github.com/daniellockard/packer@v0.7.6-0.20141210173435-5a9390934716/builder/vmware/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  	VNCPortMin uint `mapstructure:"vnc_port_min"`
    20  	VNCPortMax uint `mapstructure:"vnc_port_max"`
    21  
    22  	BootWait time.Duration ``
    23  }
    24  
    25  func (c *RunConfig) Prepare(t *packer.ConfigTemplate) []error {
    26  	if c.RawBootWait == "" {
    27  		c.RawBootWait = "10s"
    28  	}
    29  
    30  	if c.HTTPPortMin == 0 {
    31  		c.HTTPPortMin = 8000
    32  	}
    33  
    34  	if c.HTTPPortMax == 0 {
    35  		c.HTTPPortMax = 9000
    36  	}
    37  
    38  	if c.VNCPortMin == 0 {
    39  		c.VNCPortMin = 5900
    40  	}
    41  
    42  	if c.VNCPortMax == 0 {
    43  		c.VNCPortMax = 6000
    44  	}
    45  
    46  	templates := map[string]*string{
    47  		"boot_wait":      &c.RawBootWait,
    48  		"http_directory": &c.HTTPDir,
    49  	}
    50  
    51  	var err error
    52  	errs := make([]error, 0)
    53  	for n, ptr := range templates {
    54  		*ptr, err = t.Process(*ptr, nil)
    55  		if err != nil {
    56  			errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
    57  		}
    58  	}
    59  
    60  	if c.RawBootWait != "" {
    61  		c.BootWait, err = time.ParseDuration(c.RawBootWait)
    62  		if err != nil {
    63  			errs = append(
    64  				errs, fmt.Errorf("Failed parsing boot_wait: %s", err))
    65  		}
    66  	}
    67  
    68  	if c.HTTPPortMin > c.HTTPPortMax {
    69  		errs = append(errs,
    70  			errors.New("http_port_min must be less than http_port_max"))
    71  	}
    72  
    73  	if c.VNCPortMin > c.VNCPortMax {
    74  		errs = append(
    75  			errs, fmt.Errorf("vnc_port_min must be less than vnc_port_max"))
    76  	}
    77  
    78  	return errs
    79  }