/** Constructs a new test instance manager */
public TestInstanceManager() {
final HardwareDescription hd = HardwareDescriptionFactory.construct(1, 1L, 1L);
this.allocatedResources = new ArrayList<AllocatedResource>();
try {
final InstanceConnectionInfo ici =
new InstanceConnectionInfo(Inet4Address.getLocalHost(), 1, 1);
final NetworkTopology nt = new NetworkTopology();
this.testInstance = new TestInstance(ici, nt.getRootNode(), nt, hd, 1);
this.allocatedResources.add(new AllocatedResource(testInstance, new AllocationID()));
} catch (UnknownHostException e) {
throw new RuntimeException(StringUtils.stringifyException(e));
}
}
/**
* Attempts to load the current network topology from the slave file. If locating or reading the
* slave file fails, the method will return an empty network topology.
*
* @return the network topology as read from the slave file
*/
private NetworkTopology loadNetworkTopology() {
// Check if slave file exists
final String configDir = GlobalConfiguration.getString(CONFIG_DIR_KEY, null);
if (configDir == null) {
LOG.info(
"Cannot find configuration directory to load network topology. Using flat topology.");
return NetworkTopology.createEmptyTopology();
}
final File slaveFile = new File(configDir + File.separator + SLAVE_FILE_NAME);
if (!slaveFile.exists()) {
LOG.error("Cannot access slave file to load network topology, using flat topology instead");
return NetworkTopology.createEmptyTopology();
}
try {
return NetworkTopology.fromFile(slaveFile);
} catch (IOException ioe) {
LOG.error("Error while loading the network topology: " + StringUtils.stringifyException(ioe));
}
return NetworkTopology.createEmptyTopology();
}