|
| 1 | +package app |
| 2 | + |
| 3 | +import ( |
| 4 | + agonesv1 "agones.dev/agones/pkg/apis/agones/v1" |
| 5 | + "github.com/imroc/tke-extend-network-controller/pkg/clusterinfo" |
| 6 | + gamekruiseiov1alpha1 "github.com/openkruise/kruise-game/apis/v1alpha1" |
| 7 | + "github.com/pkg/errors" |
| 8 | + "k8s.io/apimachinery/pkg/api/meta" |
| 9 | + "k8s.io/apimachinery/pkg/runtime/schema" |
| 10 | + utilruntime "k8s.io/apimachinery/pkg/util/runtime" |
| 11 | + "k8s.io/client-go/discovery" |
| 12 | + memory "k8s.io/client-go/discovery/cached" |
| 13 | + "k8s.io/client-go/rest" |
| 14 | + "k8s.io/client-go/restmapper" |
| 15 | +) |
| 16 | + |
| 17 | +// 手动创建 RESTMapper |
| 18 | +func createRESTMapper(config *rest.Config) (meta.RESTMapper, error) { |
| 19 | + // 1. 创建 Discovery 客户端 |
| 20 | + dc, err := discovery.NewDiscoveryClientForConfig(config) |
| 21 | + if err != nil { |
| 22 | + return nil, err |
| 23 | + } |
| 24 | + |
| 25 | + // 2. 创建带内存缓存的 Discovery 客户端（提高性能） |
| 26 | + cachedClient := memory.NewMemCacheClient(dc) |
| 27 | + |
| 28 | + // 3. 创建延迟加载的 RESTMapper |
| 29 | + mapper := restmapper.NewDeferredDiscoveryRESTMapper(cachedClient) |
| 30 | + |
| 31 | + return mapper, nil |
| 32 | +} |
| 33 | + |
| 34 | +func InitOptionalScheme(config *rest.Config) error { |
| 35 | + restMapper, err := createRESTMapper(config) |
| 36 | + if err != nil { |
| 37 | + return errors.WithStack(err) |
| 38 | + } |
| 39 | + if err := initAgonesScheme(restMapper); err != nil { |
| 40 | + return errors.WithStack(err) |
| 41 | + } |
| 42 | + if err := initOKGScheme(restMapper); err != nil { |
| 43 | + return errors.WithStack(err) |
| 44 | + } |
| 45 | + return nil |
| 46 | +} |
| 47 | + |
| 48 | +func initAgonesScheme(restMapper meta.RESTMapper) error { |
| 49 | + agonesGVK := schema.GroupVersionKind{ |
| 50 | + Group: "agones.dev", |
| 51 | + Version: "v1", |
| 52 | + Kind: "GameServer", |
| 53 | + } |
| 54 | + // 检查 CRD 是否存在 |
| 55 | + if installed, err := isCRDInstalled(restMapper, agonesGVK); err != nil { |
| 56 | + return errors.WithStack(err) |
| 57 | + } else if installed { |
| 58 | + utilruntime.Must(agonesv1.AddToScheme(scheme)) |
| 59 | + clusterinfo.AgonesSupported = true |
| 60 | + setupLog.Info("agones CRD discovered, will enable agones support") |
| 61 | + } |
| 62 | + return nil |
| 63 | +} |
| 64 | + |
| 65 | +func initOKGScheme(restMapper meta.RESTMapper) error { |
| 66 | + okgGVK := schema.GroupVersionKind{ |
| 67 | + Group: "game.kruise.io", |
| 68 | + Version: "v1alpha1", |
| 69 | + Kind: "GameServerSet", |
| 70 | + } |
| 71 | + // 检查 CRD 是否存在 |
| 72 | + if installed, err := isCRDInstalled(restMapper, okgGVK); err != nil { |
| 73 | + return errors.WithStack(err) |
| 74 | + } else if installed { |
| 75 | + utilruntime.Must(gamekruiseiov1alpha1.AddToScheme(scheme)) |
| 76 | + clusterinfo.OKGSupported = true |
| 77 | + setupLog.Info("OpenKruiseGame CRD discovered, will enable OpenKruiseGame support") |
| 78 | + } |
| 79 | + return nil |
| 80 | +} |
| 81 | + |
| 82 | +// 检查 CRD 是否存在的函数 |
| 83 | +func isCRDInstalled(restMapper meta.RESTMapper, gvk schema.GroupVersionKind) (bool, error) { |
| 84 | + _, err := restMapper.RESTMapping(gvk.GroupKind(), gvk.Version) |
| 85 | + if err != nil { |
| 86 | + if meta.IsNoMatchError(err) { |
| 87 | + return false, nil |
| 88 | + } |
| 89 | + return false, errors.WithStack(err) |
| 90 | + } |
| 91 | + return true, nil |
| 92 | +} |
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