handle error

remove useless errStr

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor@docker.com> (github: vieux)
This commit is contained in:
Victor Vieux 2013-12-11 15:23:38 -08:00 коммит произвёл Victor Vieux
Родитель 4e414f6205
Коммит aa3339cf39
3 изменённых файлов: 50 добавлений и 31 удалений

24
api.go
Просмотреть файл

@ -71,13 +71,13 @@ func httpError(w http.ResponseWriter, err error) {
// create appropriate error types with clearly defined meaning.
if strings.Contains(err.Error(), "No such") {
statusCode = http.StatusNotFound
} else if strings.HasPrefix(err.Error(), "Bad parameter") {
} else if strings.Contains(err.Error(), "Bad parameter") {
statusCode = http.StatusBadRequest
} else if strings.HasPrefix(err.Error(), "Conflict") {
} else if strings.Contains(err.Error(), "Conflict") {
statusCode = http.StatusConflict
} else if strings.HasPrefix(err.Error(), "Impossible") {
} else if strings.Contains(err.Error(), "Impossible") {
statusCode = http.StatusNotAcceptable
} else if strings.HasPrefix(err.Error(), "Wrong login/password") {
} else if strings.Contains(err.Error(), "Wrong login/password") {
statusCode = http.StatusUnauthorized
} else if strings.Contains(err.Error(), "hasn't been activated") {
statusCode = http.StatusForbidden
@ -618,18 +618,10 @@ func deleteContainers(srv *Server, version float64, w http.ResponseWriter, r *ht
if vars == nil {
return fmt.Errorf("Missing parameter")
}
name := vars["name"]
removeVolume, err := getBoolParam(r.Form.Get("v"))
if err != nil {
return err
}
removeLink, err := getBoolParam(r.Form.Get("link"))
if err != nil {
return err
}
if err := srv.ContainerDestroy(name, removeVolume, removeLink); err != nil {
job := srv.Eng.Job("container_delete", vars["name"])
job.Setenv("removeVolume", r.Form.Get("v"))
job.Setenv("removeLink", r.Form.Get("link"))
if err := job.Run(); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)

Просмотреть файл

@ -95,7 +95,9 @@ func TestCreateRm(t *testing.T) {
t.Errorf("Expected 1 container, %v found", len(c))
}
if err = srv.ContainerDestroy(id, true, false); err != nil {
job := eng.Job("container_delete", id)
job.SetenvBool("removeVolume", true)
if err := job.Run(); err != nil {
t.Fatal(err)
}
@ -135,7 +137,9 @@ func TestCreateRmVolumes(t *testing.T) {
t.Fatal(err)
}
if err = srv.ContainerDestroy(id, true, false); err != nil {
job = eng.Job("container_delete", id)
job.SetenvBool("removeVolume", true)
if err := job.Run(); err != nil {
t.Fatal(err)
}
@ -211,7 +215,9 @@ func TestCreateStartRestartStopStartKillRm(t *testing.T) {
}
// FIXME: this failed once with a race condition ("Unable to remove filesystem for xxx: directory not empty")
if err := srv.ContainerDestroy(id, true, false); err != nil {
job = eng.Job("container_delete", id)
job.SetenvBool("removeVolume", true)
if err := job.Run(); err != nil {
t.Fatal(err)
}

Просмотреть файл

@ -116,6 +116,10 @@ func jobInitApi(job *engine.Job) engine.Status {
job.Error(err)
return engine.StatusErr
}
if err := job.Eng.Register("container_delete", srv.ContainerDestroy); err != nil {
job.Error(err)
return engine.StatusErr
}
return engine.StatusOK
}
@ -1431,24 +1435,36 @@ func (srv *Server) ContainerRestart(name string, t int) error {
return nil
}
func (srv *Server) ContainerDestroy(name string, removeVolume, removeLink bool) error {
func (srv *Server) ContainerDestroy(job *engine.Job) engine.Status {
if len(job.Args) != 1 {
job.Errorf("Not enough arguments. Usage: %s CONTAINER\n", job.Name)
return engine.StatusErr
}
name := job.Args[0]
removeVolume := job.GetenvBool("removeVolume")
removeLink := job.GetenvBool("removeLink")
container := srv.runtime.Get(name)
if removeLink {
if container == nil {
return fmt.Errorf("No such link: %s", name)
job.Errorf("No such link: %s", name)
return engine.StatusErr
}
name, err := srv.runtime.getFullName(name)
if err != nil {
return err
job.Error(err)
return engine.StatusErr
}
parent, n := path.Split(name)
if parent == "/" {
return fmt.Errorf("Conflict, cannot remove the default name of the container")
job.Errorf("Conflict, cannot remove the default name of the container")
return engine.StatusErr
}
pe := srv.runtime.containerGraph.Get(parent)
if pe == nil {
return fmt.Errorf("Cannot get parent %s for name %s", parent, name)
job.Errorf("Cannot get parent %s for name %s", parent, name)
return engine.StatusErr
}
parentContainer := srv.runtime.Get(pe.ID())
@ -1461,14 +1477,16 @@ func (srv *Server) ContainerDestroy(name string, removeVolume, removeLink bool)
}
if err := srv.runtime.containerGraph.Delete(name); err != nil {
return err
job.Error(err)
return engine.StatusErr
}
return nil
return engine.StatusOK
}
if container != nil {
if container.State.IsRunning() {
return fmt.Errorf("Impossible to remove a running container, please stop it first")
job.Errorf("Impossible to remove a running container, please stop it first")
return engine.StatusErr
}
volumes := make(map[string]struct{})
@ -1493,7 +1511,8 @@ func (srv *Server) ContainerDestroy(name string, removeVolume, removeLink bool)
volumes[volumeId] = struct{}{}
}
if err := srv.runtime.Destroy(container); err != nil {
return fmt.Errorf("Cannot destroy container %s: %s", name, err)
job.Errorf("Cannot destroy container %s: %s", name, err)
return engine.StatusErr
}
srv.LogEvent("destroy", container.ID, srv.runtime.repositories.ImageName(container.Image))
@ -1513,14 +1532,16 @@ func (srv *Server) ContainerDestroy(name string, removeVolume, removeLink bool)
continue
}
if err := srv.runtime.volumes.Delete(volumeId); err != nil {
return err
job.Error(err)
return engine.StatusErr
}
}
}
} else {
return fmt.Errorf("No such container: %s", name)
job.Errorf("No such container: %s", name)
return engine.StatusErr
}
return nil
return engine.StatusOK
}
var ErrImageReferenced = errors.New("Image referenced by a repository")