package common import ( "errors" "fmt" "time" "github.com/mitchellh/packer/packer" ) type RunConfig struct { Headless bool `mapstructure:"headless"` RawBootWait string `mapstructure:"boot_wait"` HTTPDir string `mapstructure:"http_directory"` HTTPPortMin uint `mapstructure:"http_port_min"` HTTPPortMax uint `mapstructure:"http_port_max"` VNCPortMin uint `mapstructure:"vnc_port_min"` VNCPortMax uint `mapstructure:"vnc_port_max"` BootWait time.Duration `` } func (c *RunConfig) Prepare(t *packer.ConfigTemplate) []error { if c.RawBootWait == "" { c.RawBootWait = "10s" } if c.HTTPPortMin == 0 { c.HTTPPortMin = 8000 } if c.HTTPPortMax == 0 { c.HTTPPortMax = 9000 } if c.VNCPortMin == 0 { c.VNCPortMin = 5900 } if c.VNCPortMax == 0 { c.VNCPortMax = 6000 } templates := map[string]*string{ "boot_wait": &c.RawBootWait, "http_directory": &c.HTTPDir, } var err error errs := make([]error, 0) for n, ptr := range templates { *ptr, err = t.Process(*ptr, nil) if err != nil { errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err)) } } if c.RawBootWait != "" { c.BootWait, err = time.ParseDuration(c.RawBootWait) if err != nil { errs = append( errs, fmt.Errorf("Failed parsing boot_wait: %s", err)) } } if c.HTTPPortMin > c.HTTPPortMax { errs = append(errs, errors.New("http_port_min must be less than http_port_max")) } if c.VNCPortMin > c.VNCPortMax { errs = append( errs, fmt.Errorf("vnc_port_min must be less than vnc_port_max")) } return errs }