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21 package org.onap.cps.integration.functional.ncmp
23 import com.hazelcast.map.IMap
24 import io.micrometer.core.instrument.MeterRegistry
25 import org.onap.cps.integration.base.CpsIntegrationSpecBase
26 import org.onap.cps.ncmp.impl.inventory.sync.ModuleSyncWatchdog
27 import org.springframework.beans.factory.annotation.Autowired
28 import org.springframework.util.StopWatch
29 import spock.lang.Ignore
30 import spock.util.concurrent.PollingConditions
32 import java.util.concurrent.Executors
33 import java.util.concurrent.TimeUnit
35 class ModuleSyncWatchdogIntegrationSpec extends CpsIntegrationSpecBase {
37 ModuleSyncWatchdog objectUnderTest
40 MeterRegistry meterRegistry
43 IMap<String, Integer> cmHandlesByState
45 def executorService = Executors.newFixedThreadPool(2)
46 def PARALLEL_SYNC_SAMPLE_SIZE = 100
49 objectUnderTest = moduleSyncWatchdog
50 clearCmHandleStateGauge()
55 moduleSyncWorkQueue.clear()
57 executorService.shutdownNow()
61 def 'Watchdog is disabled for test.'() {
62 given: 'some cm handles are registered'
63 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, NO_MODULE_SET_TAG, PARALLEL_SYNC_SAMPLE_SIZE, 1)
64 when: 'wait a while but less then the initial delay of 10 minutes'
66 then: 'the work queue remains empty'
67 assert moduleSyncWorkQueue.isEmpty()
68 cleanup: 'remove advised cm handles'
69 deregisterSequenceOfCmHandles(DMI1_URL, PARALLEL_SYNC_SAMPLE_SIZE, 1)
72 /** this test has intermittent failures, due to race conditions
73 * Ignored but left here as it might be valuable to further optimization investigations.
76 def 'CPS-2478 Highlight (and improve) module sync inefficiencies.'() {
77 given: 'register 250 cm handles with module set tag cps-2478-A'
79 def cmHandlesPerTag = 250
80 def totalCmHandles = numberOfTags * cmHandlesPerTag
82 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, 'cps-2478-A', cmHandlesPerTag, offset)
83 and: 'register anther 250 cm handles with module set tag cps-2478-B'
84 offset += cmHandlesPerTag
85 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, 'cps-2478-B', cmHandlesPerTag, offset)
86 and: 'clear any previous instrumentation'
88 when: 'sync all advised cm handles'
89 objectUnderTest.moduleSyncAdvisedCmHandles()
91 then: 'Keep processing until there are no more LOCKED or ADVISED cm handles'
92 new PollingConditions().within(10, () -> {
93 def advised = cmHandlesByState.get('advisedCmHandlesCount')
94 def locked = cmHandlesByState.get('lockedCmHandlesCount')
95 if ( locked > 0 | advised > 0 ) {
96 println "CPS-2576 Need to retry ${locked} LOCKED / ${advised} ADVISED cm Handles"
97 objectUnderTest.moduleSyncAdvisedCmHandles()
100 assert cmHandlesByState.get('lockedCmHandlesCount') + cmHandlesByState.get('advisedCmHandlesCount') == 0
102 and: 'log the relevant instrumentation'
103 def dmiModuleRetrievalTimer = meterRegistry.get('cps.ncmp.inventory.module.references.from.dmi').timer()
104 def dbSchemaSetStorageTimer = meterRegistry.get('cps.module.persistence.schemaset.createFromNewAndExistingModules').timer()
105 def dbStateUpdateTimer = meterRegistry.get('cps.ncmp.cmhandle.state.update.batch').timer()
106 logInstrumentation(dmiModuleRetrievalTimer, 'get modules from DMI ')
107 logInstrumentation(dbSchemaSetStorageTimer, 'store schema sets ')
108 logInstrumentation(dbStateUpdateTimer, 'batch state updates ')
109 cleanup: 'remove all test cm handles'
110 // To properly measure performance the sample-size should be increased to 20,000 cm handles or higher (10,000 per tag)
111 def stopWatch = new StopWatch()
113 deregisterSequenceOfCmHandles(DMI1_URL, totalCmHandles, 1)
115 println "*** CPS-2478, Deletion of $totalCmHandles cm handles took ${stopWatch.getTotalTimeMillis()} milliseconds"
118 def 'Populate module sync work queue simultaneously on two parallel threads (CPS-2403).'() {
119 // This test failed before bug https://lf-onap.atlassian.net/browse/CPS-2403 was fixed
120 given: 'the queue is empty at the start'
121 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, NO_MODULE_SET_TAG, PARALLEL_SYNC_SAMPLE_SIZE, 1)
122 assert moduleSyncWorkQueue.isEmpty()
123 when: 'attempt to populate the queue on the main (test) and another parallel thread at the same time'
124 objectUnderTest.populateWorkQueueIfNeeded()
125 executorService.execute(populateQueueWithoutDelay)
126 and: 'wait a little (to give all threads time to complete their task)'
128 then: 'the queue size is exactly the sample size'
129 assert moduleSyncWorkQueue.size() == PARALLEL_SYNC_SAMPLE_SIZE
130 cleanup: 'remove all test cm handles'
131 deregisterSequenceOfCmHandles(DMI1_URL, PARALLEL_SYNC_SAMPLE_SIZE, 1)
134 /** this test has intermittent failures, due to race conditions
135 * Ignored but left here as it might be valuable to further optimization investigations.
138 def 'Schema sets with overlapping modules processed at the same time (DB constraint violation).'() {
139 given: 'register one batch (100) cm handles of tag A (with overlapping module names)'
140 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, 'tagA', 100, 1, ModuleNameStrategy.OVERLAPPING)
141 and: 'register another batch cm handles of tag B (with overlapping module names)'
142 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, 'tagB', 100, 101, ModuleNameStrategy.OVERLAPPING)
143 and: 'populate the work queue with both batches'
144 objectUnderTest.populateWorkQueueIfNeeded()
145 when: 'advised cm handles are processed on 2 threads (exactly one batch for each)'
146 objectUnderTest.moduleSyncAdvisedCmHandles()
147 executorService.execute(moduleSyncAdvisedCmHandles)
148 then: 'all cm handles have been processed'
149 assert getNumberOfProcessedCmHandles() == 200
150 then: 'at least 1 cm handle is in state LOCKED'
151 assert cmHandlesByState.get('lockedCmHandlesCount') >= 1
152 cleanup: 'remove all test cm handles'
153 deregisterSequenceOfCmHandles(DMI1_URL, 200, 1)
156 def 'Populate module sync work queue on two parallel threads with a slight difference in start time.'() {
157 // This test proved that the issue in CPS-2403 did not arise if the the queue was populated and given time to be distributed
158 given: 'the queue is empty at the start'
159 registerSequenceOfCmHandlesWithManyModuleReferencesButDoNotWaitForReady(DMI1_URL, NO_MODULE_SET_TAG, PARALLEL_SYNC_SAMPLE_SIZE, 1)
160 assert moduleSyncWorkQueue.isEmpty()
161 when: 'attempt to populate the queue on the main (test) and another parallel thread a little later'
162 objectUnderTest.populateWorkQueueIfNeeded()
163 executorService.execute(populateQueueWithDelay)
164 and: 'wait a little (to give all threads time to complete their task)'
166 then: 'the queue size is exactly the sample size'
167 assert moduleSyncWorkQueue.size() == PARALLEL_SYNC_SAMPLE_SIZE
168 cleanup: 'remove all test cm handles'
169 deregisterSequenceOfCmHandles(DMI1_URL, PARALLEL_SYNC_SAMPLE_SIZE, 1)
172 def logInstrumentation(timer, description) {
173 println "*** CPS-2478, $description : Invoked ${timer.count()} times, Total Time: ${timer.totalTime(TimeUnit.MILLISECONDS)} ms, Mean Time: ${timer.mean(TimeUnit.MILLISECONDS)} ms"
177 def populateQueueWithoutDelay = () -> {
179 objectUnderTest.populateWorkQueueIfNeeded()
180 } catch (InterruptedException e) {
185 def populateQueueWithDelay = () -> {
188 objectUnderTest.populateWorkQueueIfNeeded()
189 } catch (InterruptedException e) {
194 def moduleSyncAdvisedCmHandles = () -> {
196 objectUnderTest.moduleSyncAdvisedCmHandles()
197 } catch (InterruptedException e) {
202 def clearCmHandleStateGauge() {
203 cmHandlesByState.keySet().each { cmHandlesByState.put(it, 0)}
206 def getNumberOfProcessedCmHandles() {
207 return cmHandlesByState.get('readyCmHandlesCount') + cmHandlesByState.get('lockedCmHandlesCount')