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run_config.go
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/
run_config.go
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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
}