hmci/src/main/java/biz/nellemann/hmci/ManagementConsole.java

262 lines
11 KiB
Java

/*
* Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
*
* 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 biz.nellemann.hmci;
import biz.nellemann.hmci.dto.toml.HmcConfiguration;
import biz.nellemann.hmci.dto.xml.Link;
import biz.nellemann.hmci.dto.xml.ManagementConsoleEntry;
import biz.nellemann.hmci.dto.xml.XmlFeed;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.time.Duration;
import java.time.Instant;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
import static java.lang.Thread.sleep;
class ManagementConsole implements Runnable {
private final static Logger log = LoggerFactory.getLogger(ManagementConsole.class);
private final Integer refreshValue;
private final Integer discoverValue;
private final List<ManagedSystem> managedSystems = new ArrayList<>();
private final RestClient restClient;
private final InfluxClient influxClient;
private final AtomicBoolean keepRunning = new AtomicBoolean(true);
protected Integer responseErrors = 0;
private Boolean doEnergy = true;
private final List<String> excludeSystems;
private final List<String> includeSystems;
private final List<String> excludePartitions;
private final List<String> includePartitions;
ManagementConsole(HmcConfiguration configuration, InfluxClient influxClient) {
this.refreshValue = configuration.refresh;
this.discoverValue = configuration.discover;
this.doEnergy = configuration.energy;
this.influxClient = influxClient;
restClient = new RestClient(configuration.url, configuration.username, configuration.password, configuration.trust);
if(configuration.trace != null) {
try {
File traceDir = new File(configuration.trace);
traceDir.mkdirs();
if(traceDir.canWrite()) {
Boolean doTrace = true;
} else {
log.warn("HmcInstance() - can't write to trace dir: " + traceDir.toString());
}
} catch (Exception e) {
log.error("HmcInstance() - trace error: " + e.getMessage());
}
}
this.excludeSystems = configuration.excludeSystems;
this.includeSystems = configuration.includeSystems;
this.excludePartitions = configuration.excludePartitions;
this.includePartitions = configuration.includePartitions;
}
@Override
public void run() {
log.trace("run()");
int executions = 0;
restClient.login();
discover();
do {
Instant instantStart = Instant.now();
try {
refresh();
if (++executions > discoverValue) { // FIXME: Change to time based logic
executions = 0;
discover();
}
} catch (Exception e) {
log.error("run() - fatal error: {}", e.getMessage());
keepRunning.set(false);
throw new RuntimeException(e);
}
Instant instantEnd = Instant.now();
long timeSpend = Duration.between(instantStart, instantEnd).toMillis();
log.trace("run() - duration millis: " + timeSpend);
if(timeSpend < (refreshValue * 1000)) {
try {
long sleepTime = (refreshValue * 1000) - timeSpend;
log.trace("run() - sleeping millis: " + sleepTime);
if(sleepTime > 0) {
//noinspection BusyWait
sleep(sleepTime);
}
} catch (InterruptedException e) {
log.error("run() - sleep interrupted", e);
}
} else {
log.warn("run() - possible slow response from this HMC");
}
} while (keepRunning.get());
// Logout of HMC
restClient.logoff();
}
public void discover() {
try {
String xml = restClient.getRequest("/rest/api/uom/ManagementConsole");
// Do not try to parse empty response
if(xml == null || xml.length() <= 1) {
responseErrors++;
log.warn("discover() - no data.");
return;
}
XmlMapper xmlMapper = new XmlMapper();
XmlFeed xmlFeed = xmlMapper.readValue(xml, XmlFeed.class);
ManagementConsoleEntry entry;
if(xmlFeed.getEntry() == null){
log.warn("discover() - xmlFeed.entry == null");
return;
}
if(xmlFeed.getEntry().getContent().isManagementConsole()) {
entry = xmlFeed.getEntry().getContent().getManagementConsole();
log.info("discover() - {}", entry.getName());
} else {
throw new UnsupportedOperationException("Failed to deserialize ManagementConsole");
}
managedSystems.clear();
for (Link link : entry.getAssociatedManagedSystems()) {
ManagedSystem managedSystem = new ManagedSystem(restClient, link.getHref());
managedSystem.setExcludePartitions(excludePartitions);
managedSystem.setIncludePartitions(includePartitions);
managedSystem.setDoEnergy(doEnergy);
managedSystem.discover();
// Only continue for powered-on operating systems
if(managedSystem.entry != null && Objects.equals(managedSystem.entry.state, "operating")) {
// Check exclude / include
if (!excludeSystems.contains(managedSystem.name) && includeSystems.isEmpty()) {
managedSystems.add(managedSystem);
//log.info("discover() - adding !excluded system: {}", managedSystem.name);
} else if (!includeSystems.isEmpty() && includeSystems.contains(managedSystem.name)) {
managedSystems.add(managedSystem);
//log.info("discover() - adding included system: {}", managedSystem.name);
}
}
}
} catch (Exception e) {
log.warn("discover() - error: {}", e.getMessage());
}
}
void refresh() {
log.debug("refresh()");
managedSystems.forEach( (system) -> {
if(system.entry == null){
log.warn("refresh() - system.entry == null");
return;
}
system.refresh();
influxClient.write(system.getDetails(), system.getTimestamp(),"server_details");
influxClient.write(system.getMemoryMetrics(), system.getTimestamp(),"server_memory");
influxClient.write(system.getProcessorMetrics(), system.getTimestamp(),"server_processor");
influxClient.write(system.getPhysicalProcessorPool(), system.getTimestamp(),"server_physicalProcessorPool");
influxClient.write(system.getSharedProcessorPools(), system.getTimestamp(),"server_sharedProcessorPool");
if(doEnergy) {
system.systemEnergy.refresh();
if(system.systemEnergy.metric != null) {
influxClient.write(system.systemEnergy.getPowerMetrics(), system.getTimestamp(), "server_energy_power");
influxClient.write(system.systemEnergy.getThermalMetrics(), system.getTimestamp(), "server_energy_thermal");
}
}
influxClient.write(system.getVioDetails(), system.getTimestamp(),"vios_details");
influxClient.write(system.getVioProcessorMetrics(), system.getTimestamp(),"vios_processor");
influxClient.write(system.getVioMemoryMetrics(), system.getTimestamp(),"vios_memory");
influxClient.write(system.getVioNetworkLpars(), system.getTimestamp(),"vios_network_lpars");
influxClient.write(system.getVioNetworkVirtualAdapters(), system.getTimestamp(),"vios_network_virtual");
influxClient.write(system.getVioNetworkSharedAdapters(), system.getTimestamp(),"vios_network_shared");
influxClient.write(system.getVioNetworkGenericAdapters(), system.getTimestamp(),"vios_network_generic");
influxClient.write(system.getVioStorageLpars(), system.getTimestamp(),"vios_storage_lpars");
influxClient.write(system.getVioStorageFiberChannelAdapters(), system.getTimestamp(),"vios_storage_FC");
influxClient.write(system.getVioStorageVirtualAdapters(), system.getTimestamp(),"vios_storage_vFC");
influxClient.write(system.getVioStoragePhysicalAdapters(), system.getTimestamp(),"vios_storage_physical");
// Missing: vios_storage_SSP
system.logicalPartitions.forEach( (partition) -> {
partition.refresh();
influxClient.write(partition.getDetails(), partition.getTimestamp(),"lpar_details");
influxClient.write(partition.getMemoryMetrics(), partition.getTimestamp(),"lpar_memory");
influxClient.write(partition.getProcessorMetrics(), partition.getTimestamp(),"lpar_processor");
influxClient.write(partition.getSriovLogicalPorts(), partition.getTimestamp(),"lpar_net_sriov");
influxClient.write(partition.getVirtualEthernetAdapterMetrics(), partition.getTimestamp(),"lpar_net_virtual");
influxClient.write(partition.getVirtualGenericAdapterMetrics(), partition.getTimestamp(),"lpar_storage_virtual");
influxClient.write(partition.getVirtualFibreChannelAdapterMetrics(), partition.getTimestamp(),"lpar_storage_vFC");
});
});
}
/*
private void writeTraceFile(String id, String json) {
String fileName = String.format("%s-%s.json", id, Instant.now().toString());
try {
log.debug("Writing trace file: " + fileName);
File traceFile = new File(traceDir, fileName);
BufferedWriter writer = new BufferedWriter(new FileWriter(traceFile));
writer.write(json);
writer.close();
} catch (IOException e) {
log.warn("writeTraceFile() - " + e.getMessage());
}
}
*/
}