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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"`
IgnoreNotRunning bool `schema:"running"`
}{
// 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 err := ctnr.AttachResize(sz); err != nil {
if errors.Cause(err) != define.ErrCtrStateInvalid {
utils.InternalServerError(w, errors.Wrapf(err, "cannot resize container"))
} else {
utils.Error(w, "Container not running", http.StatusConflict, err)
}
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 && !query.IgnoreNotRunning {
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 {
if errors.Cause(err) != define.ErrExecSessionStateInvalid || !query.IgnoreNotRunning {
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)
}
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