| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cassandra.sidecar.common; |
| |
| import org.junit.jupiter.api.extension.ExtendWith; |
| |
| import io.vertx.core.Future; |
| import io.vertx.core.eventbus.Message; |
| import io.vertx.core.json.JsonObject; |
| import io.vertx.ext.web.client.HttpRequest; |
| import io.vertx.ext.web.client.HttpResponse; |
| import io.vertx.ext.web.client.WebClient; |
| import io.vertx.ext.web.codec.BodyCodec; |
| import io.vertx.junit5.VertxExtension; |
| import io.vertx.junit5.VertxTestContext; |
| import org.apache.cassandra.distributed.UpgradeableCluster; |
| import org.apache.cassandra.sidecar.testing.IntegrationTestBase; |
| import org.apache.cassandra.testing.CassandraIntegrationTest; |
| import org.apache.cassandra.testing.CassandraTestContext; |
| |
| import static io.netty.handler.codec.http.HttpResponseStatus.OK; |
| import static io.netty.handler.codec.http.HttpResponseStatus.SERVICE_UNAVAILABLE; |
| import static org.apache.cassandra.sidecar.server.SidecarServerEvents.ON_CASSANDRA_CQL_READY; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| /** |
| * Test CQLSessionProvider in a variety of cluster states |
| */ |
| @ExtendWith(VertxExtension.class) |
| public class CQLSessionProviderTest extends IntegrationTestBase |
| { |
| |
| public static final String OK_KEYSPACE_RESPONSE_START = "{\"schema\":\"CREATE KEYSPACE "; |
| public static final String KEYSPACE_FAILED_RESPONSE_START = "{\"status\":\"Service Unavailable\","; |
| |
| @CassandraIntegrationTest(nodesPerDc = 2, startCluster = false) |
| void testCqlSessionProviderWorksAsExpected(VertxTestContext context, CassandraTestContext cassandraTestContext) |
| throws Exception |
| { |
| UpgradeableCluster cluster = cassandraTestContext.getCluster(); |
| testWithClient(context, false, webClient -> { |
| // To start, both instances are stopped, so we should get 503s for both |
| buildInstanceHealthRequest(webClient, "1") |
| .send() |
| .onSuccess(response -> assertHealthCheckFailed(response, context)) |
| .compose(_ignored -> |
| buildInstanceHealthRequest(webClient, "2") |
| .send() |
| .onSuccess(response -> assertHealthCheckFailed(response, context))) |
| .compose(_ignored -> |
| buildKeyspaceRequest(webClient) |
| .send() |
| // With no instances available in the cluster, keyspace requests should fail |
| .onSuccess(response -> assertKeyspaceFailed(response, context))) |
| .compose(_ignored -> { |
| // Start instance 1 and check both again |
| return Future.future(promise -> { |
| vertx.eventBus() |
| .localConsumer(ON_CASSANDRA_CQL_READY.address(), |
| (Message<JsonObject> message) -> { |
| if (message.body().getInteger("cassandraInstanceId") == 1) |
| { |
| promise.complete(); |
| } |
| }); |
| cluster.get(1).startup(); |
| }); |
| }) |
| .compose(_ignored -> |
| buildInstanceHealthRequest(webClient, "1") |
| .send() |
| .onSuccess(response -> assertHealthCheckOk(response, context))) |
| .compose(_ignored -> |
| buildInstanceHealthRequest(webClient, "2") |
| .send() |
| .onSuccess(response -> assertHealthCheckFailed(response, context)) |
| ) |
| .compose(_ignored -> |
| // Even with only 1 instance connected/up, we should still have keyspace metadata |
| buildKeyspaceRequest(webClient) |
| .send() |
| .onSuccess(response -> assertKeyspaceOk(response, context))) |
| .compose(_ignored -> { |
| // Start instance 2 and check both again |
| return Future.future(promise -> { |
| vertx.eventBus() |
| .localConsumer(ON_CASSANDRA_CQL_READY.address(), |
| (Message<JsonObject> message) -> { |
| if (message.body().getInteger("cassandraInstanceId") == 2) |
| { |
| promise.complete(); |
| } |
| }); |
| cluster.get(2).startup(); |
| }); |
| }) |
| .compose(_ignored -> |
| buildInstanceHealthRequest(webClient, "1") |
| .send() |
| .onSuccess(response -> assertHealthCheckOk(response, context))) |
| .compose(_ignored -> |
| buildInstanceHealthRequest(webClient, "2") |
| .send() |
| .onSuccess(response -> assertHealthCheckOk(response, context)) |
| ) |
| .onSuccess(_ignored -> context.completeNow()) |
| .onFailure(context::failNow); |
| } |
| ); |
| } |
| |
| private HttpRequest<String> buildInstanceHealthRequest(WebClient webClient, String instanceId) |
| { |
| return webClient.get(server.actualPort(), |
| "localhost", |
| "/api/v1/cassandra/__health?instanceId=" + instanceId) |
| .as(BodyCodec.string()); |
| } |
| |
| private HttpRequest<String> buildKeyspaceRequest(WebClient webClient) |
| { |
| return webClient.get(server.actualPort(), |
| "localhost", |
| "/api/v1/schema/keyspaces") |
| .as(BodyCodec.string()); |
| } |
| |
| private void assertHealthCheckOk(HttpResponse<String> response, VertxTestContext context) |
| { |
| context.verify(() -> { |
| assertThat(response.statusCode()).isEqualTo(OK.code()); |
| assertThat(response.body()).isEqualTo("{\"status\":\"OK\"}"); |
| }); |
| } |
| |
| private void assertHealthCheckFailed(HttpResponse<String> response, VertxTestContext context) |
| { |
| context.verify(() -> { |
| assertThat(response.statusCode()).isEqualTo(SERVICE_UNAVAILABLE.code()); |
| assertThat(response.body()).isEqualTo("{\"status\":\"NOT_OK\"}"); |
| }); |
| } |
| |
| private void assertKeyspaceOk(HttpResponse<String> response, VertxTestContext context) |
| { |
| context.verify(() -> { |
| assertThat(response.statusCode()).isEqualTo(OK.code()); |
| assertThat(response.body()).startsWith(OK_KEYSPACE_RESPONSE_START); |
| }); |
| } |
| |
| private void assertKeyspaceFailed(HttpResponse<String> response, VertxTestContext context) |
| { |
| context.verify(() -> { |
| assertThat(response.statusCode()).isEqualTo(SERVICE_UNAVAILABLE.code()); |
| assertThat(response.body()).startsWith(KEYSPACE_FAILED_RESPONSE_START); |
| }); |
| } |
| } |