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feat(platform): anywhere component upgrade (#2227)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
|
|
||
| v1 "k8s.io/api/admission/v1" | ||
| "k8s.io/apimachinery/pkg/util/validation/field" | ||
| platform "tkestack.io/tke/api/platform" | ||
| platformv1 "tkestack.io/tke/api/platform/v1" | ||
| clusterprovider "tkestack.io/tke/pkg/platform/provider/cluster" | ||
| "tkestack.io/tke/pkg/platform/types" | ||
| "tkestack.io/tke/pkg/util/log" | ||
| ) | ||
|
|
||
| func Mutate(reponseWriter http.ResponseWriter, request *http.Request) { | ||
| var body []byte | ||
| var err error | ||
| if request.Body != nil { | ||
| if body, err = ioutil.ReadAll(request.Body); err != nil { | ||
| log.Errorf("request body read failed, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("request body read failed, err: %v", err), http.StatusBadRequest) | ||
| return | ||
| } | ||
| if len(body) == 0 { | ||
| log.Errorf("request body length 0") | ||
| http.Error(reponseWriter, "request body length 0", http.StatusBadRequest) | ||
| return | ||
| } | ||
| } else { | ||
| log.Errorf("request body nil") | ||
| http.Error(reponseWriter, "request body nil", http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| contentType := request.Header.Get("Content-Type") | ||
| if contentType != "application/json" { | ||
| log.Errorf("Content-Type=%s, expect `application/json`", contentType) | ||
| http.Error(reponseWriter, fmt.Sprintf("Content-Type=%s, expect `application/json`", contentType), http.StatusUnsupportedMediaType) | ||
| return | ||
| } | ||
|
|
||
| admissionReview := v1.AdmissionReview{} | ||
| if _, _, err := deserializer.Decode(body, nil, &admissionReview); err != nil { | ||
| log.Errorf("decode request body to admission review failed, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("decode request body to admission review failed, err: %v", err), http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| var admissionResponse *v1.AdmissionResponse | ||
| switch admissionReview.Request.Kind.Kind { | ||
| case "Cluster": | ||
| v1Cluster := platformv1.Cluster{} | ||
| if err := json.Unmarshal(admissionReview.Request.Object.Raw, &v1Cluster); err != nil { | ||
| log.Errorf("Can't unmarshal cluster, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't unmarshal cluster, err: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| cluster := platform.Cluster{} | ||
| if err = platformv1.Convert_v1_Cluster_To_platform_Cluster(&v1Cluster, &cluster, nil); err != nil { | ||
| log.Errorf("Can't convert v1cluster to cluster, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't convert v1cluster to cluster, err: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| if admissionReview.Request.Operation == v1.Update { | ||
| v1OldCluster := platformv1.Cluster{} | ||
| if err := json.Unmarshal(admissionReview.Request.OldObject.Raw, &v1OldCluster); err != nil { | ||
| log.Errorf("Can't unmarshal old cluster, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't unmarshal old cluster, err: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
| oldCluster := platform.Cluster{} | ||
| if err = platformv1.Convert_v1_Cluster_To_platform_Cluster(&v1OldCluster, &oldCluster, nil); err != nil { | ||
| log.Errorf("Can't convert v1oldcluster to oldcluster, err: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't convert v1oldcluster to oldcluster, err: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
| admissionResponse = MutateClusterUpdate(&cluster, &oldCluster) | ||
| } | ||
| default: | ||
| log.Errorf("Can't recognized request kind %v", admissionReview.Request.Kind) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't recognized request kind %v", admissionReview.Request.Kind), http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| admissionReview.Response = admissionResponse | ||
| admissionReview.Response.UID = admissionReview.Request.UID | ||
|
|
||
| admissionReviewBytes, err := json.Marshal(admissionReview) | ||
| if err != nil { | ||
| log.Errorf("Can't encode response: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't encode response: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
| if _, err := reponseWriter.Write(admissionReviewBytes); err != nil { | ||
| log.Errorf("Can't write response: %v", err) | ||
| http.Error(reponseWriter, fmt.Sprintf("Can't write response: %v", err), http.StatusInternalServerError) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| func MutateClusterUpdate(cluster *platform.Cluster, oldCluster *platform.Cluster) *v1.AdmissionResponse { | ||
| typeCluster := types.Cluster{ | ||
| Cluster: cluster, | ||
| } | ||
| oldTypeCluster := types.Cluster{ | ||
| Cluster: oldCluster, | ||
| } | ||
|
|
||
| errorList := field.ErrorList{} | ||
| p, err := clusterprovider.GetProvider(cluster.Spec.Type) | ||
| if err != nil { | ||
| errorList = append(errorList, field.NotFound(field.NewPath("spec").Child("type"), cluster.Spec.Type)) | ||
| return transferErrorList(&errorList, fmt.Sprintf("cluster %s update mutate failed: %v", oldCluster.Name, errorList.ToAggregate().Errors())) | ||
| } | ||
| jsonPatchByte, errorList := p.MutateUpdate(&typeCluster, &oldTypeCluster) | ||
| if len(errorList) != 0 { | ||
| return transferErrorList(&errorList, fmt.Sprintf("cluster %s update mutate failed: %v", oldCluster.Name, errorList.ToAggregate().Errors())) | ||
| } | ||
| if jsonPatchByte == nil { | ||
| return &v1.AdmissionResponse{ | ||
| Allowed: true, | ||
| } | ||
| } | ||
|
|
||
| patchType := v1.PatchTypeJSONPatch | ||
| return &v1.AdmissionResponse{ | ||
| Allowed: true, | ||
| Patch: jsonPatchByte, | ||
| PatchType: &patchType, | ||
| } | ||
| } |
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