141 lines
3.7 KiB
Go
141 lines
3.7 KiB
Go
package common
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import (
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"fmt"
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"log"
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"os/exec"
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"runtime"
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"strconv"
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"strings"
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)
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// A driver is able to talk to Parallels and perform certain
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// operations with it. Some of the operations on here may seem overly
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// specific, but they were built specifically in mind to handle features
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// of the Parallels builder for Packer, and to abstract differences in
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// versions out of the builder steps, so sometimes the methods are
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// extremely specific.
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type Driver interface {
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// Compact a virtual disk image.
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CompactDisk(string) error
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// Adds new CD/DVD drive to the VM and returns name of this device
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DeviceAddCdRom(string, string) (string, error)
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// Get path to the first virtual disk image
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DiskPath(string) (string, error)
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// Import a VM
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Import(string, string, string, bool) error
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// Checks if the VM with the given name is running.
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IsRunning(string) (bool, error)
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// Stop stops a running machine, forcefully.
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Stop(string) error
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// Prlctl executes the given Prlctl command
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Prlctl(...string) error
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// Get the path to the Parallels Tools ISO for the given flavor.
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ToolsIsoPath(string) (string, error)
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// Verify checks to make sure that this driver should function
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// properly. If there is any indication the driver can't function,
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// this will return an error.
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Verify() error
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// Version reads the version of Parallels that is installed.
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Version() (string, error)
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// Send scancodes to the vm using the prltype python script.
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SendKeyScanCodes(string, ...string) error
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// Apply default сonfiguration settings to the virtual machine
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SetDefaultConfiguration(string) error
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// Finds the MAC address of the NIC nic0
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Mac(string) (string, error)
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// Finds the IP address of a VM connected that uses DHCP by its MAC address
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IpAddress(string) (string, error)
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}
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func NewDriver() (Driver, error) {
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var drivers map[string]Driver
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var prlctlPath string
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var prlsrvctlPath string
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var supportedVersions []string
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dhcp_lease_file := "/Library/Preferences/Parallels/parallels_dhcp_leases"
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if runtime.GOOS != "darwin" {
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return nil, fmt.Errorf(
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"Parallels builder works only on \"darwin\" platform!")
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}
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if prlctlPath == "" {
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var err error
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prlctlPath, err = exec.LookPath("prlctl")
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if err != nil {
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return nil, err
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}
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}
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log.Printf("prlctl path: %s", prlctlPath)
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if prlsrvctlPath == "" {
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var err error
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prlsrvctlPath, err = exec.LookPath("prlsrvctl")
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if err != nil {
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return nil, err
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}
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}
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log.Printf("prlsrvctl path: %s", prlsrvctlPath)
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drivers = map[string]Driver{
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"11": &Parallels11Driver{
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Parallels9Driver: Parallels9Driver{
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PrlctlPath: prlctlPath,
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PrlsrvctlPath: prlsrvctlPath,
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dhcp_lease_file: dhcp_lease_file,
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},
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},
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"10": &Parallels10Driver{
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Parallels9Driver: Parallels9Driver{
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PrlctlPath: prlctlPath,
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PrlsrvctlPath: prlsrvctlPath,
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dhcp_lease_file: dhcp_lease_file,
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},
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},
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"9": &Parallels9Driver{
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PrlctlPath: prlctlPath,
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PrlsrvctlPath: prlsrvctlPath,
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dhcp_lease_file: dhcp_lease_file,
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},
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}
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for v, d := range drivers {
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version, _ := d.Version()
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if strings.HasPrefix(version, v) {
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if err := d.Verify(); err != nil {
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return nil, err
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}
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return d, nil
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}
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supportedVersions = append(supportedVersions, v)
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}
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latestDriver := 11
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version, _ := drivers[strconv.Itoa(latestDriver)].Version()
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majVer, _ := strconv.Atoi(strings.SplitN(version, ".", 2)[0])
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if majVer > latestDriver {
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log.Printf("Your version of Parallels Desktop for Mac is %s, Packer will use driver for version %d.", version, latestDriver)
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return drivers[strconv.Itoa(latestDriver)], nil
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}
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return nil, fmt.Errorf(
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"Unable to initialize any driver. Supported Parallels Desktop versions: "+
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"%s\n", strings.Join(supportedVersions, ", "))
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}
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