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openstack.go
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openstack.go
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package openstack
import (
"bytes"
"fmt"
"github.com/go-ini/ini"
v3 "github.com/rancher/rke/types"
)
const (
OpenstackCloudProviderName = "openstack"
)
type CloudProvider struct {
Config *v3.OpenstackCloudProvider
Name string
}
func GetInstance() *CloudProvider {
return &CloudProvider{}
}
func (p *CloudProvider) Init(cloudProviderConfig v3.CloudProvider) error {
if cloudProviderConfig.OpenstackCloudProvider == nil {
return fmt.Errorf("Openstack Cloud Provider Config is empty")
}
p.Name = OpenstackCloudProviderName
if cloudProviderConfig.Name != "" {
p.Name = cloudProviderConfig.Name
}
p.Config = cloudProviderConfig.OpenstackCloudProvider
return nil
}
func (p *CloudProvider) GetName() string {
return p.Name
}
func (p *CloudProvider) GenerateCloudConfigFile() (string, error) {
// Generate INI style configuration
buf := new(bytes.Buffer)
cloudConfig, _ := ini.LoadSources(ini.LoadOptions{IgnoreInlineComment: true}, []byte(""))
if err := ini.ReflectFrom(cloudConfig, p.Config); err != nil {
return "", fmt.Errorf("Failed to parse Openstack cloud config")
}
if _, err := cloudConfig.WriteTo(buf); err != nil {
return "", err
}
return buf.String(), nil
}