/*
* 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 com.facebook.presto.verifier;
import com.facebook.presto.util.IterableTransformer;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import io.airlift.configuration.ConfigurationFactory;
import io.airlift.configuration.ConfigurationLoader;
import io.airlift.event.client.EventClient;
import org.skife.jdbi.v2.DBI;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintStream;
import java.util.List;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.lang.String.format;
public class PrestoVerifier
{
private final VerifierConfig config;
protected PrestoVerifier(VerifierConfig config)
{
this.config = checkNotNull(config, "config is null");
}
public static void main(String[] args)
throws Exception
{
Optional<String> configPath = Optional.fromNullable((args.length > 0) ? args[0] : null);
VerifierConfig config = loadConfig(VerifierConfig.class, configPath);
PrestoVerifier verifier = new PrestoVerifier(config);
verifier.run();
// HttpClient's threads don't seem to shutdown properly, so force the VM to exit
System.exit(0);
}
public void run()
throws Exception
{
EventClient eventClient = getEventClient(config);
VerifierDao dao = new DBI(config.getQueryDatabase()).onDemand(VerifierDao.class);
List<QueryPair> queries = dao.getQueriesBySuite(config.getSuite(), config.getMaxQueries());
queries = applyOverrides(config, queries);
queries = filterQueries(queries);
Verifier verifier = new Verifier(System.out, config, eventClient);
verifier.run(queries);
}
/**
* Override this method to apply additional filtering to queries, before they're run.
*/
protected List<QueryPair> filterQueries(List<QueryPair> queries)
{
return queries;
}
private static List<QueryPair> applyOverrides(final VerifierConfig config, List<QueryPair> queries)
{
return IterableTransformer.on(queries).transform(new Function<QueryPair, QueryPair>()
{
@Override
public QueryPair apply(QueryPair input)
{
Query test = new Query(
Optional.fromNullable(config.getTestCatalogOverride()).or(input.getTest().getCatalog()),
Optional.fromNullable(config.getTestSchemaOverride()).or(input.getTest().getSchema()),
input.getTest().getQuery());
Query control = new Query(
Optional.fromNullable(config.getControlCatalogOverride()).or(input.getControl().getCatalog()),
Optional.fromNullable(config.getControlSchemaOverride()).or(input.getControl().getSchema()),
input.getControl().getQuery());
return new QueryPair(input.getSuite(), input.getName(), test, control);
}
}).list();
}
private EventClient getEventClient(VerifierConfig config)
throws FileNotFoundException
{
switch (config.getEventClient()) {
case "human-readable":
return new HumanReadableEventClient(System.out, config.isAlwaysReport());
case "file":
checkNotNull(config.getEventLogFile(), "event log file path is null");
return new JsonEventClient(new PrintStream(config.getEventLogFile()));
}
EventClient client = getEventClient(config.getEventClient());
if (client != null) {
return client;
}
throw new RuntimeException(format("Unsupported event client %s", config.getEventClient()));
}
/**
* Override this method to provide other event client implementations.
*/
protected EventClient getEventClient(String name)
{
return null;
}
public static <T> T loadConfig(Class<T> clazz, Optional<String> path)
throws IOException
{
ImmutableMap.Builder<String, String> map = ImmutableMap.builder();
ConfigurationLoader loader = new ConfigurationLoader();
if (path.isPresent()) {
map.putAll(loader.loadPropertiesFrom(path.get()));
}
map.putAll(loader.getSystemProperties());
return new ConfigurationFactory(map.build()).build(clazz);
}
}