// V2EndpointURL discovers the endpoint URL for a specific service from a ServiceCatalog acquired
// during the v2 identity service. The specified EndpointOpts are used to identify a unique,
// unambiguous endpoint to return. It's an error both when multiple endpoints match the provided
// criteria and when none do. The minimum that can be specified is a Type, but you will also often
// need to specify a Name and/or a Region depending on what's available on your OpenStack
// deployment.
func V2EndpointURL(catalog *tokens2.ServiceCatalog, opts gophercloud.EndpointOpts) (string, error) {
	// Extract Endpoints from the catalog entries that match the requested Type, Name if provided, and Region if provided.
	var endpoints = make([]tokens2.Endpoint, 0, 1)
	for _, entry := range catalog.Entries {
		if (entry.Type == opts.Type) && (opts.Name == "" || entry.Name == opts.Name) {
			for _, endpoint := range entry.Endpoints {
				if opts.Region == "" || endpoint.Region == opts.Region {
					endpoints = append(endpoints, endpoint)
				}
			}
		}
	}

	// Report an error if the options were ambiguous.
	if len(endpoints) > 1 {
		err := &ErrMultipleMatchingEndpointsV2{}
		err.Endpoints = endpoints
		return "", err
	}

	// Extract the appropriate URL from the matching Endpoint.
	for _, endpoint := range endpoints {
		switch opts.Availability {
		case gophercloud.AvailabilityPublic:
			return gophercloud.NormalizeURL(endpoint.PublicURL), nil
		case gophercloud.AvailabilityInternal:
			return gophercloud.NormalizeURL(endpoint.InternalURL), nil
		case gophercloud.AvailabilityAdmin:
			return gophercloud.NormalizeURL(endpoint.AdminURL), nil
		default:
			err := &ErrInvalidAvailabilityProvided{}
			err.Argument = "Availability"
			err.Value = opts.Availability
			return "", err
		}
	}

	// Report an error if there were no matching endpoints.
	err := &gophercloud.ErrEndpointNotFound{}
	return "", err
}
Beispiel #2
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func TestNormalizeURL(t *testing.T) {
	urls := []string{
		"NoSlashAtEnd",
		"SlashAtEnd/",
	}
	expected := []string{
		"NoSlashAtEnd/",
		"SlashAtEnd/",
	}
	for i := 0; i < len(expected); i++ {
		th.CheckEquals(t, expected[i], gophercloud.NormalizeURL(urls[i]))
	}

}
Beispiel #3
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// NewClient prepares an unauthenticated ProviderClient instance.
// Most users will probably prefer using the AuthenticatedClient function instead.
// This is useful if you wish to explicitly control the version of the identity service that's used for authentication explicitly,
// for example.
func NewClient(endpoint string) (*gophercloud.ProviderClient, error) {
	u, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	hadPath := u.Path != ""
	u.Path, u.RawQuery, u.Fragment = "", "", ""
	base := u.String()

	endpoint = gophercloud.NormalizeURL(endpoint)
	base = gophercloud.NormalizeURL(base)

	if hadPath {
		return &gophercloud.ProviderClient{
			IdentityBase:     base,
			IdentityEndpoint: endpoint,
		}, nil
	}

	return &gophercloud.ProviderClient{
		IdentityBase:     base,
		IdentityEndpoint: "",
	}, nil
}
Beispiel #4
0
// NewObjectStorageV1 creates a Swauth-authenticated *gophercloud.ServiceClient
// client that can issue ObjectStorage-based API calls.
func NewObjectStorageV1(pc *gophercloud.ProviderClient, authOpts AuthOpts) (*gophercloud.ServiceClient, error) {
	auth, err := Auth(pc, authOpts).Extract()
	if err != nil {
		return nil, err
	}

	swiftClient := &gophercloud.ServiceClient{
		ProviderClient: pc,
		Endpoint:       gophercloud.NormalizeURL(auth.StorageURL),
	}

	swiftClient.TokenID = auth.Token

	return swiftClient, nil
}
// V3EndpointURL discovers the endpoint URL for a specific service from a Catalog acquired
// during the v3 identity service. The specified EndpointOpts are used to identify a unique,
// unambiguous endpoint to return. It's an error both when multiple endpoints match the provided
// criteria and when none do. The minimum that can be specified is a Type, but you will also often
// need to specify a Name and/or a Region depending on what's available on your OpenStack
// deployment.
func V3EndpointURL(catalog *tokens3.ServiceCatalog, opts gophercloud.EndpointOpts) (string, error) {
	// Extract Endpoints from the catalog entries that match the requested Type, Interface,
	// Name if provided, and Region if provided.
	var endpoints = make([]tokens3.Endpoint, 0, 1)
	for _, entry := range catalog.Entries {
		if (entry.Type == opts.Type) && (opts.Name == "" || entry.Name == opts.Name) {
			for _, endpoint := range entry.Endpoints {
				if opts.Availability != gophercloud.AvailabilityAdmin &&
					opts.Availability != gophercloud.AvailabilityPublic &&
					opts.Availability != gophercloud.AvailabilityInternal {
					err := &ErrInvalidAvailabilityProvided{}
					err.Argument = "Availability"
					err.Value = opts.Availability
					return "", err
				}
				if (opts.Availability == gophercloud.Availability(endpoint.Interface)) &&
					(opts.Region == "" || endpoint.Region == opts.Region) {
					endpoints = append(endpoints, endpoint)
				}
			}
		}
	}

	// Report an error if the options were ambiguous.
	if len(endpoints) > 1 {
		return "", ErrMultipleMatchingEndpointsV3{Endpoints: endpoints}
	}

	// Extract the URL from the matching Endpoint.
	for _, endpoint := range endpoints {
		return gophercloud.NormalizeURL(endpoint.URL), nil
	}

	// Report an error if there were no matching endpoints.
	err := &gophercloud.ErrEndpointNotFound{}
	return "", err
}