// newCollector creates and initializes instance of collector. Error is returned
// when either authentication or endpoint retrieval failed.
func newCollector(config Config) (collectorInterface, error) {
auth := gophercloud.AuthOptions{
IdentityEndpoint: config.Url,
Username: config.User,
Password: config.Pass,
TenantName: config.Tenant,
AllowReauth: true,
}
self := &collector{
NovaCache: CachedNovas{},
Auth: auth,
config: config,
}
provider, err := openstack.AuthenticatedClient(auth)
if err != nil {
return nil, fmt.Errorf("cannot authenticate: (%v)", err)
}
_, err = self.NovaCache.Get(auth, config.Tenant, provider)
if err != nil {
return nil, err
}
client, err := openstack.NewIdentityV2(provider, gophercloud.EndpointOpts{})
if err != nil {
return nil, fmt.Errorf("retrieving identity service failed: (%v)", err)
}
self.Keystone = client
return self, nil
}
func NewOpenStack(config io.Reader) (*OpenStack, error) {
var cfg Config
err := gcfg.ReadInto(&cfg, config)
if err != nil {
glog.Warning("Failed to parse openstack configure file: %v", err)
return nil, err
}
provider, err := openstack.AuthenticatedClient(cfg.toAuthOptions())
if err != nil {
glog.Warning("Failed to auth openstack: %v", err)
return nil, err
}
identity, err := openstack.NewIdentityV2(provider, gophercloud.EndpointOpts{
Availability: gophercloud.AvailabilityAdmin,
})
if err != nil {
glog.Warning("Failed to find identity endpoint")
return nil, err
}
network, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
Region: cfg.Global.Region,
})
if err != nil {
glog.Warning("Failed to find neutron endpoint: %v", err)
return nil, err
}
os := OpenStack{
identity: identity,
network: network,
provider: provider,
region: cfg.Global.Region,
lbOpts: cfg.LoadBalancer,
pluginOpts: cfg.Plugin,
ExtNetID: cfg.Global.ExtNetID,
}
// init plugin
if cfg.Plugin.PluginName != "" {
integrationBriage := "br-int"
if cfg.Plugin.IntegrationBridge != "" {
integrationBriage = cfg.Plugin.IntegrationBridge
}
plugin, _ := plugins.GetNetworkPlugin(cfg.Plugin.PluginName)
if plugin != nil {
plugin.Init(integrationBriage)
os.Plugin = plugin
}
}
return &os, nil
}
// NewIdentityV2UnauthenticatedClient returns an unauthenticated *ServiceClient
// for the OpenStack Identity v2 API. An error will be returned if
// authentication or client creation was not possible.
func NewIdentityV2UnauthenticatedClient() (*gophercloud.ServiceClient, error) {
ao, err := openstack.AuthOptionsFromEnv()
if err != nil {
return nil, err
}
client, err := openstack.NewClient(ao.IdentityEndpoint)
if err != nil {
return nil, err
}
return openstack.NewIdentityV2(client, gophercloud.EndpointOpts{})
}
// NewIdentityV2Client returns a *ServiceClient for making calls
// to the OpenStack Identity v2 API. An error will be returned
// if authentication or client creation was not possible.
func NewIdentityV2Client() (*gophercloud.ServiceClient, error) {
ao, err := openstack.AuthOptionsFromEnv()
if err != nil {
return nil, err
}
client, err := openstack.AuthenticatedClient(ao)
if err != nil {
return nil, err
}
return openstack.NewIdentityV2(client, gophercloud.EndpointOpts{
Region: os.Getenv("OS_REGION_NAME"),
})
}