fix-7604

cmd/minikube/cmd/start_flags.go

@@ -105,6 +105,7 @@ const (
 	forceSystemd            = "force-systemd"
 	kicBaseImage            = "base-image"
 	startOutput             = "output"
+	driverMounts            = "driver-mounts"
 )
 
 // initMinikubeFlags includes commandline flags for minikube.
@@ -196,6 +197,11 @@ func initDriverFlags() {
 	startCmd.Flags().String(hypervVirtualSwitch, "", "The hyperv virtual switch name. Defaults to first found. (hyperv driver only)")
 	startCmd.Flags().Bool(hypervUseExternalSwitch, false, "Whether to use external switch over Default Switch if virtual switch not explicitly specified. (hyperv driver only)")
 	startCmd.Flags().String(hypervExternalAdapter, "", "External Adapter on which external switch will be created if no external switch is found. (hyperv driver only)")
+
+	// Driver specific mounts
+	startCmd.Flags().String(driverMounts, "",
+		`Use native driver mounts. Supported drivers:
+		Docker: -v flag(bind mounts). Has no effect in the existing docker container. Additional options rw and Z supported, for example --driver-mounts="/tmp:/tmp:rwZ"`)
 }
 
 // initNetworkingFlags inits the commandline flags for connectivity related flags for start
@@ -288,6 +294,7 @@ func generateClusterConfig(cmd *cobra.Command, existing *config.ClusterConfig, k
 			NFSSharesRoot:           viper.GetString(nfsSharesRoot),
 			DockerEnv:               config.DockerEnv,
 			DockerOpt:               config.DockerOpt,
+			DriverMounts:            viper.GetString(driverMounts),
 			InsecureRegistry:        insecureRegistry,
 			RegistryMirror:          registryMirror,
 			HostOnlyCIDR:            viper.GetString(hostOnlyCIDR),

pkg/drivers/kic/kic.go

@@ -78,6 +78,7 @@ func (d *Driver) Create() error {
 		ExtraArgs:     []string{"--expose", fmt.Sprintf("%d", d.NodeConfig.APIServerPort)},
 		OCIBinary:     d.NodeConfig.OCIBinary,
 		APIServerPort: d.NodeConfig.APIServerPort,
+		Mounts:        d.NodeConfig.Mounts,
 	}
 
 	// control plane specific options

pkg/drivers/kic/oci/oci.go

@@ -592,3 +592,38 @@ func iptablesFileExists(ociBin string, nameOrID string) bool {
 	}
 	return true
 }
+
+func CreateMounts(mountString string) []Mount {
+	var mounts []Mount
+	isReadOnly := true
+	SelinuxRelabel := false
+
+	if mountString == "" {
+		return mounts
+	}
+
+	splittedMounts := strings.Split(mountString, ",")
+	for _, mountString := range splittedMounts {
+		mountPieces := strings.Split(mountString, ":")
+		if len(mountPieces) == 1 {
+			mountPieces = append(mountPieces, mountPieces[0])
+		}
+
+		if len(mountPieces) == 3 {
+			if strings.Contains(mountPieces[2], "rw") {
+				isReadOnly = false
+			}
+			if strings.Contains(mountPieces[2], "Z") {
+				SelinuxRelabel = true
+			}
+		}
+		mounts = append(mounts, Mount{
+			ContainerPath:  mountPieces[1],
+			HostPath:       mountPieces[0],
+			Readonly:       isReadOnly,
+			SelinuxRelabel: SelinuxRelabel,
+		})
+	}
+
+	return mounts
+}

pkg/minikube/config/types.go

@@ -68,6 +68,7 @@ type ClusterConfig struct {
 	Nodes                   []Node
 	Addons                  map[string]bool
 	VerifyComponents        map[string]bool // map of components to verify and wait for after start.
+	DriverMounts            string
 }
 
 // KubernetesConfig contains the parameters used to configure the VM Kubernetes.

pkg/minikube/registry/drvs/docker/docker.go

@@ -59,6 +59,7 @@ func configure(cc config.ClusterConfig, n config.Node) (interface{}, error) {
 		APIServerPort:     cc.Nodes[0].Port,
 		KubernetesVersion: cc.KubernetesConfig.KubernetesVersion,
 		ContainerRuntime:  cc.KubernetesConfig.ContainerRuntime,
+		Mounts:            oci.CreateMounts(cc.DriverMounts),
 	}), nil
 }
 

site/content/en/docs/commands/start.md

@@ -42,6 +42,8 @@ minikube start [flags]
       --docker-opt stringArray            Specify arbitrary flags to pass to the Docker daemon. (format: key=value)
       --download-only                     If true, only download and cache files for later use - don't install or start anything.
       --driver string                     Used to specify the driver to run Kubernetes in. The list of available drivers depends on operating system.
+      --driver-mounts string              Use native driver mounts. Supported drivers:
+                                          		Docker: -v flag(bind mounts). Has no effect in the existing docker container. Additional options rw and Z supported, for example --driver-mounts="/tmp:/tmp:rwZ"
       --dry-run                           dry-run mode. Validates configuration, but does not mutate system state
       --embed-certs                       if true, will embed the certs in kubeconfig.
       --enable-default-cni                DEPRECATED: Replaced by --cni=bridge