DRIVER="krunkit"
+JOB_NAME="Krunkit_macOS"
+EXTRA_TEST_ARGS=""
+EXTERNAL="yes"
+
+brew tap slp/krunkit
+brew install krunkit
+
+source common.sh