Aggregator: Add mutation and validation handlers (#92036)

pkg/aggregator/apiserver/plugin/fakes/client.go

@@ -0,0 +1,38 @@
+package fakes
+
+import (
+	"context"
+	"errors"
+
+	"github.com/grafana/grafana-plugin-sdk-go/backend"
+)
+
+type FakePluginClient struct {
+	backend.QueryDataHandlerFunc
+	backend.MutateAdmissionFunc
+	backend.ValidateAdmissionFunc
+}
+
+func (pc *FakePluginClient) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
+	if pc.QueryDataHandlerFunc != nil {
+		return pc.QueryDataHandlerFunc(ctx, req)
+	}
+
+	return nil, errors.New("QueryDataHandlerFunc not implemented")
+}
+
+func (pc *FakePluginClient) ValidateAdmission(ctx context.Context, req *backend.AdmissionRequest) (*backend.ValidationResponse, error) {
+	if pc.ValidateAdmissionFunc != nil {
+		return pc.ValidateAdmissionFunc(ctx, req)
+	}
+
+	return nil, errors.New("ValidateAdmissionFunc not implemented")
+}
+
+func (pc *FakePluginClient) MutateAdmission(ctx context.Context, req *backend.AdmissionRequest) (*backend.MutationResponse, error) {
+	if pc.MutateAdmissionFunc != nil {
+		return pc.MutateAdmissionFunc(ctx, req)
+	}
+
+	return nil, errors.New("MutateAdmissionFunc not implemented")
+}

pkg/aggregator/apiserver/plugin/fakes/http.go

@@ -0,0 +1,13 @@
+package fakes
+
+import "net/http"
+
+func NewFakeHTTPHandler(status int, res []byte) http.HandlerFunc {
+	return func(w http.ResponseWriter, req *http.Request) {
+		w.WriteHeader(status)
+		_, err := w.Write(res)
+		if err != nil {
+			panic(err)
+		}
+	}
+}

pkg/aggregator/apiserver/plugin/fakes/plugin_context.go

@@ -0,0 +1,16 @@
+package fakes
+
+import (
+	"context"
+
+	"github.com/grafana/grafana-plugin-sdk-go/backend"
+)
+
+type FakePluginContextProvider struct {
+	PluginContext backend.PluginContext
+	Err           error
+}
+
+func (f FakePluginContextProvider) GetPluginContext(ctx context.Context, pluginID, dsUID string) (backend.PluginContext, error) {
+	return f.PluginContext, f.Err
+}