func TestChooseVersionFromSuffix(t *testing.T) {
testhelper.SetupHTTP()
defer testhelper.TeardownHTTP()
v2 := &utils.Version{ID: "v2.0", Priority: 2, Suffix: "/v2.0/"}
v3 := &utils.Version{ID: "v3.0", Priority: 3, Suffix: "/v3.0/"}
c := &gophercloud.ProviderClient{
IdentityBase: testhelper.Endpoint(),
IdentityEndpoint: testhelper.Endpoint() + "v2.0/",
}
v, endpoint, err := utils.ChooseVersion(c, []*utils.Version{v2, v3})
if err != nil {
t.Fatalf("Unexpected error from ChooseVersion: %v", err)
}
if v != v2 {
t.Errorf("Expected %#v to win, but %#v did instead", v2, v)
}
expected := testhelper.Endpoint() + "v2.0/"
if endpoint != expected {
t.Errorf("Expected endpoint [%s], but was [%s] instead", expected, endpoint)
}
}
// Authenticate or re-authenticate against the most recent identity service supported at the provided endpoint.
func Authenticate(client *gophercloud.ProviderClient, options gophercloud.AuthOptions) error {
versions := []*utils.Version{
{ID: v20, Priority: 20, Suffix: "/v2.0/"},
{ID: v30, Priority: 30, Suffix: "/v3/"},
}
chosen, endpoint, err := utils.ChooseVersion(client, versions)
if err != nil {
return err
}
switch chosen.ID {
case v20:
return v2auth(client, endpoint, options, gophercloud.EndpointOpts{})
case v30:
return v3auth(client, endpoint, options, gophercloud.EndpointOpts{})
default:
// The switch statement must be out of date from the versions list.
return fmt.Errorf("Unrecognized identity version: %s", chosen.ID)
}
}