github.com/altoros/juju-vmware@v0.0.0-20150312064031-f19ae857ccca/provider/azure/customdata.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package azure
     5  
     6  import (
     7  	"encoding/base64"
     8  	"fmt"
     9  
    10  	"github.com/juju/juju/environs"
    11  	"github.com/juju/juju/environs/cloudinit"
    12  )
    13  
    14  // makeCustomData produces custom data for Azure.  This is a base64-encoded
    15  // zipfile of cloudinit userdata.
    16  func makeCustomData(cfg *cloudinit.MachineConfig) (string, error) {
    17  	zipData, err := environs.ComposeUserData(cfg, nil)
    18  	if err != nil {
    19  		return "", fmt.Errorf("failure while generating custom data: %v", err)
    20  	}
    21  	logger.Debugf("user data; %d bytes", len(zipData))
    22  	encodedData := base64.StdEncoding.EncodeToString(zipData)
    23  	logger.Debugf("base64-encoded custom data: %d bytes", len(encodedData))
    24  	return encodedData, nil
    25  }