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refs #1282: New Accounting: IS-Collector doesn't start correctly after upgrade to ghn 6.0.0 

https://support.d4science.org/issues/1282

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-lib@120286 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Luca Frosini 2015-11-17 10:22:41 +00:00
parent 15ccd8487a
commit c5134be2b6
2 changed files with 56 additions and 36 deletions
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88
src/main/java/org/gcube/accounting/persistence/AccountingPersistenceBackendFactory.java
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@ -8,8 +8,8 @@ import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantLock;
import org.gcube.accounting.aggregation.scheduler.AggregationScheduler;
import org.gcube.common.scope.api.ScopeProvider;
@ -31,21 +31,24 @@ public abstract class AccountingPersistenceBackendFactory {
private static String fallbackLocation;
private static ReentrantLock lock = new ReentrantLock();
private static Map<String, AccountingPersistenceBackend> accountingPersistenceBackends;
private static Map<String, Long> fallbackLastCheck;
public static final long FALLBACK_RETRY_TIME = 1000*60*10; // 10 min
static Map<String,Long> fallbackLastCheck;
/**
* @return the fallbackLastCheck
*/
protected static Long getFallbackLastCheck(String scope) {
return fallbackLastCheck.get(scope);
}
static {
accountingPersistenceBackends = new HashMap<String, AccountingPersistenceBackend>();
fallbackLastCheck = new HashMap<String, Long>();
}
protected Set<String> getActiveScopes(){
return accountingPersistenceBackends.keySet();
}
private static File file(File file) throws IllegalArgumentException {
if(!file.isDirectory()){
file = file.getParentFile();
@ -67,6 +70,21 @@ public abstract class AccountingPersistenceBackendFactory {
}
}
protected static FallbackPersistenceBackend createFallback(String scope){
File fallbackFile = null;
if(scope!=null){
ScopeBean bean = new ScopeBean(scope);
/* if(bean.is(Type.VRE)){ bean = bean.enclosingScope(); } */
String name = bean.name();
fallbackFile = new File(fallbackLocation, String.format("%s.%s", name, ACCOUTING_FALLBACK_FILENAME));
}else{
fallbackFile = new File(fallbackLocation, ACCOUTING_FALLBACK_FILENAME);
}
FallbackPersistenceBackend fallbackPersistence = new FallbackPersistenceBackend(fallbackFile);
fallbackPersistence.setAggregationScheduler(AggregationScheduler.newInstance());
return fallbackPersistence;
}
protected static AccountingPersistenceBackend discoverAccountingPersistenceBackend(String scope){
ServiceLoader<AccountingPersistenceBackend> serviceLoader = ServiceLoader.load(AccountingPersistenceBackend.class);
for (AccountingPersistenceBackend foundPersistence : serviceLoader) {
@ -92,26 +110,11 @@ public abstract class AccountingPersistenceBackendFactory {
return null;
};
protected static FallbackPersistenceBackend createFallback(String scope){
File fallbackFile = null;
if(scope!=null){
ScopeBean bean = new ScopeBean(scope);
/* if(bean.is(Type.VRE)){ bean = bean.enclosingScope(); } */
String name = bean.name();
fallbackFile = new File(fallbackLocation, String.format("%s.%s", name, ACCOUTING_FALLBACK_FILENAME));
}else{
fallbackFile = new File(fallbackLocation, ACCOUTING_FALLBACK_FILENAME);
}
FallbackPersistenceBackend fallbackPersistence = new FallbackPersistenceBackend(fallbackFile);
fallbackPersistence.setAggregationScheduler(AggregationScheduler.newInstance());
return fallbackPersistence;
}
protected static AccountingPersistenceBackend rediscoverAccountingPersistenceBackend(AccountingPersistenceBackend actual, String scope){
long now = Calendar.getInstance().getTimeInMillis();
Long lastCheckTimestamp = fallbackLastCheck.get(scope);
if(lastCheckTimestamp <= (now + FALLBACK_RETRY_TIME)){
if( (lastCheckTimestamp + FALLBACK_RETRY_TIME) <= now ){
logger.debug("The {} for scope {} is {}. Is time to rediscover if there is another possibility.",
AccountingPersistenceBackend.class.getSimpleName(), scope, actual.getClass().getSimpleName());
@ -139,6 +142,8 @@ public abstract class AccountingPersistenceBackendFactory {
}
}
logger.debug("The {} for scope {} is going to be used is {}. Next retry in {} msec",
AccountingPersistenceBackend.class.getSimpleName(), scope, actual.getClass().getSimpleName(), FALLBACK_RETRY_TIME);
return actual;
}
@ -150,21 +155,36 @@ public abstract class AccountingPersistenceBackendFactory {
return createFallback(null);
}
AccountingPersistenceBackend persistence = accountingPersistenceBackends.get(scope);
if(persistence==null){
persistence = discoverAccountingPersistenceBackend(scope);
lock.lock();
AccountingPersistenceBackend persistence = null;
try {
persistence = accountingPersistenceBackends.get(scope);
if(persistence==null){
logger.warn("Unable to find a usable {}. {} will be used.", AccountingPersistenceBackend.class.getSimpleName(), FallbackPersistenceBackend.class.getSimpleName());
long now = Calendar.getInstance().getTimeInMillis();
fallbackLastCheck.put(scope, now);
/*
* Setting FallbackPersistence and unlocking.
* This is used to avoid deadlock on IS node which try to use
* itself to query configuration.
*/
persistence = createFallback(scope);
accountingPersistenceBackends.put(scope, persistence);
long now = Calendar.getInstance().getTimeInMillis();
/* The AccountingPersistenceBackend is still to be discovered
* setting the last check advanced in time to force rediscover.
*/
fallbackLastCheck.put(scope, ((now - FALLBACK_RETRY_TIME) - 1));
}
accountingPersistenceBackends.put(scope, persistence);
} else if(persistence instanceof FallbackPersistenceBackend && fallbackLastCheck.get(scope)!=null){
// Trying to rediscover AccountingPersistenceBackend
persistence = rediscoverAccountingPersistenceBackend(persistence, scope);
} finally {
lock.unlock();
}
lock.lock();
try {
persistence = accountingPersistenceBackends.get(scope);
if(persistence instanceof FallbackPersistenceBackend){
persistence = rediscoverAccountingPersistenceBackend(persistence, scope);
}
} finally {
lock.unlock();
}
return persistence;

4
src/test/java/org/gcube/accounting/persistence/AccountingPersistenceBackendTest.java
View File

@ -104,7 +104,7 @@ public class AccountingPersistenceBackendTest {
public void testScopeRecheck() throws Exception {
ScopeProvider.instance.set("/fakeScope");
AccountingPersistenceBackendFactory.getPersistenceBackend();
Long firstCheck = AccountingPersistenceBackendFactory.fallbackLastCheck.get(ScopeProvider.instance.get());
Long firstCheck = AccountingPersistenceBackendFactory.getFallbackLastCheck(ScopeProvider.instance.get());
logger.debug("First Check Time {}", firstCheck);
long startTime = Calendar.getInstance().getTimeInMillis();
@ -115,7 +115,7 @@ public class AccountingPersistenceBackendTest {
}
AccountingPersistenceBackendFactory.getPersistenceBackend();
Long secondCheck = AccountingPersistenceBackendFactory.fallbackLastCheck.get(ScopeProvider.instance.get());
Long secondCheck = AccountingPersistenceBackendFactory.getFallbackLastCheck(ScopeProvider.instance.get());
logger.debug("Second Check Time {}", secondCheck);
Assert.assertNotEquals(firstCheck, secondCheck);