ClusterScalingTest.java example

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cloudbreak-master
package com.sequenceiq.it.cloudbreak.scaling;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Optional;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;

import com.sequenceiq.cloudbreak.api.endpoint.StackEndpoint;
import com.sequenceiq.cloudbreak.api.model.HostGroupAdjustmentJson;
import com.sequenceiq.cloudbreak.api.model.UpdateClusterJson;
import com.sequenceiq.cloudbreak.client.CloudbreakClient;
import com.sequenceiq.it.IntegrationTestContext;
import com.sequenceiq.it.cloudbreak.AbstractCloudbreakIntegrationTest;
import com.sequenceiq.it.cloudbreak.CloudbreakITContextConstants;
import com.sequenceiq.it.cloudbreak.CloudbreakUtil;

public class ClusterScalingTest extends AbstractCloudbreakIntegrationTest {
    private static final Logger LOGGER = LoggerFactory.getLogger(ClusterScalingTest.class);

    @BeforeMethod
    public void setContextParameters() {
        Assert.assertNotNull(getItContext().getContextParam(CloudbreakITContextConstants.STACK_ID), "Stack id is mandatory.");
    }

    @Test
    @Parameters({ "instanceGroup", "scalingAdjustment" })
    public void testClusterScaling(@Optional("slave_1") String instanceGroup, int scalingAdjustment) throws Exception {
        // GIVEN
        IntegrationTestContext itContext = getItContext();
        String stackId = itContext.getContextParam(CloudbreakITContextConstants.STACK_ID);
        int stackIntId = Integer.valueOf(stackId);
        StackEndpoint stackEndpoint = itContext.getContextParam(CloudbreakITContextConstants.CLOUDBREAK_CLIENT,
                CloudbreakClient.class).stackEndpoint();
        String ambariUser = itContext.getContextParam(CloudbreakITContextConstants.AMBARI_USER_ID);
        String ambariPassword = itContext.getContextParam(CloudbreakITContextConstants.AMBARI_PASSWORD_ID);
        String ambariPort = itContext.getContextParam(CloudbreakITContextConstants.AMBARI_PORT_ID);
        int expectedNodeCount = ScalingUtil.getNodeCountAmbari(stackEndpoint, ambariPort, stackId, ambariUser, ambariPassword, itContext) + scalingAdjustment;

        // WHEN
        UpdateClusterJson updateClusterJson = new UpdateClusterJson();
        HostGroupAdjustmentJson hostGroupAdjustmentJson = new HostGroupAdjustmentJson();
        hostGroupAdjustmentJson.setHostGroup(instanceGroup);
        hostGroupAdjustmentJson.setWithStackUpdate(false);
        hostGroupAdjustmentJson.setScalingAdjustment(scalingAdjustment);
        updateClusterJson.setHostGroupAdjustment(hostGroupAdjustmentJson);
        CloudbreakUtil.checkResponse("ScalingCluster", getCloudbreakClient().clusterEndpoint().put((long) stackIntId, updateClusterJson));
        CloudbreakUtil.waitAndCheckClusterStatus(getCloudbreakClient(), stackId, "AVAILABLE");
        // THEN
        ScalingUtil.checkClusterScaled(stackEndpoint, ambariPort, stackId, ambariUser, ambariPassword, expectedNodeCount, itContext);
    }
}