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error when name already exists in docker run 

Signed-off-by: Victor Vieux <vieux@docker.com>
This commit is contained in:
Victor Vieux 2014-12-09 00:18:22 +00:00
parent 541cb74e84
commit 21ee7e1a13
1 changed files with 10 additions and 2 deletions
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12
api/api.go
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@ -127,7 +127,10 @@ func getContainerJSON(c *context, w http.ResponseWriter, r *http.Request) {
// POST /containers/create // POST /containers/create
func postContainersCreate(c *context, w http.ResponseWriter, r *http.Request) { func postContainersCreate(c *context, w http.ResponseWriter, r *http.Request) {
r.ParseForm() r.ParseForm()
var config dockerclient.ContainerConfig var (
config dockerclient.ContainerConfig
name = r.Form.Get("name")
)
if err := json.NewDecoder(r.Body).Decode(&config); err != nil { if err := json.NewDecoder(r.Body).Decode(&config); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest) http.Error(w, err.Error(), http.StatusBadRequest)
@ -139,7 +142,12 @@ func postContainersCreate(c *context, w http.ResponseWriter, r *http.Request) {
return return
} }
container, err := c.scheduler.CreateContainer(&config, r.Form.Get("name")) if container := c.cluster.Container(name); container != nil {
http.Error(w, fmt.Sprintf("Conflict, The name %s is already assigned to %s. You have to delete (or rename) that container to be able to assign %s to a container again.", name, container.Id, name), http.StatusConflict)
return
}
container, err := c.scheduler.CreateContainer(&config, name)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
return return