forked from grpc/grpc-java
/
BootstrapperTest.java
523 lines (491 loc) · 21.7 KB
/
BootstrapperTest.java
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/*
* Copyright 2019 The 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.
*/
package io.grpc.xds;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import io.grpc.internal.GrpcUtil;
import io.grpc.internal.GrpcUtil.GrpcBuildVersion;
import io.grpc.xds.Bootstrapper.BootstrapInfo;
import io.grpc.xds.Bootstrapper.ChannelCreds;
import io.grpc.xds.Bootstrapper.ServerInfo;
import io.grpc.xds.EnvoyProtoData.Locality;
import io.grpc.xds.EnvoyProtoData.Node;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link Bootstrapper}. */
@RunWith(JUnit4.class)
public class BootstrapperTest {
@Rule public ExpectedException thrown = ExpectedException.none();
@Test
public void parseBootstrap_validData_singleXdsServer() throws IOException {
String rawData = "{\n"
+ " \"node\": {\n"
+ " \"id\": \"ENVOY_NODE_ID\",\n"
+ " \"cluster\": \"ENVOY_CLUSTER\",\n"
+ " \"locality\": {\n"
+ " \"region\": \"ENVOY_REGION\",\n"
+ " \"zone\": \"ENVOY_ZONE\",\n"
+ " \"sub_zone\": \"ENVOY_SUBZONE\"\n"
+ " },\n"
+ " \"metadata\": {\n"
+ " \"TRAFFICDIRECTOR_INTERCEPTION_PORT\": \"ENVOY_PORT\",\n"
+ " \"TRAFFICDIRECTOR_NETWORK_NAME\": \"VPC_NETWORK_NAME\"\n"
+ " }\n"
+ " },\n"
+ " \"xds_servers\": [\n"
+ " {\n"
+ " \"server_uri\": \"trafficdirector.googleapis.com:443\",\n"
+ " \"channel_creds\": [\n"
+ " {\"type\": \"tls\"}, {\"type\": \"loas\"}, {\"type\": \"google_default\"}\n"
+ " ]\n"
+ " }\n"
+ " ]\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).hasSize(1);
ServerInfo serverInfo = Iterables.getOnlyElement(info.getServers());
assertThat(serverInfo.getServerUri()).isEqualTo("trafficdirector.googleapis.com:443");
assertThat(serverInfo.getChannelCredentials()).hasSize(3);
assertThat(serverInfo.getChannelCredentials().get(0).getType()).isEqualTo("tls");
assertThat(serverInfo.getChannelCredentials().get(0).getConfig()).isNull();
assertThat(serverInfo.getChannelCredentials().get(1).getType()).isEqualTo("loas");
assertThat(serverInfo.getChannelCredentials().get(1).getConfig()).isNull();
assertThat(serverInfo.getChannelCredentials().get(2).getType()).isEqualTo("google_default");
assertThat(serverInfo.getChannelCredentials().get(2).getConfig()).isNull();
assertThat(info.getNode()).isEqualTo(
getNodeBuilder()
.setId("ENVOY_NODE_ID")
.setCluster("ENVOY_CLUSTER")
.setLocality(new Locality("ENVOY_REGION", "ENVOY_ZONE", "ENVOY_SUBZONE"))
.setMetadata(
ImmutableMap.of(
"TRAFFICDIRECTOR_INTERCEPTION_PORT",
"ENVOY_PORT",
"TRAFFICDIRECTOR_NETWORK_NAME",
"VPC_NETWORK_NAME"))
.build());
}
@Test
public void parseBootstrap_validData_multipleXdsServers() throws IOException {
String rawData = "{\n"
+ " \"node\": {\n"
+ " \"id\": \"ENVOY_NODE_ID\",\n"
+ " \"cluster\": \"ENVOY_CLUSTER\",\n"
+ " \"locality\": {\n"
+ " \"region\": \"ENVOY_REGION\",\n"
+ " \"zone\": \"ENVOY_ZONE\",\n"
+ " \"sub_zone\": \"ENVOY_SUBZONE\"\n"
+ " },\n"
+ " \"metadata\": {\n"
+ " \"TRAFFICDIRECTOR_INTERCEPTION_PORT\": \"ENVOY_PORT\",\n"
+ " \"TRAFFICDIRECTOR_NETWORK_NAME\": \"VPC_NETWORK_NAME\"\n"
+ " }\n"
+ " },\n"
+ " \"xds_servers\": [\n"
+ " {\n"
+ " \"server_uri\": \"trafficdirector-foo.googleapis.com:443\",\n"
+ " \"channel_creds\": [\n"
+ " {\"type\": \"tls\"}, {\"type\": \"loas\"}, {\"type\": \"google_default\"}\n"
+ " ],\n"
+ " \"server_features\": [\n"
+ " \"xds_v3\", \"foo\", \"bar\"\n"
+ " ]\n"
+ " },\n"
+ " {\n"
+ " \"server_uri\": \"trafficdirector-bar.googleapis.com:443\",\n"
+ " \"channel_creds\": [\n"
+ " {\"type\": \"insecure\"}"
+ " ]\n"
+ " }\n"
+ " ]\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).hasSize(2);
List<ServerInfo> serverInfoList = info.getServers();
assertThat(serverInfoList.get(0).getServerUri())
.isEqualTo("trafficdirector-foo.googleapis.com:443");
assertThat(serverInfoList.get(0).getChannelCredentials()).hasSize(3);
assertThat(serverInfoList.get(0).getChannelCredentials().get(0).getType()).isEqualTo("tls");
assertThat(serverInfoList.get(0).getChannelCredentials().get(0).getConfig()).isNull();
assertThat(serverInfoList.get(0).getChannelCredentials().get(1).getType()).isEqualTo("loas");
assertThat(serverInfoList.get(0).getChannelCredentials().get(1).getConfig()).isNull();
assertThat(serverInfoList.get(0).getChannelCredentials().get(2).getType())
.isEqualTo("google_default");
assertThat(serverInfoList.get(0).getChannelCredentials().get(2).getConfig()).isNull();
assertThat(serverInfoList.get(0).getServerFeatures()).contains("xds_v3");
assertThat(serverInfoList.get(1).getServerUri())
.isEqualTo("trafficdirector-bar.googleapis.com:443");
assertThat(serverInfoList.get(1).getChannelCredentials().get(0).getType())
.isEqualTo("insecure");
assertThat(serverInfoList.get(0).getChannelCredentials().get(0).getConfig()).isNull();
assertThat(info.getNode()).isEqualTo(
getNodeBuilder()
.setId("ENVOY_NODE_ID")
.setCluster("ENVOY_CLUSTER")
.setLocality(new Locality("ENVOY_REGION", "ENVOY_ZONE", "ENVOY_SUBZONE"))
.setMetadata(
ImmutableMap.of(
"TRAFFICDIRECTOR_INTERCEPTION_PORT",
"ENVOY_PORT",
"TRAFFICDIRECTOR_NETWORK_NAME",
"VPC_NETWORK_NAME"))
.build());
}
@Test
public void parseBootstrap_IgnoreIrrelevantFields() throws IOException {
String rawData = "{\n"
+ " \"node\": {\n"
+ " \"id\": \"ENVOY_NODE_ID\",\n"
+ " \"cluster\": \"ENVOY_CLUSTER\",\n"
+ " \"locality\": {\n"
+ " \"region\": \"ENVOY_REGION\",\n"
+ " \"zone\": \"ENVOY_ZONE\",\n"
+ " \"sub_zone\": \"ENVOY_SUBZONE\"\n"
+ " },\n"
+ " \"metadata\": {\n"
+ " \"TRAFFICDIRECTOR_INTERCEPTION_PORT\": \"ENVOY_PORT\",\n"
+ " \"TRAFFICDIRECTOR_NETWORK_NAME\": \"VPC_NETWORK_NAME\"\n"
+ " }\n"
+ " },\n"
+ " \"xds_servers\": [\n"
+ " {\n"
+ " \"server_uri\": \"trafficdirector.googleapis.com:443\",\n"
+ " \"ignore\": \"something irrelevant\","
+ " \"channel_creds\": [\n"
+ " {\"type\": \"tls\"}, {\"type\": \"loas\"}, {\"type\": \"google_default\"}\n"
+ " ]\n"
+ " }\n"
+ " ],\n"
+ " \"ignore\": \"something irrelevant\"\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).hasSize(1);
ServerInfo serverInfo = Iterables.getOnlyElement(info.getServers());
assertThat(serverInfo.getServerUri()).isEqualTo("trafficdirector.googleapis.com:443");
assertThat(serverInfo.getChannelCredentials()).hasSize(3);
assertThat(serverInfo.getChannelCredentials().get(0).getType()).isEqualTo("tls");
assertThat(serverInfo.getChannelCredentials().get(0).getConfig()).isNull();
assertThat(serverInfo.getChannelCredentials().get(1).getType()).isEqualTo("loas");
assertThat(serverInfo.getChannelCredentials().get(1).getConfig()).isNull();
assertThat(serverInfo.getChannelCredentials().get(2).getType()).isEqualTo("google_default");
assertThat(serverInfo.getChannelCredentials().get(2).getConfig()).isNull();
assertThat(info.getNode()).isEqualTo(
getNodeBuilder()
.setId("ENVOY_NODE_ID")
.setCluster("ENVOY_CLUSTER")
.setLocality(new Locality("ENVOY_REGION", "ENVOY_ZONE", "ENVOY_SUBZONE"))
.setMetadata(
ImmutableMap.of(
"TRAFFICDIRECTOR_INTERCEPTION_PORT",
"ENVOY_PORT",
"TRAFFICDIRECTOR_NETWORK_NAME",
"VPC_NETWORK_NAME"))
.build());
}
@Test
public void parseBootstrap_emptyData() throws IOException {
String rawData = "";
thrown.expect(IOException.class);
Bootstrapper.parseConfig(rawData);
}
@Test
public void parseBootstrap_minimumRequiredFields() throws IOException {
String rawData = "{\n"
+ " \"xds_servers\": []\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).isEmpty();
assertThat(info.getNode()).isEqualTo(getNodeBuilder().build());
}
@Test
public void parseBootstrap_minimalUsableData() throws IOException {
String rawData = "{\n"
+ " \"xds_servers\": [\n"
+ " {\n"
+ " \"server_uri\": \"trafficdirector.googleapis.com:443\",\n"
+ " \"channel_creds\": [\n"
+ " {\"type\": \"insecure\"}\n"
+ " ]\n"
+ " }\n"
+ " ]\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).hasSize(1);
ServerInfo serverInfo = Iterables.getOnlyElement(info.getServers());
assertThat(serverInfo.getServerUri()).isEqualTo("trafficdirector.googleapis.com:443");
assertThat(serverInfo.getChannelCredentials()).hasSize(1);
ChannelCreds creds = Iterables.getOnlyElement(serverInfo.getChannelCredentials());
assertThat(creds.getType()).isEqualTo("insecure");
assertThat(creds.getConfig()).isNull();
assertThat(info.getNode()).isEqualTo(getNodeBuilder().build());
}
@Test
public void parseBootstrap_noXdsServers() throws IOException {
String rawData = "{\n"
+ " \"node\": {\n"
+ " \"id\": \"ENVOY_NODE_ID\",\n"
+ " \"cluster\": \"ENVOY_CLUSTER\",\n"
+ " \"locality\": {\n"
+ " \"region\": \"ENVOY_REGION\",\n"
+ " \"zone\": \"ENVOY_ZONE\",\n"
+ " \"sub_zone\": \"ENVOY_SUBZONE\"\n"
+ " },\n"
+ " \"metadata\": {\n"
+ " \"TRAFFICDIRECTOR_INTERCEPTION_PORT\": \"ENVOY_PORT\",\n"
+ " \"TRAFFICDIRECTOR_NETWORK_NAME\": \"VPC_NETWORK_NAME\"\n"
+ " }\n"
+ " }\n"
+ "}";
thrown.expect(IOException.class);
thrown.expectMessage("Invalid bootstrap: 'xds_servers' does not exist.");
Bootstrapper.parseConfig(rawData);
}
@Test
public void parseBootstrap_serverWithoutServerUri() throws IOException {
String rawData = "{"
+ " \"node\": {\n"
+ " \"id\": \"ENVOY_NODE_ID\",\n"
+ " \"cluster\": \"ENVOY_CLUSTER\",\n"
+ " \"locality\": {\n"
+ " \"region\": \"ENVOY_REGION\",\n"
+ " \"zone\": \"ENVOY_ZONE\",\n"
+ " \"sub_zone\": \"ENVOY_SUBZONE\"\n"
+ " },\n"
+ " \"metadata\": {\n"
+ " \"TRAFFICDIRECTOR_INTERCEPTION_PORT\": \"ENVOY_PORT\",\n"
+ " \"TRAFFICDIRECTOR_NETWORK_NAME\": \"VPC_NETWORK_NAME\"\n"
+ " }\n"
+ " },\n"
+ " \"xds_servers\": [\n"
+ " {\n"
+ " \"channel_creds\": [\n"
+ " {\"type\": \"tls\"}, {\"type\": \"loas\"}\n"
+ " ]\n"
+ " }\n"
+ " ]\n "
+ "}";
thrown.expect(IOException.class);
thrown.expectMessage("Invalid bootstrap: 'xds_servers' contains unknown server.");
Bootstrapper.parseConfig(rawData);
}
@Test
public void parseBootstrap_validData_certProviderInstances() throws IOException {
String rawData =
"{\n"
+ " \"xds_servers\": [],\n"
+ " \"certificate_providers\": {\n"
+ " \"gcp_id\": {\n"
+ " \"plugin_name\": \"meshca\",\n"
+ " \"config\": {\n"
+ " \"server\": {\n"
+ " \"api_type\": \"GRPC\",\n"
+ " \"grpc_services\": [{\n"
+ " \"google_grpc\": {\n"
+ " \"target_uri\": \"meshca.com\",\n"
+ " \"channel_credentials\": {\"google_default\": {}},\n"
+ " \"call_credentials\": [{\n"
+ " \"sts_service\": {\n"
+ " \"token_exchange_service\": \"securetoken.googleapis.com\",\n"
+ " \"subject_token_path\": \"/etc/secret/sajwt.token\"\n"
+ " }\n"
+ " }]\n" // end call_credentials
+ " },\n" // end google_grpc
+ " \"time_out\": {\"seconds\": 10}\n"
+ " }]\n" // end grpc_services
+ " },\n" // end server
+ " \"certificate_lifetime\": {\"seconds\": 86400},\n"
+ " \"renewal_grace_period\": {\"seconds\": 3600},\n"
+ " \"key_type\": \"RSA\",\n"
+ " \"key_size\": 2048,\n"
+ " \"location\": \"https://container.googleapis.com/v1/project/test-project1/locations/test-zone2/clusters/test-cluster3\"\n"
+ " }\n" // end config
+ " },\n" // end gcp_id
+ " \"file_provider\": {\n"
+ " \"plugin_name\": \"file_watcher\",\n"
+ " \"config\": {\"path\": \"/etc/secret/certs\"}\n"
+ " }\n"
+ " }\n"
+ "}";
BootstrapInfo info = Bootstrapper.parseConfig(rawData);
assertThat(info.getServers()).isEmpty();
assertThat(info.getNode()).isEqualTo(getNodeBuilder().build());
Map<String, Bootstrapper.CertificateProviderInfo> certProviders = info.getCertProviders();
assertThat(certProviders).isNotNull();
Bootstrapper.CertificateProviderInfo gcpId = certProviders.get("gcp_id");
Bootstrapper.CertificateProviderInfo fileProvider = certProviders.get("file_provider");
assertThat(gcpId.getPluginName()).isEqualTo("meshca");
assertThat(gcpId.getConfig()).isInstanceOf(Map.class);
assertThat(fileProvider.getPluginName()).isEqualTo("file_watcher");
assertThat(fileProvider.getConfig()).isInstanceOf(Map.class);
Map<String, ?> meshCaConfig = (Map<String, ?>)gcpId.getConfig();
assertThat(meshCaConfig.get("key_size")).isEqualTo(2048);
}
@Test
public void parseBootstrap_badPluginName() throws IOException {
String rawData =
"{\n"
+ " \"xds_servers\": [],\n"
+ " \"certificate_providers\": {\n"
+ " \"gcp_id\": {\n"
+ " \"plugin_name\": 234,\n"
+ " \"config\": {\n"
+ " \"server\": {\n"
+ " \"api_type\": \"GRPC\",\n"
+ " \"grpc_services\": [{\n"
+ " \"google_grpc\": {\n"
+ " \"target_uri\": \"meshca.com\",\n"
+ " \"channel_credentials\": {\"google_default\": {}},\n"
+ " \"call_credentials\": [{\n"
+ " \"sts_service\": {\n"
+ " \"token_exchange_service\": \"securetoken.googleapis.com\",\n"
+ " \"subject_token_path\": \"/etc/secret/sajwt.token\"\n"
+ " }\n"
+ " }]\n" // end call_credentials
+ " },\n" // end google_grpc
+ " \"time_out\": {\"seconds\": 10}\n"
+ " }]\n" // end grpc_services
+ " },\n" // end server
+ " \"certificate_lifetime\": {\"seconds\": 86400},\n"
+ " \"renewal_grace_period\": {\"seconds\": 3600},\n"
+ " \"key_type\": \"RSA\",\n"
+ " \"key_size\": 2048,\n"
+ " \"location\": \"https://container.googleapis.com/v1/project/test-project1/locations/test-zone2/clusters/test-cluster3\"\n"
+ " }\n" // end config
+ " },\n" // end gcp_id
+ " \"file_provider\": {\n"
+ " \"plugin_name\": \"file_watcher\",\n"
+ " \"config\": {\"path\": \"/etc/secret/certs\"}\n"
+ " }\n"
+ " }\n"
+ "}";
try {
Bootstrapper.parseConfig(rawData);
fail("exception expected");
} catch (ClassCastException expected) {
assertThat(expected).hasMessageThat().contains("value '234.0' for key 'plugin_name' in");
}
}
@Test
public void parseBootstrap_badConfig() throws IOException {
String rawData =
"{\n"
+ " \"xds_servers\": [],\n"
+ " \"certificate_providers\": {\n"
+ " \"gcp_id\": {\n"
+ " \"plugin_name\": \"meshca\",\n"
+ " \"config\": \"badValue\"\n"
+ " },\n" // end gcp_id
+ " \"file_provider\": {\n"
+ " \"plugin_name\": \"file_watcher\",\n"
+ " \"config\": {\"path\": \"/etc/secret/certs\"}\n"
+ " }\n"
+ " }\n"
+ "}";
try {
Bootstrapper.parseConfig(rawData);
fail("exception expected");
} catch (ClassCastException expected) {
assertThat(expected).hasMessageThat().contains("value 'badValue' for key 'config' in");
}
}
@Test
public void parseBootstrap_missingConfig() throws IOException {
String rawData =
"{\n"
+ " \"xds_servers\": [],\n"
+ " \"certificate_providers\": {\n"
+ " \"gcp_id\": {\n"
+ " \"plugin_name\": \"meshca\"\n"
+ " },\n" // end gcp_id
+ " \"file_provider\": {\n"
+ " \"plugin_name\": \"file_watcher\",\n"
+ " \"config\": {\"path\": \"/etc/secret/certs\"}\n"
+ " }\n"
+ " }\n"
+ "}";
try {
Bootstrapper.parseConfig(rawData);
fail("exception expected");
} catch (IOException expected) {
assertThat(expected)
.hasMessageThat()
.isEqualTo("Invalid bootstrap: 'config' does not exist.");
}
}
@Test
public void parseBootstrap_missingPluginName() throws IOException {
String rawData =
"{\n"
+ " \"xds_servers\": [],\n"
+ " \"certificate_providers\": {\n"
+ " \"gcp_id\": {\n"
+ " \"plugin_name\": \"meshca\",\n"
+ " \"config\": {\n"
+ " \"server\": {\n"
+ " \"api_type\": \"GRPC\",\n"
+ " \"grpc_services\": [{\n"
+ " \"google_grpc\": {\n"
+ " \"target_uri\": \"meshca.com\",\n"
+ " \"channel_credentials\": {\"google_default\": {}},\n"
+ " \"call_credentials\": [{\n"
+ " \"sts_service\": {\n"
+ " \"token_exchange_service\": \"securetoken.googleapis.com\",\n"
+ " \"subject_token_path\": \"/etc/secret/sajwt.token\"\n"
+ " }\n"
+ " }]\n" // end call_credentials
+ " },\n" // end google_grpc
+ " \"time_out\": {\"seconds\": 10}\n"
+ " }]\n" // end grpc_services
+ " },\n" // end server
+ " \"certificate_lifetime\": {\"seconds\": 86400},\n"
+ " \"renewal_grace_period\": {\"seconds\": 3600},\n"
+ " \"key_type\": \"RSA\",\n"
+ " \"key_size\": 2048,\n"
+ " \"location\": \"https://container.googleapis.com/v1/project/test-project1/locations/test-zone2/clusters/test-cluster3\"\n"
+ " }\n" // end config
+ " },\n" // end gcp_id
+ " \"file_provider\": {\n"
+ " \"config\": {\"path\": \"/etc/secret/certs\"}\n"
+ " }\n"
+ " }\n"
+ "}";
try {
Bootstrapper.parseConfig(rawData);
fail("exception expected");
} catch (IOException expected) {
assertThat(expected)
.hasMessageThat()
.isEqualTo("Invalid bootstrap: 'plugin_name' does not exist.");
}
}
private static Node.Builder getNodeBuilder() {
GrpcBuildVersion buildVersion = GrpcUtil.getGrpcBuildVersion();
return
Node.newBuilder()
.setBuildVersion(buildVersion.toString())
.setUserAgentName(buildVersion.getUserAgent())
.setUserAgentVersion(buildVersion.getImplementationVersion())
.addClientFeatures(Bootstrapper.CLIENT_FEATURE_DISABLE_OVERPROVISIONING);
}
}