github.com/askholme/packer@v0.7.2-0.20140924152349-70d9566a6852/builder/virtualbox/common/run_config.go (about)

     1  package common
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"time"
     7  
     8  	"github.com/mitchellh/packer/packer"
     9  )
    10  
    11  type RunConfig struct {
    12  	Headless    bool   `mapstructure:"headless"`
    13  	RawBootWait string `mapstructure:"boot_wait"`
    14  
    15  	HTTPDir     string `mapstructure:"http_directory"`
    16  	HTTPPortMin uint   `mapstructure:"http_port_min"`
    17  	HTTPPortMax uint   `mapstructure:"http_port_max"`
    18  
    19  	BootWait time.Duration ``
    20  }
    21  
    22  func (c *RunConfig) Prepare(t *packer.ConfigTemplate) []error {
    23  	if c.RawBootWait == "" {
    24  		c.RawBootWait = "10s"
    25  	}
    26  
    27  	if c.HTTPPortMin == 0 {
    28  		c.HTTPPortMin = 8000
    29  	}
    30  
    31  	if c.HTTPPortMax == 0 {
    32  		c.HTTPPortMax = 9000
    33  	}
    34  
    35  	templates := map[string]*string{
    36  		"boot_wait":      &c.RawBootWait,
    37  		"http_directory": &c.HTTPDir,
    38  	}
    39  
    40  	errs := make([]error, 0)
    41  	for n, ptr := range templates {
    42  		var err error
    43  		*ptr, err = t.Process(*ptr, nil)
    44  		if err != nil {
    45  			errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
    46  		}
    47  	}
    48  
    49  	var err error
    50  	c.BootWait, err = time.ParseDuration(c.RawBootWait)
    51  	if err != nil {
    52  		errs = append(errs, fmt.Errorf("Failed parsing boot_wait: %s", err))
    53  	}
    54  
    55  	if c.HTTPPortMin > c.HTTPPortMax {
    56  		errs = append(errs,
    57  			errors.New("http_port_min must be less than http_port_max"))
    58  	}
    59  
    60  	return errs
    61  }