631 lines
24 KiB
Java
631 lines
24 KiB
Java
package org.gcube.smartgears.handler.resourceregistry.resourcemanager;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.lang.management.OperatingSystemMXBean;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.nio.file.FileStore;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.management.AttributeNotFoundException;
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import javax.management.InstanceNotFoundException;
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import javax.management.MBeanException;
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import javax.management.MBeanServer;
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import javax.management.MalformedObjectNameException;
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import javax.management.ObjectName;
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import javax.management.ReflectionException;
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import org.gcube.informationsystem.model.impl.properties.HeaderImpl;
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import org.gcube.informationsystem.model.reference.entities.Facet;
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import org.gcube.informationsystem.model.reference.entities.Resource;
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import org.gcube.informationsystem.model.reference.properties.Header;
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import org.gcube.informationsystem.model.reference.relations.ConsistsOf;
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import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCache;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.AvailableInAnotherContextException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFoundException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextNotFoundException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource.ResourceNotFoundException;
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import org.gcube.informationsystem.resourceregistry.client.ResourceRegistryClient;
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import org.gcube.informationsystem.resourceregistry.client.ResourceRegistryClientFactory;
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import org.gcube.informationsystem.resourceregistry.publisher.ResourceRegistryPublisher;
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import org.gcube.informationsystem.resourceregistry.publisher.ResourceRegistryPublisherFactory;
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import org.gcube.resourcemanagement.model.impl.entities.facets.CPUFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.EventFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.LocationFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.MemoryFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.NetworkingFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.SimplePropertyFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.SoftwareFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.facets.StateFacetImpl;
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import org.gcube.resourcemanagement.model.impl.entities.resources.HostingNodeImpl;
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import org.gcube.resourcemanagement.model.impl.relations.consistsof.HasPersistentMemoryImpl;
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import org.gcube.resourcemanagement.model.impl.relations.consistsof.HasVolatileMemoryImpl;
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import org.gcube.resourcemanagement.model.impl.relations.consistsof.IsIdentifiedByImpl;
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import org.gcube.resourcemanagement.model.reference.entities.facets.CPUFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.EventFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.LocationFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.MemoryFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.MemoryFacet.MemoryUnit;
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import org.gcube.resourcemanagement.model.reference.entities.facets.NetworkingFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.SimplePropertyFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.SoftwareFacet;
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import org.gcube.resourcemanagement.model.reference.entities.facets.StateFacet;
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import org.gcube.resourcemanagement.model.reference.entities.resources.HostingNode;
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import org.gcube.resourcemanagement.model.reference.relations.consistsof.HasPersistentMemory;
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import org.gcube.resourcemanagement.model.reference.relations.consistsof.HasVolatileMemory;
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import org.gcube.resourcemanagement.model.reference.relations.consistsof.IsIdentifiedBy;
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import org.gcube.smartgears.configuration.container.ContainerConfiguration;
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import org.gcube.smartgears.configuration.container.Site;
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import org.gcube.smartgears.configuration.library.SmartGearsConfiguration;
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import org.gcube.smartgears.context.container.ContainerContext;
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import org.gcube.smartgears.handler.resourceregistry.ContextUtility;
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import org.gcube.smartgears.lifecycle.container.ContainerState;
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import org.gcube.smartgears.provider.ProviderFactory;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class HostingNodeManager {
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private static Logger logger = LoggerFactory.getLogger(HostingNodeManager.class);
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public static final String MEMORY_TYPE = "memoryType";
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public static final String MEMORY_TYPE_RAM = "RAM";
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public static final String MEMORY_TYPE_JVM = "JVM";
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public static final String JVM_MAX_MEMORY = "jvmMaxMemory";
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public static final String MESSAGE = "message";
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private ContainerContext containerContext;
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private ResourceRegistryPublisher resourceRegistryPublisher;
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private HostingNode hostingNode;
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public HostingNodeManager(ContainerContext containerContext) {
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this.containerContext = containerContext;
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this.resourceRegistryPublisher = ResourceRegistryPublisherFactory.create();
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}
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public HostingNode getHostingNode() {
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return hostingNode;
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}
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public void addToContext() throws ResourceNotFoundException, ContextNotFoundException, ResourceRegistryException {
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try {
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resourceRegistryPublisher.addResourceToCurrentContext(hostingNode, false);
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logger.info("{} successfully added to current context ({})", hostingNode, ContextUtility.getCurrentContextName());
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} catch (Exception e) {
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logger.error("Unable to add {} to current context ({})", hostingNode, ContextUtility.getCurrentContextName(), e);
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}
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}
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public void removeFromContext()
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throws ResourceNotFoundException, ContextNotFoundException, ResourceRegistryException {
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try {
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resourceRegistryPublisher.removeResourceFromCurrentContext(hostingNode, false);
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logger.info("{} successfully removed from current context ({})", hostingNode,
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ContextUtility.getCurrentContextName());
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} catch (Exception e) {
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logger.error("Unable to remove {} from current context ({})", hostingNode, ContextUtility.getCurrentContextName(), e);
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}
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}
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public void removeFromContext(UUID contextUUID)
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throws ResourceNotFoundException, ContextNotFoundException, ResourceRegistryException {
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String contextFullName = ContextCache.getInstance().getContextFullNameByUUID(contextUUID);
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try {
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resourceRegistryPublisher.removeResourceFromContext(hostingNode, contextUUID, false);
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logger.info("{} successfully removed from context ({})", hostingNode, contextFullName);
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} catch (Exception e) {
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logger.error("Unable to remove {} from current context ({})", hostingNode, contextFullName, e);
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}
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}
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public HostingNode updateFacets() throws ResourceRegistryException {
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logger.debug("Updating {}", HostingNode.NAME);
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StateFacet stateFacet = null;
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MemoryFacet ramFacet = null;
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MemoryFacet jvmMemoryFacet = null;
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MemoryFacet disk = null;
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List<ConsistsOf<? extends Resource, ? extends Facet>> consistsOfToRemove = new ArrayList<>();
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List<ConsistsOf<? extends Resource, ? extends Facet>> consistsOfList = hostingNode.getConsistsOf();
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for (ConsistsOf<? extends Resource, ? extends Facet> c : consistsOfList) {
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if (c.getTarget() instanceof StateFacet) {
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stateFacet = (StateFacet) c.getTarget();
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stateFacet = getStateFacet(stateFacet);
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continue;
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}
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if (c instanceof HasVolatileMemory) {
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String memoryType = (String) c.getAdditionalProperty(MEMORY_TYPE);
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if (memoryType.compareTo(MEMORY_TYPE_RAM) == 0) {
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ramFacet = (MemoryFacet) c.getTarget();
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ramFacet = getRamInfo(ramFacet);
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continue;
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}
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if (memoryType.compareTo(MEMORY_TYPE_JVM) == 0) {
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jvmMemoryFacet = (MemoryFacet) c.getTarget();
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jvmMemoryFacet = getJVMMemoryInfo(jvmMemoryFacet);
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continue;
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}
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}
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if (c instanceof HasPersistentMemory) {
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disk = (MemoryFacet) c.getTarget();
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disk = getDiskSpace(disk);
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continue;
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}
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consistsOfToRemove.add(c);
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}
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// Resource Update has effect only on specified facet.
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// Removing the one that have not to be changed
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consistsOfList.removeAll(consistsOfToRemove);
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try {
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hostingNode = resourceRegistryPublisher.updateResource(hostingNode);
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} catch (NotFoundException e) {
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/* Update failed trying to recreate it */
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// ReAdding the removed relations to recreate all
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consistsOfList.addAll(consistsOfToRemove);
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hostingNode = resourceRegistryPublisher.createResource(hostingNode);
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} catch (AvailableInAnotherContextException e) {
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addToContext();
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hostingNode = resourceRegistryPublisher.updateResource(hostingNode);
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} catch (ResourceRegistryException e) {
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logger.error("error trying to publish hosting node", e);
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}
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return hostingNode;
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}
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public HostingNode updateStatus() throws ResourceRegistryException {
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ContainerState containerState = containerContext.lifecycle().state();
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logger.debug("Setting {} {}", HostingNode.NAME, containerState.remoteForm().toLowerCase());
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EventFacet eventFacet = null;
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StateFacet stateFacet = null;
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List<ConsistsOf<? extends Resource, ? extends Facet>> consistsOfToRemove = new ArrayList<>();
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List<ConsistsOf<? extends Resource, ? extends Facet>> consistsOfList = hostingNode.getConsistsOf();
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for (ConsistsOf<? extends Resource, ? extends Facet> c : consistsOfList) {
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if (c.getTarget() instanceof StateFacet) {
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stateFacet = (StateFacet) c.getTarget();
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stateFacet = getStateFacet(stateFacet);
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continue;
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}
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if(c.getTarget() instanceof EventFacet) {
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eventFacet = (EventFacet) c.getTarget();
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String value = eventFacet.getEvent();
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if(value.compareTo(containerState.remoteForm().toLowerCase())==0) {
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// This facet must be updated (the date must be updated) so it must not be removed from udpate
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eventFacet.setDate(Calendar.getInstance().getTime());
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continue;
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}else {
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// This is not the event facet to be updated
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// Setting the variable to null so it will be created if the event does not already exists.
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eventFacet = null;
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}
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}
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consistsOfToRemove.add(c);
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}
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// Resource Update has effect only on specified facet.
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// Removing the one that have not to be changed
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consistsOfList.removeAll(consistsOfToRemove);
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if(eventFacet == null) {
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eventFacet = getEventFacet();
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hostingNode.addFacet(eventFacet);
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}
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try {
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hostingNode = resourceRegistryPublisher.updateResource(hostingNode);
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} catch (NotFoundException e) {
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/* Update failed trying to recreate it */
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// ReAdding the removed relations to recreate all
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consistsOfList.addAll(consistsOfToRemove);
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hostingNode = resourceRegistryPublisher.createResource(hostingNode);
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} catch (AvailableInAnotherContextException e) {
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addToContext();
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hostingNode = resourceRegistryPublisher.updateResource(hostingNode);
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} catch (ResourceRegistryException e) {
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logger.error("error trying to publish hosting node", e);
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}
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return hostingNode;
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}
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private HostingNode instantiateHostingNode() {
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logger.info("Creating {}", HostingNode.NAME);
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ContainerConfiguration containerConfiguration = containerContext.configuration();
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String id = containerContext.id();
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UUID uuid = UUID.fromString(id);
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HostingNode hostingNode = new HostingNodeImpl();
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Header header = new HeaderImpl(uuid);
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hostingNode.setHeader(header);
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NetworkingFacet networkingFacet = new NetworkingFacetImpl();
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try {
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networkingFacet.setIPAddress(InetAddress.getLocalHost().getHostAddress());
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} catch (UnknownHostException e) {
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logger.warn("unable to detect the IP address of the host");
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}
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String hostname = containerConfiguration.hostname();
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networkingFacet.setHostName(hostname);
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networkingFacet.setDomainName(getDomain(hostname));
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networkingFacet.setAdditionalProperty("Port", containerConfiguration.port());
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IsIdentifiedBy<HostingNode, NetworkingFacet> isIdentifiedBy = new IsIdentifiedByImpl<>(hostingNode,
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networkingFacet, null);
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hostingNode.addFacet(isIdentifiedBy);
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List<CPUFacet> cpuFacets = getCPUFacets();
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for (CPUFacet cpuFacet : cpuFacets) {
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hostingNode.addFacet(cpuFacet);
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}
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SoftwareFacet osSoftwareFacet = new SoftwareFacetImpl();
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OperatingSystemMXBean mxbean = ManagementFactory.getOperatingSystemMXBean();
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osSoftwareFacet.setGroup(mxbean.getName()); // softwareFacet.setGroup(System.getProperty("os.name"));
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osSoftwareFacet.setName(mxbean.getArch()); // softwareFacet.setName(System.getProperty("os.arch"));
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osSoftwareFacet.setVersion(mxbean.getVersion()); // softwareFacet.setName(System.getProperty("os.version"));
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hostingNode.addFacet(osSoftwareFacet);
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SmartGearsConfiguration config = ProviderFactory.provider().smartgearsConfiguration();
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SoftwareFacet smartgearsSoftwareFacet = new SoftwareFacetImpl();
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smartgearsSoftwareFacet.setGroup("gCube");
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smartgearsSoftwareFacet.setName("SmartGears");
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smartgearsSoftwareFacet.setVersion(config.version());
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hostingNode.addFacet(smartgearsSoftwareFacet);
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SoftwareFacet smartgearsDistributionSoftwareFacet = new SoftwareFacetImpl();
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smartgearsDistributionSoftwareFacet.setGroup("gCube");
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smartgearsDistributionSoftwareFacet.setName("SmartGearsDistribution");
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String smartgearsDistributionVersion = containerConfiguration.properties().get("SmartGearsDistribution");
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smartgearsDistributionSoftwareFacet.setVersion(smartgearsDistributionVersion);
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smartgearsDistributionSoftwareFacet.setAdditionalProperty("publication-frequency",
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String.valueOf(containerConfiguration.publicationFrequency()));
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hostingNode.addFacet(smartgearsDistributionSoftwareFacet);
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SoftwareFacet javaSoftwareFacet = new SoftwareFacetImpl();
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javaSoftwareFacet.setGroup(System.getProperty("java.vendor"));
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javaSoftwareFacet.setName("Java");
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javaSoftwareFacet.setVersion(System.getProperty("java.version"));
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javaSoftwareFacet.setAdditionalProperty("java.vendor.url", System.getProperty("java.vendor.url"));
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javaSoftwareFacet.setAdditionalProperty("java.specification.version", System.getProperty("java.specification.version"));
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hostingNode.addFacet(javaSoftwareFacet);
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SimplePropertyFacet simplePropertyFacet = addEnvironmentVariables(containerConfiguration);
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hostingNode.addFacet(simplePropertyFacet);
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StateFacet stateFacet = getStateFacet(null);
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hostingNode.addFacet(stateFacet);
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EventFacet eventFacet = getEventFacet();
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hostingNode.addFacet(eventFacet);
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MemoryFacet ramFacet = getRamInfo(null);
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HasVolatileMemory<HostingNode, MemoryFacet> hasVolatileRAMMemory = new HasVolatileMemoryImpl<HostingNode, MemoryFacet>(
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hostingNode, ramFacet, null);
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hasVolatileRAMMemory.setAdditionalProperty(MEMORY_TYPE, MEMORY_TYPE_RAM);
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hostingNode.addFacet(hasVolatileRAMMemory);
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MemoryFacet jvmMemoryFacet = getJVMMemoryInfo(null);
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HasVolatileMemory<HostingNode, MemoryFacet> hasVolatileJVMMemory = new HasVolatileMemoryImpl<HostingNode, MemoryFacet>(
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hostingNode, jvmMemoryFacet, null);
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hasVolatileJVMMemory.setAdditionalProperty(MEMORY_TYPE, MEMORY_TYPE_JVM);
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hostingNode.addFacet(hasVolatileJVMMemory);
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MemoryFacet diskFacet = getDiskSpace(null);
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HasPersistentMemory<HostingNode, MemoryFacet> hasPersistentMemory = new HasPersistentMemoryImpl<HostingNode, MemoryFacet>(
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hostingNode, diskFacet, null);
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hostingNode.addFacet(hasPersistentMemory);
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LocationFacet locationFacet = new LocationFacetImpl();
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Site site = containerConfiguration.site();
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locationFacet.setCountry(site.country());
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locationFacet.setLocation(site.location());
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locationFacet.setLatitude(site.latitude());
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locationFacet.setLongitude(site.longitude());
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hostingNode.addFacet(locationFacet);
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logger.info("hostingNode instanciated");
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return hostingNode;
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}
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public HostingNode createHostingNode() throws ResourceRegistryException {
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ResourceRegistryClient resourceRegistryClient = ResourceRegistryClientFactory.create();
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UUID uuid = UUID.fromString(containerContext.id());
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try {
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hostingNode = resourceRegistryClient.getInstance(HostingNode.class, uuid);
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hostingNode = updateFacets();
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} catch (NotFoundException e) {
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hostingNode = instantiateHostingNode();
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hostingNode = resourceRegistryPublisher.createResource(hostingNode);
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} catch (AvailableInAnotherContextException e) {
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addToContext();
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hostingNode = resourceRegistryClient.getInstance(HostingNode.class, uuid);
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}
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return hostingNode;
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}
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private StateFacet getStateFacet(StateFacet stateFacet) {
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if (stateFacet == null) {
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stateFacet = new StateFacetImpl();
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}
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String state = containerContext.lifecycle().state().remoteForm().toLowerCase();
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stateFacet.setValue(state);
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return stateFacet;
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}
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private EventFacet getEventFacet() {
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EventFacet eventFacet = new EventFacetImpl();
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String state = containerContext.lifecycle().state().remoteForm().toLowerCase();
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eventFacet.setDate(Calendar.getInstance().getTime());
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eventFacet.setEvent(state);
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return eventFacet;
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}
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private MemoryFacet getDiskSpace(MemoryFacet memoryFacet) {
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if (memoryFacet == null) {
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memoryFacet = new MemoryFacetImpl();
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}
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long free = 0;
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long total = 0;
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try {
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FileStore fileStore = Files
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.getFileStore(Paths.get(containerContext.configuration().persistence().location()));
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free = fileStore.getUsableSpace() / 1048576; // 1048576 = 1024*1024
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// user to convert
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// bytes in MByte
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total = fileStore.getTotalSpace() / 1048576; // 1048576 = 1024*1024
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// user to convert
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// bytes in MByte
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} catch (IOException ioe) {
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logger.warn("Unable to detect disk space information", ioe);
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memoryFacet.setAdditionalProperty(MESSAGE, "Unable to detect disk space information.");
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}
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memoryFacet.setUnit(MemoryUnit.MB);
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memoryFacet.setSize(total);
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memoryFacet.setUsed(total - free);
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return memoryFacet;
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}
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private static final long BYTE_TO_MB = 1024 * 1024;
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private MemoryFacet getRamInfo(MemoryFacet memoryFacet) {
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if (memoryFacet == null) {
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memoryFacet = new MemoryFacetImpl();
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}
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/*
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* OperatingSystemMXBean mxbean = ManagementFactory.getOperatingSystemMXBean();
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* com.sun.management.OperatingSystemMXBean sunmxbean =
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* (com.sun.management.OperatingSystemMXBean) mxbean; long freeMemory =
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* sunmxbean.getFreePhysicalMemorySize() / 1048576; // in MB long totalMemory =
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* sunmxbean.getTotalPhysicalMemorySize() / 1048576; // in MB
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*/
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MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
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long freeMemory;
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try {
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freeMemory = Long.parseLong(mBeanServer
|
|
.getAttribute(new ObjectName("java.lang", "type", "OperatingSystem"), "FreePhysicalMemorySize")
|
|
.toString()) / BYTE_TO_MB;
|
|
} catch (NumberFormatException | InstanceNotFoundException | AttributeNotFoundException
|
|
| MalformedObjectNameException | ReflectionException | MBeanException e) {
|
|
logger.warn(
|
|
"Unable to get free memory from Operating System. Going to get JVM Memory. Better than nothing");
|
|
long allocatedMemory = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
|
|
freeMemory = Runtime.getRuntime().maxMemory() - allocatedMemory;
|
|
}
|
|
long totalMemory;
|
|
try {
|
|
totalMemory = Long.parseLong(mBeanServer
|
|
.getAttribute(new ObjectName("java.lang", "type", "OperatingSystem"), "TotalPhysicalMemorySize")
|
|
.toString()) / BYTE_TO_MB;
|
|
} catch (NumberFormatException | InstanceNotFoundException | AttributeNotFoundException
|
|
| MalformedObjectNameException | ReflectionException | MBeanException e) {
|
|
logger.warn("Unable to total memory from Operating System. Going to get JVM Memory. Better than nothing");
|
|
totalMemory = Runtime.getRuntime().maxMemory();
|
|
}
|
|
|
|
memoryFacet.setUnit(MemoryUnit.MB);
|
|
memoryFacet.setSize(totalMemory);
|
|
memoryFacet.setUsed(totalMemory - freeMemory);
|
|
|
|
return memoryFacet;
|
|
}
|
|
|
|
private MemoryFacet getJVMMemoryInfo(MemoryFacet memoryFacet) {
|
|
if (memoryFacet == null) {
|
|
memoryFacet = new MemoryFacetImpl();
|
|
}
|
|
|
|
/* 1048576 = 1024*1024 used to convert bytes in MByte */
|
|
long jvmFreeMemory = Runtime.getRuntime().freeMemory() / 1048576;
|
|
long jvmTotalMemory = Runtime.getRuntime().totalMemory() / 1048576;
|
|
long jvmMaxMemory = Runtime.getRuntime().maxMemory() / 1048576;
|
|
|
|
memoryFacet.setUnit(MemoryUnit.MB);
|
|
memoryFacet.setSize(jvmTotalMemory);
|
|
memoryFacet.setUsed(jvmTotalMemory - jvmFreeMemory);
|
|
memoryFacet.setAdditionalProperty(JVM_MAX_MEMORY, jvmMaxMemory);
|
|
|
|
return memoryFacet;
|
|
}
|
|
|
|
private static String sanitizeKey(String key) {
|
|
return key.trim().replace(" ", "_");
|
|
}
|
|
|
|
private SimplePropertyFacet addEnvironmentVariables(ContainerConfiguration containerConfiguration) {
|
|
|
|
Map<String, String> map = new HashMap<String, String>();
|
|
map.putAll(containerConfiguration.properties());
|
|
map.putAll(System.getenv());
|
|
|
|
SimplePropertyFacet simplePropertyFacet = new SimplePropertyFacetImpl();
|
|
simplePropertyFacet.setName("ENVIRONMENT_VARIABLES");
|
|
simplePropertyFacet.setValue("");
|
|
|
|
for (Map.Entry<String, String> entry : map.entrySet()) {
|
|
String varname = entry.getKey();
|
|
if ((varname.compareToIgnoreCase("CLASSPATH") == 0) || (varname.compareToIgnoreCase("PATH") == 0)
|
|
|| (varname.contains("SSH")) || (varname.contains("MAIL"))
|
|
|| (varname.compareToIgnoreCase("LS_COLORS") == 0)) {
|
|
continue;
|
|
}
|
|
simplePropertyFacet.setAdditionalProperty(sanitizeKey(entry.getKey()), entry.getValue());
|
|
}
|
|
|
|
return simplePropertyFacet;
|
|
}
|
|
|
|
private static String getDomain(String hostname) {
|
|
try {
|
|
Pattern pattern = Pattern.compile("([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})");
|
|
Matcher regexMatcher = pattern.matcher(hostname);
|
|
if (regexMatcher.matches()) { // it's an IP address, nothing to trim
|
|
return hostname;
|
|
}
|
|
return hostname.substring(hostname.indexOf(".") + 1);
|
|
} catch (Exception e) {
|
|
logger.warn("Error while getting domain from hostname");
|
|
return hostname;
|
|
}
|
|
}
|
|
|
|
public static final String CPU_PROCESSOR = "processor";
|
|
public static final String CPU_VENDOR_ID = "vendor_id";
|
|
public static final String CPU_MODEL_NAME = "model name";
|
|
public static final String CPU_CPU_MHZ = "cpu MHz";
|
|
public static final String CPU_MODEL_T = "model\t";
|
|
public static final String CPU_MODEL_B = "model\b";
|
|
public static final String CPU_MODEL_NUMBER = "modelNumber";
|
|
|
|
public static List<CPUFacet> getCPUFacets() {
|
|
|
|
List<CPUFacet> cpuFacets = new ArrayList<>();
|
|
|
|
File file = new File("/proc/cpuinfo");
|
|
|
|
if (!file.exists()) {
|
|
logger.warn("cannot acquire CPU info (no /proc/cpuinfo)");
|
|
return cpuFacets;
|
|
}
|
|
|
|
BufferedReader input = null;
|
|
|
|
try {
|
|
input = new BufferedReader(new FileReader(file));
|
|
|
|
String line = null;
|
|
|
|
CPUFacet cpuFacet = null;
|
|
|
|
while ((line = input.readLine()) != null) {
|
|
|
|
if ((line.startsWith(CPU_PROCESSOR))) { // add the current
|
|
// processor to the map
|
|
cpuFacet = new CPUFacetImpl();
|
|
cpuFacets.add(cpuFacet);
|
|
}
|
|
|
|
try {
|
|
if (line.contains(CPU_VENDOR_ID)) {
|
|
cpuFacet.setVendor(line.split(":")[1].trim());
|
|
continue;
|
|
}
|
|
} catch (Exception e) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
if (line.contains(CPU_MODEL_NAME)) {
|
|
cpuFacet.setModel(line.split(":")[1].trim());
|
|
continue;
|
|
}
|
|
} catch (Exception e) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
if (line.contains(CPU_CPU_MHZ)) {
|
|
cpuFacet.setClockSpeed(line.split(":")[1].trim());
|
|
continue;
|
|
}
|
|
} catch (Exception e) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
if ((line.contains(CPU_MODEL_T)) || (line.contains(CPU_MODEL_B))) {
|
|
cpuFacet.setAdditionalProperty(CPU_MODEL_NUMBER, line.split(":")[1].trim());
|
|
continue;
|
|
}
|
|
} catch (Exception e) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
String[] nameValue = line.split(":");
|
|
cpuFacet.setAdditionalProperty(sanitizeKey(nameValue[0]), line.split(":")[1].trim());
|
|
} catch (Exception e) {
|
|
|
|
}
|
|
|
|
}
|
|
} catch (Exception e) {
|
|
logger.warn("unable to acquire CPU info", e);
|
|
} finally {
|
|
if (input != null) {
|
|
try {
|
|
input.close();
|
|
} catch (IOException e) {
|
|
logger.warn("unable to close stream", e);
|
|
}
|
|
}
|
|
}
|
|
return cpuFacets;
|
|
}
|
|
|
|
public Set<UUID> getContextsUUID() throws Exception {
|
|
return resourceRegistryPublisher.getResourceContexts(hostingNode);
|
|
}
|
|
|
|
}
|