Add kvm driver support

Author: jimmidyson

.travis.yml

@@ -1,7 +1,15 @@
+sudo: required
+dist: trusty
+
 language: go
 
 go:
   - 1.6
+
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install -y libvirt-dev
+
 # We shouldn't need to install anything because we use vendoring.
 install:
 - echo "Don't run anything."

Godeps/Godeps.json

@@ -19,7 +19,8 @@ Minikube is a tool that makes it easy to run Kubernetes locally. Minikube runs a
 
 ### Requirements
 
-* [VirtualBox](https://www.virtualbox.org/wiki/Downloads) or [VMware Fusion](https://www.vmware.com/products/fusion) installation
+* [VirtualBox](https://www.virtualbox.org/wiki/Downloads), [VMware Fusion](https://www.vmware.com/products/fusion)
+or [KVM](http://www.linux-kvm.org/) installation
 * VT-x/AMD-v virtualization must be enabled in BIOS
 
 ### Instructions
@@ -29,7 +30,11 @@ See the installation instructions for the [latest release](https://github.com/ku
 ## Quickstart
 
 Here's a brief demo of minikube usage.
-If you want to change the VM driver to VMware Fusion add the `--vm-driver=vmwarefusion` flag to `minikube start`.
+If you want to change the VM driver add the `--vm-driver=xxx` flag to `minikube start`. Currently supported
+drivers are:
+
+* `vmwarefusion`
+* `kvm`
 
 Note that the IP below is dynamic and can change. It can be retrieved with `minikube ip`.
 

README.md

@@ -63,6 +63,7 @@ func runStart(cmd *cobra.Command, args []string) {
 	var host *host.Host
 	start := func() (err error) {
 		host, err = cluster.StartHost(api, config)
+		glog.V(8).Infoln(err)
 		return err
 	}
 	err := util.Retry(3, start)

cmd/minikube/cmd/start.go

@@ -18,7 +18,7 @@ minikube start
       --cpus=1: Number of CPUs allocated to the minikube VM
       --iso-url="https://storage.googleapis.com/minikube/minikube-0.4.iso": Location of the minikube iso
       --memory=1024: Amount of RAM allocated to the minikube VM
-      --vm-driver="virtualbox": VM driver is one of: [virtualbox vmwarefusion]
+      --vm-driver="virtualbox": VM driver is one of: [virtualbox vmwarefusion kvm]
 ```
 
 ### Options inherited from parent commands

docs/minikube_start.md

@@ -26,6 +26,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/dhiltgen/docker-machine-kvm"
 	"github.com/docker/machine/drivers/virtualbox"
 	"github.com/docker/machine/libmachine"
 	"github.com/docker/machine/libmachine/drivers"
@@ -276,9 +277,21 @@ func createHost(api libmachine.API, config MachineConfig) (*host.Host, error) {
 		d.Boot2DockerURL = config.MinikubeISO
 		d.Memory = config.Memory
 		d.CPU = config.CPUs
-		driver = d
 	case "vmwarefusion":
 		driver = createVMwareFusionHost(config)
+	case "kvm":
+		d := kvm.NewDriver(constants.MachineName, constants.Minipath)
+		d.Boot2DockerURL = config.MinikubeISO
+		d.Memory = config.Memory
+		d.DiskSize = 20000
+		d.CPU = config.CPUs
+		d.Network = constants.KVMDefaultNetwork
+		d.PrivateNetwork = "docker-machines"
+		d.ISO = d.ResolveStorePath("boot2docker.iso")
+		d.SSHUser = "docker"
+		d.SSHPort = 22
+		d.DiskPath = d.ResolveStorePath(fmt.Sprintf("%s.img", d.MachineName))
+		driver = d
 	default:
 		glog.Exitf("Unsupported driver: %s\n", config.VMDriver)
 	}

pkg/minikube/cluster/cluster.go

@@ -69,7 +69,7 @@ func TestCreateHost(t *testing.T) {
 	}
 
 	if !found {
-		t.Fatalf("Wrong driver name: %v. Should be virtualbox or vmwarefusion.", h.DriverName)
+		t.Fatalf("Wrong driver name: %v. Should be virtualbox, vmwarefusion or kvm.", h.DriverName)
 	}
 }
 

pkg/minikube/cluster/cluster_test.go

@@ -24,6 +24,9 @@ import (
 // MachineName is the name to use for the VM.
 const MachineName = "minikubeVM"
 
+// KVMDefaultNetwork is the name of the default KVM network.
+const KVMDefaultNetwork = "default"
+
 // Fix for windows
 var Minipath = filepath.Join(os.Getenv("HOME"), ".minikube")
 
@@ -48,6 +51,7 @@ var LogFlags = [...]string{
 var SupportedVMDrivers = [...]string{
 	"virtualbox",
 	"vmwarefusion",
+	"kvm",
 }
 
 const (

pkg/minikube/constants/constants.go

@@ -19,6 +19,7 @@ package machine
 import (
 	"os"
 
+	"github.com/dhiltgen/docker-machine-kvm"
 	"github.com/docker/machine/drivers/virtualbox"
 	"github.com/docker/machine/drivers/vmwarefusion"
 	"github.com/docker/machine/libmachine/drivers/plugin"
@@ -35,6 +36,8 @@ func StartDriver() {
 			plugin.RegisterDriver(virtualbox.NewDriver("", ""))
 		case "vmwarefusion":
 			plugin.RegisterDriver(vmwarefusion.NewDriver("", ""))
+		case "kvm":
+			plugin.RegisterDriver(kvm.NewDriver("", ""))
 		default:
 			glog.Exitf("Unsupported driver: %s\n", driverName)
 		}