package libpod import ( "context" "encoding/json" "net/http" "strconv" "github.com/containers/podman/v4/libpod" "github.com/containers/podman/v4/pkg/api/handlers/utils" api "github.com/containers/podman/v4/pkg/api/types" "github.com/containers/podman/v4/pkg/domain/entities" "github.com/containers/podman/v4/pkg/specgen" "github.com/containers/podman/v4/pkg/specgen/generate" "github.com/containers/podman/v4/pkg/specgenutil" "github.com/pkg/errors" ) // CreateContainer takes a specgenerator and makes a container. It returns // the new container ID on success along with any warnings. func CreateContainer(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) conf, err := runtime.GetConfigNoCopy() if err != nil { utils.InternalServerError(w, err) return } // we have to set the default before we decode to make sure the correct default is set when the field is unset sg := specgen.SpecGenerator{ ContainerNetworkConfig: specgen.ContainerNetworkConfig{ UseImageHosts: conf.Containers.NoHosts, }, } if err := json.NewDecoder(r.Body).Decode(&sg); err != nil { utils.Error(w, http.StatusInternalServerError, errors.Wrap(err, "Decode()")) return } if sg.Passwd == nil { t := true sg.Passwd = &t } // need to check for memory limit to adjust swap if sg.ResourceLimits != nil && sg.ResourceLimits.Memory != nil { s := "" var l int64 = 0 if sg.ResourceLimits.Memory.Swap != nil { s = strconv.Itoa(int(*sg.ResourceLimits.Memory.Swap)) } if sg.ResourceLimits.Memory.Limit != nil { l = *sg.ResourceLimits.Memory.Limit } specgenutil.LimitToSwap(sg.ResourceLimits.Memory, s, l) } warn, err := generate.CompleteSpec(r.Context(), runtime, &sg) if err != nil { utils.InternalServerError(w, err) return } rtSpec, spec, opts, err := generate.MakeContainer(context.Background(), runtime, &sg, false, nil) if err != nil { utils.InternalServerError(w, err) return } ctr, err := generate.ExecuteCreate(context.Background(), runtime, rtSpec, spec, false, opts...) if err != nil { utils.InternalServerError(w, err) return } response := entities.ContainerCreateResponse{ID: ctr.ID(), Warnings: warn} utils.WriteJSON(w, http.StatusCreated, response) }