Merge pull request #198 from smashwilson/storage-consistency

Storage consistency
diff --git a/acceptance/openstack/identity/v3/pkg.go b/acceptance/openstack/identity/v3/pkg.go
new file mode 100644
index 0000000..d3b5573
--- /dev/null
+++ b/acceptance/openstack/identity/v3/pkg.go
@@ -0,0 +1,2 @@
+// Package v3 contains acceptance tests for identity v3 resources.
+package v3
diff --git a/acceptance/openstack/storage_test.go b/acceptance/openstack/storage_test.go
index 1cb3bad..833e5a3 100644
--- a/acceptance/openstack/storage_test.go
+++ b/acceptance/openstack/storage_test.go
@@ -4,36 +4,37 @@
 
 import (
 	"bytes"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/rackspace/gophercloud"
 	"github.com/rackspace/gophercloud/acceptance/tools"
-	storage "github.com/rackspace/gophercloud/openstack/storage/v1"
+	"github.com/rackspace/gophercloud/openstack"
 	"github.com/rackspace/gophercloud/openstack/storage/v1/accounts"
 	"github.com/rackspace/gophercloud/openstack/storage/v1/containers"
 	"github.com/rackspace/gophercloud/openstack/storage/v1/objects"
 	"github.com/rackspace/gophercloud/openstack/utils"
-	"os"
-	"strings"
-	"testing"
 )
 
 var metadata = map[string]string{"gopher": "cloud"}
 var numContainers = 2
 var numObjects = 2
 
-func newClient() (*storage.Client, error) {
+func newClient() (*gophercloud.ServiceClient, error) {
 	ao, err := utils.AuthOptions()
 	if err != nil {
 		return nil, err
 	}
 
-	client, err := utils.NewClient(ao, utils.EndpointOpts{
-		Region: os.Getenv("OS_REGION_NAME"),
-		Type:   "object-store",
-	})
+	client, err := openstack.AuthenticatedClient(ao)
 	if err != nil {
 		return nil, err
 	}
 
-	return storage.NewClient(client.Endpoint, client.Authority, client.Options), nil
+	return openstack.NewStorageV1(client, gophercloud.EndpointOpts{
+		Region: os.Getenv("OS_REGION_NAME"),
+	})
 }
 
 func TestAccount(t *testing.T) {
diff --git a/acceptance/tools/tools.go b/acceptance/tools/tools.go
index 5852650..396241c 100644
--- a/acceptance/tools/tools.go
+++ b/acceptance/tools/tools.go
@@ -10,7 +10,7 @@
 	"time"
 
 	"github.com/rackspace/gophercloud"
-	servers "github.com/rackspace/gophercloud/openstack/compute/v2/servers"
+	"github.com/rackspace/gophercloud/openstack/compute/v2/servers"
 	identity "github.com/rackspace/gophercloud/openstack/identity/v2"
 	"github.com/rackspace/gophercloud/openstack/utils"
 )
diff --git a/openstack/client.go b/openstack/client.go
index 7279bca..39d39a8 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -31,12 +31,8 @@
 	u.Path, u.RawQuery, u.Fragment = "", "", ""
 	base := u.String()
 
-	if !strings.HasSuffix(endpoint, "/") {
-		endpoint = endpoint + "/"
-	}
-	if !strings.HasSuffix(base, "/") {
-		base = base + "/"
-	}
+	endpoint = normalizeURL(endpoint)
+	base = normalizeURL(base)
 
 	if hadPath {
 		return &gophercloud.ProviderClient{
@@ -155,9 +151,9 @@
 	for _, endpoint := range endpoints {
 		switch opts.Availability {
 		case gophercloud.AvailabilityPublic:
-			return endpoint.PublicURL, nil
+			return normalizeURL(endpoint.PublicURL), nil
 		case gophercloud.AvailabilityInternal:
-			return endpoint.InternalURL, nil
+			return normalizeURL(endpoint.InternalURL), nil
 		default:
 			return "", fmt.Errorf("Unexpected availability in endpoint query: %s", opts.Availability)
 		}
@@ -195,11 +191,6 @@
 }
 
 func v3endpointLocator(v3Client *gophercloud.ServiceClient, opts gophercloud.EndpointOpts) (string, error) {
-	// Default Availability to InterfacePublic, if it isn't provided.
-	if opts.Availability == "" {
-		opts.Availability = gophercloud.AvailabilityPublic
-	}
-
 	// Discover the service we're interested in.
 	serviceResults, err := services3.List(v3Client, services3.ListOpts{ServiceType: opts.Type})
 	if err != nil {
@@ -264,7 +255,15 @@
 
 	endpoint := endpoints[0]
 
-	return endpoint.URL, nil
+	return normalizeURL(endpoint.URL), nil
+}
+
+// normalizeURL ensures that each endpoint URL has a closing `/`, as expected by ServiceClient.
+func normalizeURL(url string) string {
+	if !strings.HasSuffix(url, "/") {
+		return url + "/"
+	}
+	return url
 }
 
 // NewIdentityV2 creates a ServiceClient that may be used to interact with the v2 identity service.
diff --git a/openstack/storage/v1/accounts/requests.go b/openstack/storage/v1/accounts/requests.go
index 7b84497..d5b623a 100644
--- a/openstack/storage/v1/accounts/requests.go
+++ b/openstack/storage/v1/accounts/requests.go
@@ -1,20 +1,19 @@
 package accounts
 
 import (
-	"github.com/racker/perigee"
-	storage "github.com/rackspace/gophercloud/openstack/storage/v1"
 	"net/http"
+
+	"github.com/racker/perigee"
+	"github.com/rackspace/gophercloud"
 )
 
 // GetResult is a *http.Response that is returned from a call to the Get function.
 type GetResult *http.Response
 
 // Update is a function that creates, updates, or deletes an account's metadata.
-func Update(c *storage.Client, opts UpdateOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Update(c *gophercloud.ServiceClient, opts UpdateOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
+
 	for k, v := range opts.Headers {
 		h[k] = v
 	}
@@ -23,28 +22,25 @@
 		h["X-Account-Meta-"+k] = v
 	}
 
-	url := c.GetAccountURL()
-	_, err = perigee.Request("POST", url, perigee.Options{
+	_, err := perigee.Request("POST", getAccountURL(c), perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return err
 }
 
 // Get is a function that retrieves an account's metadata. To extract just the custom
 // metadata, pass the GetResult response to the ExtractMetadata function.
-func Get(c *storage.Client, opts GetOpts) (GetResult, error) {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+func Get(c *gophercloud.ServiceClient, opts GetOpts) (GetResult, error) {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
 	}
 
-	url := c.GetAccountURL()
-	resp, err := perigee.Request("HEAD", url, perigee.Options{
+	resp, err := perigee.Request("HEAD", getAccountURL(c), perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return &resp.HttpResponse, err
 }
diff --git a/openstack/storage/v1/accounts/urls.go b/openstack/storage/v1/accounts/urls.go
new file mode 100644
index 0000000..ae78ff2
--- /dev/null
+++ b/openstack/storage/v1/accounts/urls.go
@@ -0,0 +1,8 @@
+package accounts
+
+import "github.com/rackspace/gophercloud"
+
+// getAccountURL returns the URI for making Account requests.
+func getAccountURL(c *gophercloud.ServiceClient) string {
+	return c.Endpoint
+}
diff --git a/openstack/storage/v1/client.go b/openstack/storage/v1/client.go
deleted file mode 100644
index 51312eb..0000000
--- a/openstack/storage/v1/client.go
+++ /dev/null
@@ -1,70 +0,0 @@
-package v1
-
-import (
-	"fmt"
-
-	"github.com/rackspace/gophercloud"
-	identity "github.com/rackspace/gophercloud/openstack/identity/v2"
-)
-
-// Client is a structure that contains information for communicating with a provider.
-type Client struct {
-	endpoint  string
-	authority identity.AuthResults
-	options   gophercloud.AuthOptions
-	token     *identity.Token
-}
-
-// NewClient creates and returns a *Client.
-func NewClient(e string, a identity.AuthResults, o gophercloud.AuthOptions) *Client {
-	return &Client{
-		endpoint:  e,
-		authority: a,
-		options:   o,
-	}
-}
-
-// GetAccountURL returns the URI for making Account requests. This function is exported to allow
-// the 'Accounts' subpackage to use it. It is not meant for public consumption.
-func (c *Client) GetAccountURL() string {
-	return fmt.Sprintf("%s", c.endpoint)
-}
-
-// GetContainerURL returns the URI for making Container requests. This function is exported to allow
-// the 'Containers' subpackage to use it. It is not meant for public consumption.
-func (c *Client) GetContainerURL(container string) string {
-	return fmt.Sprintf("%s/%s", c.endpoint, container)
-}
-
-// GetObjectURL returns the URI for making Object requests. This function is exported to allow
-// the 'Objects' subpackage to use it. It is not meant for public consumption.
-func (c *Client) GetObjectURL(container, object string) string {
-	return fmt.Sprintf("%s/%s/%s", c.endpoint, container, object)
-}
-
-// GetHeaders is a function that gets the header for token authentication against a client's endpoint.
-// This function is exported to allow the subpackages to use it. It is not meant for public consumption.
-func (c *Client) GetHeaders() (map[string]string, error) {
-	t, err := c.getAuthToken()
-	if err != nil {
-		return map[string]string{}, err
-	}
-
-	return map[string]string{
-		"X-Auth-Token": t,
-	}, nil
-}
-
-// getAuthToken is a function that tries to retrieve an authentication token from a client's endpoint.
-func (c *Client) getAuthToken() (string, error) {
-	var err error
-
-	if c.token == nil {
-		c.token, err = identity.GetToken(c.authority)
-		if err != nil {
-			return "", err
-		}
-	}
-
-	return c.token.ID, err
-}
diff --git a/openstack/storage/v1/containers/requests.go b/openstack/storage/v1/containers/requests.go
index b6d3a89..0db691c 100644
--- a/openstack/storage/v1/containers/requests.go
+++ b/openstack/storage/v1/containers/requests.go
@@ -1,10 +1,11 @@
 package containers
 
 import (
-	"github.com/racker/perigee"
-	storage "github.com/rackspace/gophercloud/openstack/storage/v1"
-	"github.com/rackspace/gophercloud/openstack/utils"
 	"net/http"
+
+	"github.com/racker/perigee"
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/openstack/utils"
 )
 
 // ListResult is a *http.Response that is returned from a call to the List function.
@@ -16,13 +17,10 @@
 // List is a function that retrieves all objects in a container. It also returns the details
 // for the account. To extract just the container information or names, pass the ListResult
 // response to the ExtractInfo or ExtractNames function, respectively.
-func List(c *storage.Client, opts ListOpts) (ListResult, error) {
+func List(c *gophercloud.ServiceClient, opts ListOpts) (ListResult, error) {
 	contentType := ""
 
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+	h := c.Provider.AuthenticatedHeaders()
 
 	query := utils.BuildQuery(opts.Params)
 
@@ -30,22 +28,20 @@
 		contentType = "text/plain"
 	}
 
-	url := c.GetAccountURL() + query
+	url := getAccountURL(c) + query
 	resp, err := perigee.Request("GET", url, perigee.Options{
 		MoreHeaders: h,
 		Accept:      contentType,
+		OkCodes:     []int{200, 204},
 	})
 	return &resp.HttpResponse, err
 }
 
 // Create is a function that creates a new container.
-func Create(c *storage.Client, opts CreateOpts) (Container, error) {
+func Create(c *gophercloud.ServiceClient, opts CreateOpts) (Container, error) {
 	var ci Container
 
-	h, err := c.GetHeaders()
-	if err != nil {
-		return Container{}, err
-	}
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
@@ -55,9 +51,10 @@
 		h["X-Container-Meta-"+k] = v
 	}
 
-	url := c.GetContainerURL(opts.Name)
-	_, err = perigee.Request("PUT", url, perigee.Options{
+	url := getContainerURL(c, opts.Name)
+	_, err := perigee.Request("PUT", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{201, 204},
 	})
 	if err == nil {
 		ci = Container{
@@ -68,27 +65,22 @@
 }
 
 // Delete is a function that deletes a container.
-func Delete(c *storage.Client, opts DeleteOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Delete(c *gophercloud.ServiceClient, opts DeleteOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
 
 	query := utils.BuildQuery(opts.Params)
 
-	url := c.GetContainerURL(opts.Name) + query
-	_, err = perigee.Request("DELETE", url, perigee.Options{
+	url := getContainerURL(c, opts.Name) + query
+	_, err := perigee.Request("DELETE", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return err
 }
 
 // Update is a function that creates, updates, or deletes a container's metadata.
-func Update(c *storage.Client, opts UpdateOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Update(c *gophercloud.ServiceClient, opts UpdateOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
@@ -98,28 +90,27 @@
 		h["X-Container-Meta-"+k] = v
 	}
 
-	url := c.GetContainerURL(opts.Name)
-	_, err = perigee.Request("POST", url, perigee.Options{
+	url := getContainerURL(c, opts.Name)
+	_, err := perigee.Request("POST", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return err
 }
 
 // Get is a function that retrieves the metadata of a container. To extract just the custom
 // metadata, pass the GetResult response to the ExtractMetadata function.
-func Get(c *storage.Client, opts GetOpts) (GetResult, error) {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+func Get(c *gophercloud.ServiceClient, opts GetOpts) (GetResult, error) {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Metadata {
 		h["X-Container-Meta-"+k] = v
 	}
 
-	url := c.GetContainerURL(opts.Name)
+	url := getContainerURL(c, opts.Name)
 	resp, err := perigee.Request("HEAD", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return &resp.HttpResponse, err
 }
diff --git a/openstack/storage/v1/containers/urls.go b/openstack/storage/v1/containers/urls.go
new file mode 100644
index 0000000..4084bcc
--- /dev/null
+++ b/openstack/storage/v1/containers/urls.go
@@ -0,0 +1,13 @@
+package containers
+
+import "github.com/rackspace/gophercloud"
+
+// getAccountURL returns the URI used to list Containers.
+func getAccountURL(c *gophercloud.ServiceClient) string {
+	return c.Endpoint
+}
+
+// getContainerURL returns the URI for making Container requests.
+func getContainerURL(c *gophercloud.ServiceClient, container string) string {
+	return c.ServiceURL(container)
+}
diff --git a/openstack/storage/v1/objects/requests.go b/openstack/storage/v1/objects/requests.go
index 4e6f23a..931653e 100644
--- a/openstack/storage/v1/objects/requests.go
+++ b/openstack/storage/v1/objects/requests.go
@@ -2,10 +2,11 @@
 
 import (
 	"fmt"
-	"github.com/racker/perigee"
-	storage "github.com/rackspace/gophercloud/openstack/storage/v1"
-	"github.com/rackspace/gophercloud/openstack/utils"
 	"net/http"
+
+	"github.com/racker/perigee"
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/openstack/utils"
 )
 
 // ListResult is a *http.Response that is returned from a call to the List function.
@@ -20,13 +21,10 @@
 // List is a function that retrieves all objects in a container. It also returns the details
 // for the container. To extract only the object information or names, pass the ListResult
 // response to the ExtractInfo or ExtractNames function, respectively.
-func List(c *storage.Client, opts ListOpts) (ListResult, error) {
+func List(c *gophercloud.ServiceClient, opts ListOpts) (ListResult, error) {
 	contentType := ""
 
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+	h := c.Provider.AuthenticatedHeaders()
 
 	query := utils.BuildQuery(opts.Params)
 
@@ -34,10 +32,11 @@
 		contentType = "text/plain"
 	}
 
-	url := c.GetContainerURL(opts.Container) + query
+	url := getContainerURL(c, opts.Container) + query
 	resp, err := perigee.Request("GET", url, perigee.Options{
 		MoreHeaders: h,
 		Accept:      contentType,
+		OkCodes:     []int{200, 204},
 	})
 	return &resp.HttpResponse, err
 }
@@ -45,11 +44,8 @@
 // Download is a function that retrieves the content and metadata for an object.
 // To extract just the content, pass the DownloadResult response to the ExtractContent
 // function.
-func Download(c *storage.Client, opts DownloadOpts) (DownloadResult, error) {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+func Download(c *gophercloud.ServiceClient, opts DownloadOpts) (DownloadResult, error) {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
@@ -57,21 +53,19 @@
 
 	query := utils.BuildQuery(opts.Params)
 
-	url := c.GetObjectURL(opts.Container, opts.Name) + query
+	url := getObjectURL(c, opts.Container, opts.Name) + query
 	resp, err := perigee.Request("GET", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{200},
 	})
 	return &resp.HttpResponse, err
 }
 
 // Create is a function that creates a new object or replaces an existing object.
-func Create(c *storage.Client, opts CreateOpts) error {
+func Create(c *gophercloud.ServiceClient, opts CreateOpts) error {
 	var reqBody []byte
 
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
@@ -86,26 +80,24 @@
 	content := opts.Content
 	if content != nil {
 		reqBody = make([]byte, 0)
-		_, err = content.Read(reqBody)
+		_, err := content.Read(reqBody)
 		if err != nil {
 			return err
 		}
 	}
 
-	url := c.GetObjectURL(opts.Container, opts.Name) + query
-	_, err = perigee.Request("PUT", url, perigee.Options{
+	url := getObjectURL(c, opts.Container, opts.Name) + query
+	_, err := perigee.Request("PUT", url, perigee.Options{
 		ReqBody:     reqBody,
 		MoreHeaders: h,
+		OkCodes:     []int{201},
 	})
 	return err
 }
 
 // Copy is a function that copies one object to another.
-func Copy(c *storage.Client, opts CopyOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Copy(c *gophercloud.ServiceClient, opts CopyOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Metadata {
 		h["X-Object-Meta-"+k] = v
@@ -113,54 +105,48 @@
 
 	h["Destination"] = fmt.Sprintf("/%s/%s", opts.NewContainer, opts.NewName)
 
-	url := c.GetObjectURL(opts.Container, opts.Name)
-	_, err = perigee.Request("COPY", url, perigee.Options{
+	url := getObjectURL(c, opts.Container, opts.Name)
+	_, err := perigee.Request("COPY", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{201},
 	})
 	return err
 }
 
 // Delete is a function that deletes an object.
-func Delete(c *storage.Client, opts DeleteOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Delete(c *gophercloud.ServiceClient, opts DeleteOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
 
 	query := utils.BuildQuery(opts.Params)
 
-	url := c.GetObjectURL(opts.Container, opts.Name) + query
-	_, err = perigee.Request("DELETE", url, perigee.Options{
+	url := getObjectURL(c, opts.Container, opts.Name) + query
+	_, err := perigee.Request("DELETE", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return err
 }
 
 // Get is a function that retrieves the metadata of an object. To extract just the custom
 // metadata, pass the GetResult response to the ExtractMetadata function.
-func Get(c *storage.Client, opts GetOpts) (GetResult, error) {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return nil, err
-	}
+func Get(c *gophercloud.ServiceClient, opts GetOpts) (GetResult, error) {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
 	}
 
-	url := c.GetObjectURL(opts.Container, opts.Name)
+	url := getObjectURL(c, opts.Container, opts.Name)
 	resp, err := perigee.Request("HEAD", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{204},
 	})
 	return &resp.HttpResponse, err
 }
 
 // Update is a function that creates, updates, or deletes an object's metadata.
-func Update(c *storage.Client, opts UpdateOpts) error {
-	h, err := c.GetHeaders()
-	if err != nil {
-		return err
-	}
+func Update(c *gophercloud.ServiceClient, opts UpdateOpts) error {
+	h := c.Provider.AuthenticatedHeaders()
 
 	for k, v := range opts.Headers {
 		h[k] = v
@@ -170,9 +156,10 @@
 		h["X-Object-Meta-"+k] = v
 	}
 
-	url := c.GetObjectURL(opts.Container, opts.Name)
-	_, err = perigee.Request("POST", url, perigee.Options{
+	url := getObjectURL(c, opts.Container, opts.Name)
+	_, err := perigee.Request("POST", url, perigee.Options{
 		MoreHeaders: h,
+		OkCodes:     []int{202},
 	})
 	return err
 }
diff --git a/openstack/storage/v1/objects/urls.go b/openstack/storage/v1/objects/urls.go
new file mode 100644
index 0000000..5a52aed
--- /dev/null
+++ b/openstack/storage/v1/objects/urls.go
@@ -0,0 +1,13 @@
+package objects
+
+import "github.com/rackspace/gophercloud"
+
+// getObjectURL returns the URI for making Object requests.
+func getObjectURL(c *gophercloud.ServiceClient, container, object string) string {
+	return c.ServiceURL(container, object)
+}
+
+// getContainerURL returns the URI for making Container requests.
+func getContainerURL(c *gophercloud.ServiceClient, container string) string {
+	return c.ServiceURL(container)
+}