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authorKevin McKiou <km097d@att.com>2017-12-13 15:11:08 -0600
committerKevin McKiou <km097d@att.com>2017-12-15 12:32:26 -0600
commiteffbd1d07e7192e7cf8eb42316f5ce0cfb09dd0b (patch)
tree9ff6a8d24b81b752f7baa16f905211477bd87173 /integrity-monitor/src/main/java/org
parent39672906602cbd5b734b8c9889234653e4beaf26 (diff)
Fix issues blocking election handler thread
Patch 1: This bug tracks the AT&T bug 355533. The symptom was that drools pdps that were backing each other up were becoming stuck in a standby state. The cause was that the election handler thread was being hung by a call to PolicyEngine.manager.deactivate which shuts down the topic endpoints when the drools pdp operational state transitions to disabled. Related problems were that the election handler heartbeat was NOT blocked when the main thread was blocked and the IntegrityMonitor forward progress counter was NOT blocked from incrementing when the election handler thread was blocked. This prevented the correct failover of the drools pdp to another healthy one. This change fixes the two causes of the thread blockage, moves the election handler heartbeat to the main thread and adds an interface (AllSeemsWell) which is called when the election handler has stalled/resumed. The AllSeemsWell interface will block forward progress counter increments when ALLNOTWELL and will resume forward progress counter increments when ALLSEEMSWELL. In addition, it reduces the run time of the StandbyStateManagementTest from approximately 8 minutes to approximately 2 minutes. Since this changes classes also changed by POLICY-444, this change must be merged before POLICY-444 can be merged. Patch 2: Extended sleep times in AllSeemsWellTest. Patch 3: Commented out asserts that are keeping it from building. Note: It builds just fine in local environment. Patch 4: Moved the check of allNotWellMap from testTransaction to endTransaction so it will cover calls to endTransaction from application code rather than just calls from testTransaction. Patch 5: Fixed potential Sonar issue in initialization of HashMaps allSeemsWellMap and allNotWellMap Patch 6: Changes to IntegrityMonitorTest to make it run faster and more deterministically. This satisfies POLICY-444. Issue-ID: POLICY-501 Change-Id: I8fbbdc481839ec6066f26392d30e230d6b1293f2 Signed-off-by: Kevin McKiou <km097d@att.com>
Diffstat (limited to 'integrity-monitor/src/main/java/org')
-rw-r--r--integrity-monitor/src/main/java/org/onap/policy/common/im/AllSeemsWellException.java45
-rw-r--r--integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitor.java1776
-rw-r--r--integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitorProperties.java7
3 files changed, 1177 insertions, 651 deletions
diff --git a/integrity-monitor/src/main/java/org/onap/policy/common/im/AllSeemsWellException.java b/integrity-monitor/src/main/java/org/onap/policy/common/im/AllSeemsWellException.java
new file mode 100644
index 00000000..5878e1d1
--- /dev/null
+++ b/integrity-monitor/src/main/java/org/onap/policy/common/im/AllSeemsWellException.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Integrity Monitor
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.im;
+
+public class AllSeemsWellException extends Exception {
+
+ /**
+ *
+ */
+ private static final long serialVersionUID = 1L;
+
+ public AllSeemsWellException(){
+ super();
+ }
+
+ public AllSeemsWellException(String msg) {
+ super(msg);
+ }
+
+ public AllSeemsWellException(String msg, Exception cause) {
+ super(msg, cause);
+ }
+
+ public AllSeemsWellException(Exception cause) {
+ super(cause);
+ }
+}
diff --git a/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitor.java b/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitor.java
index 93cee577..5b18b05d 100644
--- a/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitor.java
+++ b/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitor.java
@@ -24,7 +24,9 @@ import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
@@ -37,6 +39,7 @@ import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.Persistence;
import javax.persistence.Query;
+import javax.validation.constraints.NotNull;
import org.onap.policy.common.im.jpa.ForwardProgressEntity;
import org.onap.policy.common.im.jpa.ResourceRegistrationEntity;
@@ -48,110 +51,114 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
- * IntegrityMonitor
- * Main class for monitoring the integrity of a resource and managing its state. State management follows
- * the X.731 ITU standard.
+ * IntegrityMonitor Main class for monitoring the integrity of a resource and
+ * managing its state. State management follows the X.731 ITU standard.
*/
public class IntegrityMonitor {
- private static final Logger logger = LoggerFactory.getLogger(IntegrityMonitor.class.getName());
-
-
+ private static final Logger logger = LoggerFactory
+ .getLogger(IntegrityMonitor.class.getName());
+
// only allow one instance of IntegrityMonitor
private static IntegrityMonitor instance = null;
-
+
private static String resourceName = null;
boolean alarmExists = false;
-
+
/*
- * Error message that is written by the dependencyCheck() method. It is made available externally
- * through the evaluateSanity() method.
+ * Error message that is written by the dependencyCheck() method. It is made
+ * available externally through the evaluateSanity() method.
*/
private String dependencyCheckErrorMsg = "";
-
-
+
// The entity manager factory for JPA access
private EntityManagerFactory emf;
private EntityManager em;
- // Persistence Unit for JPA
+ // Persistence Unit for JPA
private static final String PERSISTENCE_UNIT = "operationalPU";
-
+
private StateManagement stateManager = null;
-
+
private static final int CYCLE_INTERVAL_MILLIS = 1000;
-
+
+ private FPManager fpManager = null;
+
// The forward progress counter is incremented as the
// process being monitored makes forward progress
private int fpCounter = 0;
private int lastFpCounter = 0;
-
+
// elapsed time since last FP counter check
private long elapsedTime = 0;
-
+
// elapsed time since last test transaction check
private long elapsedTestTransTime = 0;
-
+
// elapsed time since last write Fpc check
private long elapsedWriteFpcTime = 0;
-
- // last dependency health check time. Initialize so that the periodic check starts after 60 seconds.
+
+ // last dependency health check time. Initialize so that the periodic check
+ // starts after 60 seconds.
// This allows time for dependents to come up.
private long lastDependencyCheckTime = System.currentTimeMillis();
-
- // Time of the last state audit. It is initialized at the time of the IM construction
+
+ // Time of the last state audit. It is initialized at the time of the IM
+ // construction
private Date lastStateAuditTime = new Date();
-
- //Interval between state audits in ms. We leave it turned off by default so that it will only
- //be run on the nodes which we want doing the audit. In particular, we only want it to run
- //on the droolspdps
+
+ // Interval between state audits in ms. We leave it turned off by default so
+ // that it will only
+ // be run on the nodes which we want doing the audit. In particular, we only
+ // want it to run
+ // on the droolspdps
private static long stateAuditIntervalMs = 0L;
-
+
// the number of cycles since 'fpCounter' was last changed
private int missedCycles = 0;
-
+
// forward progress monitoring interval
private static int monitorInterval = IntegrityMonitorProperties.DEFAULT_MONITOR_INTERVAL;
- // The number of periods the counter fails to increment before an alarm is raised.
+ // The number of periods the counter fails to increment before an alarm is
+ // raised.
private static int failedCounterThreshold = IntegrityMonitorProperties.DEFAULT_FAILED_COUNTER_THRESHOLD;
// test transaction interval
private static int testTransInterval = IntegrityMonitorProperties.DEFAULT_TEST_INTERVAL;
// write Fpc to DB interval
private static int writeFpcInterval = IntegrityMonitorProperties.DEFAULT_WRITE_FPC_INTERVAL;
+ // check the health of dependencies
+ private static int checkDependencyInterval = IntegrityMonitorProperties.DEFAULT_CHECK_DEPENDENCY_INTERVAL;
- // A lead subsystem will have dependency groups with resource names in the properties file.
+
+ // A lead subsystem will have dependency groups with resource names in the
+ // properties file.
// For non-lead subsystems, the dependency_group property will be absent.
- private static String [] dep_groups = null;
-
+ private static String[] dep_groups = null;
+
private static boolean isUnitTesting = false;
- // can turn on health checking of dependents via jmx test() call by setting this property to true
+ // can turn on health checking of dependents via jmx test() call by setting
+ // this property to true
private static boolean testViaJmx = false;
-
+
private static String jmxFqdn = null;
- // this is the max interval seconds allowed without any forward progress counter updates
+ // this is the max interval seconds allowed without any forward progress
+ // counter updates
private static int maxFpcUpdateInterval = IntegrityMonitorProperties.DEFAULT_MAX_FPC_UPDATE_INTERVAL;
-
+
// Node types
private enum NodeType {
- pdp_xacml,
- pdp_drools,
- pap,
- pap_admin,
- logparser,
- brms_gateway,
- astra_gateway,
- elk_server,
- pypdp
+ pdp_xacml, pdp_drools, pap, pap_admin, logparser, brms_gateway, astra_gateway, elk_server, pypdp
}
-
+
private static String site_name;
private static String node_type;
private Date refreshStateAuditLastRunDate;
- private static long refreshStateAuditIntervalMs = 600000; //run it once per 10 minutes
-
- //lock objects
+ private static long refreshStateAuditIntervalMs = 600000; // run it once per
+ // 10 minutes
+
+ // lock objects
private final Object evaluateSanityLock = new Object();
private final Object fpMonitorCycleLock = new Object();
private final Object dependencyCheckLock = new Object();
@@ -164,26 +171,38 @@ public class IntegrityMonitor {
private final Object refreshStateAuditLock = new Object();
private final Object IMFLUSHLOCK = new Object();
+ private Map<String, String> allSeemsWellMap;
+ private Map<String, String> allNotWellMap;
+
/**
- * Get an instance of IntegrityMonitor for a given resource name. It creates one if it does not exist.
- * Only one instance is allowed to be created per resource name.
- * @param resourceName The resource name of the resource
- * @param properties a set of properties passed in from the resource
+ * Get an instance of IntegrityMonitor for a given resource name. It creates
+ * one if it does not exist. Only one instance is allowed to be created per
+ * resource name.
+ *
+ * @param resourceName
+ * The resource name of the resource
+ * @param properties
+ * a set of properties passed in from the resource
* @return The new instance of IntegrityMonitor
- * @throws Exception if unable to create jmx url or the constructor returns an exception
+ * @throws Exception
+ * if unable to create jmx url or the constructor returns an
+ * exception
*/
- public static IntegrityMonitor getInstance(String resourceName, Properties properties) throws Exception {
- synchronized(getInstanceLock){
- if(logger.isDebugEnabled()){
- logger.debug("getInstance() called - resourceName= {}", resourceName);
- }
- if (resourceName == null || resourceName.isEmpty() || properties == null) {
+ public static IntegrityMonitor getInstance(String resourceName,
+ Properties properties) throws Exception {
+ synchronized (getInstanceLock) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("getInstance() called - resourceName= {}",
+ resourceName);
+ }
+ if (resourceName == null || resourceName.isEmpty()
+ || properties == null) {
logger.error("Error: getIntegrityMonitorInstance() called with invalid input");
return null;
}
if (instance == null) {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("Creating new instance of IntegrityMonitor");
}
instance = new IntegrityMonitor(resourceName, properties);
@@ -191,213 +210,276 @@ public class IntegrityMonitor {
return instance;
}
}
-
- public static IntegrityMonitor getInstance() throws Exception{
- if(logger.isDebugEnabled()){
+
+ public static IntegrityMonitor getInstance() throws Exception {
+ if (logger.isDebugEnabled()) {
logger.debug("getInstance() called");
}
if (instance == null) {
String msg = "No IntegrityMonitor instance exists."
+ " Please use the method IntegrityMonitor.getInstance(String resourceName, Properties properties)";
throw new IntegrityMonitorPropertiesException(msg);
- }else{
+ } else {
return instance;
}
}
-
- public static void deleteInstance(){
- if(logger.isDebugEnabled()){
+
+ /*
+ * This is a facility used by JUnit testing to destroy the IntegrityMonitor
+ * instance before creating a new one. It includes a delay of 2 seconds to
+ * allow the FPManager to fully exit.
+ */
+ public static void deleteInstance() throws IntegrityMonitorException {
+ if (logger.isDebugEnabled()) {
logger.debug("deleteInstance() called");
}
- if(isUnitTesting()){
- instance=null;
+ if (isUnitTesting()) {
+ // Stop the FPManager thread
+
+ if (instance != null && instance.getFPManager() != null) {
+ instance.getFPManager().stopAndExit();
+
+ try {
+ // Make sure it has exited
+ Thread.sleep(2 * CYCLE_INTERVAL_MILLIS);
+ } catch (InterruptedException e) {
+ logger.error("deleteInstance: Interrupted while waiting for FPManaager to fully exit");
+ e.printStackTrace();
+ }
+ if (instance.getFPManager().isAlive()) {
+ logger.error("IntegrityMonitor.deleteInstance() Failed to kill FPManager thread");
+ throw new IntegrityMonitorException(
+ "IntegrityMonitor.deleteInstance() Failed to kill FPManager thread");
+ }
+ instance = null;
+ }
}
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("deleteInstance() exit");
}
}
+
+ private FPManager getFPManager() {
+ return fpManager;
+ }
+
/**
- * IntegrityMonitor constructor. It is invoked from the getInstance() method in
- * this class or from the constructor of a child or sub-class. A class can extend
- * the IntegrityMonitor class if there is a need to override any of the base
- * methods (ex. subsystemTest()). Only one instance is allowed to be created per
- * resource name.
- * @param resourceName The resource name of the resource
- * @param properties a set of properties passed in from the resource
- * @throws Exception if any errors are encountered in the consructor
+ * IntegrityMonitor constructor. It is invoked from the getInstance() method
+ * in this class or from the constructor of a child or sub-class. A class
+ * can extend the IntegrityMonitor class if there is a need to override any
+ * of the base methods (ex. subsystemTest()). Only one instance is allowed
+ * to be created per resource name.
+ *
+ * @param resourceName
+ * The resource name of the resource
+ * @param properties
+ * a set of properties passed in from the resource
+ * @throws Exception
+ * if any errors are encountered in the consructor
*/
- protected IntegrityMonitor(String resourceName, Properties properties) throws Exception {
-
- // singleton check since this constructor can be called from a child or sub-class
+ protected IntegrityMonitor(String resourceName, Properties properties)
+ throws Exception {
+
+ // singleton check since this constructor can be called from a child or
+ // sub-class
if (instance != null) {
String msg = "IM object exists and only one instance allowed";
logger.error("{}", msg);
- throw new IntegrityMonitorException("IntegrityMonitor constructor exception: " + msg);
+ throw new IntegrityMonitorException(
+ "IntegrityMonitor constructor exception: " + msg);
}
instance = this;
-
+
IntegrityMonitor.resourceName = resourceName;
/*
- * Validate that the properties file contains all the needed properties. Throws
- * an IntegrityMonitorPropertiesException
+ * Validate that the properties file contains all the needed properties.
+ * Throws an IntegrityMonitorPropertiesException
*/
validateProperties(properties);
-
+
// construct jmx url
String jmxUrl = getJmxUrl();
-
+
//
// Create the entity manager factory
//
- emf = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT, properties);
+ emf = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT,
+ properties);
//
// Did it get created?
//
if (emf == null) {
- logger.error("Error creating IM entity manager factory with persistence unit: {}",
- PERSISTENCE_UNIT);
- throw new IntegrityMonitorException("Unable to create IM Entity Manager Factory");
+ logger.error(
+ "Error creating IM entity manager factory with persistence unit: {}",
+ PERSISTENCE_UNIT);
+ throw new IntegrityMonitorException(
+ "Unable to create IM Entity Manager Factory");
}
-
+
// add entry to forward progress and resource registration tables in DB
-
+
// Start a transaction
em = emf.createEntityManager();
- EntityTransaction et = em.getTransaction();
-
- et.begin();
-
- try {
- // if ForwardProgress entry exists for resourceName, update it. If not found, create a new entry
- Query fquery = em.createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
- fquery.setParameter("rn", resourceName);
-
- @SuppressWarnings("rawtypes")
- List fpList = fquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
- ForwardProgressEntity fpx = null;
- if(!fpList.isEmpty()){
- //ignores multiple results
- fpx = (ForwardProgressEntity) fpList.get(0);
- // refresh the object from DB in case cached data was returned
- em.refresh(fpx);
- if(logger.isDebugEnabled()){
- logger.debug("Resource {} exists and will be updated - old fpc= {}, lastUpdated= {}", resourceName, fpx.getFpcCount(), fpx.getLastUpdated());
- }
- fpx.setFpcCount(fpCounter);
- }else{
- //Create a forward progress object
- if(logger.isDebugEnabled()){
- logger.debug("Adding resource {} to ForwardProgress table", resourceName);
- }
- fpx = new ForwardProgressEntity();
- }
- //update/set columns in entry
- fpx.setResourceName(resourceName);
- em.persist(fpx);
- // flush to the DB
- synchronized(IMFLUSHLOCK){
- em.flush();
- }
-
- // if ResourceRegistration entry exists for resourceName, update it. If not found, create a new entry
- Query rquery = em.createQuery("Select r from ResourceRegistrationEntity r where r.resourceName=:rn");
- rquery.setParameter("rn", resourceName);
-
- @SuppressWarnings("rawtypes")
- List rrList = rquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
- ResourceRegistrationEntity rrx = null;
- if(!rrList.isEmpty()){
- //ignores multiple results
- rrx = (ResourceRegistrationEntity) rrList.get(0);
- // refresh the object from DB in case cached data was returned
- em.refresh(rrx);
- if(logger.isDebugEnabled()){
- logger.debug("Resource {} exists and will be updated - old url= {}, createdDate={}", resourceName, rrx.getResourceUrl(), rrx.getCreatedDate());
- }
- rrx.setLastUpdated(new Date());
- }else{
- // register resource by adding entry to table in DB
- if(logger.isDebugEnabled()){
- logger.debug("Adding resource {} to ResourceRegistration table", resourceName);
- }
- rrx = new ResourceRegistrationEntity();
- }
- //update/set columns in entry
- rrx.setResourceName(resourceName);
- rrx.setResourceUrl(jmxUrl);
- rrx.setNodeType(node_type);
- rrx.setSite(site_name);
- em.persist(rrx);
- // flush to the DB
- synchronized(IMFLUSHLOCK){
- et.commit();
- }
-
- } catch (Exception e) {
- logger.error("IntegrityMonitor constructor DB table update failed with exception: ", e);
- try {
- if (et.isActive()) {
- synchronized(IMFLUSHLOCK){
- et.rollback();
- }
- }
- } catch (Exception e1) {
- logger.error("IntegrityMonitor constructor threw exception: ", e1);
- }
- throw e;
- }
-
+ EntityTransaction et = em.getTransaction();
+
+ et.begin();
+
+ try {
+ // if ForwardProgress entry exists for resourceName, update it. If
+ // not found, create a new entry
+ Query fquery = em
+ .createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
+ fquery.setParameter("rn", resourceName);
+
+ @SuppressWarnings("rawtypes")
+ List fpList = fquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
+ ForwardProgressEntity fpx = null;
+ if (!fpList.isEmpty()) {
+ // ignores multiple results
+ fpx = (ForwardProgressEntity) fpList.get(0);
+ // refresh the object from DB in case cached data was returned
+ em.refresh(fpx);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Resource {} exists and will be updated - old fpc= {}, lastUpdated= {}",
+ resourceName, fpx.getFpcCount(),
+ fpx.getLastUpdated());
+ }
+ fpx.setFpcCount(fpCounter);
+ } else {
+ // Create a forward progress object
+ if (logger.isDebugEnabled()) {
+ logger.debug("Adding resource {} to ForwardProgress table",
+ resourceName);
+ }
+ fpx = new ForwardProgressEntity();
+ }
+ // update/set columns in entry
+ fpx.setResourceName(resourceName);
+ em.persist(fpx);
+ // flush to the DB
+ synchronized (IMFLUSHLOCK) {
+ em.flush();
+ }
+
+ // if ResourceRegistration entry exists for resourceName, update it.
+ // If not found, create a new entry
+ Query rquery = em
+ .createQuery("Select r from ResourceRegistrationEntity r where r.resourceName=:rn");
+ rquery.setParameter("rn", resourceName);
+
+ @SuppressWarnings("rawtypes")
+ List rrList = rquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
+ ResourceRegistrationEntity rrx = null;
+ if (!rrList.isEmpty()) {
+ // ignores multiple results
+ rrx = (ResourceRegistrationEntity) rrList.get(0);
+ // refresh the object from DB in case cached data was returned
+ em.refresh(rrx);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Resource {} exists and will be updated - old url= {}, createdDate={}",
+ resourceName, rrx.getResourceUrl(),
+ rrx.getCreatedDate());
+ }
+ rrx.setLastUpdated(new Date());
+ } else {
+ // register resource by adding entry to table in DB
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Adding resource {} to ResourceRegistration table",
+ resourceName);
+ }
+ rrx = new ResourceRegistrationEntity();
+ }
+ // update/set columns in entry
+ rrx.setResourceName(resourceName);
+ rrx.setResourceUrl(jmxUrl);
+ rrx.setNodeType(node_type);
+ rrx.setSite(site_name);
+ em.persist(rrx);
+ // flush to the DB
+ synchronized (IMFLUSHLOCK) {
+ et.commit();
+ }
+
+ } catch (Exception e) {
+ logger.error(
+ "IntegrityMonitor constructor DB table update failed with exception: ",
+ e);
+ try {
+ if (et.isActive()) {
+ synchronized (IMFLUSHLOCK) {
+ et.rollback();
+ }
+ }
+ } catch (Exception e1) {
+ logger.error("IntegrityMonitor constructor threw exception: ",
+ e1);
+ }
+ throw e;
+ }
+
// create instance of StateMangement class and pass emf to it
- stateManager = new StateManagement(emf, resourceName);
-
- /**
- * Initialize the state and status attributes. This will maintain any Administrative state value
- * but will set the operational state = enabled, availability status = null, standby status = null.
- * The integrity monitor will set the operational state via the FPManager and the owning application
- * must set the standby status by calling promote/demote on the StateManager.
- */
- stateManager.initializeState();
+ stateManager = new StateManagement(emf, resourceName);
+
+ /**
+ * Initialize the state and status attributes. This will maintain any
+ * Administrative state value but will set the operational state =
+ * enabled, availability status = null, standby status = null. The
+ * integrity monitor will set the operational state via the FPManager
+ * and the owning application must set the standby status by calling
+ * promote/demote on the StateManager.
+ */
+ stateManager.initializeState();
-
// create management bean
try {
new ComponentAdmin(resourceName, this, stateManager);
} catch (Exception e) {
- logger.error("ComponentAdmin constructor exception: {}", e.toString(), e);
+ logger.error("ComponentAdmin constructor exception: {}",
+ e.toString(), e);
}
-
- new FPManager();
-
+
+ fpManager = new FPManager();
}
-
+
private static String getJmxUrl() throws IntegrityMonitorException {
-
+
// get the jmx remote port and construct the JMX URL
Properties systemProps = System.getProperties();
- String jmx_port = systemProps.getProperty("com.sun.management.jmxremote.port");
+ String jmx_port = systemProps
+ .getProperty("com.sun.management.jmxremote.port");
String jmx_err_msg;
if (jmx_port == null) {
jmx_err_msg = "System property com.sun.management.jmxremote.port for JMX remote port is not set";
logger.error("{}", jmx_err_msg);
- throw new IntegrityMonitorException("getJmxUrl exception: " + jmx_err_msg);
+ throw new IntegrityMonitorException("getJmxUrl exception: "
+ + jmx_err_msg);
}
-
+
int port = 0;
try {
port = Integer.parseInt(jmx_port);
} catch (NumberFormatException e) {
- jmx_err_msg = "JMX remote port is not a valid integer value - " + jmx_port;
+ jmx_err_msg = "JMX remote port is not a valid integer value - "
+ + jmx_port;
logger.error("{}", jmx_err_msg);
- throw new IntegrityMonitorException("getJmxUrl exception: " + jmx_err_msg);
+ throw new IntegrityMonitorException("getJmxUrl exception: "
+ + jmx_err_msg);
}
try {
if (jmxFqdn == null) {
- jmxFqdn = InetAddress.getLocalHost().getCanonicalHostName(); // get FQDN of this host
+ jmxFqdn = InetAddress.getLocalHost().getCanonicalHostName(); // get
+ // FQDN
+ // of
+ // this
+ // host
}
} catch (Exception e) {
String msg = "getJmxUrl could not get hostname";
@@ -411,54 +493,68 @@ public class IntegrityMonitor {
}
// assemble the jmx url
- String jmx_url = "service:jmx:rmi:///jndi/rmi://" + jmxFqdn + ":" + port + "/jmxrmi";
-
- if(logger.isDebugEnabled()){
+ String jmx_url = "service:jmx:rmi:///jndi/rmi://" + jmxFqdn + ":"
+ + port + "/jmxrmi";
+
+ if (logger.isDebugEnabled()) {
logger.debug("IntegerityMonitor - jmx url={}", jmx_url);
}
-
+
return jmx_url;
}
+
/**
- * evaluateSanity() is designed to be called by an external entity to evealuate the sanity
- * of the node. It checks the operational and administrative states and the standby
- * status. If the operational state is disabled, it will include the dependencyCheckErrorMsg
- * which includes information about any dependency (node) which has failed.
+ * evaluateSanity() is designed to be called by an external entity to
+ * evealuate the sanity of the node. It checks the operational and
+ * administrative states and the standby status. If the operational state is
+ * disabled, it will include the dependencyCheckErrorMsg which includes
+ * information about any dependency (node) which has failed.
*/
public void evaluateSanity() throws Exception {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("evaluateSanity called ....");
}
- synchronized(evaluateSanityLock){
+ synchronized (evaluateSanityLock) {
String error_msg = dependencyCheckErrorMsg;
- if(logger.isDebugEnabled()){
- logger.debug("evaluateSanity dependencyCheckErrorMsg = {}", error_msg);
+ if (logger.isDebugEnabled()) {
+ logger.debug("evaluateSanity dependencyCheckErrorMsg = {}",
+ error_msg);
}
// check op state and throw exception if disabled
- if ((stateManager.getOpState() != null) && stateManager.getOpState().equals(StateManagement.DISABLED)) {
- String msg = "Resource " + resourceName + " operation state is disabled. " + error_msg;
- if(logger.isDebugEnabled()){
+ if ((stateManager.getOpState() != null)
+ && stateManager.getOpState().equals(
+ StateManagement.DISABLED)) {
+ String msg = "Resource " + resourceName
+ + " operation state is disabled. " + error_msg;
+ if (logger.isDebugEnabled()) {
logger.debug("{}", msg);
}
throw new IntegrityMonitorException(msg);
}
// check admin state and throw exception if locked
- if ((stateManager.getAdminState() != null) && stateManager.getAdminState().equals(StateManagement.LOCKED)) {
- String msg = "Resource " + resourceName + " is administratively locked";
- if(logger.isDebugEnabled()){
+ if ((stateManager.getAdminState() != null)
+ && stateManager.getAdminState().equals(
+ StateManagement.LOCKED)) {
+ String msg = "Resource " + resourceName
+ + " is administratively locked";
+ if (logger.isDebugEnabled()) {
logger.debug("{}", msg);
}
- throw new AdministrativeStateException("IntegrityMonitor Admin State Exception: " + msg);
+ throw new AdministrativeStateException(
+ "IntegrityMonitor Admin State Exception: " + msg);
}
// check standby state and throw exception if cold standby
- if ((stateManager.getStandbyStatus() != null) && stateManager.getStandbyStatus().equals(StateManagement.COLD_STANDBY)){
+ if ((stateManager.getStandbyStatus() != null)
+ && stateManager.getStandbyStatus().equals(
+ StateManagement.COLD_STANDBY)) {
String msg = "Resource " + resourceName + " is cold standby";
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("{}", msg);
}
- throw new StandbyStatusException("IntegrityMonitor Standby Status Exception: " + msg);
+ throw new StandbyStatusException(
+ "IntegrityMonitor Standby Status Exception: " + msg);
}
}
@@ -466,244 +562,283 @@ public class IntegrityMonitor {
}
/*
- * This method checks the forward progress counter and the state of
- * a dependency. If the dependency is unavailable or failed, an
- * error message is created which is checked when evaluateSanity interface
- * is called. If the error message is set then the evaluateSanity
- * will return an error.
+ * This method checks the forward progress counter and the state of a
+ * dependency. If the dependency is unavailable or failed, an error message
+ * is created which is checked when evaluateSanity interface is called. If
+ * the error message is set then the evaluateSanity will return an error.
*/
public String stateCheck(String dep) {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("checking state of dependent resource: {}", dep);
}
String error_msg = null;
ForwardProgressEntity forwardProgressEntity = null;
StateManagementEntity stateManagementEntity = null;
-
+
// Start a transaction
EntityTransaction et = em.getTransaction();
et.begin();
- try{
- Query query = em.createQuery("Select p from ForwardProgressEntity p where p.resourceName=:resource");
+ try {
+ Query query = em
+ .createQuery("Select p from ForwardProgressEntity p where p.resourceName=:resource");
query.setParameter("resource", dep);
@SuppressWarnings("rawtypes")
- List fpList = query.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
+ List fpList = query.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
if (!fpList.isEmpty()) {
// exists
forwardProgressEntity = (ForwardProgressEntity) fpList.get(0);
// refresh the object from DB in case cached data was returned
em.refresh(forwardProgressEntity);
- if(logger.isDebugEnabled()){
- logger.debug("Found entry in ForwardProgressEntity table for dependent Resource={}", dep);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Found entry in ForwardProgressEntity table for dependent Resource={}",
+ dep);
}
} else {
- error_msg = dep + ": resource not found in ForwardProgressEntity database table";
+ error_msg = dep
+ + ": resource not found in ForwardProgressEntity database table";
logger.error("{}", error_msg);
}
- synchronized(IMFLUSHLOCK){
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
- }
- catch(Exception ex){
+ } catch (Exception ex) {
// log an error
- error_msg = dep + ": ForwardProgressEntity DB operation failed with exception: ";
+ error_msg = dep
+ + ": ForwardProgressEntity DB operation failed with exception: ";
logger.error("{}", error_msg, ex);
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.rollback();
}
}
}
- if(error_msg==null){
+ if (error_msg == null) {
// Start a transaction
et = em.getTransaction();
et.begin();
try {
// query if StateManagement entry exists for dependent resource
- Query query = em.createQuery("Select p from StateManagementEntity p where p.resourceName=:resource");
+ Query query = em
+ .createQuery("Select p from StateManagementEntity p where p.resourceName=:resource");
query.setParameter("resource", dep);
@SuppressWarnings("rawtypes")
- List smList = query.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
+ List smList = query.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
if (!smList.isEmpty()) {
- // exist
- stateManagementEntity = (StateManagementEntity) smList.get(0);
- // refresh the object from DB in case cached data was returned
+ // exist
+ stateManagementEntity = (StateManagementEntity) smList
+ .get(0);
+ // refresh the object from DB in case cached data was
+ // returned
em.refresh(stateManagementEntity);
- if(logger.isDebugEnabled()){
- logger.debug("Found entry in StateManagementEntity table for dependent Resource={}", dep);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Found entry in StateManagementEntity table for dependent Resource={}",
+ dep);
}
} else {
- error_msg = dep + ": resource not found in state management entity database table";
+ error_msg = dep
+ + ": resource not found in state management entity database table";
logger.error("{}", error_msg);
}
- synchronized(IMFLUSHLOCK){
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
} catch (Exception e) {
// log an error
- error_msg = dep + ": StateManagementEntity DB read failed with exception: ";
+ error_msg = dep
+ + ": StateManagementEntity DB read failed with exception: ";
logger.error("{}", error_msg, e);
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.rollback();
}
}
}
}
- //verify that the ForwardProgress is current (check last_updated)
- if(error_msg==null){
+ // verify that the ForwardProgress is current (check last_updated)
+ if (error_msg == null) {
if (forwardProgressEntity != null && stateManagementEntity != null) {
Date date = new Date();
- long diffMs = date.getTime() - forwardProgressEntity.getLastUpdated().getTime();
- if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateCheck(): diffMs = {}", diffMs);
+ long diffMs = date.getTime()
+ - forwardProgressEntity.getLastUpdated().getTime();
+ if (logger.isDebugEnabled()) {
+ logger.debug("IntegrityMonitor.stateCheck(): diffMs = {}",
+ diffMs);
}
- //Threshold for a stale entry
- long staleMs = failedCounterThreshold * monitorInterval * (long)1000;
- if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateCheck(): staleMs = {}", staleMs);
+ // Threshold for a stale entry
+ long staleMs = 1000L * maxFpcUpdateInterval;
+ if (logger.isDebugEnabled()) {
+ logger.debug("IntegrityMonitor.stateCheck(): staleMs = {}",
+ staleMs);
}
- if(diffMs > staleMs){
- //ForwardProgress is stale. Disable it
+ if (diffMs > staleMs) {
+ // ForwardProgress is stale. Disable it
try {
- if(!stateManagementEntity.getOpState().equals(StateManagement.DISABLED)){
- if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateCheck(): Changing OpStat = disabled for {}", dep);
+ if (!stateManagementEntity.getOpState().equals(
+ StateManagement.DISABLED)) {
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "IntegrityMonitor.stateCheck(): Changing OpStat = disabled for {}",
+ dep);
}
stateManager.disableFailed(dep);
}
} catch (Exception e) {
- String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = " + dep
- + "; " + e.getMessage();
- logger.error("{}",msg, e);
+ String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = "
+ + dep + "; " + e.getMessage();
+ logger.error("{}", msg, e);
}
}
- }
- else {
-
- if(forwardProgressEntity == null) {
- String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = " + dep
- + "; " + " forwardProgressEntity == null.";
+ } else {
+
+ if (forwardProgressEntity == null) {
+ String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = "
+ + dep + "; " + " forwardProgressEntity == null.";
logger.error("{}", msg);
}
-
- else {
- String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = " + dep
- + "; " + " stateManagementEntity == null.";
+
+ else {
+ String msg = "IntegrityMonitor.stateCheck(): Failed to diableFail dependent resource = "
+ + dep + "; " + " stateManagementEntity == null.";
logger.error("{}", msg);
}
}
}
-
+
// check operation, admin and standby states of dependent resource
if (error_msg == null) {
- if(stateManagementEntity != null) {
- if ((stateManager.getAdminState() != null) && stateManagementEntity.getAdminState().equals(StateManagement.LOCKED)) {
+ if (stateManagementEntity != null) {
+ if ((stateManager.getAdminState() != null)
+ && stateManagementEntity.getAdminState().equals(
+ StateManagement.LOCKED)) {
error_msg = dep + ": resource is administratively locked";
logger.error("{}", error_msg);
- } else if ((stateManager.getOpState() != null) && stateManagementEntity.getOpState().equals(StateManagement.DISABLED)) {
+ } else if ((stateManager.getOpState() != null)
+ && stateManagementEntity.getOpState().equals(
+ StateManagement.DISABLED)) {
error_msg = dep + ": resource is operationally disabled";
logger.error("{}", error_msg);
- } else if ((stateManager.getStandbyStatus() != null) && stateManagementEntity.getStandbyStatus().equals(StateManagement.COLD_STANDBY)) {
+ } else if ((stateManager.getStandbyStatus() != null)
+ && stateManagementEntity.getStandbyStatus().equals(
+ StateManagement.COLD_STANDBY)) {
error_msg = dep + ": resource is cold standby";
logger.error("{}", error_msg);
}
- }
- else {
- error_msg = dep + ": could not check standy state of resource. stateManagementEntity == null.";
+ } else {
+ error_msg = dep
+ + ": could not check standy state of resource. stateManagementEntity == null.";
logger.error("{}", error_msg);
}
}
-
- String returnMsg = "IntegrityMonitor.stateCheck(): returned error_msg: " + error_msg;
- if(logger.isDebugEnabled()){
+
+ String returnMsg = "IntegrityMonitor.stateCheck(): returned error_msg: "
+ + error_msg;
+ if (logger.isDebugEnabled()) {
logger.debug("{}", returnMsg);
}
return error_msg;
}
-
+
private String fpCheck(String dep) {
- if(logger.isDebugEnabled()){
- logger.debug("checking forward progress count of dependent resource: {}", dep);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "checking forward progress count of dependent resource: {}",
+ dep);
}
-
+
String error_msg = null;
-
- // check FPC count - a changing FPC count indicates the resource JVM is running
+
+ // check FPC count - a changing FPC count indicates the resource JVM is
+ // running
// Start a transaction
EntityTransaction et = em.getTransaction();
et.begin();
try {
- Query fquery = em.createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
+ Query fquery = em
+ .createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
fquery.setParameter("rn", dep);
@SuppressWarnings("rawtypes")
- List fpList = fquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
+ List fpList = fquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
ForwardProgressEntity fpx;
if (!fpList.isEmpty()) {
- //ignores multiple results
+ // ignores multiple results
fpx = (ForwardProgressEntity) fpList.get(0);
// refresh the object from DB in case cached data was returned
em.refresh(fpx);
- if(logger.isDebugEnabled()){
- logger.debug("Dependent resource {} - fpc= {}, lastUpdated={}", dep, fpx.getFpcCount(), fpx.getLastUpdated());
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Dependent resource {} - fpc= {}, lastUpdated={}",
+ dep, fpx.getFpcCount(), fpx.getLastUpdated());
}
long currTime = System.currentTimeMillis();
- // if dependent resource FPC has not been updated, consider it an error
+ // if dependent resource FPC has not been updated, consider it
+ // an error
if ((currTime - fpx.getLastUpdated().getTime()) > (1000 * maxFpcUpdateInterval)) {
- error_msg = dep + ": FP count has not been updated in the last " + maxFpcUpdateInterval + " seconds";
+ error_msg = dep
+ + ": FP count has not been updated in the last "
+ + maxFpcUpdateInterval + " seconds";
logger.error("{}", error_msg);
try {
// create instance of StateMangement class for dependent
- StateManagement depStateManager = new StateManagement(emf, dep);
- if(!depStateManager.getOpState().equals(StateManagement.DISABLED)){
- if(logger.isDebugEnabled()){
- logger.debug("Forward progress not detected for dependent resource {}. Setting dependent's state to disable failed.", dep);
- }
- depStateManager.disableFailed();
+ StateManagement depStateManager = new StateManagement(
+ emf, dep);
+ if (!depStateManager.getOpState().equals(
+ StateManagement.DISABLED)) {
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Forward progress not detected for dependent resource {}. Setting dependent's state to disable failed.",
+ dep);
}
+ depStateManager.disableFailed();
+ }
} catch (Exception e) {
// ignore errors
- logger.error("Update dependent state failed with exception: ", e);
+ logger.error(
+ "Update dependent state failed with exception: ",
+ e);
}
}
} else {
// resource entry not found in FPC table
- error_msg = dep + ": resource not found in ForwardProgressEntity table in the DB";
+ error_msg = dep
+ + ": resource not found in ForwardProgressEntity table in the DB";
logger.error("{}", error_msg);
}
- synchronized(IMFLUSHLOCK){
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
} catch (Exception e) {
// log an error and continue
- error_msg = dep + ": ForwardProgressEntity DB read failed with exception: ";
+ error_msg = dep
+ + ": ForwardProgressEntity DB read failed with exception: ";
logger.error("{}", error_msg, e);
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.rollback();
}
}
}
-
+
return error_msg;
}
-
- public ArrayList<ForwardProgressEntity> getAllForwardProgressEntity(){
- if(logger.isDebugEnabled()){
+
+ public ArrayList<ForwardProgressEntity> getAllForwardProgressEntity() {
+ if (logger.isDebugEnabled()) {
logger.debug("getAllForwardProgressEntity: entry");
}
ArrayList<ForwardProgressEntity> fpList = new ArrayList<>();
@@ -711,27 +846,31 @@ public class IntegrityMonitor {
EntityTransaction et = em.getTransaction();
et.begin();
try {
- Query fquery = em.createQuery("Select e from ForwardProgressEntity e");
+ Query fquery = em
+ .createQuery("Select e from ForwardProgressEntity e");
@SuppressWarnings("rawtypes")
- List myList = fquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
- synchronized(IMFLUSHLOCK){
+ List myList = fquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
- if(logger.isDebugEnabled()){
- logger.debug("getAllForwardProgressEntity: myList.size(): {}", myList.size());
- }
- if(!myList.isEmpty()){
- for(int i = 0; i < myList.size(); i++){
- if(logger.isDebugEnabled()){
- logger.debug("getAllForwardProgressEntity: myList.get({}).getResourceName(): {}",i,
- ((ForwardProgressEntity)myList.get(i)).getResourceName());
+ if (logger.isDebugEnabled()) {
+ logger.debug("getAllForwardProgressEntity: myList.size(): {}",
+ myList.size());
+ }
+ if (!myList.isEmpty()) {
+ for (int i = 0; i < myList.size(); i++) {
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "getAllForwardProgressEntity: myList.get({}).getResourceName(): {}",
+ i, ((ForwardProgressEntity) myList.get(i))
+ .getResourceName());
}
fpList.add((ForwardProgressEntity) myList.get(i));
}
}
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.commit();
}
}
@@ -739,19 +878,20 @@ public class IntegrityMonitor {
// log an error and continue
String msg = "getAllForwardProgessEntity DB read failed with exception: ";
logger.error("{}", msg, e);
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.rollback();
}
}
}
return fpList;
}
-
-
+
private String jmxCheck(String dep) {
- if(logger.isDebugEnabled()){
- logger.debug("checking health of dependent by calling test() via JMX on resource: {}", dep);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "checking health of dependent by calling test() via JMX on resource: {}",
+ dep);
}
String error_msg = null;
@@ -763,57 +903,65 @@ public class IntegrityMonitor {
et.begin();
try {
// query if ResourceRegistration entry exists for resourceName
- Query rquery = em.createQuery("Select r from ResourceRegistrationEntity r where r.resourceName=:rn");
+ Query rquery = em
+ .createQuery("Select r from ResourceRegistrationEntity r where r.resourceName=:rn");
rquery.setParameter("rn", dep);
@SuppressWarnings("rawtypes")
- List rrList = rquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
+ List rrList = rquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
ResourceRegistrationEntity rrx = null;
if (!rrList.isEmpty()) {
- //ignores multiple results
+ // ignores multiple results
rrx = (ResourceRegistrationEntity) rrList.get(0);
// refresh the object from DB in case cached data was returned
- em.refresh(rrx);
+ em.refresh(rrx);
jmxUrl = rrx.getResourceUrl();
- if(logger.isDebugEnabled()){
- logger.debug("Dependent Resource={}, url={}, createdDate={}", dep, jmxUrl, rrx.getCreatedDate());
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Dependent Resource={}, url={}, createdDate={}",
+ dep, jmxUrl, rrx.getCreatedDate());
}
} else {
- error_msg = dep + ": resource not found in ResourceRegistrationEntity table in the DB";
+ error_msg = dep
+ + ": resource not found in ResourceRegistrationEntity table in the DB";
logger.error("{}", error_msg);
}
- synchronized(IMFLUSHLOCK){
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
} catch (Exception e) {
- error_msg = dep + ": ResourceRegistrationEntity DB read failed with exception: ";
+ error_msg = dep
+ + ": ResourceRegistrationEntity DB read failed with exception: ";
logger.error("{}", error_msg, e);
- synchronized(IMFLUSHLOCK){
- if(et.isActive()){
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
et.rollback();
}
}
}
-
if (jmxUrl != null) {
JmxAgentConnection jmxAgentConnection = null;
try {
jmxAgentConnection = new JmxAgentConnection(jmxUrl);
- MBeanServerConnection mbeanServer = jmxAgentConnection.getMBeanConnection();
- ComponentAdminMBean admin = JMX.newMXBeanProxy(mbeanServer, ComponentAdmin.getObjectName(dep),
+ MBeanServerConnection mbeanServer = jmxAgentConnection
+ .getMBeanConnection();
+ ComponentAdminMBean admin = JMX.newMXBeanProxy(mbeanServer,
+ ComponentAdmin.getObjectName(dep),
ComponentAdminMBean.class);
// invoke the test method via the jmx proxy
admin.test();
- if(logger.isDebugEnabled()){
- logger.debug("Dependent resource {} sanity test passed", dep);
+ if (logger.isDebugEnabled()) {
+ logger.debug("Dependent resource {} sanity test passed",
+ dep);
}
} catch (Exception e) {
- error_msg = dep + ": resource sanity test failed with exception: ";
+ error_msg = dep
+ + ": resource sanity test failed with exception: ";
logger.error("{}", error_msg, e);
} finally {
// close the JMX connector
@@ -825,46 +973,53 @@ public class IntegrityMonitor {
return error_msg;
}
-
- private String dependencyCheck() {
- if(logger.isDebugEnabled()){
- logger.debug("dependencyCheck: entry - checking health of dependent groups and setting resource's state");
+
+ public String dependencyCheck() {
+ if (logger.isDebugEnabled()) {
+ logger.debug("dependencyCheck: entry");
}
- synchronized(dependencyCheckLock){
+ synchronized (dependencyCheckLock) {
// Start with the error message empty
String error_msg = "";
boolean dependencyFailure = false;
-
+
/*
* Before we check dependency groups we need to check subsystemTest.
*/
try {
- //Test any subsystems that are not covered under the dependency relationship
+ // Test any subsystems that are not covered under the dependency
+ // relationship
subsystemTest();
- }catch (Exception e){
+ } catch (Exception e) {
logger.error("IntegrityMonitor threw exception", e);
- dependencyFailure=true;
- //This indicates a subsystemTest failure
+ dependencyFailure = true;
+ // This indicates a subsystemTest failure
try {
- if(logger.isDebugEnabled()){
- logger.debug("{}: There has been a subsystemTest failure with error:{} Updating this resource's state to disableDependency", resourceName, e.getMessage());
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "{}: There has been a subsystemTest failure with error:{} Updating this resource's state to disableDependency",
+ resourceName, e.getMessage());
}
- //Capture the subsystemTest failure info
- if(!error_msg.isEmpty()){
+ // Capture the subsystemTest failure info
+ if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(",");
}
- error_msg = error_msg.concat(resourceName + ": " + e.getMessage());
+ error_msg = error_msg.concat(resourceName + ": "
+ + e.getMessage());
this.stateManager.disableDependency();
} catch (Exception ex) {
logger.error("IntegrityMonitor threw exception.", ex);
if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(",");
}
- error_msg = error_msg.concat("\n" + resourceName + ": Failed to disable dependency after subsystemTest failure due to: " + ex.getMessage());
- }
+ error_msg = error_msg
+ .concat("\n"
+ + resourceName
+ + ": Failed to disable dependency after subsystemTest failure due to: "
+ + ex.getMessage());
+ }
}
-
// Check the sanity of dependents for lead subcomponents
if (dep_groups != null && dep_groups.length > 0) {
@@ -875,9 +1030,10 @@ public class IntegrityMonitor {
// ignore empty group
continue;
}
- String [] dependencies = group.split(",");
- if(logger.isDebugEnabled()){
- logger.debug("group dependencies = {}", Arrays.toString(dependencies));
+ String[] dependencies = group.split(",");
+ if (logger.isDebugEnabled()) {
+ logger.debug("group dependencies = {}",
+ Arrays.toString(dependencies));
}
int real_dep_count = 0;
int fail_dep_count = 0;
@@ -887,8 +1043,12 @@ public class IntegrityMonitor {
// ignore empty dependency
continue;
}
- real_dep_count++; // this is a valid dependency whose state is tracked
- String fail_msg = fpCheck(dep); // if a resource is down, its FP count will not be incremented
+ real_dep_count++; // this is a valid dependency whose
+ // state is tracked
+ String fail_msg = fpCheck(dep); // if a resource is
+ // down, its FP count
+ // will not be
+ // incremented
if (fail_msg == null) {
if (testViaJmx) {
fail_msg = jmxCheck(dep);
@@ -901,51 +1061,50 @@ public class IntegrityMonitor {
if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(", ");
}
- error_msg = error_msg.concat(fail_msg);
+ error_msg = error_msg.concat(fail_msg);
}
- }// end for (String dep : dependencies)
+ }// end for (String dep : dependencies)
- // if all dependencies in a group are failed, set this resource's state to disable dependency
- if ((real_dep_count > 0) && (fail_dep_count == real_dep_count)) {
- dependencyFailure=true;
+ // if all dependencies in a group are failed, set this
+ // resource's state to disable dependency
+ if ((real_dep_count > 0)
+ && (fail_dep_count == real_dep_count)) {
+ dependencyFailure = true;
try {
if(logger.isDebugEnabled()){
logger.debug("All dependents in group {} have failed their health check. Updating this resource's state to disableDependency", group);
- }
- if( !( (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
+ }
+ if(stateManager.getAvailStatus()== null || !( (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
(stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY_FAILED) ) ){
// Note: redundant calls are made by refreshStateAudit
this.stateManager.disableDependency();
- }else //corruption has occurred - This will not be corrected by the refreshStateAudit
- if(!(stateManager.getOpState()).equals(StateManagement.DISABLED)){
- // Note: redundant calls are made by refreshStateAudit
- this.stateManager.disableDependency();
- }
+ }
} catch (Exception e) {
logger.error("IntegrityMonitor threw exception.", e);
if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(",");
}
- error_msg = error_msg.concat(resourceName + ": Failed to disable dependency");
- break; // break out on failure and skip checking other groups
+ error_msg = error_msg.concat(resourceName
+ + ": Failed to disable dependency");
+ break; // break out on failure and skip checking
+ // other groups
}
}
- //check the next group
+ // check the next group
- }//end for (String group : dep_groups)
-
+ }// end for (String group : dep_groups)
/*
- * We have checked all the dependency groups. If all are ok and subsystemTest passed,
- * dependencyFailure == false
+ * We have checked all the dependency groups. If all are ok and
+ * subsystemTest passed, dependencyFailure == false
*/
- if(!dependencyFailure){
+ if (!dependencyFailure) {
try {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("All dependency groups have at least one viable member. Updating this resource's state to enableNoDependency");
}
- if( (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
- (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY_FAILED) ){
+ if(stateManager.getAvailStatus() != null && ((stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
+ (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY_FAILED)) ){
// Note: redundant calls are made by refreshStateAudit
this.stateManager.enableNoDependency();
} // The refreshStateAudit will catch the case where it is disabled but availStatus != failed
@@ -954,320 +1113,425 @@ public class IntegrityMonitor {
if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(",");
}
- error_msg = error_msg.concat(resourceName + ": Failed to enable no dependency");
+ error_msg = error_msg.concat(resourceName
+ + ": Failed to enable no dependency");
}
}
- }else if(!dependencyFailure){
+ } else if (!dependencyFailure) {
/*
- * This is put here to clean up when no dependency group should exist, but one was erroneously
- * added which caused the state to be disabled/dependency/coldstandby and later removed. We saw
- * this happen in the lab, but is not very likely in a production environment...but you never know.
+ * This is put here to clean up when no dependency group should
+ * exist, but one was erroneously added which caused the state
+ * to be disabled/dependency/coldstandby and later removed. We
+ * saw this happen in the lab, but is not very likely in a
+ * production environment...but you never know.
*/
try {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("There are no dependents. Updating this resource's state to enableNoDependency");
}
- if( (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
- (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY_FAILED) ){
+ if(stateManager.getAvailStatus() != null && ((stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY) ||
+ (stateManager.getAvailStatus()).equals(StateManagement.DEPENDENCY_FAILED)) ){
// Note: redundant calls are made by refreshStateAudit
- this.stateManager.enableNoDependency();
- }// The refreshStateAudit will catch the case where it is disabled but availStatus != failed
+ this.stateManager.enableNoDependency();
+ }// The refreshStateAudit will catch the case where it is
+ // disabled but availStatus != failed
} catch (Exception e) {
logger.error("IntegrityMonitor threw exception.", e);
if (!error_msg.isEmpty()) {
error_msg = error_msg.concat(",");
}
- error_msg = error_msg.concat(resourceName + ": Failed to enable no dependency");
+ error_msg = error_msg.concat(resourceName
+ + ": Failed to enable no dependency");
}
}
-
-
if (!error_msg.isEmpty()) {
- logger.error("Sanity failure detected in a dependent resource: {}", error_msg);
+ logger.error(
+ "Sanity failure detected in a dependent resource: {}",
+ error_msg);
}
-
+
dependencyCheckErrorMsg = error_msg;
lastDependencyCheckTime = System.currentTimeMillis();
+ if (logger.isDebugEnabled()) {
+ logger.debug("dependencyCheck: exit");
+ }
return error_msg;
}
}
-
+
/**
* Execute a test transaction. It is called when the test transaction timer fires.
* It could be overridden to provide additional test functionality. If overridden,
- * the overriding method must invoke startTransaction() and endTransaction()
+ * the overriding method must invoke startTransaction() and endTransaction() and
+ * check if the allNotWellMap is empty.
*/
public void testTransaction() {
synchronized (testTransactionLock){
if(logger.isDebugEnabled()){
- logger.debug("testTransaction called...");
+ logger.debug("testTransaction: entry");
}
-
//
// startTransaction() not required for testTransaction
- //
+ //
// end transaction - increments local FP counter
endTransaction();
}
}
-
+
/**
- * Additional testing for subsystems that do not have a /test interface (for ex. 3rd party
- * processes like elk). This method would be overridden by the subsystem.
+ * Additional testing for subsystems that do not have a /test interface (for
+ * ex. 3rd party processes like elk). This method would be overridden by the
+ * subsystem.
*/
public void subsystemTest() throws IntegrityMonitorException {
// Testing provided by subsystem
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("IntegrityMonitor subsystemTest() OK");
}
}
-
+
/**
- * Checks admin state and resets transaction timer.
- * Called by application at the start of a transaction.
- * @throws AdministrativeStateException throws admin state exception if resource is locked
- * @throws StandbyStatusException
+ * Checks admin state and resets transaction timer. Called by application at
+ * the start of a transaction.
+ *
+ * @throws AdministrativeStateException
+ * throws admin state exception if resource is locked
+ * @throws StandbyStatusException
*/
- public void startTransaction() throws AdministrativeStateException, StandbyStatusException {
+ public void startTransaction() throws AdministrativeStateException,
+ StandbyStatusException {
- synchronized(startTransactionLock){
+ synchronized (startTransactionLock) {
// check admin state and throw exception if locked
- if ((stateManager.getAdminState() != null) && stateManager.getAdminState().equals(StateManagement.LOCKED)) {
- String msg = "Resource " + resourceName + " is administratively locked";
+ if ((stateManager.getAdminState() != null)
+ && stateManager.getAdminState().equals(
+ StateManagement.LOCKED)) {
+ String msg = "Resource " + resourceName
+ + " is administratively locked";
- throw new AdministrativeStateException("IntegrityMonitor Admin State Exception: " + msg);
+ throw new AdministrativeStateException(
+ "IntegrityMonitor Admin State Exception: " + msg);
}
// check standby state and throw exception if locked
- if ((stateManager.getStandbyStatus() != null) &&
- (stateManager.getStandbyStatus().equals(StateManagement.HOT_STANDBY) ||
- stateManager.getStandbyStatus().equals(StateManagement.COLD_STANDBY))){
+ if ((stateManager.getStandbyStatus() != null)
+ && (stateManager.getStandbyStatus().equals(
+ StateManagement.HOT_STANDBY) || stateManager
+ .getStandbyStatus().equals(
+ StateManagement.COLD_STANDBY))) {
String msg = "Resource " + resourceName + " is standby";
- throw new StandbyStatusException("IntegrityMonitor Standby Status Exception: " + msg);
+ throw new StandbyStatusException(
+ "IntegrityMonitor Standby Status Exception: " + msg);
}
// reset transactionTimer so it will not fire
elapsedTestTransTime = 0;
}
}
-
+
/**
- * Increment the local forward progress counter. Called by application at the
- * end of each transaction (successful or not).
+ * Increment the local forward progress counter. Called by application at
+ * the end of each transaction (successful or not).
*/
public void endTransaction() {
synchronized(endTransactionLock){
+ if(getAllNotWellMap() != null){
+ if(!(getAllNotWellMap().isEmpty())){
+ /*
+ * An entity has reported that it is not well. We must not
+ * allow the the forward progress counter to advance.
+ */
+ String msg = "allNotWellMap:";
+ for(String key: allNotWellMap.keySet()){
+ msg = msg.concat("\nkey = " + key + " msg = " + allNotWellMap.get(key));
+ }
+ logger.error("endTransaction: allNotWellMap is NOT EMPTY. Not advancing forward"
+ + "progress counter. \n{}\n", msg);
+ return;
+ }else{
+ if(logger.isDebugEnabled()){
+ if(getAllSeemsWellMap() != null){
+ if(!(getAllSeemsWellMap().isEmpty())){
+ String msg = "allSeemsWellMap:";
+ for(String key: allSeemsWellMap.keySet()){
+ msg = msg.concat("\nkey = " + key + " msg = " + allSeemsWellMap.get(key));
+ }
+ logger.debug("endTransaction: allNotWellMap IS EMPTY and allSeemsWellMap is NOT EMPTY. Advancing forward"
+ + "progress counter. \n{}\n", msg);
+ }
+ }
+ }
+ }
+ }
// increment local FPC
fpCounter++;
}
}
-
+
// update FP count in DB with local FP count
private void writeFpc() throws IntegrityMonitorException {
-
+
// Start a transaction
EntityTransaction et = em.getTransaction();
- if(!et.isActive()){
+ if (!et.isActive()) {
et.begin();
}
try {
// query if ForwardProgress entry exists for resourceName
- Query fquery = em.createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
+ Query fquery = em
+ .createQuery("Select f from ForwardProgressEntity f where f.resourceName=:rn");
fquery.setParameter("rn", resourceName);
@SuppressWarnings("rawtypes")
- List fpList = fquery.setLockMode(
- LockModeType.NONE).setFlushMode(FlushModeType.COMMIT).getResultList();
+ List fpList = fquery.setLockMode(LockModeType.NONE)
+ .setFlushMode(FlushModeType.COMMIT).getResultList();
ForwardProgressEntity fpx;
- if(!fpList.isEmpty()) {
- //ignores multiple results
+ if (!fpList.isEmpty()) {
+ // ignores multiple results
fpx = (ForwardProgressEntity) fpList.get(0);
// refresh the object from DB in case cached data was returned
- em.refresh(fpx);
- if(logger.isDebugEnabled()){
- logger.debug("Updating FP entry: Resource={}, fpcCount={}, lastUpdated={}, new fpcCount={}",
- resourceName,
- fpx.getFpcCount(),
- fpx.getLastUpdated(),
- fpCounter);
- }
+ em.refresh(fpx);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Updating FP entry: Resource={}, fpcCount={}, lastUpdated={}, new fpcCount={}",
+ resourceName, fpx.getFpcCount(),
+ fpx.getLastUpdated(), fpCounter);
+ }
fpx.setFpcCount(fpCounter);
em.persist(fpx);
// flush to the DB and commit
- synchronized(IMFLUSHLOCK){
+ synchronized (IMFLUSHLOCK) {
et.commit();
}
- }
- else {
+ } else {
// Error - FP entry does not exist
- String msg = "FP entry not found in database for resource " + resourceName;
+ String msg = "FP entry not found in database for resource "
+ + resourceName;
throw new IntegrityMonitorException(msg);
}
- } catch (Exception e) {
- try {
- synchronized(IMFLUSHLOCK){
- if (et.isActive()) {
- et.rollback();
- }
- }
- } catch (Exception e1) {
- logger.error("IntegrityMonitor threw exception.", e1);
- }
- logger.error("writeFpc DB table commit failed with exception: {}", e);
- throw e;
- }
+ } catch (Exception e) {
+ try {
+ synchronized (IMFLUSHLOCK) {
+ if (et.isActive()) {
+ et.rollback();
+ }
+ }
+ } catch (Exception e1) {
+ logger.error("IntegrityMonitor threw exception.", e1);
+ }
+ logger.error("writeFpc DB table commit failed with exception: {}",
+ e);
+ throw e;
+ }
}
-
+
// retrieve state manager reference
public final StateManagement getStateManager() {
return this.stateManager;
}
-
+
/**
* Read and validate properties
- * @throws Exception
+ *
+ * @throws Exception
*/
- private static void validateProperties(Properties prop) throws IntegrityMonitorPropertiesException {
-
- if (prop.getProperty(IntegrityMonitorProperties.DB_DRIVER)== null){
- String msg = IntegrityMonitorProperties.DB_DRIVER + " property is null";
+ private static void validateProperties(Properties prop)
+ throws IntegrityMonitorPropertiesException {
+
+ if (prop.getProperty(IntegrityMonitorProperties.DB_DRIVER) == null) {
+ String msg = IntegrityMonitorProperties.DB_DRIVER
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
}
-
- if (prop.getProperty(IntegrityMonitorProperties.DB_URL)== null){
- String msg = IntegrityMonitorProperties.DB_URL + " property is null";
+
+ if (prop.getProperty(IntegrityMonitorProperties.DB_URL) == null) {
+ String msg = IntegrityMonitorProperties.DB_URL
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
}
-
- if (prop.getProperty(IntegrityMonitorProperties.DB_USER)== null){
- String msg = IntegrityMonitorProperties.DB_USER + " property is null";
+
+ if (prop.getProperty(IntegrityMonitorProperties.DB_USER) == null) {
+ String msg = IntegrityMonitorProperties.DB_USER
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
}
-
- if (prop.getProperty(IntegrityMonitorProperties.DB_PWD)== null){
- String msg = IntegrityMonitorProperties.DB_PWD + " property is null";
+
+ if (prop.getProperty(IntegrityMonitorProperties.DB_PWD) == null) {
+ String msg = IntegrityMonitorProperties.DB_PWD
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
}
-
+
if (prop.getProperty(IntegrityMonitorProperties.FP_MONITOR_INTERVAL) != null) {
try {
- monitorInterval = Integer.parseInt(prop.getProperty(IntegrityMonitorProperties.FP_MONITOR_INTERVAL).trim());
+ monitorInterval = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.FP_MONITOR_INTERVAL).trim());
} catch (NumberFormatException e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.FP_MONITOR_INTERVAL, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.FP_MONITOR_INTERVAL, e);
}
}
-
+
if (prop.getProperty(IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD) != null) {
try {
- failedCounterThreshold = Integer.parseInt(prop.getProperty(IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD).trim());
+ failedCounterThreshold = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD)
+ .trim());
} catch (NumberFormatException e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.FAILED_COUNTER_THRESHOLD, e);
}
}
-
+
if (prop.getProperty(IntegrityMonitorProperties.TEST_TRANS_INTERVAL) != null) {
try {
- testTransInterval = Integer.parseInt(prop.getProperty(IntegrityMonitorProperties.TEST_TRANS_INTERVAL).trim());
+ testTransInterval = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.TEST_TRANS_INTERVAL).trim());
} catch (NumberFormatException e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.TEST_TRANS_INTERVAL, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.TEST_TRANS_INTERVAL, e);
}
}
-
+
if (prop.getProperty(IntegrityMonitorProperties.WRITE_FPC_INTERVAL) != null) {
try {
- writeFpcInterval = Integer.parseInt(prop.getProperty(IntegrityMonitorProperties.WRITE_FPC_INTERVAL).trim());
+ writeFpcInterval = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.WRITE_FPC_INTERVAL).trim());
} catch (NumberFormatException e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.WRITE_FPC_INTERVAL, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.WRITE_FPC_INTERVAL, e);
}
}
-
+
+ if (prop.getProperty(IntegrityMonitorProperties.CHECK_DEPENDENCY_INTERVAL) != null) {
+ try {
+ checkDependencyInterval = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.CHECK_DEPENDENCY_INTERVAL).trim());
+ } catch (NumberFormatException e) {
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.CHECK_DEPENDENCY_INTERVAL, e);
+ }
+ }
+
// dependency_groups are a semi-colon separated list of groups
// each group is a comma separated list of resource names
- // For ex. dependency_groups = site_1.pap_1,site_1.pap_2 ; site_1.pdp_1, site_1.pdp_2
+ // For ex. dependency_groups = site_1.pap_1,site_1.pap_2 ; site_1.pdp_1,
+ // site_1.pdp_2
if (prop.getProperty(IntegrityMonitorProperties.DEPENDENCY_GROUPS) != null) {
try {
- dep_groups = prop.getProperty(IntegrityMonitorProperties.DEPENDENCY_GROUPS).split(";");
- if(logger.isDebugEnabled()){
- logger.debug("dependency groups property = {}", Arrays.toString(dep_groups));
+ dep_groups = prop.getProperty(
+ IntegrityMonitorProperties.DEPENDENCY_GROUPS)
+ .split(";");
+ if (logger.isDebugEnabled()) {
+ logger.debug("dependency groups property = {}",
+ Arrays.toString(dep_groups));
}
} catch (Exception e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.DEPENDENCY_GROUPS, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.DEPENDENCY_GROUPS, e);
}
}
-
+
site_name = prop.getProperty(IntegrityMonitorProperties.SITE_NAME);
if (site_name == null) {
- String msg = IntegrityMonitorProperties.SITE_NAME + " property is null";
+ String msg = IntegrityMonitorProperties.SITE_NAME
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
- }else{
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
+ } else {
site_name = site_name.trim();
}
-
+
node_type = prop.getProperty(IntegrityMonitorProperties.NODE_TYPE);
if (node_type == null) {
- String msg = IntegrityMonitorProperties.NODE_TYPE + " property is null";
+ String msg = IntegrityMonitorProperties.NODE_TYPE
+ + " property is null";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
} else {
node_type = node_type.trim();
if (!isNodeTypeEnum(node_type)) {
- String msg = IntegrityMonitorProperties.NODE_TYPE + " property " + node_type + " is invalid";
+ String msg = IntegrityMonitorProperties.NODE_TYPE
+ + " property " + node_type + " is invalid";
logger.error("{}", msg);
- throw new IntegrityMonitorPropertiesException("IntegrityMonitor Property Exception: " + msg);
+ throw new IntegrityMonitorPropertiesException(
+ "IntegrityMonitor Property Exception: " + msg);
}
}
-
+
if (prop.getProperty(IntegrityMonitorProperties.TEST_VIA_JMX) != null) {
- String jmx_test = prop.getProperty(IntegrityMonitorProperties.TEST_VIA_JMX).trim();
+ String jmx_test = prop.getProperty(
+ IntegrityMonitorProperties.TEST_VIA_JMX).trim();
testViaJmx = Boolean.parseBoolean(jmx_test);
}
if (prop.getProperty(IntegrityMonitorProperties.JMX_FQDN) != null) {
- jmxFqdn = prop.getProperty(IntegrityMonitorProperties.JMX_FQDN).trim();
+ jmxFqdn = prop.getProperty(IntegrityMonitorProperties.JMX_FQDN)
+ .trim();
if (jmxFqdn.isEmpty()) {
jmxFqdn = null;
}
}
-
if (prop.getProperty(IntegrityMonitorProperties.MAX_FPC_UPDATE_INTERVAL) != null) {
try {
- maxFpcUpdateInterval = Integer.parseInt(prop.getProperty(IntegrityMonitorProperties.MAX_FPC_UPDATE_INTERVAL).trim());
+ maxFpcUpdateInterval = Integer.parseInt(prop.getProperty(
+ IntegrityMonitorProperties.MAX_FPC_UPDATE_INTERVAL)
+ .trim());
} catch (NumberFormatException e) {
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.MAX_FPC_UPDATE_INTERVAL, e);
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.MAX_FPC_UPDATE_INTERVAL, e);
}
}
-
- if (prop.getProperty(IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS) != null){
- try{
- stateAuditIntervalMs = Long.parseLong(prop.getProperty(IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS));
- }catch(NumberFormatException e){
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS, e);
+
+ if (prop.getProperty(IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS) != null) {
+ try {
+ stateAuditIntervalMs = Long
+ .parseLong(prop
+ .getProperty(IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS));
+ } catch (NumberFormatException e) {
+ logger.warn("Ignored invalid property: {}",
+ IntegrityMonitorProperties.STATE_AUDIT_INTERVAL_MS, e);
}
}
-
- if (prop.getProperty(IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS) != null){
- try{
- refreshStateAuditIntervalMs = Long.parseLong(prop.getProperty(IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS));
- }catch(NumberFormatException e){
- logger.warn("Ignored invalid property: {}", IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS, e);
+
+ if (prop.getProperty(IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS) != null) {
+ try {
+ refreshStateAuditIntervalMs = Long
+ .parseLong(prop
+ .getProperty(IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS));
+ } catch (NumberFormatException e) {
+ logger.warn(
+ "Ignored invalid property: {}",
+ IntegrityMonitorProperties.REFRESH_STATE_AUDIT_INTERVAL_MS,
+ e);
}
}
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.validateProperties(): Property values \n"
+ + "maxFpcUpdateInterval = {}\n", maxFpcUpdateInterval);
+ }
+
return;
}
-
+
public static void updateProperties(Properties newprop) {
if (isUnitTesting()) {
try {
@@ -1275,14 +1539,13 @@ public class IntegrityMonitor {
} catch (IntegrityMonitorPropertiesException e) {
logger.error("IntegrityMonitor threw exception.", e);
}
- }
- else {
- if(logger.isDebugEnabled()){
+ } else {
+ if (logger.isDebugEnabled()) {
logger.debug("Update integrity monitor properties not allowed");
}
}
}
-
+
private static boolean isNodeTypeEnum(String nodeType) {
for (NodeType n : NodeType.values()) {
if (n.toString().equals(nodeType)) {
@@ -1291,40 +1554,52 @@ public class IntegrityMonitor {
}
return false;
}
-
+
/**
- * Look for "Forward Progress" -- if the 'FPMonitor' is stalled
- * for too long, the operational state is changed to 'Disabled',
- * and an alarm is set. The state is restored when forward
- * progress continues.
+ * Look for "Forward Progress" -- if the 'FPMonitor' is stalled for too
+ * long, the operational state is changed to 'Disabled', and an alarm is
+ * set. The state is restored when forward progress continues.
*/
private void fpMonitorCycle() {
- synchronized(fpMonitorCycleLock){
+ if(logger.isDebugEnabled()){
+ logger.debug("fpMonitorCycle(): entry");
+ }
+ synchronized (fpMonitorCycleLock) {
// monitoring interval checks
if (monitorInterval <= 0) {
+ if(logger.isDebugEnabled()){
+ logger.debug("fpMonitorCycle(): disabled");
+ }
elapsedTime = 0;
return; // monitoring is disabled
}
- elapsedTime = elapsedTime + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
+ elapsedTime = elapsedTime
+ + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
if (elapsedTime < monitorInterval) {
- return; // monitoring interval not reached
+ return; // monitoring interval not reached
}
- elapsedTime = 0; // reset elapsed time
+ elapsedTime = 0; // reset elapsed time
try {
if (fpCounter == lastFpCounter) {
// no forward progress
missedCycles += 1;
if (missedCycles >= failedCounterThreshold && !alarmExists) {
- if(logger.isDebugEnabled()){
- logger.debug("Forward progress not detected for resource {}. Setting state to disable failed.", resourceName);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Forward progress not detected for resource {}. Setting state to disable failed.",
+ resourceName);
}
- if(!(stateManager.getOpState()).equals(StateManagement.DISABLED)){
- // Note: The refreshStateAudit will make redundant calls
+ if (!(stateManager.getOpState())
+ .equals(StateManagement.DISABLED)) {
+ // Note: The refreshStateAudit will make redundant
+ // calls
stateManager.disableFailed();
- }// The refreshStateAudit will catch the case where opStat = disabled and availState ! failed/dependency.failed
+ }// The refreshStateAudit will catch the case where
+ // opStat = disabled and availState !
+ // failed/dependency.failed
alarmExists = true;
}
} else {
@@ -1332,13 +1607,17 @@ public class IntegrityMonitor {
lastFpCounter = fpCounter;
missedCycles = 0;
// set op state to enabled
- if(logger.isDebugEnabled()){
- logger.debug("Forward progress detected for resource {}. Setting state to enable not failed.", resourceName);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Forward progress detected for resource {}. Setting state to enable not failed.",
+ resourceName);
}
- if(!(stateManager.getOpState()).equals(StateManagement.ENABLED)){
+ if (!(stateManager.getOpState())
+ .equals(StateManagement.ENABLED)) {
// Note: The refreshStateAudit will make redundant calls
- stateManager.enableNotFailed();
- }// The refreshStateAudit will catch the case where opState=enabled and availStatus != null
+ stateManager.enableNotFailed();
+ }// The refreshStateAudit will catch the case where
+ // opState=enabled and availStatus != null
alarmExists = false;
}
} catch (Exception e) {
@@ -1346,28 +1625,46 @@ public class IntegrityMonitor {
logger.error("FP Monitor encountered error. ", e);
}
}
+ if(logger.isDebugEnabled()){
+ logger.debug("fpMonitorCycle(): exit");
+ }
}
-
+
/**
- * Look for "Forward Progress" on other nodes. If they are not making forward progress,
- * check their operational state. If it is not disabled, then disable them.
+ * Look for "Forward Progress" on other nodes. If they are not making
+ * forward progress, check their operational state. If it is not disabled,
+ * then disable them.
*/
- public void stateAudit() {
-
+ private void stateAudit() {
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): entry");
+ }
if (stateAuditIntervalMs <= 0) {
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): disabled");
+ }
return; // stateAudit is disabled
}
//Only run from nodes that are operational
if(stateManager.getOpState().equals(StateManagement.DISABLED)){
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): DISABLED. returning");
+ }
return;
}
if(stateManager.getAdminState().equals(StateManagement.LOCKED)){
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): LOCKED. returning");
+ }
return;
}
if(!stateManager.getStandbyStatus().equals(StateManagement.NULL_VALUE) &&
stateManager.getStandbyStatus()!= null){
if(!stateManager.getStandbyStatus().equals(StateManagement.PROVIDING_SERVICE)){
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): NOT PROVIDING_SERVICE. returning");
+ }
return;
}
}
@@ -1375,8 +1672,26 @@ public class IntegrityMonitor {
Date date = new Date();
long timeSinceLastStateAudit = date.getTime() - lastStateAuditTime.getTime();
if (timeSinceLastStateAudit < stateAuditIntervalMs){
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): Not time to run. returning");
+ }
return;
}
+
+ executeStateAudit();
+
+ lastStateAuditTime = date;
+
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.stateAudit(): exit");
+ }
+ }// end stateAudit()
+
+ public void executeStateAudit(){
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.executeStateAudit(): entry");
+ }
+ Date date = new Date();
// Get all entries in the forwardprogressentity table
ArrayList<ForwardProgressEntity> fpList = getAllForwardProgressEntity();
@@ -1391,18 +1706,21 @@ public class IntegrityMonitor {
em.refresh(fpe);
long diffMs = date.getTime() - fpe.getLastUpdated().getTime();
if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateAudit(): diffMs = {}", diffMs);
+ logger.debug("IntegrityMonitor.executeStateAudit(): resource = {}, diffMs = {}", fpe.getResourceName(), diffMs);
}
//Threshold for a stale entry
- long staleMs = maxFpcUpdateInterval * (long)1000;
+ long staleMs = 1000L * maxFpcUpdateInterval;
if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateAudit(): staleMs = {}", staleMs);
+ logger.debug("IntegrityMonitor.executeStateAudit(): resource = {}, staleMs = {}", fpe.getResourceName(), staleMs);
}
if(diffMs > staleMs){
//ForwardProgress is stale. Disable it
// Start a transaction
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.executeStateAudit(): resource = {}, FPC is stale. Disabling it" );
+ }
EntityTransaction et = em.getTransaction();
et.begin();
StateManagementEntity sme = null;
@@ -1420,10 +1738,10 @@ public class IntegrityMonitor {
// refresh the object from DB in case cached data was returned
em.refresh(sme);
if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateAudit(): Found entry in StateManagementEntity table for Resource={}", sme.getResourceName());
+ logger.debug("IntegrityMonitor.executeStateAudit(): Found entry in StateManagementEntity table for Resource={}", sme.getResourceName());
}
} else {
- String msg = "IntegrityMonitor.stateAudit(): " + fpe.getResourceName() + ": resource not found in state management entity database table";
+ String msg = "IntegrityMonitor.executeStateAudit(): " + fpe.getResourceName() + ": resource not found in state management entity database table";
logger.error("{}", msg);
}
synchronized(IMFLUSHLOCK){
@@ -1431,7 +1749,7 @@ public class IntegrityMonitor {
}
} catch (Exception e) {
// log an error
- logger.error("IntegrityMonitor.stateAudit(): {}: StateManagementEntity DB read failed with exception: ", fpe.getResourceName(), e);
+ logger.error("IntegrityMonitor.executeStateAudit(): {}: StateManagementEntity DB read failed with exception: ", fpe.getResourceName(), e);
synchronized(IMFLUSHLOCK){
if(et.isActive()){
et.rollback();
@@ -1441,62 +1759,81 @@ public class IntegrityMonitor {
if(sme != null && !sme.getOpState().equals(StateManagement.DISABLED)){
if(logger.isDebugEnabled()){
- logger.debug("IntegrityMonitor.stateAudit(): Changing OpStat = disabled for {}", sme.getResourceName());
+ logger.debug("IntegrityMonitor.executeStateAudit(): Changing OpStat = disabled for {}", sme.getResourceName());
}
try {
stateManager.disableFailed(sme.getResourceName());
} catch (Exception e) {
- String msg = "IntegrityMonitor.stateAudit(): Failed to disable " + sme.getResourceName();
+ String msg = "IntegrityMonitor.executeStateAudit(): Failed to disable " + sme.getResourceName();
logger.error("{}", msg, e);
}
}
}// end if(diffMs > staleMs)
}// end for(ForwardProgressEntity fpe : fpList)
- lastStateAuditTime = date;
- }// end stateAudit()
+ if(logger.isDebugEnabled()){
+ logger.debug("IntegrityMonitor.executeStateAudit(): exit");
+ }
+ }
/**
* Execute a test transaction when test transaction interval has elapsed.
*/
private void checkTestTransaction() {
- synchronized(checkTestTransactionLock){
+ if(logger.isDebugEnabled()){
+ logger.debug("checkTestTransaction(): entry");
+ }
+ synchronized (checkTestTransactionLock) {
// test transaction timer checks
if (testTransInterval <= 0) {
+ if(logger.isDebugEnabled()){
+ logger.debug("checkTestTransaction(): disabled");
+ }
elapsedTestTransTime = 0;
return; // test transaction is disabled
}
- elapsedTestTransTime = elapsedTestTransTime + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
+ elapsedTestTransTime = elapsedTestTransTime
+ + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
if (elapsedTestTransTime < testTransInterval) {
- return; // test transaction interval not reached
+ return; // test transaction interval not reached
}
- elapsedTestTransTime = 0; // reset elapsed time
+ elapsedTestTransTime = 0; // reset elapsed time
// execute test transaction
testTransaction();
}
+ if(logger.isDebugEnabled()){
+ logger.debug("checkTestTransaction(): exit");
+ }
}
-
+
/**
* Updates Fpc counter in database when write Fpc interval has elapsed.
*/
private void checkWriteFpc() {
- synchronized(checkWriteFpcLock){
+ if(logger.isDebugEnabled()){
+ logger.debug("checkWriteFpc(): entry");
+ }
+ synchronized (checkWriteFpcLock) {
// test transaction timer checks
if (writeFpcInterval <= 0) {
+ if(logger.isDebugEnabled()){
+ logger.debug("checkWriteFpc(): disabled");
+ }
elapsedWriteFpcTime = 0;
return; // write Fpc is disabled
}
- elapsedWriteFpcTime = elapsedWriteFpcTime + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
+ elapsedWriteFpcTime = elapsedWriteFpcTime
+ + TimeUnit.MILLISECONDS.toSeconds(CYCLE_INTERVAL_MILLIS);
if (elapsedWriteFpcTime < writeFpcInterval) {
- return; // write Fpc interval not reached
+ return; // write Fpc interval not reached
}
- elapsedWriteFpcTime = 0; // reset elapsed time
+ elapsedWriteFpcTime = 0; // reset elapsed time
// write Fpc to database
try {
@@ -1505,84 +1842,126 @@ public class IntegrityMonitor {
logger.error("IntegrityMonitor threw exception.", e);
}
}
+ if(logger.isDebugEnabled()){
+ logger.debug("checkWriteFpc(): exit");
+ }
}
-
+
/**
- * Execute a dependency health check periodically which also updates this resource's state.
+ * Execute a dependency health check periodically which also updates this
+ * resource's state.
*/
private void checkDependentHealth() {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("checkDependentHealth: entry");
}
-
+ if (checkDependencyInterval <=0) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("checkDependentHealth: disabled");
+ }
+ return; // dependency monitoring is disabled
+ }
+
long currTime = System.currentTimeMillis();
- if(logger.isDebugEnabled()){
- logger.debug("checkDependentHealth currTime - lastDependencyCheckTime = {}", (currTime - lastDependencyCheckTime));
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "checkDependentHealth currTime - lastDependencyCheckTime = {}",
+ (currTime - lastDependencyCheckTime));
}
- if ((currTime - lastDependencyCheckTime) > (1000 * IntegrityMonitorProperties.DEFAULT_TEST_INTERVAL)) {
+ if ((currTime - lastDependencyCheckTime) > (1000 * checkDependencyInterval)) {
// execute dependency check and update this resource's state
-
+
dependencyCheck();
}
+ if (logger.isDebugEnabled()) {
+ logger.debug("checkDependentHealth: exit");
+ }
}
-
+
/*
- * This is a simple refresh audit which is periodically run to assure that the states and status
- * attributes are aligned and notifications are sent to any listeners. It is possible for state/status
- * to get out of synch and notified systems to be out of synch due to database corruption (manual or
+ * This is a simple refresh audit which is periodically run to assure that
+ * the states and status attributes are aligned and notifications are sent
+ * to any listeners. It is possible for state/status to get out of synch and
+ * notified systems to be out of synch due to database corruption (manual or
* otherwise) or because a node became isolated.
*
- * When the operation (lock/unlock) is called, it will cause a re-evaluation of the state and
- * send a notification to all registered observers.
+ * When the operation (lock/unlock) is called, it will cause a re-evaluation
+ * of the state and send a notification to all registered observers.
*/
- private void refreshStateAudit(){
- if(refreshStateAuditIntervalMs <=0){
- // The audit is deactivated
- return;
+ private void refreshStateAudit() {
+ if(logger.isDebugEnabled()){
+ logger.debug("refreshStateAudit(): entry");
}
- synchronized(refreshStateAuditLock){
+ if (refreshStateAuditIntervalMs <= 0) {
+ // The audit is disabled
if(logger.isDebugEnabled()){
+ logger.debug("refreshStateAudit(): disabled");
+ }
+ return;
+ }
+ executeRefreshStateAudit();
+ if(logger.isDebugEnabled()){
+ logger.debug("refreshStateAudit(): exit");
+ }
+ }
+
+ public void executeRefreshStateAudit(){
+ if(logger.isDebugEnabled()){
+ logger.debug("executeRefreshStateAudit(): entry");
+ }
+ synchronized (refreshStateAuditLock) {
+ if (logger.isDebugEnabled()) {
logger.debug("refreshStateAudit: entry");
}
Date now = new Date();
long nowMs = now.getTime();
long lastTimeMs = refreshStateAuditLastRunDate.getTime();
- if(logger.isDebugEnabled()){
- logger.debug("refreshStateAudit: ms since last run = {}", (nowMs - lastTimeMs));
+ if (logger.isDebugEnabled()) {
+ logger.debug("refreshStateAudit: ms since last run = {}",
+ (nowMs - lastTimeMs));
}
- if((nowMs - lastTimeMs) > refreshStateAuditIntervalMs){
+ if ((nowMs - lastTimeMs) > refreshStateAuditIntervalMs) {
String adminState = stateManager.getAdminState();
- if(logger.isDebugEnabled()){
- logger.debug("refreshStateAudit: adminState = {}", adminState);
+ if (logger.isDebugEnabled()) {
+ logger.debug("refreshStateAudit: adminState = {}",
+ adminState);
}
- if(adminState.equals(StateManagement.LOCKED)){
+ if (adminState.equals(StateManagement.LOCKED)) {
try {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("refreshStateAudit: calling lock()");
}
stateManager.lock();
} catch (Exception e) {
- logger.error("refreshStateAudit: caught unexpected exception from stateManager.lock(): ", e);
+ logger.error(
+ "refreshStateAudit: caught unexpected exception from stateManager.lock(): ",
+ e);
}
- }else{//unlocked
+ } else {// unlocked
try {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("refreshStateAudit: calling unlock()");
}
- stateManager.unlock();;
+ stateManager.unlock();
+ ;
} catch (Exception e) {
- logger.error("refreshStateAudit: caught unexpected exception from stateManager.unlock(): ", e);
+ logger.error(
+ "refreshStateAudit: caught unexpected exception from stateManager.unlock(): ",
+ e);
}
}
refreshStateAuditLastRunDate = new Date();
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("refreshStateAudit: exit");
}
}
}
+ if(logger.isDebugEnabled()){
+ logger.debug("executeRefreshStateAudit(): exit");
+ }
}
-
+
public static boolean isUnitTesting() {
return isUnitTesting;
}
@@ -1592,11 +1971,13 @@ public class IntegrityMonitor {
}
/**
- * The following nested class periodically performs the forward progress check,
- * checks dependencies, does a refresh state audit and runs the stateAudit.
+ * The following nested class periodically performs the forward progress
+ * check, checks dependencies, does a refresh state audit and runs the
+ * stateAudit.
*/
class FPManager extends Thread {
-
+ private volatile boolean exit = false;
+
// Constructor - start FP manager thread
FPManager() {
// set now as the last time the refreshStateAudit ran
@@ -1604,68 +1985,161 @@ public class IntegrityMonitor {
// start thread
this.start();
}
-
+
@Override
public void run() {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager thread running");
}
- while (true) {
+ while (!exit) {
try {
Thread.sleep(CYCLE_INTERVAL_MILLIS);
} catch (InterruptedException e) {
// The 'sleep' call was interrupted
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("IntegrityMonitor threw exception.", e);
}
Thread.currentThread().interrupt();
continue;
}
-
+
try {
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling fpMonitorCycle()");
}
// check forward progress timer
IntegrityMonitor.this.fpMonitorCycle();
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling checkTestTransaction()");
}
// check test transaction timer
IntegrityMonitor.this.checkTestTransaction();
- if(logger.isDebugEnabled()){
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling checkWriteFpc()");
}
// check write Fpc timer
IntegrityMonitor.this.checkWriteFpc();
-
- if(logger.isDebugEnabled()){
+
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling checkDependentHealth()");
}
// check dependency health
IntegrityMonitor.this.checkDependentHealth();
-
- if(logger.isDebugEnabled()){
+
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling refreshStateAudit()");
}
// check if it is time to run the refreshStateAudit
IntegrityMonitor.this.refreshStateAudit();
-
- if(logger.isDebugEnabled()){
+
+ if (logger.isDebugEnabled()) {
logger.debug("FPManager calling stateAudit()");
}
// check if it is time to run the stateAudit
IntegrityMonitor.this.stateAudit();
-
+
} catch (Exception e) {
- logger.error("Ignore FPManager thread processing timer(s) exception: ", e);
+ logger.error(
+ "Ignore FPManager thread processing timer(s) exception: ",
+ e);
}
}
}
+
+ public void stopAndExit() {
+ exit = true;
+ // Referring to the FPManager instance
+ FPManager.this.interrupt();
+ }
+
+ }
+
+ public void allSeemsWell(@NotNull String key, @NotNull Boolean asw, @NotNull String msg)
+ throws IllegalArgumentException, AllSeemsWellException {
+
+ if(logger.isDebugEnabled()){
+ logger.debug("allSeemsWell entry: key = {}, asw = {}, msg = {}", key, asw, msg);
+ }
+ if(key == null || key.isEmpty()){
+ logger.error("allSeemsWell: 'key' has no visible content");
+ throw new IllegalArgumentException("allSeemsWell: 'key' has no visible content");
+ }
+ if(asw == null){
+ logger.error("allSeemsWell: 'asw' is null");
+ throw new IllegalArgumentException("allSeemsWell: 'asw' is null");
+ }
+ if(msg == null || msg.isEmpty()){
+ logger.error("allSeemsWell: 'msg' has no visible content");
+ throw new IllegalArgumentException("allSeemsWell: 'msg' has no visible content");
+ }
+
+ if(allSeemsWellMap == null){
+ allSeemsWellMap = new HashMap<>();
+ }
+ if(allNotWellMap == null){
+ allNotWellMap = new HashMap<>();
+ }
+
+ if(asw){
+ logger.info("allSeemsWell: ALL SEEMS WELL: key = {}, msg = {}", key, msg);
+ try{
+ allSeemsWellMap.put(key, msg);
+ }catch(Exception e){
+ String exceptMsg ="allSeemsWell: encountered an exception with allSeemsWellMap.put("
+ + key + "," + msg + ")";
+ logger.error(exceptMsg);
+ throw new AllSeemsWellException(exceptMsg, e);
+ }
+
+ try{
+ allNotWellMap.remove(key);
+ }catch(Exception e){
+ String exceptMsg ="allSeemsWell: encountered an exception with allNotWellMap.delete("
+ + key + ")";
+ logger.error(exceptMsg);
+ throw new AllSeemsWellException(exceptMsg, e);
+ }
+
+ }else{
+ logger.error("allSeemsWell: ALL NOT WELL: key = {}, msg = {}", key, msg);
+ try{
+ allSeemsWellMap.remove(key);
+ }catch(Exception e){
+ String exceptMsg ="allSeemsWell: encountered an exception with allSeemsWellMap.remove("
+ + key + ")";
+ logger.error(exceptMsg);
+ throw new AllSeemsWellException(exceptMsg, e);
+ }
+
+ try{
+ allNotWellMap.put(key, msg);
+ }catch(Exception e){
+ String exceptMsg ="allSeemsWell: encountered an exception with allNotWellMap.put("
+ + key + msg + ")";
+ logger.error(exceptMsg);
+ throw new AllSeemsWellException(exceptMsg, e);
+ }
+ }
+
+ if(logger.isDebugEnabled()){
+ for(String mykey: allSeemsWellMap.keySet()){
+ logger.debug("allSeemsWellMap: key = {} msg = {}", mykey, allSeemsWellMap.get(mykey));
+ }
+ for(String mykey: allNotWellMap.keySet()){
+ logger.debug("allNotWellMap: key = {} msg = {}", mykey, allNotWellMap.get(mykey));
+ }
+ logger.debug("allSeemsWell exit");
+ }
}
-}
+ public Map<String, String> getAllSeemsWellMap(){
+ return allSeemsWellMap;
+ }
+ public Map<String, String> getAllNotWellMap(){
+ return allNotWellMap;
+ }
+}
diff --git a/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitorProperties.java b/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitorProperties.java
index 74eace68..b495db71 100644
--- a/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitorProperties.java
+++ b/integrity-monitor/src/main/java/org/onap/policy/common/im/IntegrityMonitorProperties.java
@@ -35,11 +35,13 @@ public class IntegrityMonitorProperties {
public static final int DEFAULT_TEST_INTERVAL = 10;
public static final int DEFAULT_WRITE_FPC_INTERVAL = 5;
public static final int DEFAULT_MAX_FPC_UPDATE_INTERVAL = 120;
+ public static final int DEFAULT_CHECK_DEPENDENCY_INTERVAL = 10;
public static final String FP_MONITOR_INTERVAL = "fp_monitor_interval";
public static final String FAILED_COUNTER_THRESHOLD = "failed_counter_threshold";
public static final String TEST_TRANS_INTERVAL = "test_trans_interval";
public static final String WRITE_FPC_INTERVAL = "write_fpc_interval";
+ public static final String CHECK_DEPENDENCY_INTERVAL = "check_dependency_interval";
public static final String DEPENDENCY_GROUPS = "dependency_groups";
public static final String SITE_NAME = "site_name";
@@ -51,4 +53,9 @@ public class IntegrityMonitorProperties {
public static final String STATE_AUDIT_INTERVAL_MS = "state_audit_interval_ms";
public static final String REFRESH_STATE_AUDIT_INTERVAL_MS = "refresh_state_audit_interval_ms";
+ // AllSeemsWell types
+ public static final Boolean ALLNOTWELL=Boolean.FALSE;
+ public static final Boolean ALLSEEMSWELL=Boolean.TRUE;
+
+
}