packer-cn/builder/vmware/common/step_configure_vmx.go

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package common
import (
"context"
"fmt"
"log"
"regexp"
"strings"
"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
)
// This step configures a VMX by setting some default settings as well
// as taking in custom data to set, attaching a floppy if it exists, etc.
//
// Uses:
// vmx_path string
//
// Produces:
// display_name string - Value of the displayName key set in the VMX file
type StepConfigureVMX struct {
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CustomData map[string]string
DisplayName string
SkipFloppy bool
VMName string
}
func (s *StepConfigureVMX) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
log.Printf("Configuring VMX...\n")
var err error
ui := state.Get("ui").(packer.Ui)
vmxPath := state.Get("vmx_path").(string)
vmxData, err := ReadVMX(vmxPath)
if err != nil {
err := fmt.Errorf("Error reading VMX file: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// Set this so that no dialogs ever appear from Packer.
vmxData["msg.autoanswer"] = "true"
// Create a new UUID for this VM, since it is a new VM
vmxData["uuid.action"] = "create"
// Delete any generated addresses since we want to regenerate
// them. Conflicting MAC addresses is a bad time.
addrRegex := regexp.MustCompile(`(?i)^ethernet\d+\.generatedAddress`)
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for k := range vmxData {
if addrRegex.MatchString(k) {
delete(vmxData, k)
}
}
// Set custom data
for k, v := range s.CustomData {
log.Printf("Setting VMX: '%s' = '%s'", k, v)
k = strings.ToLower(k)
vmxData[k] = v
}
// Set a floppy disk, but only if we should
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if !s.SkipFloppy {
// Grab list of temporary builder devices so we can append the floppy to it
tmpBuildDevices := state.Get("temporaryDevices").([]string)
// Set a floppy disk if we have one
if floppyPathRaw, ok := state.GetOk("floppy_path"); ok {
log.Println("Floppy path present, setting in VMX")
vmxData["floppy0.present"] = "TRUE"
vmxData["floppy0.filetype"] = "file"
vmxData["floppy0.filename"] = floppyPathRaw.(string)
// Add it to our list of build devices to later remove
tmpBuildDevices = append(tmpBuildDevices, "floppy0")
}
// Build the list back in our statebag
state.Put("temporaryDevices", tmpBuildDevices)
}
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// If the build is taking place on a remote ESX server, the displayName
// will be needed for discovery of the VM's IP address and for export
// of the VM. The displayName key should always be set in the VMX file,
// so error if we don't find it and the user has not set it in the config.
if s.DisplayName != "" {
vmxData["displayname"] = s.DisplayName
state.Put("display_name", s.DisplayName)
} else {
displayName, ok := vmxData["displayname"]
if !ok { // Packer converts key names to lowercase!
err := fmt.Errorf("Error: Could not get value of displayName from VMX data")
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
} else {
state.Put("display_name", displayName)
}
}
// Set the extendedConfigFile setting for the .vmxf filename to the VMName
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// if displayName is not set. This is needed so that when VMWare creates
// the .vmxf file it matches the displayName if it is set. When just using
// the sisplayName if it was empty VMWare would make a file named ".vmxf".
// The ".vmxf" file would not get deleted when the VM got deleted.
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if s.DisplayName != "" {
vmxData["extendedconfigfile"] = fmt.Sprintf("%s.vmxf", s.DisplayName)
} else {
vmxData["extendedconfigfile"] = fmt.Sprintf("%s.vmxf", s.VMName)
}
err = WriteVMX(vmxPath, vmxData)
if err != nil {
err := fmt.Errorf("Error writing VMX file: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *StepConfigureVMX) Cleanup(state multistep.StateBag) {
}