package tunnel import ( "context" "github.com/containers/podman/v3/libpod/define" "github.com/containers/podman/v3/pkg/bindings/containers" "github.com/containers/podman/v3/pkg/bindings/pods" "github.com/containers/podman/v3/pkg/domain/entities" "github.com/containers/podman/v3/pkg/errorhandling" "github.com/pkg/errors" ) // FIXME: the `ignore` parameter is very likely wrong here as it should rather // be used on *errors* from operations such as remove. func getContainersByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string) ([]entities.ListContainer, error) { ctrs, _, err := getContainersAndInputByContext(contextWithConnection, all, ignore, namesOrIDs) return ctrs, err } func getContainersAndInputByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string) ([]entities.ListContainer, []string, error) { if all && len(namesOrIDs) > 0 { return nil, nil, errors.New("cannot lookup containers and all") } options := new(containers.ListOptions).WithAll(true).WithSync(true) allContainers, err := containers.List(contextWithConnection, options) if err != nil { return nil, nil, err } rawInputs := []string{} if all { for i := range allContainers { rawInputs = append(rawInputs, allContainers[i].ID) } return allContainers, rawInputs, err } // Note: it would be nicer if the lists endpoint would support that as // we could use the libpod backend for looking up containers rather // than risking diverging the local and remote lookups. // // A `--filter nameOrId=abc` that can be specified multiple times would // be awesome to have. filtered := []entities.ListContainer{} for _, nameOrID := range namesOrIDs { // First determine if the container exists by doing an inspect. // Inspect takes supports names and IDs and let's us determine // a containers full ID. inspectData, err := containers.Inspect(contextWithConnection, nameOrID, new(containers.InspectOptions).WithSize(false)) if err != nil { if ignore && errorhandling.Contains(err, define.ErrNoSuchCtr) { continue } return nil, nil, err } // Now we can do a full match of the ID to find the right // container. Note that we *really* need a full ID match to // prevent any ambiguities between IDs and names (see #7837). found := false for _, ctr := range allContainers { if ctr.ID == inspectData.ID { filtered = append(filtered, ctr) rawInputs = append(rawInputs, nameOrID) found = true break } } if !found && !ignore { return nil, nil, errors.Wrapf(define.ErrNoSuchCtr, "unable to find container %q", nameOrID) } } return filtered, rawInputs, nil } func getPodsByContext(contextWithConnection context.Context, all bool, namesOrIDs []string) ([]*entities.ListPodsReport, error) { if all && len(namesOrIDs) > 0 { return nil, errors.New("cannot lookup specific pods and all") } allPods, err := pods.List(contextWithConnection, nil) if err != nil { return nil, err } if all { return allPods, nil } filtered := []*entities.ListPodsReport{} // Note: it would be nicer if the lists endpoint would support that as // we could use the libpod backend for looking up pods rather than // risking diverging the local and remote lookups. // // A `--filter nameOrId=abc` that can be specified multiple times would // be awesome to have. for _, nameOrID := range namesOrIDs { // First determine if the pod exists by doing an inspect. // Inspect takes supports names and IDs and let's us determine // a containers full ID. inspectData, err := pods.Inspect(contextWithConnection, nameOrID, nil) if err != nil { if errorhandling.Contains(err, define.ErrNoSuchPod) { return nil, errors.Wrapf(define.ErrNoSuchPod, "unable to find pod %q", nameOrID) } return nil, err } // Now we can do a full match of the ID to find the right pod. // Note that we *really* need a full ID match to prevent any // ambiguities between IDs and names (see #7837). found := false for _, pod := range allPods { if pod.Id == inspectData.ID { filtered = append(filtered, pod) found = true break } } if !found { return nil, errors.Wrapf(define.ErrNoSuchPod, "unable to find pod %q", nameOrID) } } return filtered, nil }