merge lbaasv2, portsbinding, volumes v2; remove 'rackspace' refs; update docs
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/doc.go b/openstack/blockstorage/v2/extensions/volumeactions/doc.go
new file mode 100644
index 0000000..0935fdb
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/doc.go
@@ -0,0 +1,5 @@
+// Package volumeactions provides information and interaction with volumes in the
+// OpenStack Block Storage service. A volume is a detachable block storage
+// device, akin to a USB hard drive. It can only be attached to one instance at
+// a time.
+package volumeactions
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/requests.go b/openstack/blockstorage/v2/extensions/volumeactions/requests.go
new file mode 100644
index 0000000..05a76f7
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/requests.go
@@ -0,0 +1,174 @@
+package volumeactions
+
+import (
+	"github.com/gophercloud/gophercloud"
+)
+
+// AttachOptsBuilder allows extensions to add additional parameters to the
+// Attach request.
+type AttachOptsBuilder interface {
+	ToVolumeAttachMap() (map[string]interface{}, error)
+}
+
+// AttachMode describes the attachment mode for volumes.
+type AttachMode string
+
+// These constants determine how a volume is attached
+const (
+	ReadOnly  AttachMode = "ro"
+	ReadWrite AttachMode = "rw"
+)
+
+// AttachOpts contains options for attaching a Volume.
+type AttachOpts struct {
+	// The mountpoint of this volume
+	MountPoint string `json:"mountpoint,omitempty"`
+	// The nova instance ID, can't set simultaneously with HostName
+	InstanceUUID string `json:"instance_uuid,omitempty"`
+	// The hostname of baremetal host, can't set simultaneously with InstanceUUID
+	HostName string `json:"host_name,omitempty"`
+	// Mount mode of this volume
+	Mode AttachMode `json:"mode,omitempty"`
+}
+
+// ToVolumeAttachMap assembles a request body based on the contents of a
+// AttachOpts.
+func (opts AttachOpts) ToVolumeAttachMap() (map[string]interface{}, error) {
+	return gophercloud.BuildRequestBody(opts, "os-attach")
+}
+
+// Attach will attach a volume based on the values in AttachOpts.
+func Attach(client *gophercloud.ServiceClient, id string, opts AttachOptsBuilder) (r AttachResult) {
+	b, err := opts.ToVolumeAttachMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(attachURL(client, id), b, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{202},
+	})
+	return
+}
+
+// DetachOptsBuilder allows extensions to add additional parameters to the
+// Detach request.
+type DetachOptsBuilder interface {
+	ToVolumeDetachMap() (map[string]interface{}, error)
+}
+
+type DetachOpts struct {
+	AttachmentID string `json:"attachment_id,omitempty"`
+}
+
+// ToVolumeDetachMap assembles a request body based on the contents of a
+// DetachOpts.
+func (opts DetachOpts) ToVolumeDetachMap() (map[string]interface{}, error) {
+	return gophercloud.BuildRequestBody(opts, "os-detach")
+}
+
+// Detach will detach a volume based on volume id.
+func Detach(client *gophercloud.ServiceClient, id string, opts DetachOptsBuilder) (r DetachResult) {
+	b, err := opts.ToVolumeDetachMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(detachURL(client, id), b, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{202},
+	})
+	return
+}
+
+// Reserve will reserve a volume based on volume id.
+func Reserve(client *gophercloud.ServiceClient, id string) (r ReserveResult) {
+	b := map[string]interface{}{"os-reserve": make(map[string]interface{})}
+	_, r.Err = client.Post(reserveURL(client, id), b, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201, 202},
+	})
+	return
+}
+
+// Unreserve will unreserve a volume based on volume id.
+func Unreserve(client *gophercloud.ServiceClient, id string) (r UnreserveResult) {
+	b := map[string]interface{}{"os-unreserve": make(map[string]interface{})}
+	_, r.Err = client.Post(unreserveURL(client, id), b, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201, 202},
+	})
+	return
+}
+
+// InitializeConnectionOptsBuilder allows extensions to add additional parameters to the
+// InitializeConnection request.
+type InitializeConnectionOptsBuilder interface {
+	ToVolumeInitializeConnectionMap() (map[string]interface{}, error)
+}
+
+// InitializeConnectionOpts hosts options for InitializeConnection.
+type InitializeConnectionOpts struct {
+	IP        string   `json:"ip,omitempty"`
+	Host      string   `json:"host,omitempty"`
+	Initiator string   `json:"initiator,omitempty"`
+	Wwpns     []string `json:"wwpns,omitempty"`
+	Wwnns     string   `json:"wwnns,omitempty"`
+	Multipath *bool    `json:"multipath,omitempty"`
+	Platform  string   `json:"platform,omitempty"`
+	OSType    string   `json:"os_type,omitempty"`
+}
+
+// ToVolumeInitializeConnectionMap assembles a request body based on the contents of a
+// InitializeConnectionOpts.
+func (opts InitializeConnectionOpts) ToVolumeInitializeConnectionMap() (map[string]interface{}, error) {
+	b, err := gophercloud.BuildRequestBody(opts, "connector")
+	return map[string]interface{}{"os-initialize_connection": b}, err
+}
+
+// InitializeConnection initializes iscsi connection.
+func InitializeConnection(client *gophercloud.ServiceClient, id string, opts InitializeConnectionOptsBuilder) (r InitializeConnectionResult) {
+	b, err := opts.ToVolumeInitializeConnectionMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(initializeConnectionURL(client, id), b, &r.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201, 202},
+	})
+	return
+}
+
+// TerminateConnectionOptsBuilder allows extensions to add additional parameters to the
+// TerminateConnection request.
+type TerminateConnectionOptsBuilder interface {
+	ToVolumeTerminateConnectionMap() (map[string]interface{}, error)
+}
+
+// TerminateConnectionOpts hosts options for TerminateConnection.
+type TerminateConnectionOpts struct {
+	IP        string   `json:"ip,omitempty"`
+	Host      string   `json:"host,omitempty"`
+	Initiator string   `json:"initiator,omitempty"`
+	Wwpns     []string `json:"wwpns,omitempty"`
+	Wwnns     string   `json:"wwnns,omitempty"`
+	Multipath *bool    `json:"multipath,omitempty"`
+	Platform  string   `json:"platform,omitempty"`
+	OSType    string   `json:"os_type,omitempty"`
+}
+
+// ToVolumeTerminateConnectionMap assembles a request body based on the contents of a
+// TerminateConnectionOpts.
+func (opts TerminateConnectionOpts) ToVolumeTerminateConnectionMap() (map[string]interface{}, error) {
+	b, err := gophercloud.BuildRequestBody(opts, "connector")
+	return map[string]interface{}{"os-terminate_connection": b}, err
+}
+
+// TerminateConnection terminates iscsi connection.
+func TerminateConnection(client *gophercloud.ServiceClient, id string, opts TerminateConnectionOptsBuilder) (r TerminateConnectionResult) {
+	b, err := opts.ToVolumeTerminateConnectionMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+	_, r.Err = client.Post(teminateConnectionURL(client, id), b, nil, &gophercloud.RequestOpts{
+		OkCodes: []int{202},
+	})
+	return
+}
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/results.go b/openstack/blockstorage/v2/extensions/volumeactions/results.go
new file mode 100644
index 0000000..9bf6a7b
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/results.go
@@ -0,0 +1,46 @@
+package volumeactions
+
+import "github.com/gophercloud/gophercloud"
+
+// AttachResult contains the response body and error from a Get request.
+type AttachResult struct {
+	gophercloud.ErrResult
+}
+
+// DetachResult contains the response body and error from a Get request.
+type DetachResult struct {
+	gophercloud.ErrResult
+}
+
+// ReserveResult contains the response body and error from a Get request.
+type ReserveResult struct {
+	gophercloud.ErrResult
+}
+
+// UnreserveResult contains the response body and error from a Get request.
+type UnreserveResult struct {
+	gophercloud.ErrResult
+}
+
+// TerminateConnectionResult contains the response body and error from a Get request.
+type TerminateConnectionResult struct {
+	gophercloud.ErrResult
+}
+
+type commonResult struct {
+	gophercloud.Result
+}
+
+// Extract will get the Volume object out of the commonResult object.
+func (r commonResult) Extract() (map[string]interface{}, error) {
+	var s struct {
+		ConnectionInfo map[string]interface{} `json:"connection_info"`
+	}
+	err := r.ExtractInto(&s)
+	return s.ConnectionInfo, err
+}
+
+// InitializeConnectionResult contains the response body and error from a Get request.
+type InitializeConnectionResult struct {
+	commonResult
+}
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/testing/fixtures.go b/openstack/blockstorage/v2/extensions/volumeactions/testing/fixtures.go
new file mode 100644
index 0000000..da661a6
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/testing/fixtures.go
@@ -0,0 +1,183 @@
+package testing
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	th "github.com/gophercloud/gophercloud/testhelper"
+	fake "github.com/gophercloud/gophercloud/testhelper/client"
+)
+
+func MockAttachResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-attach":
+    {
+        "mountpoint": "/mnt",
+        "mode": "rw",
+        "instance_uuid": "50902f4f-a974-46a0-85e9-7efc5e22dfdd"
+    }
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{}`)
+		})
+}
+
+func MockDetachResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-detach": {}
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{}`)
+		})
+}
+
+func MockReserveResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-reserve": {}
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{}`)
+		})
+}
+
+func MockUnreserveResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-unreserve": {}
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{}`)
+		})
+}
+
+func MockInitializeConnectionResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-initialize_connection":
+    {
+        "connector":
+        {
+        "ip":"127.0.0.1",
+        "host":"stack",
+        "initiator":"iqn.1994-05.com.redhat:17cf566367d2",
+        "multipath": false,
+        "platform": "x86_64",
+        "os_type": "linux2"
+        }
+    }
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{
+"connection_info": {
+    "data": {
+      "target_portals": [
+        "172.31.17.48:3260"
+      ],
+      "auth_method": "CHAP",
+      "auth_username": "5MLtcsTEmNN5jFVcT6ui",
+      "access_mode": "rw",
+      "target_lun": 0,
+      "volume_id": "cd281d77-8217-4830-be95-9528227c105c",
+      "target_luns": [
+        0
+      ],
+      "target_iqns": [
+        "iqn.2010-10.org.openstack:volume-cd281d77-8217-4830-be95-9528227c105c"
+      ],
+      "auth_password": "x854ZY5Re3aCkdNL",
+      "target_discovered": false,
+      "encrypted": false,
+      "qos_specs": null,
+      "target_iqn": "iqn.2010-10.org.openstack:volume-cd281d77-8217-4830-be95-9528227c105c",
+      "target_portal": "172.31.17.48:3260"
+    },
+    "driver_volume_type": "iscsi"
+  }
+            }`)
+		})
+}
+
+func MockTerminateConnectionResponse(t *testing.T) {
+	th.Mux.HandleFunc("/volumes/cd281d77-8217-4830-be95-9528227c105c/action",
+		func(w http.ResponseWriter, r *http.Request) {
+			th.TestMethod(t, r, "POST")
+			th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+			th.TestHeader(t, r, "Content-Type", "application/json")
+			th.TestHeader(t, r, "Accept", "application/json")
+			th.TestJSONRequest(t, r, `
+{
+    "os-terminate_connection":
+    {
+        "connector":
+        {
+        "ip":"127.0.0.1",
+        "host":"stack",
+        "initiator":"iqn.1994-05.com.redhat:17cf566367d2",
+        "multipath": true,
+        "platform": "x86_64",
+        "os_type": "linux2"
+        }
+    }
+}
+          `)
+
+			w.Header().Add("Content-Type", "application/json")
+			w.WriteHeader(http.StatusAccepted)
+
+			fmt.Fprintf(w, `{}`)
+		})
+}
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/testing/requests_test.go b/openstack/blockstorage/v2/extensions/volumeactions/testing/requests_test.go
new file mode 100644
index 0000000..ed047d5
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/testing/requests_test.go
@@ -0,0 +1,91 @@
+package testing
+
+import (
+	"testing"
+
+	"github.com/gophercloud/gophercloud/openstack/blockstorage/v2/extensions/volumeactions"
+	th "github.com/gophercloud/gophercloud/testhelper"
+	"github.com/gophercloud/gophercloud/testhelper/client"
+	"github.com/jrperritt/gophercloud"
+)
+
+func TestAttach(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockAttachResponse(t)
+
+	options := &volumeactions.AttachOpts{
+		MountPoint:   "/mnt",
+		Mode:         "rw",
+		InstanceUUID: "50902f4f-a974-46a0-85e9-7efc5e22dfdd",
+	}
+	err := volumeactions.Attach(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c", options).ExtractErr()
+	th.AssertNoErr(t, err)
+}
+
+func TestDetach(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockDetachResponse(t)
+
+	err := volumeactions.Detach(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c", &volumeactions.DetachOpts{}).ExtractErr()
+	th.AssertNoErr(t, err)
+}
+
+func TestReserve(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockReserveResponse(t)
+
+	err := volumeactions.Reserve(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c").ExtractErr()
+	th.AssertNoErr(t, err)
+}
+
+func TestUnreserve(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockUnreserveResponse(t)
+
+	err := volumeactions.Unreserve(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c").ExtractErr()
+	th.AssertNoErr(t, err)
+}
+
+func TestInitializeConnection(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockInitializeConnectionResponse(t)
+
+	options := &volumeactions.InitializeConnectionOpts{
+		IP:        "127.0.0.1",
+		Host:      "stack",
+		Initiator: "iqn.1994-05.com.redhat:17cf566367d2",
+		Multipath: gophercloud.Disabled,
+		Platform:  "x86_64",
+		OSType:    "linux2",
+	}
+	_, err := volumeactions.InitializeConnection(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c", options).Extract()
+	th.AssertNoErr(t, err)
+}
+
+func TestTerminateConnection(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	MockTerminateConnectionResponse(t)
+
+	options := &volumeactions.TerminateConnectionOpts{
+		IP:        "127.0.0.1",
+		Host:      "stack",
+		Initiator: "iqn.1994-05.com.redhat:17cf566367d2",
+		Multipath: gophercloud.Enabled,
+		Platform:  "x86_64",
+		OSType:    "linux2",
+	}
+	err := volumeactions.TerminateConnection(client.ServiceClient(), "cd281d77-8217-4830-be95-9528227c105c", options).ExtractErr()
+	th.AssertNoErr(t, err)
+}
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/urls.go b/openstack/blockstorage/v2/extensions/volumeactions/urls.go
new file mode 100644
index 0000000..4ddcca0
--- /dev/null
+++ b/openstack/blockstorage/v2/extensions/volumeactions/urls.go
@@ -0,0 +1,27 @@
+package volumeactions
+
+import "github.com/gophercloud/gophercloud"
+
+func attachURL(c *gophercloud.ServiceClient, id string) string {
+	return c.ServiceURL("volumes", id, "action")
+}
+
+func detachURL(c *gophercloud.ServiceClient, id string) string {
+	return attachURL(c, id)
+}
+
+func reserveURL(c *gophercloud.ServiceClient, id string) string {
+	return attachURL(c, id)
+}
+
+func unreserveURL(c *gophercloud.ServiceClient, id string) string {
+	return attachURL(c, id)
+}
+
+func initializeConnectionURL(c *gophercloud.ServiceClient, id string) string {
+	return attachURL(c, id)
+}
+
+func teminateConnectionURL(c *gophercloud.ServiceClient, id string) string {
+	return attachURL(c, id)
+}