Files
kubernetes/pkg/cloudprovider/openstack/openstack.go

105 lines
2.5 KiB
Go

/*
Copyright 2014 Google Inc. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package openstack
import (
"fmt"
"io"
"code.google.com/p/gcfg"
"github.com/rackspace/gophercloud"
"github.com/GoogleCloudPlatform/kubernetes/pkg/cloudprovider"
)
// OpenStack is an implementation of cloud provider Interface for OpenStack.
type OpenStack struct {
provider string
authOpt gophercloud.AuthOptions
region string
access *gophercloud.Access
}
type Config struct {
Global struct {
AuthUrl string
Username, Password string
ApiKey string
TenantId, TenantName string
Region string
}
}
func init() {
cloudprovider.RegisterCloudProvider("openstack", func(config io.Reader) (cloudprovider.Interface, error) {
cfg, err := readConfig(config)
if err != nil {
return nil, err
}
return newOpenStack(cfg)
})
}
func (cfg Config) toAuthOptions() gophercloud.AuthOptions {
return gophercloud.AuthOptions{
Username: cfg.Global.Username,
Password: cfg.Global.Password,
ApiKey: cfg.Global.ApiKey,
TenantId: cfg.Global.TenantId,
TenantName: cfg.Global.TenantName,
// Persistent service, so we need to be able to renew tokens
AllowReauth: true,
}
}
func readConfig(config io.Reader) (Config, error) {
if config == nil {
err := fmt.Errorf("No OpenStack cloud provider config file given")
return Config{}, err
}
var cfg Config
err := gcfg.ReadInto(&cfg, config)
return cfg, err
}
func newOpenStack(cfg Config) (*OpenStack, error) {
os := OpenStack{
provider: cfg.Global.AuthUrl,
authOpt: cfg.toAuthOptions(),
region: cfg.Global.Region,
}
access, err := gophercloud.Authenticate(os.provider, os.authOpt)
os.access = access
return &os, err
}
func (os *OpenStack) TCPLoadBalancer() (cloudprovider.TCPLoadBalancer, bool) {
return nil, false
}
func (os *OpenStack) Instances() (cloudprovider.Instances, bool) {
return nil, false
}
func (os *OpenStack) Zones() (cloudprovider.Zones, bool) {
return nil, false
}