package compat import ( "fmt" "net/http" "strings" "github.com/containers/podman/v3/libpod" "github.com/containers/podman/v3/libpod/define" "github.com/containers/podman/v3/pkg/api/handlers/utils" "github.com/gorilla/mux" "github.com/gorilla/schema" "github.com/pkg/errors" ) func ResizeTTY(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value("runtime").(*libpod.Runtime) decoder := r.Context().Value("decoder").(*schema.Decoder) // /containers/{id}/resize query := struct { Height uint16 `schema:"h"` Width uint16 `schema:"w"` }{ // override any golang type defaults } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } sz := define.TerminalSize{ Width: query.Width, Height: query.Height, } var status int switch { case strings.Contains(r.URL.Path, "/containers/"): name := utils.GetName(r) ctnr, err := runtime.LookupContainer(name) if err != nil { utils.ContainerNotFound(w, name, err) return } if state, err := ctnr.State(); err != nil { utils.InternalServerError(w, errors.Wrapf(err, "cannot obtain container state")) return } else if state != define.ContainerStateRunning { utils.Error(w, "Container not running", http.StatusConflict, fmt.Errorf("container %q in wrong state %q", name, state.String())) return } if err := ctnr.AttachResize(sz); err != nil { utils.InternalServerError(w, errors.Wrapf(err, "cannot resize container")) return } // This is not a 204, even though we write nothing, for compatibility // reasons. status = http.StatusOK case strings.Contains(r.URL.Path, "/exec/"): name := mux.Vars(r)["id"] ctnr, err := runtime.GetExecSessionContainer(name) if err != nil { utils.SessionNotFound(w, name, err) return } if state, err := ctnr.State(); err != nil { utils.InternalServerError(w, errors.Wrapf(err, "cannot obtain session container state")) return } else if state != define.ContainerStateRunning { utils.Error(w, "Container not running", http.StatusConflict, fmt.Errorf("container %q in wrong state %q", name, state.String())) return } if err := ctnr.ExecResize(name, sz); err != nil { utils.InternalServerError(w, errors.Wrapf(err, "cannot resize session")) return } // This is not a 204, even though we write nothing, for compatibility // reasons. status = http.StatusCreated } w.WriteHeader(status) }