/*
* Copyright (c) 2012 S.C. Axemblr Software Solutions S.R.L
*
* 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.axemblr.provisionr.amazon.activities;
import static org.fest.assertions.api.Assertions.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.amazonaws.services.ec2.model.DescribeInstancesRequest;
import com.amazonaws.services.ec2.model.DescribeInstancesResult;
import com.amazonaws.services.ec2.model.DescribeVolumesRequest;
import com.amazonaws.services.ec2.model.DescribeVolumesResult;
import com.amazonaws.services.ec2.model.Instance;
import com.amazonaws.services.ec2.model.InstanceBlockDeviceMapping;
import com.amazonaws.services.ec2.model.TerminateInstancesRequest;
import com.amazonaws.services.ec2.model.Volume;
import com.axemblr.provisionr.amazon.ProcessVariables;
import com.axemblr.provisionr.api.hardware.BlockDevice;
import com.axemblr.provisionr.test.ProcessVariablesCollector;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Uninterruptibles;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
public class RunOnDemandInstancesLiveTest extends CreatePoolLiveTest<RunOnDemandInstances> {
private ProcessVariablesCollector collector;
@Override
public void setUp() throws Exception {
super.setUp();
collector = new ProcessVariablesCollector();
collector.install(execution);
}
@Test
public void testRunInstances() throws Exception {
activity.execute(execution);
verify(execution).setVariable(eq(ProcessVariables.RESERVATION_ID), anyString());
verify(execution).setVariable(eq(ProcessVariables.INSTANCE_IDS), any());
@SuppressWarnings("unchecked")
List<String> instanceIds = (List<String>) collector.getVariable(ProcessVariables.INSTANCE_IDS);
/* the second call should do nothing */
activity.execute(execution);
DescribeInstancesResult result = client.describeInstances(new DescribeInstancesRequest()
.withInstanceIds(instanceIds));
assertThat(result.getReservations()).hasSize(1);
assertThat(result.getReservations().get(0).getInstances()).hasSize(1);
}
@Test
public void testRunInstancesWithBlockDevices() throws Exception {
// TODO: maybe we should also test for spot instances
BlockDevice blockDevice = mock(BlockDevice.class);
when(blockDevice.getSize()).thenReturn(8); // TODO: understand why it doesn't work for smaller volumes
when(blockDevice.getName()).thenReturn("/dev/sda1");
BlockDevice blockDevice2 = mock(BlockDevice.class);
when(blockDevice2.getSize()).thenReturn(16);
when(blockDevice2.getName()).thenReturn("/dev/sda4");
when(hardware.getBlockDevices()).thenReturn(Lists.newArrayList(blockDevice, blockDevice2));
activity.execute(execution);
Uninterruptibles.sleepUninterruptibly(30, TimeUnit.SECONDS);
@SuppressWarnings("unchecked")
List<String> instanceIds = (List<String>) collector.getVariable(ProcessVariables.INSTANCE_IDS);
DescribeInstancesResult result = client.describeInstances(new DescribeInstancesRequest()
.withInstanceIds(instanceIds));
Instance instance = result.getReservations().get(0).getInstances().get(0);
List<InstanceBlockDeviceMapping> bdm = instance.getBlockDeviceMappings();
assertThat(bdm).hasSize(2);
List<String> volumeIds = Lists.newArrayList();
for (int i = 0; i < bdm.size(); i++) {
assertThat(bdm.get(i).getDeviceName()).isEqualTo("/dev/sda" + ((i+1) * (i+1)));
assertThat(bdm.get(i).getEbs().getDeleteOnTermination()).isTrue();
volumeIds.add(bdm.get(i).getEbs().getVolumeId());
}
DescribeVolumesResult volumesResult = client.describeVolumes(
new DescribeVolumesRequest().withVolumeIds(volumeIds));
for (Volume volume : volumesResult.getVolumes()) {
assertThat(volume.getState()).isIn(Lists.newArrayList("creating", "available", "in-use"));
}
assertThat(volumesResult.getVolumes().get(0).getSize()).isNotEqualTo(volumesResult.getVolumes().get(1).getSize());
}
@Override
public void tearDown() throws Exception {
@SuppressWarnings("unchecked")
List<String> instanceIds = (List<String>) collector.getVariable(ProcessVariables.INSTANCE_IDS);
client.terminateInstances(new TerminateInstancesRequest().withInstanceIds(instanceIds));
// TODO: this behaves strangely, if it tries to delete the security group
// and the instances are not yet killed, the test fails with an error
Uninterruptibles.sleepUninterruptibly(45, TimeUnit.SECONDS);
super.tearDown();
}
}