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|
package bootcommand
import (
"fmt"
"strings"
"time"
"github.com/hashicorp/packer/template/interpolate"
)
type BootConfig struct {
RawBootGroupInterval string `mapstructure:"boot_keygroup_interval"`
RawBootWait string `mapstructure:"boot_wait"`
BootCommand []string `mapstructure:"boot_command"`
BootGroupInterval time.Duration ``
BootWait time.Duration ``
}
type VNCConfig struct {
BootConfig `mapstructure:",squash"`
DisableVNC bool `mapstructure:"disable_vnc"`
// time in ms to wait between each key press
RawBootKeyInterval string `mapstructure:"boot_key_interval"`
BootKeyInterval time.Duration ``
}
func (c *BootConfig) Prepare(ctx *interpolate.Context) (errs []error) {
if c.RawBootWait == "" {
c.RawBootWait = "10s"
}
if c.RawBootWait != "" {
bw, err := time.ParseDuration(c.RawBootWait)
if err != nil {
errs = append(
errs, fmt.Errorf("Failed parsing boot_wait: %s", err))
} else {
c.BootWait = bw
}
}
if c.RawBootGroupInterval == "" {
c.RawBootGroupInterval = "0ms"
}
if c.RawBootGroupInterval != "" {
bgi, err := time.ParseDuration(c.RawBootGroupInterval)
if err != nil {
errs = append(
errs, fmt.Errorf("Failed parsing boot_keygroup_interval: %s", err))
} else {
c.BootGroupInterval = bgi
}
}
if c.BootCommand != nil {
expSeq, err := GenerateExpressionSequence(c.FlatBootCommand())
if err != nil {
errs = append(errs, err)
} else if vErrs := expSeq.Validate(); vErrs != nil {
errs = append(errs, vErrs...)
}
}
return
}
func (c *BootConfig) FlatBootCommand() string {
return strings.Join(c.BootCommand, "")
}
func (c *VNCConfig) Prepare(ctx *interpolate.Context) (errs []error) {
if len(c.BootCommand) > 0 && c.DisableVNC {
errs = append(errs,
fmt.Errorf("A boot command cannot be used when vnc is disabled."))
}
if c.RawBootKeyInterval == "" {
c.RawBootKeyInterval = "0ms"
}
if c.RawBootKeyInterval != "" {
bki, err := time.ParseDuration(c.RawBootKeyInterval)
if err != nil {
errs = append(
errs, fmt.Errorf("Failed parsing boot_key_interval: %s", err))
} else {
c.BootKeyInterval = bki
}
}
errs = append(errs, c.BootConfig.Prepare(ctx)...)
return
}
|
