github.com/makyo/juju@v0.0.0-20160425123129-2608902037e9/provider/gce/userdata.go (about)

     1  // Copyright 2015 Canonical Ltd.
     2  // Copyright 2015 Cloudbase Solutions SRL
     3  // Licensed under the AGPLv3, see LICENCE file for details.
     4  
     5  package gce
     6  
     7  import (
     8  	"github.com/juju/errors"
     9  	"github.com/juju/utils"
    10  	jujuos "github.com/juju/utils/os"
    11  
    12  	"github.com/juju/juju/cloudconfig/cloudinit"
    13  	"github.com/juju/juju/cloudconfig/providerinit/renderers"
    14  )
    15  
    16  type GCERenderer struct{}
    17  
    18  func (GCERenderer) Render(cfg cloudinit.CloudConfig, os jujuos.OSType) ([]byte, error) {
    19  	switch os {
    20  	case jujuos.Ubuntu, jujuos.CentOS:
    21  		return renderers.RenderYAML(cfg, utils.Gzip, renderers.ToBase64)
    22  	case jujuos.Windows:
    23  		return renderers.RenderYAML(cfg, renderers.WinEmbedInScript)
    24  	default:
    25  		return nil, errors.Errorf("Cannot encode userdata for OS: %s", os.String())
    26  	}
    27  }
    28  
    29  // The hostname on windows GCE instances is taken from
    30  // the instance id. This is bad because windows only
    31  // uses the first 15 characters in certain instances,
    32  // which are not unique for the GCE provider.
    33  // As a result, we have to send this small script as
    34  // a sysprep script, to change the hostname inside
    35  // the sysprep step, simplyfing the userdata and
    36  // saving a reboot
    37  var winSetHostnameScript = `
    38  Rename-Computer %q
    39  `