private void initializeRrdDirs() {
/*
* If the RRD file repository directory does NOT already exist, create
* it.
*/
final File f = new File(WmiDataCollectionConfigFactory.getInstance().getRrdPath());
if (!f.isDirectory()) {
if (!f.mkdirs()) {
throw new RuntimeException(
"Unable to create RRD file repository. Path doesn't already exist and could not make directory: "
+ WmiDataCollectionConfigFactory.getInstance().getRrdPath());
}
}
}
private void initWMICollectionConfig() {
LOG.debug("initialize: Initializing collector: {}", getClass());
try {
WmiDataCollectionConfigFactory.init();
} catch (final MarshalException e) {
LOG.error("initialize: Error marshalling configuration.", e);
throw new UndeclaredThrowableException(e);
} catch (ValidationException e) {
LOG.error("initialize: Error validating configuration.", e);
throw new UndeclaredThrowableException(e);
} catch (FileNotFoundException e) {
LOG.error("initialize: Error locating configuration.", e);
throw new UndeclaredThrowableException(e);
} catch (IOException e) {
LOG.error("initialize: Error reading configuration.", e);
throw new UndeclaredThrowableException(e);
}
}
/** {@inheritDoc} */
@Override
public CollectionSet collect(
final CollectionAgent agent, final EventProxy eproxy, final Map<String, Object> parameters) {
String collectionName =
ParameterMap.getKeyedString(
parameters,
"collection",
ParameterMap.getKeyedString(parameters, "wmi-collection", null));
// Find attributes to collect - check groups in configuration. For each,
// check scheduled nodes to see if that group should be collected
final WmiCollection collection =
WmiDataCollectionConfigFactory.getInstance().getWmiCollection(collectionName);
final WmiAgentState agentState = m_scheduledNodes.get(agent.getNodeId());
// Load the attribute group types.
loadAttributeGroupList(collection);
// Load the attribute types.
loadAttributeTypeList(collection);
// Create a new collection set.
final WmiCollectionSet collectionSet = new WmiCollectionSet();
collectionSet.setCollectionTimestamp(new Date());
final WmiSingleInstanceCollectionResource nodeResource =
new WmiSingleInstanceCollectionResource(agent);
// Iterate through the WMI collection groups.
for (final Wpm wpm : collection.getWpms().getWpm()) {
// A wpm consists of a list of attributes, identified by name
if (agentState.shouldCheckAvailability(wpm.getName(), wpm.getRecheckInterval())) {
if (!isGroupAvailable(agentState, wpm)) {
continue;
}
}
if (agentState.groupIsAvailable(wpm.getName())) {
WmiClient client = null;
// Collect the data
try {
// Tell the agent to connect
agentState.connect(wpm.getWmiNamespace());
// And retrieve the client object for working.
client = (WmiClient) agentState.getWmiClient();
// Retrieve the WbemObjectSet from the class defined on the group.
final OnmsWbemObjectSet wOS = client.performInstanceOf(wpm.getWmiClass());
// If we received a WbemObjectSet result, lets go through it and collect it.
if (wOS != null) {
// Go through each object (class instance) in the object set.
for (int i = 0; i < wOS.count(); i++) {
// Create a new collection resource.
WmiCollectionResource resource = null;
// Fetch our WBEM Object
final OnmsWbemObject obj = wOS.get(i);
// If this is multi-instance, fetch the instance name and store it.
if (wOS.count() > 1) {
// Fetch the value of the key value. e.g. Name.
final OnmsWbemProperty prop = obj.getWmiProperties().getByName(wpm.getKeyvalue());
final Object propVal = prop.getWmiValue();
String instance = null;
if (propVal instanceof String) {
instance = (String) propVal;
} else {
instance = propVal.toString();
}
resource =
new WmiMultiInstanceCollectionResource(agent, instance, wpm.getResourceType());
} else {
resource = nodeResource;
}
for (final Attrib attrib : wpm.getAttrib()) {
final OnmsWbemProperty prop =
obj.getWmiProperties().getByName(attrib.getWmiObject());
final WmiCollectionAttributeType attribType =
m_attribTypeList.get(attrib.getName());
resource.setAttributeValue(attribType, prop.getWmiValue().toString());
}
collectionSet.getCollectionResources().add(resource);
}
}
} catch (final WmiException e) {
LOG.info("unable to collect params for wpm '{}'", wpm.getName(), e);
} finally {
if (client != null) {
try {
client.disconnect();
} catch (final WmiException e) {
LOG.warn("An error occurred disconnecting while collecting from WMI.", e);
}
}
}
}
}
collectionSet.setStatus(ServiceCollector.COLLECTION_SUCCEEDED);
return collectionSet;
}
/** {@inheritDoc} */
@Override
public RrdRepository getRrdRepository(final String collectionName) {
return WmiDataCollectionConfigFactory.getInstance().getRrdRepository(collectionName);
}