Commit 511c8867 by Sarath Subramanian Committed by Madhan Neethiraj

ATLAS-1463: option to exclude specific entity attributes in audit records

parent 75bcccd1
......@@ -21,20 +21,32 @@ package org.apache.atlas.repository.audit;
import com.google.inject.Inject;
import org.apache.atlas.AtlasException;
import org.apache.atlas.EntityAuditEvent;
import org.apache.atlas.EntityAuditEvent.EntityAuditAction;
import org.apache.atlas.RequestContext;
import org.apache.atlas.listener.EntityChangeListener;
import org.apache.atlas.typesystem.IReferenceableInstance;
import org.apache.atlas.typesystem.IStruct;
import org.apache.atlas.typesystem.ITypedReferenceableInstance;
import org.apache.atlas.typesystem.json.InstanceSerialization;
import org.apache.atlas.typesystem.types.AttributeInfo;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Listener on entity create/update/delete, tag add/delete. Adds the corresponding audit event to the audit repository.
*/
public class EntityAuditListener implements EntityChangeListener {
private static final Logger LOG = LoggerFactory.getLogger(EntityAuditListener.class);
private EntityAuditRepository auditRepository;
@Inject
......@@ -46,44 +58,41 @@ public class EntityAuditListener implements EntityChangeListener {
public void onEntitiesAdded(Collection<ITypedReferenceableInstance> entities) throws AtlasException {
List<EntityAuditEvent> events = new ArrayList<>();
long currentTime = RequestContext.get().getRequestTime();
for (ITypedReferenceableInstance entity : entities) {
EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditEvent.EntityAuditAction.ENTITY_CREATE,
"Created: " + InstanceSerialization.toJson(entity, true));
EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditAction.ENTITY_CREATE);
events.add(event);
}
auditRepository.putEvents(events);
}
private EntityAuditEvent createEvent(ITypedReferenceableInstance entity, long ts,
EntityAuditEvent.EntityAuditAction action, String details)
throws AtlasException {
return new EntityAuditEvent(entity.getId()._getId(), ts, RequestContext.get().getUser(), action, details, entity);
auditRepository.putEvents(events);
}
@Override
public void onEntitiesUpdated(Collection<ITypedReferenceableInstance> entities) throws AtlasException {
List<EntityAuditEvent> events = new ArrayList<>();
long currentTime = RequestContext.get().getRequestTime();
for (ITypedReferenceableInstance entity : entities) {
EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditEvent.EntityAuditAction.ENTITY_UPDATE,
"Updated: " + InstanceSerialization.toJson(entity, true));
EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditAction.ENTITY_UPDATE);
events.add(event);
}
auditRepository.putEvents(events);
}
@Override
public void onTraitAdded(ITypedReferenceableInstance entity, IStruct trait) throws AtlasException {
EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(),
EntityAuditEvent.EntityAuditAction.TAG_ADD,
"Added trait: " + InstanceSerialization.toJson(trait, true));
EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(), EntityAuditAction.TAG_ADD,
"Added trait: " + InstanceSerialization.toJson(trait, true));
auditRepository.putEvents(event);
}
@Override
public void onTraitDeleted(ITypedReferenceableInstance entity, String traitName) throws AtlasException {
EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(),
EntityAuditEvent.EntityAuditAction.TAG_DELETE, "Deleted trait: " + traitName);
EntityAuditEvent event = createEvent(entity, RequestContext.get().getRequestTime(), EntityAuditAction.TAG_DELETE,
"Deleted trait: " + traitName);
auditRepository.putEvents(event);
}
......@@ -91,11 +100,190 @@ public class EntityAuditListener implements EntityChangeListener {
public void onEntitiesDeleted(Collection<ITypedReferenceableInstance> entities) throws AtlasException {
List<EntityAuditEvent> events = new ArrayList<>();
long currentTime = RequestContext.get().getRequestTime();
for (ITypedReferenceableInstance entity : entities) {
EntityAuditEvent event = createEvent(entity, currentTime,
EntityAuditEvent.EntityAuditAction.ENTITY_DELETE, "Deleted entity");
EntityAuditEvent event = createEvent(entity, currentTime, EntityAuditAction.ENTITY_DELETE, "Deleted entity");
events.add(event);
}
auditRepository.putEvents(events);
}
private EntityAuditEvent createEvent(ITypedReferenceableInstance entity, long ts, EntityAuditAction action)
throws AtlasException {
String detail = getAuditEventDetail(entity, action);
return createEvent(entity, ts, action, detail);
}
private EntityAuditEvent createEvent(ITypedReferenceableInstance entity, long ts, EntityAuditAction action, String details)
throws AtlasException {
return new EntityAuditEvent(entity.getId()._getId(), ts, RequestContext.get().getUser(), action, details, entity);
}
private String getAuditEventDetail(ITypedReferenceableInstance entity, EntityAuditAction action) throws AtlasException {
Map<String, Object> prunedAttributes = pruneEntityAttributesForAudit(entity);
String auditPrefix = getAuditPrefix(action);
String auditString = auditPrefix + InstanceSerialization.toJson(entity, true);
byte[] auditBytes = auditString.getBytes(StandardCharsets.UTF_8);
long auditSize = auditBytes != null ? auditBytes.length : 0;
long auditMaxSize = auditRepository.repositoryMaxSize();
if (auditMaxSize >= 0 && auditSize > auditMaxSize) { // don't store attributes in audit
LOG.warn("audit record too long: entityType={}, guid={}, size={}; maxSize={}. entity attribute values not stored in audit",
entity.getTypeName(), entity.getId()._getId(), auditSize, auditMaxSize);
Map<String, Object> attrValues = entity.getValuesMap();
clearAttributeValues(entity);
auditString = auditPrefix + InstanceSerialization.toJson(entity, true);
addAttributeValues(entity, attrValues);
}
restoreEntityAttributes(entity, prunedAttributes);
return auditString;
}
private void clearAttributeValues(IReferenceableInstance entity) throws AtlasException {
Map<String, Object> attributesMap = entity.getValuesMap();
if (MapUtils.isNotEmpty(attributesMap)) {
for (String attribute : attributesMap.keySet()) {
entity.setNull(attribute);
}
}
}
private void addAttributeValues(ITypedReferenceableInstance entity, Map<String, Object> attributesMap) throws AtlasException {
if (MapUtils.isNotEmpty(attributesMap)) {
for (String attr : attributesMap.keySet()) {
entity.set(attr, attributesMap.get(attr));
}
}
}
private Map<String, Object> pruneEntityAttributesForAudit(ITypedReferenceableInstance entity) throws AtlasException {
Map<String, Object> ret = null;
Map<String, Object> entityAttributes = entity.getValuesMap();
List<String> excludeAttributes = auditRepository.getAuditExcludeAttributes(entity.getTypeName());
if (CollectionUtils.isNotEmpty(excludeAttributes) && MapUtils.isNotEmpty(entityAttributes)) {
Map<String, AttributeInfo> attributeInfoMap = entity.fieldMapping().fields;
for (String attrName : entityAttributes.keySet()) {
Object attrValue = entityAttributes.get(attrName);
AttributeInfo attrInfo = attributeInfoMap.get(attrName);
if (excludeAttributes.contains(attrName)) {
if (ret == null) {
ret = new HashMap<>();
}
ret.put(attrName, attrValue);
entity.setNull(attrName);
} else if (attrInfo.isComposite) {
if (attrValue instanceof Collection) {
for (Object attribute : (Collection) attrValue) {
if (attribute instanceof ITypedReferenceableInstance) {
ITypedReferenceableInstance attrInstance = (ITypedReferenceableInstance) attribute;
Map<String, Object> prunedAttrs = pruneEntityAttributesForAudit(attrInstance);
if (MapUtils.isNotEmpty(prunedAttrs)) {
if (ret == null) {
ret = new HashMap<>();
}
ret.put(attrInstance.getId()._getId(), prunedAttrs);
}
}
}
} else if (attrValue instanceof ITypedReferenceableInstance) {
ITypedReferenceableInstance attrInstance = (ITypedReferenceableInstance) attrValue;
Map<String, Object> prunedAttrs = pruneEntityAttributesForAudit(attrInstance);
if (MapUtils.isNotEmpty(prunedAttrs)) {
if (ret == null) {
ret = new HashMap<>();
}
ret.put(attrInstance.getId()._getId(), prunedAttrs);
}
}
}
}
}
return ret;
}
private void restoreEntityAttributes(ITypedReferenceableInstance entity, Map<String, Object> prunedAttributes) throws AtlasException {
if (MapUtils.isEmpty(prunedAttributes)) {
return;
}
Map<String, Object> entityAttributes = entity.getValuesMap();
if (MapUtils.isNotEmpty(entityAttributes)) {
Map<String, AttributeInfo> attributeInfoMap = entity.fieldMapping().fields;
for (String attrName : entityAttributes.keySet()) {
Object attrValue = entityAttributes.get(attrName);
AttributeInfo attrInfo = attributeInfoMap.get(attrName);
if (prunedAttributes.containsKey(attrName)) {
entity.set(attrName, prunedAttributes.get(attrName));
} else if (attrInfo.isComposite) {
if (attrValue instanceof Collection) {
for (Object attributeEntity : (Collection) attrValue) {
if (attributeEntity instanceof ITypedReferenceableInstance) {
ITypedReferenceableInstance attrInstance = (ITypedReferenceableInstance) attributeEntity;
Object obj = prunedAttributes.get(attrInstance.getId()._getId());
if (obj instanceof Map) {
restoreEntityAttributes(attrInstance, (Map) obj);
}
}
}
} else if (attrValue instanceof ITypedReferenceableInstance) {
ITypedReferenceableInstance attrInstance = (ITypedReferenceableInstance) attrValue;
Object obj = prunedAttributes.get(attrInstance.getId()._getId());
if (obj instanceof Map) {
restoreEntityAttributes(attrInstance, (Map) obj);
}
}
}
}
}
}
private String getAuditPrefix(EntityAuditAction action) {
final String ret;
switch (action) {
case ENTITY_CREATE:
ret = "Created: ";
break;
case ENTITY_UPDATE:
ret = "Updated: ";
break;
case ENTITY_DELETE:
ret = "Deleted: ";
break;
case TAG_ADD:
ret = "Added trait: ";
break;
case TAG_DELETE:
ret = "Deleted trait: ";
break;
default:
ret = "Unknown: ";
}
return ret;
}
}
......@@ -50,4 +50,18 @@ public interface EntityAuditRepository {
* @throws AtlasException
*/
List<EntityAuditEvent> listEvents(String entityId, String startKey, short n) throws AtlasException;
/**
* Returns maximum allowed repository size per EntityAuditEvent
* @throws AtlasException
*/
long repositoryMaxSize() throws AtlasException;
/**
* list of attributes to be excluded when storing in audit repo.
* @param entityType type of entity
* @return list of attribute names to be excluded
* @throws AtlasException
*/
List<String> getAuditExcludeAttributes(String entityType) throws AtlasException;
}
......@@ -52,8 +52,10 @@ import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* HBase based repository for entity audit events
......@@ -74,9 +76,6 @@ public class HBaseBasedAuditRepository implements Service, EntityAuditRepository
public static final String CONFIG_PREFIX = "atlas.audit";
public static final String CONFIG_TABLE_NAME = CONFIG_PREFIX + ".hbase.tablename";
public static final String DEFAULT_TABLE_NAME = "ATLAS_ENTITY_AUDIT_EVENTS";
private static final String FIELD_SEPARATOR = ":";
public static final String CONFIG_PERSIST_ENTITY_DEFINITION = CONFIG_PREFIX + ".persistEntityDefinition";
public static final byte[] COLUMN_FAMILY = Bytes.toBytes("dt");
......@@ -85,7 +84,15 @@ public class HBaseBasedAuditRepository implements Service, EntityAuditRepository
public static final byte[] COLUMN_USER = Bytes.toBytes("u");
public static final byte[] COLUMN_DEFINITION = Bytes.toBytes("f");
private static boolean persistEntityDefinition;
private static final String AUDIT_REPOSITORY_MAX_SIZE_PROPERTY = "atlas.hbase.client.keyvalue.maxsize";
private static final String AUDIT_EXCLUDE_ATTRIBUTE_PROPERTY = "atlas.audit.hbase.entity";
private static final String FIELD_SEPARATOR = ":";
private static final long ATLAS_HBASE_KEYVALUE_DEFAULT_SIZE = 1024 * 1024;
private static Configuration APPLICATION_PROPERTIES = null;
private static boolean persistEntityDefinition;
private Map<String, List<String>> auditExcludedAttributesCache = new HashMap<>();
static {
try {
......@@ -219,6 +226,52 @@ public class HBaseBasedAuditRepository implements Service, EntityAuditRepository
}
}
@Override
public long repositoryMaxSize() throws AtlasException {
long ret;
initApplicationProperties();
if (APPLICATION_PROPERTIES == null) {
ret = ATLAS_HBASE_KEYVALUE_DEFAULT_SIZE;
} else {
ret = APPLICATION_PROPERTIES.getLong(AUDIT_REPOSITORY_MAX_SIZE_PROPERTY, ATLAS_HBASE_KEYVALUE_DEFAULT_SIZE);
}
return ret;
}
@Override
public List<String> getAuditExcludeAttributes(String entityType) throws AtlasException {
List<String> ret = null;
initApplicationProperties();
if (auditExcludedAttributesCache.containsKey(entityType)) {
ret = auditExcludedAttributesCache.get(entityType);
} else if (APPLICATION_PROPERTIES != null) {
String[] excludeAttributes = APPLICATION_PROPERTIES.getStringArray(AUDIT_EXCLUDE_ATTRIBUTE_PROPERTY + "." +
entityType + "." + "attributes.exclude");
if (excludeAttributes != null) {
ret = Arrays.asList(excludeAttributes);
}
auditExcludedAttributesCache.put(entityType, ret);
}
return ret;
}
private void initApplicationProperties() {
if (APPLICATION_PROPERTIES == null) {
try {
APPLICATION_PROPERTIES = ApplicationProperties.get();
} catch (AtlasException ex) {
// ignore
}
}
}
private String getResultString(Result result, byte[] columnName) {
byte[] rawValue = result.getValue(COLUMN_FAMILY, columnName);
if ( rawValue != null) {
......
......@@ -66,4 +66,14 @@ public class InMemoryEntityAuditRepository implements EntityAuditRepository {
}
return events;
}
@Override
public long repositoryMaxSize() throws AtlasException {
return -1;
}
@Override
public List<String> getAuditExcludeAttributes(String entityType) throws AtlasException {
return null;
}
}
......@@ -47,4 +47,14 @@ public class NoopEntityAuditRepository implements EntityAuditRepository {
throws AtlasException {
return Collections.emptyList();
}
@Override
public long repositoryMaxSize() throws AtlasException {
return -1;
}
@Override
public List<String> getAuditExcludeAttributes(String entityType) throws AtlasException {
return null;
}
}
......@@ -254,6 +254,10 @@ public class StructInstance implements ITypedStruct {
bigDecimals[pos] = null;
} else if (i.dataType() == DataTypes.DATE_TYPE) {
dates[pos] = null;
} else if (i.dataType() == DataTypes.INT_TYPE) {
ints[pos] = 0;
} else if (i.dataType() == DataTypes.BOOLEAN_TYPE) {
bools[pos] = false;
} else if (i.dataType() == DataTypes.STRING_TYPE) {
strings[pos] = null;
} else if (i.dataType().getTypeCategory() == DataTypes.TypeCategory.ARRAY) {
......
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