| // 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. |
| |
| #include <csignal> |
| #include <functional> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| #include "kudu/gutil/strings/substitute.h" |
| #include "kudu/integration-tests/external_mini_cluster-itest-base.h" |
| #include "kudu/mini-cluster/external_mini_cluster.h" |
| #include "kudu/util/env.h" |
| #include "kudu/util/path_util.h" |
| #include "kudu/util/subprocess.h" |
| #include "kudu/util/test_macros.h" |
| #include "kudu/util/test_util.h" |
| |
| using std::string; |
| using std::vector; |
| using strings::Substitute; |
| |
| namespace kudu { |
| |
| using cluster::ExternalMaster; |
| using cluster::ExternalTabletServer; |
| |
| // Test the creation of minidumps upon process crash. |
| class MinidumpGenerationITest : public ExternalMiniClusterITestBase { |
| protected: |
| void WaitForMinidumps(int expected, const string& dir); |
| }; |
| |
| void MinidumpGenerationITest::WaitForMinidumps(int expected, const string& dir) { |
| ASSERT_EVENTUALLY([&] { |
| vector<string> matches; |
| ASSERT_OK(env_->Glob(JoinPathSegments(dir, "*.dmp"), &matches)); |
| ASSERT_EQ(expected, matches.size()); |
| }); |
| } |
| |
| TEST_F(MinidumpGenerationITest, TestCreateMinidumpOnCrash) { |
| // Minidumps are disabled by default in the ExternalMiniCluster. |
| NO_FATALS(StartCluster({"--enable_minidumps"}, {"--enable_minidumps"}, 1)); |
| |
| // Test kudu-tserver. |
| ExternalTabletServer* ts = cluster_->tablet_server(0); |
| string dir = Substitute("$0/$1/$2", ts->log_dir(), "minidumps", "kudu-tserver"); |
| ASSERT_OK(ts->process()->Kill(SIGABRT)); |
| NO_FATALS(WaitForMinidumps(1, dir)); |
| |
| // Test kudu-master. |
| ExternalMaster* master = cluster_->master(); |
| dir = Substitute("$0/$1/$2", master->log_dir(), "minidumps", "kudu-master"); |
| ASSERT_OK(master->process()->Kill(SIGABRT)); |
| NO_FATALS(WaitForMinidumps(1, dir)); |
| } |
| |
| TEST_F(MinidumpGenerationITest, TestCreateMinidumpOnSIGUSR1) { |
| // Minidumps are disabled by default in the ExternalMiniCluster. |
| NO_FATALS(StartCluster({"--enable_minidumps"}, {"--enable_minidumps"}, 1)); |
| |
| // Enable minidumps and ensure SIGUSR1 generates them. |
| ExternalTabletServer* ts = cluster_->tablet_server(0); |
| string dir = Substitute("$0/$1/$2", ts->log_dir(), "minidumps", "kudu-tserver"); |
| ASSERT_OK(ts->process()->Kill(SIGUSR1)); |
| NO_FATALS(WaitForMinidumps(1, dir)); |
| NO_FATALS(cluster_->AssertNoCrashes()); |
| cluster_->Shutdown(); |
| |
| // Disable minidumps and ensure SIGUSR1 remains non-fatal. |
| ts->mutable_flags()->push_back("--enable_minidumps=false"); |
| ASSERT_OK(env_->DeleteRecursively(dir)); |
| ASSERT_OK(env_->CreateDir(dir)); |
| ASSERT_OK(cluster_->Restart()); |
| ASSERT_OK(ts->process()->Kill(SIGUSR1)); |
| NO_FATALS(cluster_->AssertNoCrashes()); |
| NO_FATALS(WaitForMinidumps(0, dir)); // There should be no dumps. |
| } |
| |
| } // namespace kudu |