/**
* 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.
*/
package org.apache.whirr.compute;
import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.getOnlyElement;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.net.MalformedURLException;
import java.util.Map;
import com.google.common.base.Joiner;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableMap;
import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.whirr.ClusterSpec;
import org.apache.whirr.InstanceTemplate;
import org.apache.whirr.service.jclouds.StatementBuilder;
import org.jclouds.aws.ec2.compute.AWSEC2ComputeService;
import org.jclouds.aws.ec2.compute.AWSEC2TemplateOptions;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.Template;
import org.jclouds.compute.domain.TemplateBuilder;
import org.jclouds.compute.domain.TemplateBuilderSpec;
import org.jclouds.compute.options.TemplateOptions;
import org.junit.Before;
import org.junit.Test;
public class BootstrapTemplateTest {
private StatementBuilder statementBuilder;
@Before
public void setUp() throws Exception {
statementBuilder = new StatementBuilder();
}
@Test
public void testSetGlobalSpotPrice() throws Exception {
ClusterSpec clusterSpec = buildClusterSpecWith(ImmutableMap.of(
"whirr.instance-templates", "1 role1",
"whirr.aws-ec2-spot-price", "0.3"
));
assertSpotPriceIs(clusterSpec, "role1", 0.3f);
}
@Test
public void testOverrideSpotPrice() throws Exception {
ClusterSpec clusterSpec = buildClusterSpecWith(ImmutableMap.of(
"whirr.instance-templates", "1 role1",
"whirr.aws-ec2-spot-price", "0.1",
"whirr.templates.role1.aws-ec2-spot-price", "0.3"
));
assertSpotPriceIs(clusterSpec, "role1", 0.3f);
}
@Test
public void testDifferentPrices() throws Exception {
ClusterSpec clusterSpec = buildClusterSpecWith(ImmutableMap.of(
"whirr.instance-templates", "1 role1, 1 role2",
"whirr.aws-ec2-spot-price", "0.1",
"whirr.templates.role2.aws-ec2-spot-price", "0.3"
));
assertSpotPriceIs(clusterSpec, "role1", 0.1f);
assertSpotPriceIs(clusterSpec, "role2", 0.3f);
}
private ClusterSpec buildClusterSpecWith(Map<String, String> overrides) throws Exception {
CompositeConfiguration config = new CompositeConfiguration();
config.setProperty("whirr.image-id", "us-east-1/ami-123");
for (String key : overrides.keySet()) {
config.setProperty(key, overrides.get(key));
}
return ClusterSpec.withTemporaryKeys(config);
}
@SuppressWarnings("unchecked")
private void assertSpotPriceIs(
ClusterSpec clusterSpec, final String templateGroup, float spotPrice
) throws MalformedURLException {
InstanceTemplate instanceTemplate = getOnlyElement(filter(
clusterSpec.getInstanceTemplates(),
new Predicate<InstanceTemplate>() {
private Joiner plusJoiner = Joiner.on("+");
@Override
public boolean apply(InstanceTemplate group) {
return plusJoiner.join(group.getRoles()).equals(templateGroup);
}
}));
ComputeService computeService = mock(AWSEC2ComputeService.class);
ComputeServiceContext context = mock(ComputeServiceContext.class);
when(computeService.getContext()).thenReturn(context);
when(context.getComputeService()).thenReturn(computeService);
TemplateBuilder templateBuilder = mock(TemplateBuilder.class);
when(computeService.templateBuilder()).thenReturn(templateBuilder);
when(templateBuilder.from((TemplateBuilderSpec)any())).thenReturn(templateBuilder);
when(templateBuilder.options((TemplateOptions)any())).thenReturn(templateBuilder);
Template template = mock(Template.class);
TemplateOptions options = mock(TemplateOptions.class);
Image image = mock(Image.class);
when(templateBuilder.build()).thenReturn(template);
when(template.getOptions()).thenReturn(options);
when(template.getImage()).thenReturn(image);
AWSEC2TemplateOptions awsEec2TemplateOptions = mock(AWSEC2TemplateOptions.class);
when(options.as((Class<TemplateOptions>) any())).thenReturn(awsEec2TemplateOptions);
BootstrapTemplate.build(clusterSpec, computeService,
statementBuilder, instanceTemplate);
verify(awsEec2TemplateOptions).spotPrice(spotPrice);
}
}