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// Copyright 2015 Cloudera, Inc.
//
// 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.
#ifndef KUDU_INTEGRATION_TESTS_EXTERNAL_MINI_CLUSTER_ITEST_BASE_H_
#define KUDU_INTEGRATION_TESTS_EXTERNAL_MINI_CLUSTER_ITEST_BASE_H_
#include <gtest/gtest.h>
#include <tr1/memory>
#include <tr1/unordered_map>
#include <string>
#include <vector>
#include "kudu/client/client.h"
#include "kudu/gutil/stl_util.h"
#include "kudu/integration-tests/cluster_itest_util.h"
#include "kudu/integration-tests/external_mini_cluster.h"
#include "kudu/integration-tests/external_mini_cluster_fs_inspector.h"
#include "kudu/util/pstack_watcher.h"
#include "kudu/util/test_util.h"
namespace kudu {
// Simple base utility class to provide an external mini cluster with common
// setup routines useful for integration tests.
class ExternalMiniClusterITestBase : public KuduTest {
public:
virtual void TearDown() OVERRIDE {
if (cluster_) {
if (HasFatalFailure()) {
LOG(INFO) << "Found fatal failure";
for (int i = 0; i < cluster_->num_tablet_servers(); i++) {
if (!cluster_->tablet_server(i)->IsProcessAlive()) {
LOG(INFO) << "Tablet server " << i << " is not running. Cannot dump its stacks.";
continue;
}
LOG(INFO) << "Attempting to dump stacks of TS " << i
<< " with UUID " << cluster_->tablet_server(i)->uuid()
<< " and pid " << cluster_->tablet_server(i)->pid();
WARN_NOT_OK(PstackWatcher::DumpPidStacks(cluster_->tablet_server(i)->pid()),
"Couldn't dump stacks");
}
}
cluster_->Shutdown();
}
KuduTest::TearDown();
STLDeleteValues(&ts_map_);
}
protected:
void StartCluster(const std::vector<std::string>& extra_ts_flags = std::vector<std::string>(),
const std::vector<std::string>& extra_master_flags = std::vector<std::string>(),
int num_tablet_servers = 3);
gscoped_ptr<ExternalMiniCluster> cluster_;
gscoped_ptr<itest::ExternalMiniClusterFsInspector> inspect_;
std::tr1::shared_ptr<client::KuduClient> client_;
std::tr1::unordered_map<std::string, itest::TServerDetails*> ts_map_;
};
void ExternalMiniClusterITestBase::StartCluster(const std::vector<std::string>& extra_ts_flags,
const std::vector<std::string>& extra_master_flags,
int num_tablet_servers) {
ExternalMiniClusterOptions opts;
opts.num_tablet_servers = num_tablet_servers;
opts.extra_master_flags = extra_master_flags;
opts.extra_tserver_flags = extra_ts_flags;
opts.extra_tserver_flags.push_back("--never_fsync"); // fsync causes flakiness on EC2.
cluster_.reset(new ExternalMiniCluster(opts));
ASSERT_OK(cluster_->Start());
inspect_.reset(new itest::ExternalMiniClusterFsInspector(cluster_.get()));
ASSERT_OK(itest::CreateTabletServerMap(cluster_->master_proxy().get(),
cluster_->messenger(),
&ts_map_));
client::KuduClientBuilder builder;
ASSERT_OK(cluster_->CreateClient(builder, &client_));
}
} // namespace kudu
#endif // KUDU_INTEGRATION_TESTS_EXTERNAL_MINI_CLUSTER_ITEST_BASE_H_