Move more 'daemon' errors to the new error package

Signed-off-by: Doug Davis <dug@us.ibm.com>

12 files changed, 395 insertions, 47 deletions

diff --git a/api/server/server.go b/api/server/server.go
index 8795838d0f..a2d927ceff 100644
--- a/api/server/server.go
+++ b/api/server/server.go
@@ -18,6 +18,7 @@ import (
 	"github.com/docker/docker/context"
 	"github.com/docker/docker/daemon"
 	"github.com/docker/docker/pkg/sockets"
+	"github.com/docker/docker/utils"
 )
 
 // Config provides the configuration for the API server
@@ -248,7 +249,7 @@ func httpError(w http.ResponseWriter, err error) {
 		statusCode = http.StatusInternalServerError
 	}
 
-	logrus.WithFields(logrus.Fields{"statusCode": statusCode, "err": err}).Error("HTTP Error")
+	logrus.WithFields(logrus.Fields{"statusCode": statusCode, "err": utils.GetErrorMessage(err)}).Error("HTTP Error")
 	http.Error(w, errMsg, statusCode)
 }
 
@@ -305,7 +306,7 @@ func (s *Server) makeHTTPHandler(localMethod string, localRoute string, localHan
 		handlerFunc := s.handleWithGlobalMiddlewares(localHandler)
 
 		if err := handlerFunc(ctx, w, r, mux.Vars(r)); err != nil {
-			logrus.Errorf("Handler for %s %s returned error: %s", localMethod, localRoute, err)
+			logrus.Errorf("Handler for %s %s returned error: %s", localMethod, localRoute, utils.GetErrorMessage(err))
 			httpError(w, err)
 		}
 	}
diff --git a/daemon/container_unix.go b/daemon/container_unix.go
index bee8078745..782eefa622 100644
--- a/daemon/container_unix.go
+++ b/daemon/container_unix.go
@@ -973,7 +973,7 @@ func (container *Container) setNetworkNamespaceKey(pid int) error {
 	search := libnetwork.SandboxContainerWalker(&sandbox, container.ID)
 	container.daemon.netController.WalkSandboxes(search)
 	if sandbox == nil {
-		return fmt.Errorf("no sandbox present for %s", container.ID)
+		return derr.ErrorCodeNoSandbox.WithArgs(container.ID)
 	}
 
 	return sandbox.SetKey(path)
diff --git a/daemon/delete.go b/daemon/delete.go
index 806bfede59..52cc39beaf 100644
--- a/daemon/delete.go
+++ b/daemon/delete.go
@@ -6,6 +6,7 @@ import (
 	"path"
 
 	"github.com/Sirupsen/logrus"
+	derr "github.com/docker/docker/errors"
 	"github.com/docker/docker/volume/store"
 )
 
@@ -31,11 +32,11 @@ func (daemon *Daemon) ContainerRm(name string, config *ContainerRmConfig) error
 		}
 		parent, n := path.Split(name)
 		if parent == "/" {
-			return fmt.Errorf("Conflict, cannot remove the default name of the container")
+			return derr.ErrorCodeDefaultName
 		}
 		pe := daemon.containerGraph().Get(parent)
 		if pe == nil {
-			return fmt.Errorf("Cannot get parent %s for name %s", parent, name)
+			return derr.ErrorCodeNoParent.WithArgs(parent, name)
 		}
 
 		if err := daemon.containerGraph().Delete(name); err != nil {
@@ -53,7 +54,8 @@ func (daemon *Daemon) ContainerRm(name string, config *ContainerRmConfig) error
 	}
 
 	if err := daemon.rm(container, config.ForceRemove); err != nil {
-		return fmt.Errorf("Cannot destroy container %s: %v", name, err)
+		// return derr.ErrorCodeCantDestroy.WithArgs(name, utils.GetErrorMessage(err))
+		return err
 	}
 
 	if err := container.removeMountPoints(config.RemoveVolume); err != nil {
@@ -67,10 +69,10 @@ func (daemon *Daemon) ContainerRm(name string, config *ContainerRmConfig) error
 func (daemon *Daemon) rm(container *Container, forceRemove bool) (err error) {
 	if container.IsRunning() {
 		if !forceRemove {
-			return fmt.Errorf("Conflict, You cannot remove a running container. Stop the container before attempting removal or use -f")
+			return derr.ErrorCodeRmRunning
 		}
 		if err := container.Kill(); err != nil {
-			return fmt.Errorf("Could not kill running container, cannot remove - %v", err)
+			return derr.ErrorCodeRmFailed.WithArgs(err)
 		}
 	}
 
@@ -80,12 +82,12 @@ func (daemon *Daemon) rm(container *Container, forceRemove bool) (err error) {
 
 	element := daemon.containers.Get(container.ID)
 	if element == nil {
-		return fmt.Errorf("Container %v not found - maybe it was already destroyed?", container.ID)
+		return derr.ErrorCodeRmNotFound.WithArgs(container.ID)
 	}
 
 	// Container state RemovalInProgress should be used to avoid races.
 	if err = container.setRemovalInProgress(); err != nil {
-		return fmt.Errorf("Failed to set container state to RemovalInProgress: %s", err)
+		return derr.ErrorCodeRmState.WithArgs(err)
 	}
 
 	defer container.resetRemovalInProgress()
@@ -120,20 +122,20 @@ func (daemon *Daemon) rm(container *Container, forceRemove bool) (err error) {
 	}
 
 	if err = daemon.driver.Remove(container.ID); err != nil {
-		return fmt.Errorf("Driver %s failed to remove root filesystem %s: %s", daemon.driver, container.ID, err)
+		return derr.ErrorCodeRmDriverFS.WithArgs(daemon.driver, container.ID, err)
 	}
 
 	initID := fmt.Sprintf("%s-init", container.ID)
 	if err := daemon.driver.Remove(initID); err != nil {
-		return fmt.Errorf("Driver %s failed to remove init filesystem %s: %s", daemon.driver, initID, err)
+		return derr.ErrorCodeRmInit.WithArgs(daemon.driver, initID, err)
 	}
 
 	if err = os.RemoveAll(container.root); err != nil {
-		return fmt.Errorf("Unable to remove filesystem for %v: %v", container.ID, err)
+		return derr.ErrorCodeRmFS.WithArgs(container.ID, err)
 	}
 
 	if err = daemon.execDriver.Clean(container.ID); err != nil {
-		return fmt.Errorf("Unable to remove execdriver data for %s: %s", container.ID, err)
+		return derr.ErrorCodeRmExecDriver.WithArgs(container.ID, err)
 	}
 
 	selinuxFreeLxcContexts(container.ProcessLabel)
@@ -154,9 +156,9 @@ func (daemon *Daemon) VolumeRm(name string) error {
 	}
 	if err := daemon.volumes.Remove(v); err != nil {
 		if err == store.ErrVolumeInUse {
-			return fmt.Errorf("Conflict: %v", err)
+			return derr.ErrorCodeRmVolumeInUse.WithArgs(err)
 		}
-		return fmt.Errorf("Error while removing volume %s: %v", name, err)
+		return derr.ErrorCodeRmVolume.WithArgs(name, err)
 	}
 	return nil
 }
diff --git a/daemon/exec.go b/daemon/exec.go
index 24f717508c..8ec8a1c583 100644
--- a/daemon/exec.go
+++ b/daemon/exec.go
@@ -1,7 +1,6 @@
 package daemon
 
 import (
-	"fmt"
 	"io"
 	"io/ioutil"
 	"strings"
@@ -10,6 +9,7 @@ import (
 
 	"github.com/Sirupsen/logrus"
 	"github.com/docker/docker/daemon/execdriver"
+	derr "github.com/docker/docker/errors"
 	"github.com/docker/docker/pkg/broadcastwriter"
 	"github.com/docker/docker/pkg/ioutils"
 	"github.com/docker/docker/pkg/pools"
@@ -80,7 +80,7 @@ func (ExecConfig *ExecConfig) resize(h, w int) error {
 	select {
 	case <-ExecConfig.waitStart:
 	case <-time.After(time.Second):
-		return fmt.Errorf("Exec %s is not running, so it can not be resized.", ExecConfig.ID)
+		return derr.ErrorCodeExecResize.WithArgs(ExecConfig.ID)
 	}
 	return ExecConfig.ProcessConfig.Terminal.Resize(h, w)
 }
@@ -104,12 +104,12 @@ func (d *Daemon) getExecConfig(name string) (*ExecConfig, error) {
 	if ExecConfig != nil && d.containers.Get(ExecConfig.Container.ID) != nil {
 
 		if !ExecConfig.Container.IsRunning() {
-			return nil, fmt.Errorf("Container %s is not running", ExecConfig.Container.ID)
+			return nil, derr.ErrorCodeContainerNotRunning.WithArgs(ExecConfig.Container.ID)
 		}
 		return ExecConfig, nil
 	}
 
-	return nil, fmt.Errorf("No such exec instance '%s' found in daemon", name)
+	return nil, derr.ErrorCodeNoExecID.WithArgs(name)
 }
 
 func (d *Daemon) unregisterExecCommand(ExecConfig *ExecConfig) {
@@ -124,10 +124,10 @@ func (d *Daemon) getActiveContainer(name string) (*Container, error) {
 	}
 
 	if !container.IsRunning() {
-		return nil, fmt.Errorf("Container %s is not running", name)
+		return nil, derr.ErrorCodeNotRunning.WithArgs(name)
 	}
 	if container.isPaused() {
-		return nil, fmt.Errorf("Container %s is paused, unpause the container before exec", name)
+		return nil, derr.ErrorCodeExecPaused.WithArgs(name)
 	}
 	return container, nil
 }
@@ -196,7 +196,7 @@ func (d *Daemon) ContainerExecStart(execName string, stdin io.ReadCloser, stdout
 		ExecConfig.Lock()
 		defer ExecConfig.Unlock()
 		if ExecConfig.Running {
-			err = fmt.Errorf("Error: Exec command %s is already running", execName)
+			err = derr.ErrorCodeExecRunning.WithArgs(execName)
 		}
 		ExecConfig.Running = true
 	}()
@@ -244,13 +244,13 @@ func (d *Daemon) ContainerExecStart(execName string, stdin io.ReadCloser, stdout
 
 	go func() {
 		if err := container.exec(ExecConfig); err != nil {
-			execErr <- fmt.Errorf("Cannot run exec command %s in container %s: %s", execName, container.ID, err)
+			execErr <- derr.ErrorCodeExecCantRun.WithArgs(execName, container.ID, err)
 		}
 	}()
 	select {
 	case err := <-attachErr:
 		if err != nil {
-			return fmt.Errorf("attach failed with error: %s", err)
+			return derr.ErrorCodeExecAttach.WithArgs(err)
 		}
 		return nil
 	case err := <-execErr:
@@ -260,7 +260,7 @@ func (d *Daemon) ContainerExecStart(execName string, stdin io.ReadCloser, stdout
 
 		// Maybe the container stopped while we were trying to exec
 		if !container.IsRunning() {
-			return fmt.Errorf("container stopped while running exec")
+			return derr.ErrorCodeExecContainerStopped
 		}
 		return err
 	}
diff --git a/daemon/export.go b/daemon/export.go
index 1400d69e02..d470e5d584 100644
--- a/daemon/export.go
+++ b/daemon/export.go
@@ -1,8 +1,9 @@
 package daemon
 
 import (
-	"fmt"
 	"io"
+
+	derr "github.com/docker/docker/errors"
 )
 
 // ContainerExport writes the contents of the container to the given
@@ -15,13 +16,13 @@ func (daemon *Daemon) ContainerExport(name string, out io.Writer) error {
 
 	data, err := container.export()
 	if err != nil {
-		return fmt.Errorf("%s: %s", name, err)
+		return derr.ErrorCodeExportFailed.WithArgs(name, err)
 	}
 	defer data.Close()
 
 	// Stream the entire contents of the container (basically a volatile snapshot)
 	if _, err := io.Copy(out, data); err != nil {
-		return fmt.Errorf("%s: %s", name, err)
+		return derr.ErrorCodeExportFailed.WithArgs(name, err)
 	}
 	return nil
 }
diff --git a/daemon/image_delete.go b/daemon/image_delete.go
index 9e918b326a..5aff7d04cc 100644
--- a/daemon/image_delete.go
+++ b/daemon/image_delete.go
@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/docker/docker/api/types"
+	derr "github.com/docker/docker/errors"
 	"github.com/docker/docker/graph/tags"
 	"github.com/docker/docker/image"
 	"github.com/docker/docker/pkg/parsers"
@@ -69,7 +70,7 @@ func (daemon *Daemon) ImageDelete(imageRef string, force, prune bool) ([]types.I
 				// this image would remain "dangling" and since
 				// we really want to avoid that the client must
 				// explicitly force its removal.
-				return nil, fmt.Errorf("conflict: unable to remove repository reference %q (must force) - container %s is using its referenced image %s", imageRef, stringid.TruncateID(container.ID), stringid.TruncateID(img.ID))
+				return nil, derr.ErrorCodeImgDelUsed.WithArgs(imageRef, stringid.TruncateID(container.ID), stringid.TruncateID(img.ID))
 			}
 		}
 
@@ -238,7 +239,7 @@ func (daemon *Daemon) imageDeleteHelper(img *image.Image, records *[]types.Image
 	// either running or stopped).
 	parentImg, err := daemon.Graph().Get(img.Parent)
 	if err != nil {
-		return fmt.Errorf("unable to get parent image: %v", err)
+		return derr.ErrorCodeImgNoParent.WithArgs(err)
 	}
 
 	// Do not force prunings, but do so quietly (stopping on any encountered
diff --git a/daemon/list.go b/daemon/list.go
index 75420c645a..75ec88de42 100644
--- a/daemon/list.go
+++ b/daemon/list.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/Sirupsen/logrus"
 	"github.com/docker/docker/api/types"
+	derr "github.com/docker/docker/errors"
 	"github.com/docker/docker/image"
 	"github.com/docker/docker/pkg/graphdb"
 	"github.com/docker/docker/pkg/nat"
@@ -370,7 +371,7 @@ func (daemon *Daemon) Volumes(filter string) ([]*types.Volume, error) {
 	filterUsed := false
 	if i, ok := volFilters["dangling"]; ok {
 		if len(i) > 1 {
-			return nil, fmt.Errorf("Conflict: cannot use more than 1 value for `dangling` filter")
+			return nil, derr.ErrorCodeDanglingOne
 		}
 
 		filterValue := i[0]
diff --git a/daemon/logs.go b/daemon/logs.go
index 1aa1a7a7e8..d52a5dc527 100644
--- a/daemon/logs.go
+++ b/daemon/logs.go
@@ -1,13 +1,13 @@
 package daemon
 
 import (
-	"fmt"
 	"io"
 	"strconv"
 	"time"
 
 	"github.com/Sirupsen/logrus"
 	"github.com/docker/docker/daemon/logger"
+	derr "github.com/docker/docker/errors"
 	"github.com/docker/docker/pkg/stdcopy"
 )
 
@@ -32,7 +32,7 @@ type ContainerLogsConfig struct {
 // configured with the given struct.
 func (daemon *Daemon) ContainerLogs(container *Container, config *ContainerLogsConfig) error {
 	if !(config.UseStdout || config.UseStderr) {
-		return fmt.Errorf("You must choose at least one stream")
+		return derr.ErrorCodeNeedStream
 	}
 
 	outStream := config.OutStream
diff --git a/daemon/pause.go b/daemon/pause.go
index 9d8e74827c..385e93f9f9 100644
--- a/daemon/pause.go
+++ b/daemon/pause.go
@@ -1,6 +1,8 @@
 package daemon
 
-import "fmt"
+import (
+	derr "github.com/docker/docker/errors"
+)
 
 // ContainerPause pauses a container
 func (daemon *Daemon) ContainerPause(name string) error {
@@ -10,7 +12,7 @@ func (daemon *Daemon) ContainerPause(name string) error {
 	}
 
 	if err := container.pause(); err != nil {
-		return fmt.Errorf("Cannot pause container %s: %s", name, err)
+		return derr.ErrorCodePauseError.WithArgs(name, err)
 	}
 
 	return nil
diff --git a/daemon/rename.go b/daemon/rename.go
index 8d53667f76..de80e609f1 100644
--- a/daemon/rename.go
+++ b/daemon/rename.go
@@ -1,7 +1,7 @@
 package daemon
 
 import (
-	"fmt"
+	derr "github.com/docker/docker/errors"
 )
 
 // ContainerRename changes the name of a container, using the oldName
@@ -9,7 +9,7 @@ import (
 // reserved.
 func (daemon *Daemon) ContainerRename(oldName, newName string) error {
 	if oldName == "" || newName == "" {
-		return fmt.Errorf("Neither old nor new names may be empty")
+		return derr.ErrorCodeEmptyRename
 	}
 
 	container, err := daemon.Get(oldName)
@@ -22,7 +22,7 @@ func (daemon *Daemon) ContainerRename(oldName, newName string) error {
 	container.Lock()
 	defer container.Unlock()
 	if newName, err = daemon.reserveName(container.ID, newName); err != nil {
-		return fmt.Errorf("Error when allocating new name: %s", err)
+		return derr.ErrorCodeRenameTaken.WithArgs(err)
 	}
 
 	container.Name = newName
@@ -35,7 +35,7 @@ func (daemon *Daemon) ContainerRename(oldName, newName string) error {
 
 	if err := daemon.containerGraphDB.Delete(oldName); err != nil {
 		undo()
-		return fmt.Errorf("Failed to delete container %q: %v", oldName, err)
+		return derr.ErrorCodeRenameDelete.WithArgs(oldName, err)
 	}
 
 	if err := container.toDisk(); err != nil {
diff --git a/daemon/restart.go b/daemon/restart.go
index 7e63c0d9d4..86ec88dbb1 100644
--- a/daemon/restart.go
+++ b/daemon/restart.go
@@ -1,6 +1,8 @@
 package daemon
 
-import "fmt"
+import (
+	derr "github.com/docker/docker/errors"
+)
 
 // ContainerRestart stops and starts a container. It attempts to
 // gracefully stop the container within the given timeout, forcefully
@@ -14,7 +16,7 @@ func (daemon *Daemon) ContainerRestart(name string, seconds int) error {
 		return err
 	}
 	if err := container.Restart(seconds); err != nil {
-		return fmt.Errorf("Cannot restart container %s: %s\n", name, err)
+		return derr.ErrorCodeCantRestart.WithArgs(name, err)
 	}
 	return nil
 }
diff --git a/errors/daemon.go b/errors/daemon.go
index 2280740464..11d6d0b59a 100644
--- a/errors/daemon.go
+++ b/errors/daemon.go
@@ -24,6 +24,7 @@ var (
 	ErrorCodeUnregisteredContainer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "UNREGISTEREDCONTAINER",
 		Message:        "Can't load storage driver for unregistered container %s",
+		Description:    "An attempt was made to load the storage driver for a container that is not registered with the daemon",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -32,6 +33,7 @@ var (
 	ErrorCodeContainerBeingRemoved = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "CONTAINERBEINGREMOVED",
 		Message:        "Container is marked for removal and cannot be started.",
+		Description:    "An attempt was made to start a container that is in the process of being deleted",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -40,6 +42,7 @@ var (
 	ErrorCodeUnpauseContainer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "UNPAUSECONTAINER",
 		Message:        "Container %s is paused. Unpause the container before stopping",
+		Description:    "The specified container is paused, before it can be stopped it must be unpaused",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -48,6 +51,7 @@ var (
 	ErrorCodeAlreadyPaused = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "ALREADYPAUSED",
 		Message:        "Container %s is already paused",
+		Description:    "The specified container is already in the paused state",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -56,6 +60,7 @@ var (
 	ErrorCodeNotPaused = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOTPAUSED",
 		Message:        "Container %s is not paused",
+		Description:    "The specified container can not be unpaused because it is not in a paused state",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -64,6 +69,7 @@ var (
 	ErrorCodeImageUnregContainer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "IMAGEUNREGCONTAINER",
 		Message:        "Can't get image of unregistered container",
+		Description:    "An attempt to retrieve the image of a container was made but the container is not registered",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -71,6 +77,7 @@ var (
 	ErrorCodeEmptyID = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "EMPTYID",
 		Message:        "Invalid empty id",
+		Description:    "An attempt was made to register a container but the container's ID can not be an empty string",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -79,6 +86,7 @@ var (
 	ErrorCodeLoggingFactory = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "LOGGINGFACTORY",
 		Message:        "Failed to get logging factory: %v",
+		Description:    "An attempt was made to register a container but the container's ID can not be an empty string",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -87,6 +95,7 @@ var (
 	ErrorCodeInitLogger = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "INITLOGGER",
 		Message:        "Failed to initialize logging driver: %v",
+		Description:    "An error occurred while trying to initialize the logging driver",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -95,6 +104,7 @@ var (
 	ErrorCodeNotRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOTRUNNING",
 		Message:        "Container %s is not running",
+		Description:    "The specified action can not be taken due to the container not being in a running state",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -103,6 +113,7 @@ var (
 	ErrorCodeLinkNotRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "LINKNOTRUNNING",
 		Message:        "Cannot link to a non running container: %s AS %s",
+		Description:    "An attempt was made to link to a container but the container is not in a running state",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -112,6 +123,7 @@ var (
 	ErrorCodeDeviceInfo = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "DEVICEINFO",
 		Message:        "error gathering device information while adding custom device %q: %s",
+		Description:    "There was an error while trying to retrieve the information about a custom device",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -120,6 +132,7 @@ var (
 	ErrorCodeEmptyEndpoint = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "EMPTYENDPOINT",
 		Message:        "invalid endpoint while building port map info",
+		Description:    "The specified endpoint for the port mapping is empty",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -128,6 +141,7 @@ var (
 	ErrorCodeEmptyNetwork = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "EMPTYNETWORK",
 		Message:        "invalid networksettings while building port map info",
+		Description:    "The specified endpoint for the port mapping is empty",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -136,6 +150,7 @@ var (
 	ErrorCodeParsingPort = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "PARSINGPORT",
 		Message:        "Error parsing Port value(%v):%v",
+		Description:    "There was an error while trying to parse the specified 'port' value",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -144,6 +159,7 @@ var (
 	ErrorCodeNoSandbox = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOSANDBOX",
 		Message:        "error locating sandbox id %s: %v",
+		Description:    "There was an error trying to located the specified networking sandbox",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -152,6 +168,7 @@ var (
 	ErrorCodeNetworkUpdate = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NETWORKUPDATE",
 		Message:        "Update network failed: %v",
+		Description:    "There was an error trying to update the configuration information of the specified network sandbox",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -160,22 +177,25 @@ var (
 	ErrorCodeNetworkRefresh = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NETWORKREFRESH",
 		Message:        "Update network failed: Failure in refresh sandbox %s: %v",
+		Description:    "There was an error trying to refresh the configuration information of the specified network sandbox",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
 	// ErrorCodeHostPort is generated when there was an error while trying
-	// to parse a "host/por" string.
+	// to parse a "host/port" string.
 	ErrorCodeHostPort = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "HOSTPORT",
 		Message:        "Error parsing HostPort value(%s):%v",
+		Description:    "There was an error trying to parse the specified 'HostPort' value",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
-	// ErrorCodeNetworkConflict is generated when we try to public a service
+	// ErrorCodeNetworkConflict is generated when we try to publish a service
 	// in network mode.
 	ErrorCodeNetworkConflict = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NETWORKCONFLICT",
 		Message:        "conflicting options: publishing a service and network mode",
+		Description:    "It is not possible to publish a service when it is in network mode",
 		HTTPStatusCode: http.StatusConflict,
 	})
 
@@ -184,14 +204,16 @@ var (
 	ErrorCodeJoinInfo = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "JOININFO",
 		Message:        "Updating join info failed: %v",
+		Description:    "There was an error during an attempt update a container's join information",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
 	// ErrorCodeIPCRunning is generated when we try to join a container's
-	// IPC but its running.
+	// IPC but its not running.
 	ErrorCodeIPCRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "IPCRUNNING",
 		Message:        "cannot join IPC of a non running container: %s",
+		Description:    "An attempt was made to join the IPC of a container, but the container is not running",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -200,6 +222,7 @@ var (
 	ErrorCodeNotADir = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOTADIR",
 		Message:        "Cannot mkdir: %s is not a directory",
+		Description:    "An attempt was made create a directory, but the location in which it is being created is not a directory",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -208,6 +231,7 @@ var (
 	ErrorCodeParseContainer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "PARSECONTAINER",
 		Message:        "no container specified to join network",
+		Description:    "The specified reference to a container is missing a ':' as a separator between 'container' and 'name'/'id'",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -215,6 +239,7 @@ var (
 	ErrorCodeJoinSelf = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "JOINSELF",
 		Message:        "cannot join own network",
+		Description:    "An attempt was made to have a container join its own network",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -222,6 +247,7 @@ var (
 	ErrorCodeJoinRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "JOINRUNNING",
 		Message:        "cannot join network of a non running container: %s",
+		Description:    "An attempt to join the network of a container, but that container isn't running",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -230,6 +256,7 @@ var (
 	ErrorCodeModeNotContainer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "MODENOTCONTAINER",
 		Message:        "network mode not set to container",
+		Description:    "An attempt was made to connect to a container's network but the mode wasn't set to 'container'",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -238,6 +265,7 @@ var (
 	ErrorCodeRemovingVolume = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "REMOVINGVOLUME",
 		Message:        "Error removing volumes:\n%v",
+		Description:    "There was an error while trying to remove the mount point (volume) of a container",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -246,6 +274,7 @@ var (
 	ErrorCodeInvalidNetworkMode = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "INVALIDNETWORKMODE",
 		Message:        "invalid network mode: %s",
+		Description:    "The specified networking mode is not valid",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -254,6 +283,7 @@ var (
 	ErrorCodeGetGraph = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "GETGRAPH",
 		Message:        "Failed to graph.Get on ImageID %s - %s",
+		Description:    "There was an error trying to retrieve the image for the specified image ID",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -262,6 +292,7 @@ var (
 	ErrorCodeGetLayer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "GETLAYER",
 		Message:        "Failed to get layer path from graphdriver %s for ImageID %s - %s",
+		Description:    "There was an error trying to retrieve the layer of the specified image",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -270,6 +301,7 @@ var (
 	ErrorCodePutLayer = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "PUTLAYER",
 		Message:        "Failed to put layer path from graphdriver %s for ImageID %s - %s",
+		Description:    "There was an error trying to store a layer for the specified image",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -278,6 +310,7 @@ var (
 	ErrorCodeGetLayerMetadata = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "GETLAYERMETADATA",
 		Message:        "Failed to get layer metadata - %s",
+		Description:    "There was an error trying to retrieve the metadata of a layer for the specified image",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -286,6 +319,7 @@ var (
 	ErrorCodeEmptyConfig = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "EMPTYCONFIG",
 		Message:        "Config cannot be empty in order to create a container",
+		Description:    "While trying to create a container, the specified configuration information was empty",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -294,6 +328,7 @@ var (
 	ErrorCodeNoSuchImageHash = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOSUCHIMAGEHASH",
 		Message:        "No such image: %s",
+		Description:    "An attempt was made to find an image by its hash, but the lookup failed",
 		HTTPStatusCode: http.StatusNotFound,
 	})
 
@@ -302,6 +337,7 @@ var (
 	ErrorCodeNoSuchImageTag = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOSUCHIMAGETAG",
 		Message:        "No such image: %s:%s",
+		Description:    "An attempt was made to find an image by its name/tag, but the lookup failed",
 		HTTPStatusCode: http.StatusNotFound,
 	})
 
@@ -310,14 +346,16 @@ var (
 	ErrorCodeMountOverFile = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "MOUNTOVERFILE",
 		Message:        "cannot mount volume over existing file, file exists %s",
+		Description:    "An attempt was made to mount a volume at the same location as a pre-existing file",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
 	// ErrorCodeMountSetup is generated when we can't define a mount point
-	// due to the source and destination are defined.
+	// due to the source and destination being undefined.
 	ErrorCodeMountSetup = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "MOUNTSETUP",
 		Message:        "Unable to setup mount point, neither source nor volume defined",
+		Description:    "An attempt was made to setup a mount point, but the source and destination are undefined",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -326,6 +364,7 @@ var (
 	ErrorCodeVolumeInvalidMode = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEINVALIDMODE",
 		Message:        "invalid mode for volumes-from: %s",
+		Description:    "An invalid 'mode' was specified in the mount request",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -334,6 +373,7 @@ var (
 	ErrorCodeVolumeInvalid = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEINVALID",
 		Message:        "Invalid volume specification: %s",
+		Description:    "An invalid 'volume' was specified in the mount request",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -341,6 +381,7 @@ var (
 	ErrorCodeVolumeAbs = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEABS",
 		Message:        "Invalid volume destination path: %s mount path must be absolute.",
+		Description:    "An invalid 'destination' path was specified in the mount request, it must be an absolute path",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -348,6 +389,7 @@ var (
 	ErrorCodeVolumeFromBlank = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEFROMBLANK",
 		Message:        "malformed volumes-from specification: %s",
+		Description:    "An invalid 'destination' path was specified in the mount request, it must not be blank",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -356,6 +398,7 @@ var (
 	ErrorCodeVolumeMode = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEMODE",
 		Message:        "invalid mode for volumes-from: %s",
+		Description:    "An invalid 'mode' path was specified in the mount request",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -364,6 +407,7 @@ var (
 	ErrorCodeVolumeDup = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "VOLUMEDUP",
 		Message:        "Duplicate bind mount %s",
+		Description:    "An attempt was made to mount a volume but the specified destination location is already used in a previous mount",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -372,6 +416,7 @@ var (
 	ErrorCodeCantUnpause = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "CANTUNPAUSE",
 		Message:        "Cannot unpause container %s: %s",
+		Description:    "An error occurred while trying to unpause the specified container",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -379,6 +424,7 @@ var (
 	ErrorCodePSError = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "PSError",
 		Message:        "Error running ps: %s",
+		Description:    "There was an error trying to run the 'ps' command in the specified container",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -387,6 +433,7 @@ var (
 	ErrorCodeNoPID = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOPID",
 		Message:        "Couldn't find PID field in ps output",
+		Description:    "There was no 'PID' field in the output of the 'ps' command that was executed",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -394,6 +441,7 @@ var (
 	ErrorCodeBadPID = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "BADPID",
 		Message:        "Unexpected pid '%s': %s",
+		Description:    "While trying to parse the output of the 'ps' command, the 'PID' field was not an integer",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -402,6 +450,7 @@ var (
 	ErrorCodeNoTop = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "NOTOP",
 		Message:        "Top is not supported on Windows",
+		Description:    "The 'top' command is not supported on Windows",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -410,6 +459,7 @@ var (
 	ErrorCodeStopped = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "STOPPED",
 		Message:        "Container already stopped",
+		Description:    "An attempt was made to stop a container, but the container is already stopped",
 		HTTPStatusCode: http.StatusNotModified,
 	})
 
@@ -418,14 +468,16 @@ var (
 	ErrorCodeCantStop = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "CANTSTOP",
 		Message:        "Cannot stop container %s: %s\n",
+		Description:    "An error occurred while tring to stop the specified container",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
-	// ErrorCodeBadCPUFields is generated the number of CPU fields is
+	// ErrorCodeBadCPUFields is generated when the number of CPU fields is
 	// less than 8.
 	ErrorCodeBadCPUFields = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "BADCPUFIELDS",
 		Message:        "invalid number of cpu fields",
+		Description:    "While reading the '/proc/stat' file, the number of 'cpu' fields is less than 8",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -433,6 +485,7 @@ var (
 	ErrorCodeBadCPUInt = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "BADCPUINT",
 		Message:        "Unable to convert value %s to int: %s",
+		Description:    "While reading the '/proc/stat' file, the 'CPU' field could not be parsed as an integer",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -441,6 +494,7 @@ var (
 	ErrorCodeBadStatFormat = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "BADSTATFORMAT",
 		Message:        "invalid stat format",
+		Description:    "There was an error trying to parse the '/proc/stat' file",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -448,6 +502,7 @@ var (
 	ErrorCodeTimedOut = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "TIMEDOUT",
 		Message:        "Timed out: %v",
+		Description:    "A timer expired",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -456,6 +511,7 @@ var (
 	ErrorCodeAlreadyRemoving = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "ALREADYREMOVING",
 		Message:        "Status is already RemovalInProgress",
+		Description:    "An attempt to remove a container was made, but the container is already in the process of being removed",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -463,6 +519,7 @@ var (
 	ErrorCodeStartPaused = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "STARTPAUSED",
 		Message:        "Cannot start a paused container, try unpause instead.",
+		Description:    "An attempt to start a container was made, but the container is paused. Unpause it first",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -471,6 +528,7 @@ var (
 	ErrorCodeAlreadyStarted = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "ALREADYSTARTED",
 		Message:        "Container already started",
+		Description:    "An attempt to start a container was made, but the container is already started",
 		HTTPStatusCode: http.StatusNotModified,
 	})
 
@@ -479,6 +537,7 @@ var (
 	ErrorCodeHostConfigStart = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "HOSTCONFIGSTART",
 		Message:        "Supplying a hostconfig on start is not supported. It should be supplied on create",
+		Description:    "The 'start' command does not accept 'HostConfig' data, try using the 'create' command instead",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 
@@ -487,6 +546,285 @@ var (
 	ErrorCodeCantStart = errcode.Register(errGroup, errcode.ErrorDescriptor{
 		Value:          "CANTSTART",
 		Message:        "Cannot start container %s: %s",
+		Description:    "There was an error while trying to start a container",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeCantRestart is generated when an error occurred while
+	// trying to restart a container.
+	ErrorCodeCantRestart = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "CANTRESTART",
+		Message:        "Cannot restart container %s: %s",
+		Description:    "There was an error while trying to restart a container",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeEmptyRename is generated when one of the names on a
+	// rename is empty.
+	ErrorCodeEmptyRename = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EMPTYRENAME",
+		Message:        "Neither old nor new names may be empty",
+		Description:    "An attempt was made to rename a container but either the old or new names were blank",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRenameTaken is generated when we try to rename but the
+	// new name isn't available.
+	ErrorCodeRenameTaken = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RENAMETAKEN",
+		Message:        "Error when allocating new name: %s",
+		Description:    "The new name specified on the 'rename' command is already being used",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRenameDelete is generated when we try to rename but
+	// failed trying to delete the old container.
+	ErrorCodeRenameDelete = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RENAMEDELETE",
+		Message:        "Failed to delete container %q: %v",
+		Description:    "There was an error trying to delete the specified container",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodePauseError is generated when we try to pause a container
+	// but failed.
+	ErrorCodePauseError = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "PAUSEERROR",
+		Message:        "Cannot pause container %s: %s",
+		Description:    "There was an error trying to pause the specified container",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeNeedStream is generated when we try to stream a container's
+	// logs but no output stream was specified.
+	ErrorCodeNeedStream = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "NEEDSTREAM",
+		Message:        "You must choose at least one stream",
+		Description:    "While trying to stream a container's logs, no output stream was specified",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeDanglingOne is generated when we try to specify more than one
+	// 'dangling' specifier.
+	ErrorCodeDanglingOne = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "DANLGINGONE",
+		Message:        "Conflict: cannot use more than 1 value for `dangling` filter",
+		Description:    "The specified 'dangling' filter may not have more than one value",
+		HTTPStatusCode: http.StatusConflict,
+	})
+
+	// ErrorCodeImgDelUsed is generated when we try to delete an image
+	// but it is being used.
+	ErrorCodeImgDelUsed = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "IMGDELUSED",
+		Message:        "conflict: unable to remove repository reference %q (must force) - container %s is using its referenced image %s",
+		Description:    "An attempt was made to delete an image but it is currently being used",
+		HTTPStatusCode: http.StatusConflict,
+	})
+
+	// ErrorCodeImgNoParent is generated when we try to find an image's
+	// parent but its not in the graph.
+	ErrorCodeImgNoParent = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "IMGNOPARENT",
+		Message:        "unable to get parent image: %v",
+		Description:    "There was an error trying to find an image's parent, it was not in the graph",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExportFailed is generated when an export fails.
+	ErrorCodeExportFailed = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXPORTFAILED",
+		Message:        "%s: %s",
+		Description:    "There was an error during an export operation",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExecResize is generated when we try to resize an exec
+	// but its not running.
+	ErrorCodeExecResize = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECRESIZE",
+		Message:        "Exec %s is not running, so it can not be resized.",
+		Description:    "An attempt was made to resize an 'exec', but the 'exec' is not running",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeContainerNotRunning is generated when we try to get the info
+	// on an exec but the container is not running.
+	ErrorCodeContainerNotRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "CONTAINERNOTRUNNING",
+		Message:        "Container %s is not running: %s",
+		Description:    "An attempt was made to retrieve the information about an 'exec' but the container is not running",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeNoExecID is generated when we try to get the info
+	// on an exec but it can't be found.
+	ErrorCodeNoExecID = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "NOEXECID",
+		Message:        "No such exec instance '%s' found in daemon",
+		Description:    "The specified 'exec' instance could not be found",
+		HTTPStatusCode: http.StatusNotFound,
+	})
+
+	// ErrorCodeExecPaused is generated when we try to start an exec
+	// but the container is paused.
+	ErrorCodeExecPaused = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECPAUSED",
+		Message:        "Container %s is paused, unpause the container before exec",
+		Description:    "An attempt to start an 'exec' was made, but the owning container is paused",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExecRunning is generated when we try to start an exec
+	// but its already running.
+	ErrorCodeExecRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECRUNNING",
+		Message:        "Error: Exec command %s is already running",
+		Description:    "An attempt to start an 'exec' was made, but 'exec' is already running",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExecCantRun is generated when we try to start an exec
+	// but it failed for some reason.
+	ErrorCodeExecCantRun = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECCANTRUN",
+		Message:        "Cannot run exec command %s in container %s: %s",
+		Description:    "An attempt to start an 'exec' was made, but an error occurred",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExecAttach is generated when we try to attach to an exec
+	// but failed.
+	ErrorCodeExecAttach = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECATTACH",
+		Message:        "attach failed with error: %s",
+		Description:    "There was an error while trying to attach to an 'exec'",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeExecContainerStopped is generated when we try to start
+	// an exec but then the container stopped.
+	ErrorCodeExecContainerStopped = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "EXECCONTAINERSTOPPED",
+		Message:        "container stopped while running exec",
+		Description:    "An attempt was made to start an 'exec' but the owning container is in the 'stopped' state",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeDefaultName is generated when we try to delete the
+	// default name of a container.
+	ErrorCodeDefaultName = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "DEFAULTNAME",
+		Message:        "Conflict, cannot remove the default name of the container",
+		Description:    "An attempt to delete the default name of a container was made, but that is not allowed",
+		HTTPStatusCode: http.StatusConflict,
+	})
+
+	// ErrorCodeNoParent is generated when we try to delete a container
+	// but we can't find its parent image.
+	ErrorCodeNoParent = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "NOPARENT",
+		Message:        "Cannot get parent %s for name %s",
+		Description:    "An attempt was made to delete a container but its parent image could not be found",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeCantDestroy is generated when we try to delete a container
+	// but failed for some reason.
+	ErrorCodeCantDestroy = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "CANTDESTROY",
+		Message:        "Cannot destroy container %s: %v",
+		Description:    "An attempt was made to delete a container but it failed",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmRunning is generated when we try to delete a container
+	// but its still running.
+	ErrorCodeRmRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMRUNNING",
+		Message:        "Conflict, You cannot remove a running container. Stop the container before attempting removal or use -f",
+		Description:    "An attempt was made to delete a container but the container is still running, try to either stop it first or use '-f'",
+		HTTPStatusCode: http.StatusConflict,
+	})
+
+	// ErrorCodeRmFailed is generated when we try to delete a container
+	// but it failed for some reason.
+	ErrorCodeRmFailed = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMFAILED",
+		Message:        "Could not kill running container, cannot remove - %v",
+		Description:    "An error occurred while trying to delete a running container",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmNotFound is generated when we try to delete a container
+	// but couldn't find it.
+	ErrorCodeRmNotFound = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMNOTFOUND",
+		Message:        "Could not kill running container, cannot remove - %v",
+		Description:    "An attempt to delete a container was made but the container could not be found",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmState is generated when we try to delete a container
+	// but couldn't set its state to RemovalInProgress.
+	ErrorCodeRmState = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMSTATE",
+		Message:        "Failed to set container state to RemovalInProgress: %s",
+		Description:    "An attempt to delete a container was made, but there as an error trying to set its state to 'RemovalInProgress'",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmDriverFS is generated when we try to delete a container
+	// but the driver failed to delete its filesystem.
+	ErrorCodeRmDriverFS = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMDRIVERFS",
+		Message:        "Driver %s failed to remove root filesystem %s: %s",
+		Description:    "While trying to delete a container, the driver failed to remove the root filesystem",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmInit is generated when we try to delete a container
+	// but failed deleting its init filesystem.
+	ErrorCodeRmInit = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMINIT",
+		Message:        "Driver %s failed to remove init filesystem %s: %s",
+		Description:    "While trying to delete a container, the driver failed to remove the init filesystem",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmFS is generated when we try to delete a container
+	// but failed deleting its filesystem.
+	ErrorCodeRmFS = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMFS",
+		Message:        "Unable to remove filesystem for %v: %v",
+		Description:    "While trying to delete a container, the driver failed to remove the filesystem",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmExecDriver is generated when we try to delete a container
+	// but failed deleting its exec driver data.
+	ErrorCodeRmExecDriver = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMEXECDRIVER",
+		Message:        "Unable to remove execdriver data for %s: %s",
+		Description:    "While trying to delete a container, there was an error trying to remove th exec driver data",
+		HTTPStatusCode: http.StatusInternalServerError,
+	})
+
+	// ErrorCodeRmVolumeInUse is generated when we try to delete a container
+	// but failed deleting a volume because its being used.
+	ErrorCodeRmVolumeInUse = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMVOLUMEINUSE",
+		Message:        "Conflict: %v",
+		Description:    "While trying to delete a container, one of its volumes is still being used",
+		HTTPStatusCode: http.StatusConflict,
+	})
+
+	// ErrorCodeRmVolume is generated when we try to delete a container
+	// but failed deleting a volume.
+	ErrorCodeRmVolume = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:          "RMVOLUME",
+		Message:        "Error while removing volume %s: %v",
+		Description:    "While trying to delete a container, there was an error trying to delete one of its volumes",
 		HTTPStatusCode: http.StatusInternalServerError,
 	})
 )