packer-cn/builder/openstack/run_config.go

78 lines
2.0 KiB
Go

package openstack
import (
"errors"
"fmt"
"time"
"github.com/mitchellh/packer/template/interpolate"
)
// RunConfig contains configuration for running an instance from a source
// image and details on how to access that launched image.
type RunConfig struct {
SourceImage string `mapstructure:"source_image"`
Flavor string `mapstructure:"flavor"`
RawSSHTimeout string `mapstructure:"ssh_timeout"`
SSHUsername string `mapstructure:"ssh_username"`
SSHPort int `mapstructure:"ssh_port"`
SSHInterface string `mapstructure:"ssh_interface"`
RackconnectWait bool `mapstructure:"rackconnect_wait"`
FloatingIpPool string `mapstructure:"floating_ip_pool"`
FloatingIp string `mapstructure:"floating_ip"`
SecurityGroups []string `mapstructure:"security_groups"`
Networks []string `mapstructure:"networks"`
// Not really used, but here for BC
OpenstackProvider string `mapstructure:"openstack_provider"`
UseFloatingIp bool `mapstructure:"use_floating_ip"`
// Unexported fields that are calculated from others
sshTimeout time.Duration
}
func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
// Defaults
if c.SSHUsername == "" {
c.SSHUsername = "root"
}
if c.SSHPort == 0 {
c.SSHPort = 22
}
if c.RawSSHTimeout == "" {
c.RawSSHTimeout = "5m"
}
if c.UseFloatingIp && c.FloatingIpPool == "" {
c.FloatingIpPool = "public"
}
// Validation
var err error
errs := make([]error, 0)
if c.SourceImage == "" {
errs = append(errs, errors.New("A source_image must be specified"))
}
if c.Flavor == "" {
errs = append(errs, errors.New("A flavor must be specified"))
}
if c.SSHUsername == "" {
errs = append(errs, errors.New("An ssh_username must be specified"))
}
c.sshTimeout, err = time.ParseDuration(c.RawSSHTimeout)
if err != nil {
errs = append(errs, fmt.Errorf("Failed parsing ssh_timeout: %s", err))
}
return errs
}
func (c *RunConfig) SSHTimeout() time.Duration {
return c.sshTimeout
}