// Auth returns a valid Auth object for access to openstack services, or
// an error if the authentication couldn't be resolved.
func (c *AccessConfig) Auth() (gophercloud.AccessProvider, error) {
c.Username = common.ChooseString(c.Username, os.Getenv("SDK_USERNAME"), os.Getenv("OS_USERNAME"))
c.Password = common.ChooseString(c.Password, os.Getenv("SDK_PASSWORD"), os.Getenv("OS_PASSWORD"))
c.ApiKey = common.ChooseString(c.ApiKey, os.Getenv("SDK_API_KEY"))
c.Project = common.ChooseString(c.Project, os.Getenv("SDK_PROJECT"), os.Getenv("OS_TENANT_NAME"))
c.Provider = common.ChooseString(c.Provider, os.Getenv("SDK_PROVIDER"), os.Getenv("OS_AUTH_URL"))
c.RawRegion = common.ChooseString(c.RawRegion, os.Getenv("SDK_REGION"), os.Getenv("OS_REGION_NAME"))
c.TenantId = common.ChooseString(c.TenantId, os.Getenv("OS_TENANT_ID"))
// OpenStack's auto-generated openrc.sh files do not append the suffix
// /tokens to the authentication URL. This ensures it is present when
// specifying the URL.
if strings.Contains(c.Provider, "://") && !strings.HasSuffix(c.Provider, "/tokens") {
c.Provider += "/tokens"
}
authoptions := gophercloud.AuthOptions{
AllowReauth: true,
ApiKey: c.ApiKey,
TenantId: c.TenantId,
TenantName: c.Project,
Username: c.Username,
Password: c.Password,
}
default_transport := &http.Transport{}
if c.Insecure {
cfg := new(tls.Config)
cfg.InsecureSkipVerify = true
default_transport.TLSClientConfig = cfg
}
// For corporate networks it may be the case where we want our API calls
// to be sent through a separate HTTP proxy than external traffic.
if c.ProxyUrl != "" {
url, err := url.Parse(c.ProxyUrl)
if err != nil {
return nil, err
}
// The gophercloud.Context has a UseCustomClient method which
// would allow us to override with a new instance of http.Client.
default_transport.Proxy = http.ProxyURL(url)
}
if c.Insecure || c.ProxyUrl != "" {
http.DefaultTransport = default_transport
}
return gophercloud.Authenticate(c.Provider, authoptions)
}
func (c *AccessConfig) Region() string {
return common.ChooseString(c.RawRegion, os.Getenv("SDK_REGION"), os.Getenv("OS_REGION_NAME"))
}