Use the ServiceClient to generate URLs.

Add OkCodes to all of the perigee requests.
diff --git a/openstack/storage/v1/containers/requests.go b/openstack/storage/v1/containers/requests.go
index d2cec0b..0db691c 100644
--- a/openstack/storage/v1/containers/requests.go
+++ b/openstack/storage/v1/containers/requests.go
@@ -28,10 +28,11 @@
 		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
 }
@@ -50,9 +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{
@@ -88,9 +90,10 @@
 		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
 }
@@ -104,9 +107,10 @@
 		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)
+}