forked from pleschev/packer
/
shutdown_config.go
42 lines (34 loc) · 933 Bytes
/
shutdown_config.go
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package common
import (
"fmt"
"github.com/mitchellh/packer/packer"
"time"
)
type ShutdownConfig struct {
ShutdownCommand string `mapstructure:"shutdown_command"`
RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
ShutdownTimeout time.Duration ``
}
func (c *ShutdownConfig) Prepare(t *packer.ConfigTemplate) []error {
if c.RawShutdownTimeout == "" {
c.RawShutdownTimeout = "5m"
}
templates := map[string]*string{
"shutdown_command": &c.ShutdownCommand,
"shutdown_timeout": &c.RawShutdownTimeout,
}
errs := make([]error, 0)
for n, ptr := range templates {
var err error
*ptr, err = t.Process(*ptr, nil)
if err != nil {
errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
}
}
var err error
c.ShutdownTimeout, err = time.ParseDuration(c.RawShutdownTimeout)
if err != nil {
errs = append(errs, fmt.Errorf("Failed parsing shutdown_timeout: %s", err))
}
return errs
}