packer-cn/builder/openstack/run_config.go

73 lines
2.7 KiB
Go

package openstack
import (
"errors"
"fmt"
"github.com/mitchellh/packer/helper/communicator"
"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 {
Comm communicator.Config `mapstructure:",squash"`
SSHKeyPairName string `mapstructure:"ssh_keypair_name"`
SSHInterface string `mapstructure:"ssh_interface"`
SSHIPVersion string `mapstructure:"ssh_ip_version"`
SourceImage string `mapstructure:"source_image"`
SourceImageName string `mapstructure:"source_image_name"`
Flavor string `mapstructure:"flavor"`
AvailabilityZone string `mapstructure:"availability_zone"`
RackconnectWait bool `mapstructure:"rackconnect_wait"`
FloatingIpPool string `mapstructure:"floating_ip_pool"`
FloatingIp string `mapstructure:"floating_ip"`
ReuseIps bool `mapstructure:"reuse_ips"`
SecurityGroups []string `mapstructure:"security_groups"`
Networks []string `mapstructure:"networks"`
UserData string `mapstructure:"user_data"`
UserDataFile string `mapstructure:"user_data_file"`
InstanceMetadata map[string]string `mapstructure:"instance_metadata"`
ConfigDrive bool `mapstructure:"config_drive"`
// Not really used, but here for BC
OpenstackProvider string `mapstructure:"openstack_provider"`
UseFloatingIp bool `mapstructure:"use_floating_ip"`
}
func (c *RunConfig) Prepare(ctx *interpolate.Context) []error {
if c.UseFloatingIp && c.FloatingIpPool == "" {
c.FloatingIpPool = "public"
}
// Validation
errs := c.Comm.Prepare(ctx)
if c.SourceImage == "" && c.SourceImageName == "" {
errs = append(errs, errors.New("Either a source_image or a source_image_name must be specified"))
} else if len(c.SourceImage) > 0 && len(c.SourceImageName) > 0 {
errs = append(errs, errors.New("Only a source_image or a source_image_name can be specified, not both."))
}
if c.Flavor == "" {
errs = append(errs, errors.New("A flavor must be specified"))
}
if c.SSHIPVersion != "" && c.SSHIPVersion != "4" && c.SSHIPVersion != "6" {
errs = append(errs, errors.New("SSH IP version must be either 4 or 6"))
}
for key, value := range c.InstanceMetadata {
if len(key) > 255 {
errs = append(errs, fmt.Errorf("Instance metadata key too long (max 255 bytes): %s", key))
}
if len(value) > 255 {
errs = append(errs, fmt.Errorf("Instance metadata value too long (max 255 bytes): %s", value))
}
}
return errs
}