103 lines
3.1 KiB
Go
103 lines
3.1 KiB
Go
package pvm
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import (
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"fmt"
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parallelscommon "github.com/mitchellh/packer/builder/parallels/common"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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"os"
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)
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// Config is the configuration structure for the builder.
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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parallelscommon.FloppyConfig `mapstructure:",squash"`
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parallelscommon.OutputConfig `mapstructure:",squash"`
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parallelscommon.PrlctlConfig `mapstructure:",squash"`
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parallelscommon.PrlctlVersionConfig `mapstructure:",squash"`
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parallelscommon.RunConfig `mapstructure:",squash"`
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parallelscommon.SSHConfig `mapstructure:",squash"`
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parallelscommon.ShutdownConfig `mapstructure:",squash"`
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parallelscommon.ToolsConfig `mapstructure:",squash"`
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BootCommand []string `mapstructure:"boot_command"`
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SourcePath string `mapstructure:"source_path"`
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VMName string `mapstructure:"vm_name"`
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tpl *packer.ConfigTemplate
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}
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func NewConfig(raws ...interface{}) (*Config, []string, error) {
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c := new(Config)
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md, err := common.DecodeConfig(c, raws...)
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if err != nil {
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return nil, nil, err
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}
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c.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return nil, nil, err
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}
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c.tpl.UserVars = c.PackerUserVars
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if c.VMName == "" {
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c.VMName = fmt.Sprintf("packer-%s-{{timestamp}}", c.PackerBuildName)
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}
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// Prepare the errors
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errs := common.CheckUnusedConfig(md)
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errs = packer.MultiErrorAppend(errs, c.FloppyConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.OutputConfig.Prepare(c.tpl, &c.PackerConfig)...)
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errs = packer.MultiErrorAppend(errs, c.PrlctlConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.PrlctlVersionConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.RunConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(c.tpl)...)
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errs = packer.MultiErrorAppend(errs, c.ToolsConfig.Prepare(c.tpl)...)
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templates := map[string]*string{
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"source_path": &c.SourcePath,
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"vm_name": &c.VMName,
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}
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for n, ptr := range templates {
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var err error
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*ptr, err = c.tpl.Process(*ptr, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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for i, command := range c.BootCommand {
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if err := c.tpl.Validate(command); err != nil {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("Error processing boot_command[%d]: %s", i, err))
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}
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}
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if c.SourcePath == "" {
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errs = packer.MultiErrorAppend(errs, fmt.Errorf("source_path is required"))
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} else {
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if _, err := os.Stat(c.SourcePath); err != nil {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("source_path is invalid: %s", err))
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}
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}
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// Warnings
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var warnings []string
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if c.ShutdownCommand == "" {
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warnings = append(warnings,
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"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
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"will forcibly halt the virtual machine, which may result in data loss.")
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}
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// Check for any errors.
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if errs != nil && len(errs.Errors) > 0 {
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return nil, warnings, errs
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}
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return c, warnings, nil
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}
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