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// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package xds_test
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"testing"
)
import (
discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
)
import (
"github.com/apache/dubbo-go-pixiu/istioctl/pkg/util/configdump"
"github.com/apache/dubbo-go-pixiu/pilot/pkg/model"
"github.com/apache/dubbo-go-pixiu/pilot/pkg/xds"
v3 "github.com/apache/dubbo-go-pixiu/pilot/pkg/xds/v3"
)
func TestSyncz(t *testing.T) {
t.Run("return the sent and ack status of adsClient connections", func(t *testing.T) {
s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{})
ads := s.ConnectADS()
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{TypeUrl: v3.ClusterType})
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{TypeUrl: v3.ListenerType})
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{
TypeUrl: v3.EndpointType,
ResourceNames: []string{"outbound|9080||app2.default.svc.cluster.local"},
})
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{
TypeUrl: v3.RouteType,
ResourceNames: []string{"80", "8080"},
})
node, _ := model.ParseServiceNodeWithMetadata(ads.ID, &model.NodeMetadata{})
verifySyncStatus(t, s.Discovery, node.ID, true, true)
})
t.Run("sync status not set when Nackd", func(t *testing.T) {
s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{})
ads := s.ConnectADS()
ads.RequestResponseNack(t, &discovery.DiscoveryRequest{TypeUrl: v3.ClusterType})
ads.RequestResponseNack(t, &discovery.DiscoveryRequest{TypeUrl: v3.ListenerType})
ads.RequestResponseNack(t, &discovery.DiscoveryRequest{
TypeUrl: v3.EndpointType,
ResourceNames: []string{"outbound|9080||app2.default.svc.cluster.local"},
})
ads.RequestResponseNack(t, &discovery.DiscoveryRequest{
TypeUrl: v3.RouteType,
ResourceNames: []string{"80", "8080"},
})
node, _ := model.ParseServiceNodeWithMetadata(ads.ID, &model.NodeMetadata{})
verifySyncStatus(t, s.Discovery, node.ID, true, false)
})
t.Run("sync ecds", func(t *testing.T) {
s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{
ConfigString: mustReadFile(t, "./testdata/ecds.yaml"),
})
ads := s.ConnectADS()
ads.RequestResponseNack(t, &discovery.DiscoveryRequest{
TypeUrl: v3.ExtensionConfigurationType,
ResourceNames: []string{"extension-config"},
})
node, _ := model.ParseServiceNodeWithMetadata(ads.ID, &model.NodeMetadata{})
verifySyncStatus(t, s.Discovery, node.ID, true, true)
})
}
func getSyncStatus(t *testing.T, server *xds.DiscoveryServer) []xds.SyncStatus {
req, err := http.NewRequest("GET", "/debug", nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
syncz := http.HandlerFunc(server.Syncz)
syncz.ServeHTTP(rr, req)
got := []xds.SyncStatus{}
if err := json.Unmarshal(rr.Body.Bytes(), &got); err != nil {
t.Error(err)
}
return got
}
func verifySyncStatus(t *testing.T, s *xds.DiscoveryServer, nodeID string, wantSent, wantAcked bool) {
// This is a mostly horrible hack because the single pilot instance is shared across multiple tests
// This makes this test contaminated by others and gives it horrible timing windows
attempts := 5
for i := 0; i < attempts; i++ {
gotStatus := getSyncStatus(t, s)
var errorHandler func(string, ...interface{})
if i == attempts-1 {
errorHandler = t.Errorf
} else {
errorHandler = t.Logf
}
for _, ss := range gotStatus {
if ss.ProxyID == nodeID {
if ss.ProxyVersion == "" {
errorHandler("ProxyVersion should always be set for %v", nodeID)
}
if (ss.ClusterSent != "") != wantSent {
errorHandler("wanted ClusterSent set %v got %v for %v", wantSent, ss.ClusterSent, nodeID)
}
if (ss.ClusterAcked != "") != wantAcked {
errorHandler("wanted ClusterAcked set %v got %v for %v", wantAcked, ss.ClusterAcked, nodeID)
}
if (ss.ListenerSent != "") != wantSent {
errorHandler("wanted ListenerSent set %v got %v for %v", wantSent, ss.ListenerSent, nodeID)
}
if (ss.ListenerAcked != "") != wantAcked {
errorHandler("wanted ListenerAcked set %v got %v for %v", wantAcked, ss.ListenerAcked, nodeID)
}
if (ss.RouteSent != "") != wantSent {
errorHandler("wanted RouteSent set %v got %v for %v", wantSent, ss.RouteSent, nodeID)
}
if (ss.RouteAcked != "") != wantAcked {
errorHandler("wanted RouteAcked set %v got %v for %v", wantAcked, ss.RouteAcked, nodeID)
}
if (ss.EndpointSent != "") != wantSent {
errorHandler("wanted EndpointSent set %v got %v for %v", wantSent, ss.EndpointSent, nodeID)
}
if (ss.EndpointAcked != "") != wantAcked {
errorHandler("wanted EndpointAcked set %v got %v for %v", wantAcked, ss.EndpointAcked, nodeID)
}
if (ss.ExtensionConfigSent != "") != wantSent {
errorHandler("wanted ExtesionConfigSent set %v got %v for %v", wantSent, ss.ExtensionConfigSent, nodeID)
}
if (ss.ExtensionConfigAcked != "") != wantAcked {
errorHandler("wanted ExtensionConfigAcked set %v got %v for %v", wantAcked, ss.ExtensionConfigAcked, nodeID)
}
return
}
}
errorHandler("node id %v not found", nodeID)
}
}
func TestConfigDump(t *testing.T) {
tests := []struct {
name string
wantCode int
proxyID string
}{
{
name: "dumps most recent proxy with 200",
proxyID: "test.default",
wantCode: 200,
},
{
name: "returns 404 if proxy not found",
proxyID: "not-found",
wantCode: 404,
},
{
name: "returns 400 if no proxyID",
proxyID: "",
wantCode: 400,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{})
ads := s.ConnectADS()
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{TypeUrl: v3.ClusterType})
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{TypeUrl: v3.ListenerType})
ads.RequestResponseAck(t, &discovery.DiscoveryRequest{
TypeUrl: v3.RouteType,
ResourceNames: []string{"80", "8080"},
})
wrapper := getConfigDump(t, s.Discovery, tt.proxyID, tt.wantCode)
if wrapper != nil {
if rs, err := wrapper.GetDynamicRouteDump(false); err != nil || len(rs.DynamicRouteConfigs) == 0 {
t.Errorf("routes were present, must have received an older connection's dump, err: %v", err)
}
} else if tt.wantCode < 400 {
t.Error("expected a non-nil wrapper with successful status code")
}
})
}
}
func getConfigDump(t *testing.T, s *xds.DiscoveryServer, proxyID string, wantCode int) *configdump.Wrapper {
path := "/config_dump"
if proxyID != "" {
path += fmt.Sprintf("?proxyID=%v", proxyID)
}
req, err := http.NewRequest("GET", path, nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
syncz := http.HandlerFunc(s.ConfigDump)
syncz.ServeHTTP(rr, req)
if rr.Code != wantCode {
t.Errorf("wanted response code %v, got %v", wantCode, rr.Code)
}
if wantCode > 399 {
return nil
}
got := &configdump.Wrapper{}
if err := got.UnmarshalJSON(rr.Body.Bytes()); err != nil {
t.Fatalf(err.Error())
}
return got
}
func TestDebugHandlers(t *testing.T) {
s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{})
req, err := http.NewRequest("GET", "/debug", nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
debug := http.HandlerFunc(s.Discovery.Debug)
debug.ServeHTTP(rr, req)
if rr.Code != 200 {
t.Errorf("Error in generatating debug endpoint list")
}
}