com.xceptance.xlt.gce.GceAdmin Maven / Gradle / Ivy
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XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
/*
* Copyright (c) 2005-2022 Xceptance Software Technologies GmbH
*
* 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.xceptance.xlt.gce;
import java.io.File;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.xceptance.common.util.ConsoleUiUtils;
/**
* Runs gce_admin in either interactive or non-interactive mode.
*/
class GceAdmin
{
/**
* The log facility.
*/
private static final Logger log = LoggerFactory.getLogger(GceAdmin.class);
/**
* The keys used to select the main functions.
*/
private static final String[] OPERATION_KEYS =
{
"l", "c", "d", "q"
};
/**
* The descriptions of the main functions.
*/
private static final String[] OPERATION_DESCRIPTIONS =
{
"List running instances", "Create managed instance groups", "Delete managed instance groups", "Quit"
};
/**
* The main functions.
*/
static final String[] OPERATIONS =
{
"list", "create", "delete", "quit"
};
/**
* The underlying GCE client.
*/
private final GceClient gceClient;
/**
* Constructor.
*
* @throws IOException
* if the GCE client cannot be created
* @throws GeneralSecurityException
* if the GCE client cannot be created
*/
GceAdmin() throws IOException, GeneralSecurityException
{
final GceAdminConfiguration gceConfiguration = new GceAdminConfiguration();
gceClient = new GceClient(gceConfiguration.getApplicationName(), gceConfiguration.getProjectId(),
gceConfiguration.getInstanceConnectTimeout());
}
/**
* Runs the application in interactive mode.
*/
void startInteractiveMode()
{
while (true)
{
try
{
System.out.println();
final String operation = selectOperation();
System.out.println();
if (operation.equals(OPERATIONS[0]))
{
new OpListInstances(gceClient).execute();
}
else if (operation.equals(OPERATIONS[1]))
{
new OpCreateInstanceGroup(gceClient).execute();
}
else if (operation.equals(OPERATIONS[2]))
{
new OpDeleteInstanceGroup(gceClient).execute();
}
else if (operation.equals(OPERATIONS[3]))
{
return;
}
System.out.println();
}
catch (final Exception e)
{
System.err.println("Failed to execute operation: " + e.getMessage());
log.error("Failed to execute operation", e);
}
}
}
/**
* Asks the user select an operation.
*
* @return the operation name
*/
private String selectOperation()
{
return ConsoleUiUtils.selectItem("What do you want to do?", Arrays.asList(OPERATION_KEYS), Arrays.asList(OPERATION_DESCRIPTIONS),
Arrays.asList(OPERATIONS));
}
/**
* Runs the application in non-interactive mode.
*
* @param commandLine
* the command-line object with the parameters what to do
* @throws IOException
* if anything goes wrong
*/
void startNonInteractiveMode(final CommandLine commandLine) throws IOException
{
final List args = commandLine.getArgList();
final String command = args.get(0);
final String outputFilePath = commandLine.getOptionValue("o");
final File outputFile = StringUtils.isNotBlank(outputFilePath) ? new File(outputFilePath) : null;
// do the right thing
if (command.equals("list-by-label"))
{
if (args.size() != 3)
{
GceAdminUtils.dieWithMessage("Use 'gce_admin list-by-label '");
}
else
{
final String regionName = args.get(1);
final String nameLabel = args.get(2);
new OpListInstancesByNameLabelNonInteractively(gceClient).execute(regionName, nameLabel, outputFile);
}
}
else if (command.equals("list-by-group"))
{
if (args.size() != 3)
{
GceAdminUtils.dieWithMessage("Use 'gce_admin list-by-group '");
}
else
{
final String regionName = args.get(1);
final String instanceGroupName = args.get(2);
new OpListInstancesByGroupNonInteractively(gceClient).execute(regionName, instanceGroupName, outputFile);
}
}
else if (command.equals("create-group"))
{
if (args.size() != 5)
{
GceAdminUtils.dieWithMessage("Use 'gce_admin create-group '");
}
else
{
final String regionName = args.get(1);
final String instanceGroupName = args.get(2);
final String instanceTemplateName = args.get(3);
final int instanceCount = Integer.parseInt(args.get(4));
new OpCreateInstanceGroupNonInteractively(gceClient).execute(regionName, instanceGroupName, instanceTemplateName,
instanceCount, outputFile);
}
}
else if (command.equals("delete-group"))
{
if (args.size() != 3)
{
GceAdminUtils.dieWithMessage("Use 'gce_admin delete-group '");
}
else
{
final String regionName = args.get(1);
final String instanceGroupName = args.get(2);
new OpDeleteInstanceGroupNonInteractively(gceClient).execute(regionName, instanceGroupName);
}
}
else // unknown command
{
GceAdminUtils.dieWithMessage("Unknown command: " + command);
}
}
}