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userdata.go
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/
userdata.go
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// Copyright 2018 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package oci
import (
b64 "encoding/base64"
"github.com/juju/errors"
"github.com/DavinZhang/juju/cloudconfig/cloudinit"
"github.com/DavinZhang/juju/cloudconfig/providerinit/renderers"
jujuos "github.com/DavinZhang/juju/core/os"
)
// OCIRenderer implements the renderers.ProviderRenderer interface
type OCIRenderer struct{}
// Renderer is defined in the renderers.ProviderRenderer interface
func (OCIRenderer) Render(cfg cloudinit.CloudConfig, os jujuos.OSType) ([]byte, error) {
var renderedUdata []byte
var err error
switch os {
case jujuos.Ubuntu, jujuos.CentOS:
renderedUdata, err = renderers.RenderYAML(cfg)
default:
return nil, errors.Errorf("Cannot encode userdata for OS: %s", os.String())
}
if err != nil {
return nil, err
}
ret := b64.StdEncoding.EncodeToString(renderedUdata)
return []byte(ret), nil
}