github.com/tonnydourado/packer@v0.6.1-0.20140701134019-5d0cd9676a37/builder/parallels/common/driver.go (about)

     1  package common
     2  
     3  import (
     4  	"log"
     5  	"os/exec"
     6  )
     7  
     8  // A driver is able to talk to Parallels and perform certain
     9  // operations with it. Some of the operations on here may seem overly
    10  // specific, but they were built specifically in mind to handle features
    11  // of the Parallels builder for Packer, and to abstract differences in
    12  // versions out of the builder steps, so sometimes the methods are
    13  // extremely specific.
    14  type Driver interface {
    15  	// Import a VM
    16  	Import(string, string, string) error
    17  
    18  	// Checks if the VM with the given name is running.
    19  	IsRunning(string) (bool, error)
    20  
    21  	// Stop stops a running machine, forcefully.
    22  	Stop(string) error
    23  
    24  	// Prlctl executes the given Prlctl command
    25  	Prlctl(...string) error
    26  
    27  	// Verify checks to make sure that this driver should function
    28  	// properly. If there is any indication the driver can't function,
    29  	// this will return an error.
    30  	Verify() error
    31  
    32  	// Version reads the version of Parallels that is installed.
    33  	Version() (string, error)
    34  
    35  	// Send scancodes to the vm using the prltype tool.
    36  	SendKeyScanCodes(string, ...string) error
    37  
    38  	// Finds the MAC address of the NIC nic0
    39  	Mac(string) (string, error)
    40  
    41  	// Finds the IP address of a VM connected that uses DHCP by its MAC address
    42  	IpAddress(string) (string, error)
    43  }
    44  
    45  func NewDriver() (Driver, error) {
    46  	var prlctlPath string
    47  
    48  	if prlctlPath == "" {
    49  		var err error
    50  		prlctlPath, err = exec.LookPath("prlctl")
    51  		if err != nil {
    52  			return nil, err
    53  		}
    54  	}
    55  
    56  	log.Printf("prlctl path: %s", prlctlPath)
    57  	driver := &Parallels9Driver{prlctlPath}
    58  	if err := driver.Verify(); err != nil {
    59  		return nil, err
    60  	}
    61  
    62  	return driver, nil
    63  }