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authorJulien Fontaine <julien.fontaine@bell.ca>2020-12-02 16:25:08 -0500
committerKAPIL SINGAL <ks220y@att.com>2020-12-16 14:59:41 +0000
commit55e4780ba5f1de52060eaf76608a588b5be7c788 (patch)
tree04d3f19854d69df27f916b9052fab916032644ad /ms/blueprintsprocessor/modules/commons
parent6b33380a6f3cbc0185058d189de6436651a288e5 (diff)
Fixed NoClassDefFoundError when USE_SCRIPT_COMPILE_CACHE is set to false
USE_SCRIPT_COMPILE_CACHE set to false cleans the Class Loader cache after each kotlin script execution. When several kotlin script are executed in parallel (ie no dependency between them) and USE_SCRIPT_COMPILE_CACHE=false then the class loader from the cache may be deleted before one of those executed kotlin script get the time to finish which to the NoClassDefFoundError. Removed cleanupInstance method for kotlin script executors that where causing the class loader to be removed prematurely. Now the behaviour is to remove the class loader from the cache only when we publish a new CBA which was already the case when CDS run with a single instance. In cluster mode, a topic has been added to hazelcast to allow the instance publishing the updated CBA to communicate to the other instances by sending a message to clean the class loader for this CBA from their cache. Added mutex on kotlin script compilation to fix race condition. For concurrent kotlin script execution each process wanted to compile an executable but it was causing a race condition if a process tries to execute while another still compile. Mutex on the execution path prevent this behaviour Issue-ID: CCSDK-3052 Signed-off-by: Julien Fontaine <julien.fontaine@bell.ca> Signed-off-by: Jozsef Csongvai <jozsef.csongvai@bell.ca> Change-Id: I6ab002352b3272898ad0b183341ee664652c8ae3
Diffstat (limited to 'ms/blueprintsprocessor/modules/commons')
-rwxr-xr-xms/blueprintsprocessor/modules/commons/db-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/db/primary/service/BlueprintProcessorCatalogServiceImpl.kt17
-rw-r--r--ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/BlueprintClusterTopic.kt21
-rw-r--r--ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterService.kt37
-rw-r--r--ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/listeners/BlueprintCompilerCacheMessageListener.kt47
-rw-r--r--ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/service/BluePrintClusterService.kt20
-rw-r--r--ms/blueprintsprocessor/modules/commons/processor-core/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterServiceTest.kt40
6 files changed, 178 insertions, 4 deletions
diff --git a/ms/blueprintsprocessor/modules/commons/db-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/db/primary/service/BlueprintProcessorCatalogServiceImpl.kt b/ms/blueprintsprocessor/modules/commons/db-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/db/primary/service/BlueprintProcessorCatalogServiceImpl.kt
index 1b58bc082..6637c62ec 100755
--- a/ms/blueprintsprocessor/modules/commons/db-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/db/primary/service/BlueprintProcessorCatalogServiceImpl.kt
+++ b/ms/blueprintsprocessor/modules/commons/db-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/db/primary/service/BlueprintProcessorCatalogServiceImpl.kt
@@ -18,6 +18,8 @@
package org.onap.ccsdk.cds.blueprintsprocessor.db.primary.service
+import org.onap.ccsdk.cds.blueprintsprocessor.core.cluster.BlueprintClusterTopic
+import org.onap.ccsdk.cds.blueprintsprocessor.core.cluster.optionalClusterService
import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.domain.BlueprintModel
import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.domain.BlueprintModelContent
import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.repository.BlueprintModelRepository
@@ -34,6 +36,7 @@ import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
import org.onap.ccsdk.cds.controllerblueprints.core.normalizedPathName
import org.onap.ccsdk.cds.controllerblueprints.core.reCreateNBDirs
import org.onap.ccsdk.cds.controllerblueprints.core.scripts.BluePrintCompileCache
+import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintDependencyService
import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintFileUtils
import org.slf4j.LoggerFactory
import org.springframework.dao.DataIntegrityViolationException
@@ -60,7 +63,7 @@ class BlueprintProcessorCatalogServiceImpl(
// Clean blueprint script cache
val cacheKey = BluePrintFileUtils
.compileCacheKey(normalizedPathName(bluePrintLoadConfiguration.blueprintDeployPath, name, version))
- BluePrintCompileCache.cleanClassLoader(cacheKey)
+ cleanClassLoader(cacheKey)
log.info("removed cba file name($name), version($version) from cache")
// Cleaning Deployed Blueprint
deleteNBDir(bluePrintLoadConfiguration.blueprintDeployPath, name, version)
@@ -132,7 +135,7 @@ class BlueprintProcessorCatalogServiceImpl(
normalizedPathName(bluePrintLoadConfiguration.blueprintDeployPath, artifactName, artifactVersion)
val cacheKey = BluePrintFileUtils.compileCacheKey(deployFile)
- BluePrintCompileCache.cleanClassLoader(cacheKey)
+ cleanClassLoader(cacheKey)
deleteNBDir(deployFile).let {
if (it) log.info("Deleted deployed blueprint model :$artifactName::$artifactVersion")
@@ -174,4 +177,14 @@ class BlueprintProcessorCatalogServiceImpl(
)
}
}
+
+ private suspend fun cleanClassLoader(cacheKey: String) {
+ val clusterService = BluePrintDependencyService.optionalClusterService()
+ if (null == clusterService)
+ BluePrintCompileCache.cleanClassLoader(cacheKey)
+ else {
+ log.info("Sending ClusterMessage: Clean Classloader Cache")
+ clusterService.sendMessage(BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE, cacheKey)
+ }
+ }
}
diff --git a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/BlueprintClusterTopic.kt b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/BlueprintClusterTopic.kt
new file mode 100644
index 000000000..090130f98
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/BlueprintClusterTopic.kt
@@ -0,0 +1,21 @@
+/*
+ * Copyright © 2020 Bell Canada.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.cds.blueprintsprocessor.core.cluster
+
+enum class BlueprintClusterTopic {
+ BLUEPRINT_CLEAN_COMPILER_CACHE
+}
diff --git a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterService.kt b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterService.kt
index 5493bac1a..fb9056776 100644
--- a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterService.kt
+++ b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterService.kt
@@ -30,9 +30,14 @@ import com.hazelcast.core.HazelcastInstance
import com.hazelcast.cp.CPSubsystemManagementService
import com.hazelcast.cp.lock.FencedLock
import com.hazelcast.scheduledexecutor.IScheduledExecutorService
+import com.hazelcast.topic.Message
+import com.hazelcast.topic.MessageListener
import kotlinx.coroutines.delay
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterMessage
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterService
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BlueprintClusterMessageListener
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterInfo
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterJoinedEvent
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterLock
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterMember
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
@@ -40,12 +45,15 @@ import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.cds.controllerblueprints.core.logger
import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
import org.onap.ccsdk.cds.controllerblueprints.core.utils.ClusterUtils
+import org.springframework.context.ApplicationEventPublisher
import org.springframework.stereotype.Service
import java.time.Duration
+import java.util.UUID
+
import java.util.concurrent.TimeUnit
@Service
-open class HazelcastClusterService : BluePrintClusterService {
+open class HazelcastClusterService(private val applicationEventPublisher: ApplicationEventPublisher) : BluePrintClusterService {
private val log = logger(HazelcastClusterService::class)
lateinit var hazelcast: HazelcastInstance
@@ -123,6 +131,7 @@ open class HazelcastClusterService : BluePrintClusterService {
log.info(
"Cluster(${hazelcast.config.clusterName}) node(${hazelcast.name}) created successfully...."
)
+ applicationEventPublisher.publishEvent(ClusterJoinedEvent(this))
}
override fun isClient(): Boolean {
@@ -184,6 +193,21 @@ open class HazelcastClusterService : BluePrintClusterService {
}
}
+ override suspend fun <T> sendMessage(topic: BlueprintClusterTopic, message: T) {
+ hazelcast.getReliableTopic<T>(topic.name).publish(message)
+ }
+
+ override fun <T> addBlueprintClusterMessageListener(topic: BlueprintClusterTopic, listener: BlueprintClusterMessageListener<T>): UUID {
+ log.info("Cluster(${hazelcast.config.clusterName}) node(${hazelcast.name}) listening to topic($topic)...")
+ return hazelcast.getReliableTopic<T>(topic.name)
+ .addMessageListener(HazelcastMessageListenerAdapter(listener))
+ }
+
+ override fun removeBlueprintClusterMessageListener(topic: BlueprintClusterTopic, uuid: UUID): Boolean {
+ log.info("Cluster(${hazelcast.config.clusterName}) node(${hazelcast.name}) has stopped listening to topic($topic)...")
+ return hazelcast.getReliableTopic<Any>(topic.name).removeMessageListener(uuid)
+ }
+
/** Utils */
suspend fun promoteAsCPMember(hazelcastInstance: HazelcastInstance) {
if (!joinedClient && !joinedLite) {
@@ -273,3 +297,14 @@ open class ClusterLockImpl(private val hazelcast: HazelcastInstance, private val
override fun close() {
}
}
+
+class HazelcastMessageListenerAdapter<E>(val listener: BlueprintClusterMessageListener<E>) : MessageListener<E> {
+ override fun onMessage(message: Message<E>?) = message?.let {
+ BluePrintClusterMessage<E>(
+ BlueprintClusterTopic.valueOf(it.source as String),
+ it.messageObject,
+ it.publishTime,
+ it.publishingMember.toClusterMember()
+ )
+ }.let { listener.onMessage(it) }
+}
diff --git a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/listeners/BlueprintCompilerCacheMessageListener.kt b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/listeners/BlueprintCompilerCacheMessageListener.kt
new file mode 100644
index 000000000..3833379c9
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/listeners/BlueprintCompilerCacheMessageListener.kt
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2020 Bell Canada.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.cds.blueprintsprocessor.core.listeners
+
+import org.onap.ccsdk.cds.blueprintsprocessor.core.cluster.BlueprintClusterTopic
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterMessage
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterService
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BlueprintClusterMessageListener
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterJoinedEvent
+import org.onap.ccsdk.cds.controllerblueprints.core.logger
+import org.onap.ccsdk.cds.controllerblueprints.core.scripts.BluePrintCompileCache
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
+import org.springframework.context.event.EventListener
+import org.springframework.stereotype.Component
+
+@Component
+@ConditionalOnProperty("CLUSTER_ENABLED", havingValue = "true")
+open class BlueprintCompilerCacheMessageListener(private val clusterService: BluePrintClusterService) : BlueprintClusterMessageListener<String> {
+ private val log = logger(BlueprintCompilerCacheMessageListener::class)
+
+ @EventListener(ClusterJoinedEvent::class)
+ fun register() {
+ log.info("Registering BlueprintCompilerCacheMessageListener")
+ clusterService.addBlueprintClusterMessageListener(BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE, this)
+ }
+
+ override fun onMessage(message: BluePrintClusterMessage<String>?) {
+ message?.let {
+ log.info("Received ClusterMessage - Cleaning compile cache for blueprint (${it.payload})")
+ BluePrintCompileCache.cleanClassLoader(it.payload)
+ }
+ }
+}
diff --git a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/service/BluePrintClusterService.kt b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/service/BluePrintClusterService.kt
index 8cb9f4f92..f7ba6f25f 100644
--- a/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/service/BluePrintClusterService.kt
+++ b/ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/service/BluePrintClusterService.kt
@@ -16,8 +16,11 @@
package org.onap.ccsdk.cds.blueprintsprocessor.core.service
+import org.onap.ccsdk.cds.blueprintsprocessor.core.cluster.BlueprintClusterTopic
+import org.springframework.context.ApplicationEvent
import java.time.Duration
import java.util.Properties
+import java.util.UUID
interface BluePrintClusterService {
@@ -53,6 +56,15 @@ interface BluePrintClusterService {
/** Shut down the cluster with [duration] */
suspend fun shutDown(duration: Duration)
+
+ /** Send [message] to the listener(s) of a [topic] */
+ suspend fun <T> sendMessage(topic: BlueprintClusterTopic, message: T)
+
+ /** Register a [listener] to a [topic] and returns his UUID */
+ fun <T> addBlueprintClusterMessageListener(topic: BlueprintClusterTopic, listener: BlueprintClusterMessageListener<T>): UUID
+
+ /** Unregister a listener from a [topic] using his [uuid] and returns true if it succeeded */
+ fun removeBlueprintClusterMessageListener(topic: BlueprintClusterTopic, uuid: UUID): Boolean
}
data class ClusterInfo(
@@ -83,4 +95,12 @@ interface ClusterLock {
fun close()
}
+class BluePrintClusterMessage<E>(val topic: BlueprintClusterTopic, val payload: E, publishTime: Long, clusterMember: ClusterMember)
+
+interface BlueprintClusterMessageListener<E> {
+ fun onMessage(message: BluePrintClusterMessage<E>?)
+}
+
+class ClusterJoinedEvent(source: Any) : ApplicationEvent(source)
+
const val CDS_LOCK_GROUP = "cds-lock"
diff --git a/ms/blueprintsprocessor/modules/commons/processor-core/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterServiceTest.kt b/ms/blueprintsprocessor/modules/commons/processor-core/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterServiceTest.kt
index da5564235..ded017940 100644
--- a/ms/blueprintsprocessor/modules/commons/processor-core/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterServiceTest.kt
+++ b/ms/blueprintsprocessor/modules/commons/processor-core/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/cluster/HazelcastClusterServiceTest.kt
@@ -22,6 +22,7 @@ import com.hazelcast.cluster.Member
import com.hazelcast.config.FileSystemYamlConfig
import com.hazelcast.instance.impl.HazelcastInstanceFactory
import com.hazelcast.map.IMap
+import io.mockk.mockk
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
@@ -32,7 +33,9 @@ import kotlinx.coroutines.withContext
import org.junit.After
import org.junit.Before
import org.junit.Test
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterMessage
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BluePrintClusterService
+import org.onap.ccsdk.cds.blueprintsprocessor.core.service.BlueprintClusterMessageListener
import org.onap.ccsdk.cds.blueprintsprocessor.core.service.ClusterInfo
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
import org.onap.ccsdk.cds.controllerblueprints.core.asJsonPrimitive
@@ -41,6 +44,7 @@ import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
import java.io.Serializable
import java.util.Properties
import kotlin.test.assertEquals
+import kotlin.test.assertFalse
import kotlin.test.assertNotNull
import kotlin.test.assertTrue
@@ -91,6 +95,40 @@ class HazelcastClusterServiceTest {
}
}
+ @Test
+ fun testClusterMessaging() {
+ runBlocking {
+ val bluePrintClusterServiceOne =
+ createCluster(arrayListOf(1, 2, 3)).toMutableList()
+ printReachableMembers(bluePrintClusterServiceOne)
+ testMessageReceived(bluePrintClusterServiceOne)
+ }
+ }
+
+ private suspend fun testMessageReceived(bluePrintClusterServices: List<BluePrintClusterService>) {
+ val sender = bluePrintClusterServices[0] as HazelcastClusterService
+ val receiver = bluePrintClusterServices[1] as HazelcastClusterService
+ val messageSent = "hello world"
+ var isMessageReceived = false
+ val uuid = receiver.addBlueprintClusterMessageListener(
+ BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE,
+ object : BlueprintClusterMessageListener<String> {
+ override fun onMessage(message: BluePrintClusterMessage<String>?) {
+ log.info("Message received - ${message?.payload}")
+ isMessageReceived = messageSent == message?.payload
+ }
+ }
+ )
+
+ assertNotNull(uuid)
+ sender.sendMessage(BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE, messageSent)
+ delay(1000)
+ assertTrue(isMessageReceived)
+
+ assertTrue(receiver.removeBlueprintClusterMessageListener(BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE, uuid))
+ assertFalse(receiver.removeBlueprintClusterMessageListener(BlueprintClusterTopic.BLUEPRINT_CLEAN_COMPILER_CACHE, uuid))
+ }
+
private suspend fun createCluster(
ids: List<Int>,
joinAsClient: Boolean? = false
@@ -117,7 +155,7 @@ class HazelcastClusterServiceTest {
properties = properties
)
}
- val hazelcastClusterService = HazelcastClusterService()
+ val hazelcastClusterService = HazelcastClusterService(mockk(relaxed = true))
hazelcastClusterService.startCluster(clusterInfo)
hazelcastClusterService
}