202 lines
6.9 KiB
Java
202 lines
6.9 KiB
Java
/*
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* Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package biz.nellemann.hmci;
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import java.io.IOException;
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import static java.lang.Thread.sleep;
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import java.time.Duration;
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import java.time.Instant;
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import java.time.temporal.ChronoUnit;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import java.util.concurrent.atomic.AtomicBoolean;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.dataformat.xml.XmlMapper;
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import biz.nellemann.hmci.dto.toml.HmcConfiguration;
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import biz.nellemann.hmci.dto.xml.Link;
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import biz.nellemann.hmci.dto.xml.ManagementConsoleEntry;
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import biz.nellemann.hmci.dto.xml.XmlFeed;
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class ManagementConsole implements Runnable {
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private final static Logger log = LoggerFactory.getLogger(ManagementConsole.class);
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private final Integer refreshValue;
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private final Integer discoverValue;
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private final List<ManagedSystem> managedSystems = new ArrayList<>();
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private final RestClient restClient;
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private final InfluxClient influxClient;
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private final AtomicBoolean keepRunning = new AtomicBoolean(true);
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protected Integer responseErrors = 0;
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private Boolean doEnergy = true;
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private final List<String> excludeSystems;
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private final List<String> includeSystems;
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private final List<String> excludePartitions;
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private final List<String> includePartitions;
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ManagementConsole(HmcConfiguration configuration, InfluxClient influxClient) {
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this.refreshValue = configuration.refresh;
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this.discoverValue = configuration.discover;
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this.doEnergy = configuration.energy;
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this.influxClient = influxClient;
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restClient = new RestClient(configuration.url, configuration.username, configuration.password, configuration.trust);
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this.excludeSystems = configuration.excludeSystems;
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this.includeSystems = configuration.includeSystems;
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this.excludePartitions = configuration.excludePartitions;
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this.includePartitions = configuration.includePartitions;
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}
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@Override
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public void run() {
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log.trace("run()");
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Instant lastDiscover = Instant.now();
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restClient.login();
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discover();
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do {
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Instant instantStart = Instant.now();
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try {
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refresh();
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if(instantStart.isAfter(lastDiscover.plus(discoverValue, ChronoUnit.MINUTES))) {
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lastDiscover = instantStart;
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discover();
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}
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} catch (Exception e) {
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log.error("run() - fatal error: {}", e.getMessage());
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keepRunning.set(false);
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throw new RuntimeException(e);
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}
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Instant instantEnd = Instant.now();
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long timeSpend = Duration.between(instantStart, instantEnd).toMillis();
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log.trace("run() - duration millis: " + timeSpend);
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if(timeSpend < (refreshValue * 1000)) {
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try {
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long sleepTime = (refreshValue * 1000) - timeSpend;
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log.trace("run() - sleeping millis: " + sleepTime);
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if(sleepTime > 0) {
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//noinspection BusyWait
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sleep(sleepTime);
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}
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} catch (InterruptedException e) {
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log.error("run() - sleep interrupted", e);
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}
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} else {
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log.warn("run() - possible slow response from this HMC");
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}
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} while (keepRunning.get());
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// Logout of HMC
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restClient.logoff();
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}
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public void discover() {
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try {
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String xml = restClient.getRequest("/rest/api/uom/ManagementConsole");
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// Do not try to parse empty response
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if(xml == null || xml.length() <= 1) {
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responseErrors++;
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log.warn("discover() - no data.");
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return;
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}
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XmlMapper xmlMapper = new XmlMapper();
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XmlFeed xmlFeed = xmlMapper.readValue(xml, XmlFeed.class);
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ManagementConsoleEntry entry;
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if(xmlFeed.getEntry() == null){
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log.warn("discover() - xmlFeed.entry == null");
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return;
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}
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if(xmlFeed.getEntry().getContent().isManagementConsole()) {
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entry = xmlFeed.getEntry().getContent().getManagementConsole();
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//log.info("discover() - {}", entry.getName());
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} else {
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throw new UnsupportedOperationException("Failed to deserialize ManagementConsole");
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}
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managedSystems.clear();
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for (Link link : entry.getAssociatedManagedSystems()) {
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ManagedSystem managedSystem = new ManagedSystem(restClient, influxClient, link.getHref());
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managedSystem.setExcludePartitions(excludePartitions);
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managedSystem.setIncludePartitions(includePartitions);
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managedSystem.discover();
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// Only continue for powered-on operating systems
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if(managedSystem.entry != null && Objects.equals(managedSystem.entry.state, "operating")) {
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if(doEnergy) {
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managedSystem.getPcmPreferences();
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managedSystem.setDoEnergy(doEnergy);
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}
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// Check exclude / include
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if (!excludeSystems.contains(managedSystem.name) && includeSystems.isEmpty()) {
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managedSystems.add(managedSystem);
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//log.info("discover() - adding !excluded system: {}", managedSystem.name);
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} else if (!includeSystems.isEmpty() && includeSystems.contains(managedSystem.name)) {
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managedSystems.add(managedSystem);
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//log.info("discover() - adding included system: {}", managedSystem.name);
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}
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}
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}
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} catch (IOException e) {
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log.warn("discover() - error: {}", e.getMessage());
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}
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}
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void refresh() {
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log.debug("refresh()");
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managedSystems.forEach( (system) -> {
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if(system.entry == null){
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log.warn("refresh() - no data.");
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return;
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}
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system.refresh();
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system.process();
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});
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}
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}
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