2 // Copyright 2019 gRPC authors.
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
17 #ifndef GRPC_CORE_EXT_XDS_XDS_BOOTSTRAP_H
18 #define GRPC_CORE_EXT_XDS_XDS_BOOTSTRAP_H
20 #include <grpc/support/port_platform.h>
27 #include "absl/container/inlined_vector.h"
29 #include <grpc/slice.h>
31 #include "src/core/ext/xds/certificate_provider_store.h"
32 #include "src/core/lib/gprpp/map.h"
33 #include "src/core/lib/gprpp/memory.h"
34 #include "src/core/lib/gprpp/ref_counted_ptr.h"
35 #include "src/core/lib/iomgr/error.h"
36 #include "src/core/lib/json/json.h"
37 #include "src/core/lib/security/credentials/credentials.h"
43 class XdsChannelCredsRegistry {
45 static bool IsSupported(const std::string& creds_type);
46 static bool IsValidConfig(const std::string& creds_type, const Json& config);
47 static RefCountedPtr<grpc_channel_credentials> MakeChannelCreds(
48 const std::string& creds_type, const Json& config);
56 std::string locality_region;
57 std::string locality_zone;
58 std::string locality_subzone;
63 std::string server_uri;
64 std::string channel_creds_type;
65 Json channel_creds_config;
66 std::set<std::string> server_features;
68 bool ShouldUseV3() const;
71 // If *error is not GRPC_ERROR_NONE after returning, then there was an
72 // error reading the file.
73 static std::unique_ptr<XdsBootstrap> ReadFromFile(XdsClient* client,
77 // Do not instantiate directly -- use ReadFromFile() above instead.
78 XdsBootstrap(Json json, grpc_error** error);
80 // TODO(roth): We currently support only one server. Fix this when we
81 // add support for fallback for the xds channel.
82 const XdsServer& server() const { return servers_[0]; }
83 const Node* node() const { return node_.get(); }
85 const CertificateProviderStore::PluginDefinitionMap& certificate_providers()
87 return certificate_providers_;
91 grpc_error* ParseXdsServerList(Json* json);
92 grpc_error* ParseXdsServer(Json* json, size_t idx);
93 grpc_error* ParseChannelCredsArray(Json* json, XdsServer* server);
94 grpc_error* ParseChannelCreds(Json* json, size_t idx, XdsServer* server);
95 grpc_error* ParseServerFeaturesArray(Json* json, XdsServer* server);
96 grpc_error* ParseNode(Json* json);
97 grpc_error* ParseLocality(Json* json);
98 grpc_error* ParseCertificateProviders(Json* json);
99 grpc_error* ParseCertificateProvider(const std::string& instance_name,
100 Json* certificate_provider_json);
102 absl::InlinedVector<XdsServer, 1> servers_;
103 std::unique_ptr<Node> node_;
104 CertificateProviderStore::PluginDefinitionMap certificate_providers_;
107 } // namespace grpc_core
109 #endif /* GRPC_CORE_EXT_XDS_XDS_BOOTSTRAP_H */