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eu.xenit.alfred.telemetry.solr.monitoring.binder.SolrFTSMetrics Maven / Gradle / Ivy
package eu.xenit.alfred.telemetry.solr.monitoring.binder;
import eu.xenit.alfred.telemetry.solr.util.Util;
import io.micrometer.core.instrument.Gauge;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Tags;
import io.micrometer.core.instrument.binder.MeterBinder;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map.Entry;
import java.util.Set;
import org.alfresco.solr.AlfrescoCoreAdminHandler;
import org.alfresco.solr.tracker.TrackerRegistry;
import org.apache.solr.common.util.NamedList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SolrFTSMetrics implements MeterBinder {
private AlfrescoCoreAdminHandler coreAdminHandler;
private MeterRegistry registry;
private static final Logger logger = LoggerFactory.getLogger(SolrFTSMetrics.class);
public SolrFTSMetrics(AlfrescoCoreAdminHandler coreAdminHandler) {
this.coreAdminHandler = coreAdminHandler;
}
private void registerFTSMetrics() {
logger.info("Registering FTS metrics");
TrackerRegistry trackerRegistry = coreAdminHandler.getTrackerRegistry();
while (trackerRegistry.getCoreNames().size() == 0) {
logger.error("Solr did not start tracking yet, waiting 10sec");
try {
Thread.currentThread().sleep(10_000);
trackerRegistry = coreAdminHandler.getTrackerRegistry();
} catch (InterruptedException e) {
logger.error("Fail to wait 10 sec", e);
}
}
Set coreNames = coreAdminHandler.getTrackerRegistry().getCoreNames();
for (String coreName : coreNames) {
Object server = coreAdminHandler.getInformationServers().get(coreName);
NamedList report = new NamedList();
Method method = null;
try {
Class solrInformationServerClass = Class.forName("org.alfresco.solr.SolrInformationServer");
Class[] partypes = new Class[]{NamedList.class};
if(Util.isVersionLowerThan2()) {
method = solrInformationServerClass.getMethod("addFTSStatusCounts", partypes);
} else {
method = solrInformationServerClass.getMethod("addContentOutdatedAndUpdatedCounts", partypes);
}
} catch (ClassNotFoundException e) {
logger.error("No class found for SolrInformationServer ", e);
} catch (NoSuchMethodException e) {
logger.error("No appropriate method to call on SolrInformationServer object ", e);
}
Object[] arglist = new Object[1];
arglist[0] = report;
try {
method.invoke(server, arglist);
} catch (IllegalAccessException e) {
logger.error("Not allowed to call the FTS method on SolrInformationServer object ", e);
} catch (InvocationTargetException e) {
logger.error("Not allowed to call the FTS method on SolrInformationServer object ", e);
}
// Keys in ASS >= 2.0.0
Tags tags = Tags.of("core", coreName, "state", "InSync");
Gauge.builder("alfresco.fts", server, x -> getValueFromReport(server, "Node count whose content is in sync"))
.tags(tags)
.register(registry);
tags = Tags.of("core", coreName, "state", "ToBeUpdated");
Gauge.builder("alfresco.fts", server, x -> getValueFromReport(server, "Node count whose content needs to be updated"))
.tags(tags)
.register(registry);
// Keys in ASS < 2.0.0
tags = Tags.of("core", coreName, "state", "Clean");
Gauge.builder("alfresco.fts", server, x -> getValueFromReport(server, "Node count with FTSStatus Clean"))
.tags(tags)
.register(registry);
tags = Tags.of("core", coreName, "state", "Dirty");
Gauge.builder("alfresco.fts", server, x -> getValueFromReport(server, "Node count with FTSStatus Dirty"))
.tags(tags)
.register(registry);
tags = Tags.of("core", coreName, "state", "New");
Gauge.builder("alfresco.fts", server, x -> getValueFromReport(server, "Node count with FTSStatus New"))
.tags(tags)
.register(registry);
}
}
private long getValueFromReport(Object server, String key) {
NamedList report = new NamedList();
Method method = null;
try {
Class solrInformationServerClass = Class.forName("org.alfresco.solr.SolrInformationServer");
Class[] partypes = new Class[]{NamedList.class};
if(Util.isVersionLowerThan2()) {
method = solrInformationServerClass.getMethod("addFTSStatusCounts", partypes);
} else {
method = solrInformationServerClass.getMethod("addContentOutdatedAndUpdatedCounts", partypes);
}
} catch (ClassNotFoundException e) {
logger.error("No class found for SolrInformationServer ", e);
} catch (NoSuchMethodException e) {
logger.error("No appropriate method to call on SolrInformationServer object ", e);
}
Object[] arglist = new Object[1];
arglist[0] = report;
try {
method.invoke(server, arglist);
} catch (IllegalAccessException e) {
logger.error("Not allowed to call the FTS method on SolrInformationServer object ", e);
} catch (InvocationTargetException e) {
logger.error("Not allowed to call the FTS method on SolrInformationServer object ", e);
}
for (Entry fts : report) {
if (fts.getKey().equals(key)) {
return Long.parseLong(fts.getValue().toString());
}
}
return -1;
}
@Override
public void bindTo(MeterRegistry registry) {
this.registry = registry;
registerFTSMetrics();
}
}
