github.com/kimor79/packer@v0.8.7-0.20151221212622-d507b18eb4cf/builder/virtualbox/ovf/config.go (about)

     1  package ovf
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"strings"
     7  
     8  	vboxcommon "github.com/mitchellh/packer/builder/virtualbox/common"
     9  	"github.com/mitchellh/packer/common"
    10  	"github.com/mitchellh/packer/helper/config"
    11  	"github.com/mitchellh/packer/packer"
    12  	"github.com/mitchellh/packer/template/interpolate"
    13  )
    14  
    15  // Config is the configuration structure for the builder.
    16  type Config struct {
    17  	common.PackerConfig             `mapstructure:",squash"`
    18  	vboxcommon.ExportConfig         `mapstructure:",squash"`
    19  	vboxcommon.ExportOpts           `mapstructure:",squash"`
    20  	vboxcommon.FloppyConfig         `mapstructure:",squash"`
    21  	vboxcommon.OutputConfig         `mapstructure:",squash"`
    22  	vboxcommon.RunConfig            `mapstructure:",squash"`
    23  	vboxcommon.SSHConfig            `mapstructure:",squash"`
    24  	vboxcommon.ShutdownConfig       `mapstructure:",squash"`
    25  	vboxcommon.VBoxManageConfig     `mapstructure:",squash"`
    26  	vboxcommon.VBoxManagePostConfig `mapstructure:",squash"`
    27  	vboxcommon.VBoxVersionConfig    `mapstructure:",squash"`
    28  
    29  	BootCommand          []string `mapstructure:"boot_command"`
    30  	SourcePath           string   `mapstructure:"source_path"`
    31  	GuestAdditionsMode   string   `mapstructure:"guest_additions_mode"`
    32  	GuestAdditionsPath   string   `mapstructure:"guest_additions_path"`
    33  	GuestAdditionsURL    string   `mapstructure:"guest_additions_url"`
    34  	GuestAdditionsSHA256 string   `mapstructure:"guest_additions_sha256"`
    35  	VMName               string   `mapstructure:"vm_name"`
    36  	ImportOpts           string   `mapstructure:"import_opts"`
    37  	ImportFlags          []string `mapstructure:"import_flags"`
    38  
    39  	ctx interpolate.Context
    40  }
    41  
    42  func NewConfig(raws ...interface{}) (*Config, []string, error) {
    43  	c := new(Config)
    44  	err := config.Decode(c, &config.DecodeOpts{
    45  		Interpolate:        true,
    46  		InterpolateContext: &c.ctx,
    47  		InterpolateFilter: &interpolate.RenderFilter{
    48  			Exclude: []string{
    49  				"boot_command",
    50  				"guest_additions_path",
    51  				"guest_additions_url",
    52  				"vboxmanage",
    53  				"vboxmanage_post",
    54  			},
    55  		},
    56  	}, raws...)
    57  	if err != nil {
    58  		return nil, nil, err
    59  	}
    60  
    61  	// Defaults
    62  	if c.GuestAdditionsMode == "" {
    63  		c.GuestAdditionsMode = "upload"
    64  	}
    65  
    66  	if c.GuestAdditionsPath == "" {
    67  		c.GuestAdditionsPath = "VBoxGuestAdditions.iso"
    68  	}
    69  
    70  	if c.VMName == "" {
    71  		c.VMName = fmt.Sprintf(
    72  			"packer-%s-%d", c.PackerBuildName, interpolate.InitTime.Unix())
    73  	}
    74  
    75  	// Prepare the errors
    76  	var errs *packer.MultiError
    77  	errs = packer.MultiErrorAppend(errs, c.ExportConfig.Prepare(&c.ctx)...)
    78  	errs = packer.MultiErrorAppend(errs, c.ExportOpts.Prepare(&c.ctx)...)
    79  	errs = packer.MultiErrorAppend(errs, c.FloppyConfig.Prepare(&c.ctx)...)
    80  	errs = packer.MultiErrorAppend(errs, c.OutputConfig.Prepare(&c.ctx, &c.PackerConfig)...)
    81  	errs = packer.MultiErrorAppend(errs, c.RunConfig.Prepare(&c.ctx)...)
    82  	errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(&c.ctx)...)
    83  	errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(&c.ctx)...)
    84  	errs = packer.MultiErrorAppend(errs, c.VBoxManageConfig.Prepare(&c.ctx)...)
    85  	errs = packer.MultiErrorAppend(errs, c.VBoxManagePostConfig.Prepare(&c.ctx)...)
    86  	errs = packer.MultiErrorAppend(errs, c.VBoxVersionConfig.Prepare(&c.ctx)...)
    87  
    88  	if c.SourcePath == "" {
    89  		errs = packer.MultiErrorAppend(errs, fmt.Errorf("source_path is required"))
    90  	} else {
    91  		if _, err := os.Stat(c.SourcePath); err != nil {
    92  			errs = packer.MultiErrorAppend(errs,
    93  				fmt.Errorf("source_path is invalid: %s", err))
    94  		}
    95  	}
    96  
    97  	validMode := false
    98  	validModes := []string{
    99  		vboxcommon.GuestAdditionsModeDisable,
   100  		vboxcommon.GuestAdditionsModeAttach,
   101  		vboxcommon.GuestAdditionsModeUpload,
   102  	}
   103  
   104  	for _, mode := range validModes {
   105  		if c.GuestAdditionsMode == mode {
   106  			validMode = true
   107  			break
   108  		}
   109  	}
   110  
   111  	if !validMode {
   112  		errs = packer.MultiErrorAppend(errs,
   113  			fmt.Errorf("guest_additions_mode is invalid. Must be one of: %v", validModes))
   114  	}
   115  
   116  	if c.GuestAdditionsSHA256 != "" {
   117  		c.GuestAdditionsSHA256 = strings.ToLower(c.GuestAdditionsSHA256)
   118  	}
   119  
   120  	// Warnings
   121  	var warnings []string
   122  	if c.ShutdownCommand == "" {
   123  		warnings = append(warnings,
   124  			"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
   125  				"will forcibly halt the virtual machine, which may result in data loss.")
   126  	}
   127  
   128  	// Check for any errors.
   129  	if errs != nil && len(errs.Errors) > 0 {
   130  		return nil, warnings, errs
   131  	}
   132  
   133  	// TODO: Write a packer fix and just remove import_opts
   134  	if c.ImportOpts != "" {
   135  		c.ImportFlags = append(c.ImportFlags, "--options", c.ImportOpts)
   136  	}
   137  
   138  	return c, warnings, nil
   139  }