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xds_cluster_resource_type_test.cc
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xds_cluster_resource_type_test.cc
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//
// Copyright 2022 gRPC 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.
//
#include <memory>
#include <string>
#include <utility>
#include <google/protobuf/any.pb.h>
#include <google/protobuf/duration.pb.h>
#include <google/protobuf/wrappers.pb.h>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/types/optional.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "upb/def.hpp"
#include "upb/upb.hpp"
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include "src/core/ext/filters/client_channel/lb_policy/outlier_detection/outlier_detection.h"
#include "src/core/ext/xds/xds_bootstrap.h"
#include "src/core/ext/xds/xds_bootstrap_grpc.h"
#include "src/core/ext/xds/xds_client.h"
#include "src/core/ext/xds/xds_cluster.h"
#include "src/core/ext/xds/xds_common_types.h"
#include "src/core/ext/xds/xds_resource_type.h"
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/gprpp/time.h"
#include "src/core/lib/iomgr/error.h"
#include "src/proto/grpc/testing/xds/v3/address.pb.h"
#include "src/proto/grpc/testing/xds/v3/aggregate_cluster.pb.h"
#include "src/proto/grpc/testing/xds/v3/base.pb.h"
#include "src/proto/grpc/testing/xds/v3/cluster.pb.h"
#include "src/proto/grpc/testing/xds/v3/config_source.pb.h"
#include "src/proto/grpc/testing/xds/v3/endpoint.pb.h"
#include "src/proto/grpc/testing/xds/v3/outlier_detection.pb.h"
#include "src/proto/grpc/testing/xds/v3/tls.pb.h"
#include "test/core/util/test_config.h"
using envoy::config::cluster::v3::Cluster;
using envoy::extensions::clusters::aggregate::v3::ClusterConfig;
using envoy::extensions::transport_sockets::tls::v3::UpstreamTlsContext;
namespace grpc_core {
namespace testing {
namespace {
TraceFlag xds_cluster_resource_type_test_trace(
true, "xds_cluster_resource_type_test");
class XdsClusterTest : public ::testing::Test {
protected:
XdsClusterTest()
: xds_client_(MakeXdsClient()),
decode_context_{xds_client_.get(), xds_client_->bootstrap().server(),
&xds_cluster_resource_type_test_trace,
upb_def_pool_.ptr(), upb_arena_.ptr()} {}
static RefCountedPtr<XdsClient> MakeXdsClient() {
grpc_error_handle error = GRPC_ERROR_NONE;
auto bootstrap = GrpcXdsBootstrap::Create(
"{\n"
" \"xds_servers\": [\n"
" {\n"
" \"server_uri\": \"xds.example.com\",\n"
" \"channel_creds\": [\n"
" {\"type\": \"google_default\"}\n"
" ]\n"
" }\n"
" ],\n"
" \"certificate_providers\": {\n"
" \"provider1\": {\n"
" \"plugin_name\": \"file_watcher\",\n"
" \"config\": {\n"
" \"certificate_file\": \"/path/to/cert\",\n"
" \"private_key_file\": \"/path/to/key\"\n"
" }\n"
" }\n"
" }\n"
"}");
if (!bootstrap.ok()) {
gpr_log(GPR_ERROR, "Error parsing bootstrap: %s",
bootstrap.status().ToString().c_str());
GPR_ASSERT(false);
}
return MakeRefCounted<XdsClient>(std::move(*bootstrap),
/*transport_factory=*/nullptr);
}
RefCountedPtr<XdsClient> xds_client_;
upb::DefPool upb_def_pool_;
upb::Arena upb_arena_;
XdsResourceType::DecodeContext decode_context_;
};
TEST_F(XdsClusterTest, Definition) {
auto* resource_type = XdsClusterResourceType::Get();
ASSERT_NE(resource_type, nullptr);
EXPECT_EQ(resource_type->type_url(), "envoy.config.cluster.v3.Cluster");
EXPECT_EQ(resource_type->v2_type_url(), "envoy.api.v2.Cluster");
EXPECT_TRUE(resource_type->AllResourcesRequiredInSotW());
}
TEST_F(XdsClusterTest, UnparseableProto) {
std::string serialized_resource("\0", 1);
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"Can't parse Cluster resource.")
<< decode_result.resource.status();
}
TEST_F(XdsClusterTest, MinimumValidConfig) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.EDS);
EXPECT_EQ(resource.eds_service_name, "");
// Check defaults.
EXPECT_EQ(resource.lb_policy, "ROUND_ROBIN");
EXPECT_FALSE(resource.lrs_load_reporting_server.has_value());
EXPECT_EQ(resource.max_concurrent_requests, 1024);
EXPECT_FALSE(resource.outlier_detection.has_value());
}
//
// cluster type tests
//
using ClusterTypeTest = XdsClusterTest;
TEST_F(ClusterTypeTest, EdsConfigSourceAds) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_ads();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.EDS);
EXPECT_EQ(resource.eds_service_name, "");
}
TEST_F(ClusterTypeTest, EdsServiceName) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
auto* eds_cluster_config = cluster.mutable_eds_cluster_config();
eds_cluster_config->mutable_eds_config()->mutable_self();
eds_cluster_config->set_service_name("bar");
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.EDS);
EXPECT_EQ(resource.eds_service_name, "bar");
}
TEST_F(ClusterTypeTest, DiscoveryTypeNotPresent) {
Cluster cluster;
cluster.set_name("foo");
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:type error:unknown discovery type]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, EdsClusterConfigMissing) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:eds_cluster_config error:field not present]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, EdsConfigSourceMissing) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:eds_cluster_config.eds_config error:field not present]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, EdsConfigSourceWrongType) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->set_path("/whee");
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:eds_cluster_config.eds_config "
"error:ConfigSource is not ads or self]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsValid) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
auto* socket_address = cluster.mutable_load_assignment()
->add_endpoints()
->add_lb_endpoints()
->mutable_endpoint()
->mutable_address()
->mutable_socket_address();
socket_address->set_address("server.example.com");
socket_address->set_port_value(443);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.LOGICAL_DNS);
EXPECT_EQ(resource.dns_hostname, "server.example.com:443");
}
TEST_F(ClusterTypeTest, LogicalDnsMissingLoadAssignment) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment "
"error:field not present for LOGICAL_DNS cluster]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsMissingLocalities) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints error:must contain exactly "
"one locality for LOGICAL_DNS cluster, found 0]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsTooManyLocalities) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()->add_endpoints();
cluster.mutable_load_assignment()->add_endpoints();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints error:must contain exactly "
"one locality for LOGICAL_DNS cluster, found 2]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsLocalityMissingEndpoints) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()->add_endpoints();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints error:must "
"contain exactly one endpoint for LOGICAL_DNS cluster, found 0]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsLocalityTooManyEndpoints) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
auto* locality = cluster.mutable_load_assignment()->add_endpoints();
locality->add_lb_endpoints();
locality->add_lb_endpoints();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints error:must "
"contain exactly one endpoint for LOGICAL_DNS cluster, found 2]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsEndpointMissing) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()->add_endpoints()->add_lb_endpoints();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint "
"error:field not present]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsAddressMissing) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()
->add_endpoints()
->add_lb_endpoints()
->mutable_endpoint();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint"
".address error:field not present]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsSocketAddressMissing) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()
->add_endpoints()
->add_lb_endpoints()
->mutable_endpoint()
->mutable_address();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint"
".address.socket_address error:field not present]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, LogicalDnsSocketAddressInvalid) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.LOGICAL_DNS);
cluster.mutable_load_assignment()
->add_endpoints()
->add_lb_endpoints()
->mutable_endpoint()
->mutable_address()
->mutable_socket_address()
->set_resolver_name("dns");
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint"
".address.socket_address.address error:field not present; "
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint"
".address.socket_address.port_value error:field not present; "
"field:load_assignment.endpoints[0].lb_endpoints[0].endpoint"
".address.socket_address.resolver_name error:LOGICAL_DNS "
"clusters must NOT have a custom resolver name set]")
<< decode_result.resource.status();
}
TEST_F(ClusterTypeTest, AggregateClusterValid) {
Cluster cluster;
cluster.set_name("foo");
cluster.mutable_cluster_type()->set_name("envoy.clusters.aggregate");
ClusterConfig cluster_config;
cluster_config.add_clusters("bar");
cluster_config.add_clusters("baz");
cluster_config.add_clusters("quux");
cluster.mutable_cluster_type()->mutable_typed_config()->PackFrom(
cluster_config);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.AGGREGATE);
EXPECT_THAT(resource.prioritized_cluster_names,
::testing::ElementsAre("bar", "baz", "quux"));
}
TEST_F(ClusterTypeTest, AggregateClusterUnparseableProto) {
Cluster cluster;
cluster.set_name("foo");
cluster.mutable_cluster_type()->set_name("envoy.clusters.aggregate");
auto* any = cluster.mutable_cluster_type()->mutable_typed_config();
any->set_type_url(
"type.googleapis.com/"
"envoy.extensions.clusters.aggregate.v3.ClusterConfig");
any->set_value(std::string("\0", 1));
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:cluster_type.typed_config.value["
"envoy.extensions.clusters.aggregate.v3.ClusterConfig] "
"error:can't parse aggregate cluster config]")
<< decode_result.resource.status();
}
//
// LB policy tests
//
using LbPolicyTest = XdsClusterTest;
TEST_F(LbPolicyTest, LbPolicyRingHash) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.lb_policy, "RING_HASH");
EXPECT_EQ(resource.min_ring_size, 1024);
EXPECT_EQ(resource.max_ring_size, 8388608);
}
TEST_F(LbPolicyTest, LbPolicyRingHashSetMinAndMaxRingSize) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
auto* ring_hash_config = cluster.mutable_ring_hash_lb_config();
ring_hash_config->mutable_minimum_ring_size()->set_value(2048);
ring_hash_config->mutable_maximum_ring_size()->set_value(4096);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.lb_policy, "RING_HASH");
EXPECT_EQ(resource.min_ring_size, 2048);
EXPECT_EQ(resource.max_ring_size, 4096);
}
TEST_F(LbPolicyTest, LbPolicyRingHashSetMinAndMaxRingSizeToZero) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
auto* ring_hash_config = cluster.mutable_ring_hash_lb_config();
ring_hash_config->mutable_minimum_ring_size()->set_value(0);
ring_hash_config->mutable_maximum_ring_size()->set_value(0);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:ring_hash_lb_config.maximum_ring_size "
"error:must be in the range of 1 to 8388608; "
"field:ring_hash_lb_config.minimum_ring_size "
"error:must be in the range of 1 to 8388608]")
<< decode_result.resource.status();
}
TEST_F(LbPolicyTest, LbPolicyRingHashSetMinAndMaxRingSizeTooLarge) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
auto* ring_hash_config = cluster.mutable_ring_hash_lb_config();
ring_hash_config->mutable_minimum_ring_size()->set_value(8388609);
ring_hash_config->mutable_maximum_ring_size()->set_value(8388609);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:ring_hash_lb_config.maximum_ring_size "
"error:must be in the range of 1 to 8388608; "
"field:ring_hash_lb_config.minimum_ring_size "
"error:must be in the range of 1 to 8388608]")
<< decode_result.resource.status();
}
TEST_F(LbPolicyTest, LbPolicyRingHashSetMinRingSizeLargerThanMaxRingSize) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
auto* ring_hash_config = cluster.mutable_ring_hash_lb_config();
ring_hash_config->mutable_minimum_ring_size()->set_value(1025);
ring_hash_config->mutable_maximum_ring_size()->set_value(1024);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:ring_hash_lb_config.minimum_ring_size "
"error:cannot be greater than maximum_ring_size]")
<< decode_result.resource.status();
}
TEST_F(LbPolicyTest, LbPolicyRingHashUnsupportedHashFunction) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.RING_HASH);
cluster.mutable_ring_hash_lb_config()->set_hash_function(
envoy::config::cluster::v3::Cluster::RingHashLbConfig::MURMUR_HASH_2);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:ring_hash_lb_config.hash_function "
"error:invalid hash function]")
<< decode_result.resource.status();
}
TEST_F(LbPolicyTest, UnsupportedPolicy) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.set_lb_policy(cluster.MAGLEV);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:lb_policy error:LB policy is not supported]")
<< decode_result.resource.status();
}
//
// TLS config tests
//
using TlsConfigTest = XdsClusterTest;
TEST_F(TlsConfigTest, MinimumValidConfig) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* transport_socket = cluster.mutable_transport_socket();
transport_socket->set_name("envoy.transport_sockets.tls");
UpstreamTlsContext upstream_tls_context;
auto* common_tls_context = upstream_tls_context.mutable_common_tls_context();
auto* validation_context = common_tls_context->mutable_validation_context();
auto* cert_provider =
validation_context->mutable_ca_certificate_provider_instance();
cert_provider->set_instance_name("provider1");
cert_provider->set_certificate_name("cert_name");
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.EDS);
EXPECT_EQ(resource.eds_service_name, "");
EXPECT_EQ(resource.lb_policy, "ROUND_ROBIN");
EXPECT_EQ(resource.common_tls_context.certificate_validation_context
.ca_certificate_provider_instance.instance_name,
"provider1");
EXPECT_EQ(resource.common_tls_context.certificate_validation_context
.ca_certificate_provider_instance.certificate_name,
"cert_name");
}
// This is just one example of where CommonTlsContext::Parse() will
// generate an error, to show that we're propagating any such errors
// correctly. An exhaustive set of tests for CommonTlsContext::Parse()
// is in xds_common_types_test.cc.
TEST_F(TlsConfigTest, UnknownCertificateProviderInstance) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* transport_socket = cluster.mutable_transport_socket();
transport_socket->set_name("envoy.transport_sockets.tls");
UpstreamTlsContext upstream_tls_context;
auto* cert_provider = upstream_tls_context.mutable_common_tls_context()
->mutable_validation_context()
->mutable_ca_certificate_provider_instance();
cert_provider->set_instance_name("fake");
cert_provider->set_certificate_name("cert_name");
transport_socket->mutable_typed_config()->PackFrom(upstream_tls_context);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:transport_socket.typed_config.value["
"envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext]"
".common_tls_context.validation_context"
".ca_certificate_provider_instance.instance_name "
"error:unrecognized certificate provider instance name: fake]")
<< decode_result.resource.status();
}
TEST_F(TlsConfigTest, TransportSocketTypedConfigUnset) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* transport_socket = cluster.mutable_transport_socket();
transport_socket->mutable_typed_config()->PackFrom(Cluster());
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:transport_socket.typed_config.type_url "
"error:unrecognized transport socket type: "
"envoy.config.cluster.v3.Cluster]")
<< decode_result.resource.status();
}
TEST_F(TlsConfigTest, UnknownTransportSocketType) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* transport_socket = cluster.mutable_transport_socket();
auto* typed_config = transport_socket->mutable_typed_config();
typed_config->PackFrom(UpstreamTlsContext());
typed_config->set_value(std::string("\0", 1));
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:transport_socket.typed_config.value["
"envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext] "
"error:can't decode UpstreamTlsContext]")
<< decode_result.resource.status();
}
TEST_F(TlsConfigTest, CaCertProviderUnset) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* transport_socket = cluster.mutable_transport_socket();
auto* typed_config = transport_socket->mutable_typed_config();
typed_config->PackFrom(UpstreamTlsContext());
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:transport_socket.typed_config.value["
"envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext]"
".common_tls_context "
"error:no CA certificate provider instance configured]")
<< decode_result.resource.status();
}
//
// LRS server tests
//
using LrsTest = XdsClusterTest;
TEST_F(LrsTest, Valid) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.mutable_lrs_server()->mutable_self();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.cluster_type, resource.EDS);
EXPECT_EQ(resource.eds_service_name, "");
EXPECT_EQ(resource.lb_policy, "ROUND_ROBIN");
ASSERT_TRUE(resource.lrs_load_reporting_server.has_value());
EXPECT_EQ(*resource.lrs_load_reporting_server,
xds_client_->bootstrap().server());
}
TEST_F(LrsTest, NotSelfConfigSource) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
cluster.mutable_lrs_server()->mutable_ads();
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
EXPECT_EQ(decode_result.resource.status().code(),
absl::StatusCode::kInvalidArgument);
EXPECT_EQ(decode_result.resource.status().message(),
"errors validating Cluster resource: ["
"field:lrs_server error:ConfigSource is not self]")
<< decode_result.resource.status();
}
//
// circuit breaker tests
//
using CircuitBreakingTest = XdsClusterTest;
TEST_F(CircuitBreakingTest, Valid) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds();
threshold->set_priority(envoy::config::cluster::v3::HIGH); // Ignored.
threshold->mutable_max_requests()->set_value(251);
threshold = cluster.mutable_circuit_breakers()->add_thresholds();
threshold->set_priority(envoy::config::cluster::v3::DEFAULT);
threshold->mutable_max_requests()->set_value(1701);
threshold = cluster.mutable_circuit_breakers()->add_thresholds();
threshold->set_priority(envoy::config::cluster::v3::HIGH); // Ignored.
threshold->mutable_max_requests()->set_value(5049);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.max_concurrent_requests, 1701);
}
TEST_F(CircuitBreakingTest, NoDefaultThreshold) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds();
threshold->set_priority(envoy::config::cluster::v3::HIGH); // Ignored.
threshold->mutable_max_requests()->set_value(251);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();
auto decode_result = resource_type->Decode(
decode_context_, serialized_resource, /*is_v2=*/false);
ASSERT_TRUE(decode_result.resource.ok()) << decode_result.resource.status();
ASSERT_TRUE(decode_result.name.has_value());
EXPECT_EQ(*decode_result.name, "foo");
auto& resource = static_cast<XdsClusterResource&>(**decode_result.resource);
EXPECT_EQ(resource.max_concurrent_requests, 1024); // Default.
}
TEST_F(CircuitBreakingTest, DefaultThresholdWithMaxRequestsUnset) {
Cluster cluster;
cluster.set_name("foo");
cluster.set_type(cluster.EDS);
cluster.mutable_eds_cluster_config()->mutable_eds_config()->mutable_self();
auto* threshold = cluster.mutable_circuit_breakers()->add_thresholds();
threshold->set_priority(envoy::config::cluster::v3::DEFAULT);
std::string serialized_resource;
ASSERT_TRUE(cluster.SerializeToString(&serialized_resource));
auto* resource_type = XdsClusterResourceType::Get();