// CreateGceManager constructs gceManager object.
func CreateGceManager(migs []*config.MigConfig, configReader io.Reader) (*GceManager, error) {
// Create Google Compute Engine token.
tokenSource := google.ComputeTokenSource("")
if configReader != nil {
var cfg provider_gce.Config
if err := gcfg.ReadInto(&cfg, configReader); err != nil {
glog.Errorf("Couldn't read config: %v", err)
return nil, err
}
if cfg.Global.TokenURL == "" {
glog.Warning("Empty tokenUrl in cloud config")
} else {
glog.Infof("Using TokenSource from config %#v", tokenSource)
tokenSource = provider_gce.NewAltTokenSource(cfg.Global.TokenURL, cfg.Global.TokenBody)
}
} else {
glog.Infof("Using default TokenSource %#v", tokenSource)
}
// Create Google Compute Engine service.
client := oauth2.NewClient(oauth2.NoContext, tokenSource)
gceService, err := gce.New(client)
if err != nil {
return nil, err
}
migInfos := make([]*migInformation, 0, len(migs))
for _, mig := range migs {
migInfos = append(migInfos, &migInformation{
config: mig,
})
}
manager := &GceManager{
migs: migInfos,
service: gceService,
migCache: map[config.InstanceConfig]*config.MigConfig{},
}
go wait.Forever(func() { manager.regenerateCacheIgnoreError() }, time.Hour)
return manager, nil
}
// newCloudDns creates a new instance of a Google Cloud DNS Interface.
func newCloudDns(config io.Reader) (*Interface, error) {
projectID, _ := metadata.ProjectID() // On error we get an empty string, which is fine for now.
var tokenSource oauth2.TokenSource
// Possibly override defaults with config below
if config != nil {
var cfg Config
if err := gcfg.ReadInto(&cfg, config); err != nil {
glog.Errorf("Couldn't read config: %v", err)
return nil, err
}
glog.Infof("Using Google Cloud DNS provider config %+v", cfg)
if cfg.Global.ProjectID != "" {
projectID = cfg.Global.ProjectID
}
if cfg.Global.TokenURL != "" {
tokenSource = gce.NewAltTokenSource(cfg.Global.TokenURL, cfg.Global.TokenBody)
}
}
return CreateInterface(projectID, tokenSource)
}
// CreateGceManager constructs gceManager object.
func CreateGceManager(configReader io.Reader) (*GceManager, error) {
// Create Google Compute Engine token.
tokenSource := google.ComputeTokenSource("")
if configReader != nil {
var cfg provider_gce.Config
if err := gcfg.ReadInto(&cfg, configReader); err != nil {
glog.Errorf("Couldn't read config: %v", err)
return nil, err
}
if cfg.Global.TokenURL == "" {
glog.Warning("Empty tokenUrl in cloud config")
} else {
glog.Infof("Using TokenSource from config %#v", tokenSource)
tokenSource = provider_gce.NewAltTokenSource(cfg.Global.TokenURL, cfg.Global.TokenBody)
}
} else {
glog.Infof("Using default TokenSource %#v", tokenSource)
}
// Create Google Compute Engine service.
client := oauth2.NewClient(oauth2.NoContext, tokenSource)
gceService, err := gce.New(client)
if err != nil {
return nil, err
}
manager := &GceManager{
migs: make([]*migInformation, 0),
service: gceService,
migCache: make(map[GceRef]*Mig),
}
go wait.Forever(func() {
manager.cacheMutex.Lock()
defer manager.cacheMutex.Unlock()
if err := manager.regenerateCache(); err != nil {
glog.Errorf("Error while regenerating Mig cache: %v", err)
}
}, time.Hour)
return manager, nil
}