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package openstack
import (
"fmt"
"log"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"github.com/rackspace/gophercloud/openstack/compute/v2/extensions"
"github.com/rackspace/gophercloud/pagination"
)
// StepLoadExtensions gets the FlavorRef from a Flavor. It first assumes
// that the Flavor is a ref and verifies it. Otherwise, it tries to find
// the flavor by name.
type StepLoadExtensions struct{}
func (s *StepLoadExtensions) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(Config)
ui := state.Get("ui").(packer.Ui)
// We need the v2 compute client
client, err := config.computeV2Client()
if err != nil {
err = fmt.Errorf("Error initializing compute client: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
ui.Say("Discovering enabled extensions...")
result := make(map[string]struct{}, 15)
pager := extensions.List(client)
err = pager.EachPage(func(p pagination.Page) (bool, error) {
// Extract the extensions from this page
exts, err := extensions.ExtractExtensions(p)
if err != nil {
return false, err
}
for _, ext := range exts {
log.Printf("[DEBUG] Discovered extension: %s", ext.Alias)
result[ext.Alias] = struct{}{}
}
return true, nil
})
if err != nil {
err = fmt.Errorf("Error loading extensions: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
state.Put("extensions", result)
return multistep.ActionContinue
}
func (s *StepLoadExtensions) Cleanup(state multistep.StateBag) {
}
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