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|
package compat
import (
"errors"
"fmt"
"net/http"
"strings"
"github.com/containers/podman/v4/libpod"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/api/handlers/utils"
api "github.com/containers/podman/v4/pkg/api/types"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
)
func ResizeTTY(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
decoder := r.Context().Value(api.DecoderKey).(*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.StatusBadRequest, fmt.Errorf("failed to parse parameters for %s: %w", r.URL.String(), err))
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.Is(err, define.ErrCtrStateInvalid) {
utils.InternalServerError(w, fmt.Errorf("cannot resize container: %w", err))
} else {
utils.Error(w, 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, fmt.Errorf("cannot obtain session container state: %w", err))
return
} else if state != define.ContainerStateRunning && !query.IgnoreNotRunning {
utils.Error(w, http.StatusConflict, fmt.Errorf("container %q in wrong state %q", name, state.String()))
return
}
if err := ctnr.ExecResize(name, sz); err != nil {
if !errors.Is(err, define.ErrExecSessionStateInvalid) || !query.IgnoreNotRunning {
utils.InternalServerError(w, fmt.Errorf("cannot resize session: %w", err))
return
}
}
// This is not a 204, even though we write nothing, for compatibility
// reasons.
status = http.StatusCreated
}
w.WriteHeader(status)
}
|
