Using multiple OpenStack extensions that modify the server creation options in Gophercloud

multipleopts.go

import (
  "github.com/rackspace/gophercloud/openstack/compute/v2/servers"
  bfw "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/bootfromvolume"
  dc "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/diskconfig"
)

// 1. Base CreateOpts

baseOpts := servers.CreateOpts{
  Name: "servername",
  FlavorRef: "1",
  ImageRef: "ubuntu-or-something",
}

// 2. BFV

bfvOpts := bfv.CreateOptsExt{
  CreateOptsBuilder: baseOpts, // Stack it on
  BlockDevice: []bfv.BlockDevice{
    SourceType: "volume",
    UUID: "my-volume-id",
  }
}

// 3. DiskConfig

dcOpts := dc.CreateOptsExt{
  CreateOptsBuilder: bfvOpts,
  DiskConfig: dc.Auto,
}

// 4. :rocket:

server, err := servers.Create(serviceClient, dcOpts).Extract()