/
AOShell.java
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/
AOShell.java
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package ic3.analyticsops.shell;
import ic3.analyticsops.test.AOActor;
import ic3.analyticsops.test.AOTest;
import ic3.analyticsops.test.AOTestContext;
import ic3.analyticsops.test.load.AOLoadTestActorConfiguration;
import ic3.analyticsops.test.load.AOLoadTestConfiguration;
import ic3.analyticsops.test.schedule.AOActorSchedule;
import ic3.analyticsops.test.schedule.AOTestSchedule;
import ic3.analyticsops.utils.AOLog4jUtils;
import ic3.analyticsops.utils.AOStringUtils;
import org.apache.logging.log4j.Level;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.io.FileReader;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
public class AOShell
{
public static void main(String[] args)
{
AOLog4jUtils.configure(Level.DEBUG);
try
{
final File props = new File(".env.dev");
if (props.exists())
{
final Properties p = new Properties();
p.putAll(System.getProperties());
p.load(new FileReader(props, StandardCharsets.UTF_8));
System.setProperties(p);
}
}
catch (Exception ex)
{
AOLog4jUtils.SHELL.error("[shell] could not setup the system properties : exit(-1)", ex);
System.exit(-1);
}
final AOTest test = createTest();
if (test == null)
{
AOLog4jUtils.SHELL.error("[shell] could not create the test : exit(-1)");
System.exit(-1);
}
// A list of actor(s) to run for a given period of time (start - stop interval).
final AOTestSchedule schedule = createTestSchedule(test);
if (schedule == null)
{
AOLog4jUtils.SHELL.error("[shell] could not create the test schedule : exit(-1)");
System.exit(-1);
}
final AOTestContext context = new AOTestContext(test, schedule);
try
{
context.run();
}
catch (InterruptedException ex /* dunno yet */)
{
AOLog4jUtils.SHELL.error("[shell] test (unexpected) interrupted", ex);
context.onTestInterrupted(ex);
}
finally
{
context.shutdown() /* safe */;
}
if (!context.isOnError())
{
context.dumpStatistics();
}
if (context.isOnError())
{
AOLog4jUtils.SHELL.error("[shell] test completed on error : exit(-1)");
System.exit(-1);
}
else
{
AOLog4jUtils.SHELL.info("[shell] test completed successfully : exit(0)");
System.exit(0);
}
}
@Nullable
public static AOTest createTest()
{
try
{
final String prop = System.getProperty("analytics.ops.test");
final File json5;
if (AOStringUtils.isNotEmpty(prop))
{
json5 = new File(prop);
}
else
{
json5 = new File("etc/tests/demo.test.json5");
}
AOLog4jUtils.SHELL.info("[shell] JSON configuration : {}", json5.getAbsolutePath());
final AOTest test = AOTest.create(json5);
test.validate() /* ensure as much as possible its JSON definition was valid */;
return test;
}
catch (Exception ex)
{
AOLog4jUtils.SHELL.error("[shell] could not create and validate the test", ex);
return null;
}
}
@Nullable
public static AOTestSchedule createTestSchedule(AOTest test)
{
try
{
final AOLoadTestConfiguration load = test.getLoad();
final List<AOActorSchedule> schedules;
if (load != null)
{
schedules = createTestScheduleForLoadTesting(test);
}
else
{
schedules = createTestScheduleForRegularTesting(test);
}
return new AOTestSchedule(load, test.getDuration(), schedules);
}
catch (Exception ex)
{
AOLog4jUtils.SHELL.error("[shell] could not create and validate the test schedule", ex);
return null;
}
}
/**
* Degenerated load-testing : actors are not duplicated and started immediately.
*/
public static List<AOActorSchedule> createTestScheduleForRegularTesting(AOTest test)
{
final List<AOActorSchedule> schedules = new ArrayList<>();
final Duration duration = test.getDuration();
for (AOActor actor : test.activeActors())
{
if (duration == null)
{
schedules.add(new AOActorSchedule(actor));
}
else
{
schedules.add(new AOActorSchedule(actor, 0, duration.toMillis()));
}
}
return schedules;
}
/**
* Actors are duplicated and started according to their ramp-up stage.
*/
public static List<AOActorSchedule> createTestScheduleForLoadTesting(AOTest test)
{
final List<AOActorSchedule> schedules = new ArrayList<>();
final AOLoadTestConfiguration load = test.getLoad();
if (load == null)
{
throw new RuntimeException("internal error : unexpected missing load configuration");
}
int id = 0;
for (AOLoadTestActorConfiguration actorConfiguration : load.getActors())
{
final AOActor actor = test.lookupActiveActor(actorConfiguration.getActor());
if (actor != null)
{
final long delayMS = actorConfiguration.getDelayMS();
final long rampUpMS = actorConfiguration.getRampUpMS();
final long steadyStateMS = actorConfiguration.getSteadyStateMS();
final long createStepMS = actorConfiguration.getRampUpMS() / actorConfiguration.getCount();
final long killStepMS = actorConfiguration.getRampDownMS() / actorConfiguration.getCount();
for (int ii = 0; ii < actorConfiguration.getCount(); ii++)
{
schedules.add(new AOActorSchedule(
actor,
id++,
delayMS + createStepMS * ii,
delayMS + rampUpMS + steadyStateMS + killStepMS * ii
));
}
}
}
return schedules;
}
}