79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package common
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import (
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"errors"
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"fmt"
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"github.com/mitchellh/packer/packer"
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"text/template"
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)
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// These are the different valid mode values for "parallels_tools_mode" which
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// determine how guest additions are delivered to the guest.
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const (
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ParallelsToolsModeDisable string = "disable"
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ParallelsToolsModeAttach = "attach"
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ParallelsToolsModeUpload = "upload"
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)
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type ToolsConfig struct {
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ParallelsToolsFlavor string `mapstructure:"parallels_tools_flavor"`
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ParallelsToolsGuestPath string `mapstructure:"parallels_tools_guest_path"`
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ParallelsToolsMode string `mapstructure:"parallels_tools_mode"`
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}
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func (c *ToolsConfig) Prepare(t *packer.ConfigTemplate) []error {
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if c.ParallelsToolsMode == "" {
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c.ParallelsToolsMode = ParallelsToolsModeUpload
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}
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if c.ParallelsToolsGuestPath == "" {
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c.ParallelsToolsGuestPath = "prl-tools-{{.Flavor}}.iso"
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}
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templates := map[string]*string{
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"parallels_tools_flavor": &c.ParallelsToolsFlavor,
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"parallels_tools_mode": &c.ParallelsToolsMode,
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}
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var err error
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errs := make([]error, 0)
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for n, ptr := range templates {
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*ptr, err = t.Process(*ptr, nil)
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if err != nil {
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errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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if _, err := template.New("path").Parse(c.ParallelsToolsGuestPath); err != nil {
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errs = append(errs, fmt.Errorf("parallels_tools_guest_path invalid: %s", err))
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}
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validMode := false
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validModes := []string{
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ParallelsToolsModeDisable,
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ParallelsToolsModeAttach,
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ParallelsToolsModeUpload,
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}
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for _, mode := range validModes {
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if c.ParallelsToolsMode == mode {
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validMode = true
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break
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}
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}
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if !validMode {
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errs = append(errs,
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fmt.Errorf("parallels_tools_mode is invalid. Must be one of: %v",
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validModes))
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}
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if c.ParallelsToolsFlavor == "" {
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if c.ParallelsToolsMode != ParallelsToolsModeDisable {
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errs = append(errs, errors.New("parallels_tools_flavor must be specified."))
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}
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}
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return errs
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}
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