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Added unit test for switchAliases method. (opensearch-project#1035)
* Added unit test for switchAliases method. Signed-off-by: Oleg Kravchuk <[email protected]> * Added unit test for switchAliases method checking the flow when switchAliases is disabled. Signed-off-by: Oleg Kravchuk <[email protected]> --------- Signed-off-by: Oleg Kravchuk <[email protected]>
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...kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/WaitForShrinkStepTests.kt
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/* | ||
* Copyright OpenSearch Contributors | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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package org.opensearch.indexmanagement.indexstatemanagement.step | ||
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import com.nhaarman.mockitokotlin2.any | ||
import com.nhaarman.mockitokotlin2.argThat | ||
import com.nhaarman.mockitokotlin2.doAnswer | ||
import com.nhaarman.mockitokotlin2.doReturn | ||
import com.nhaarman.mockitokotlin2.mock | ||
import com.nhaarman.mockitokotlin2.verify | ||
import com.nhaarman.mockitokotlin2.whenever | ||
import kotlinx.coroutines.runBlocking | ||
import org.mockito.ArgumentMatcher | ||
import org.mockito.Mockito.never | ||
import org.opensearch.action.admin.indices.alias.IndicesAliasesRequest | ||
import org.opensearch.action.support.master.AcknowledgedResponse | ||
import org.opensearch.client.AdminClient | ||
import org.opensearch.client.Client | ||
import org.opensearch.client.IndicesAdminClient | ||
import org.opensearch.cluster.ClusterState | ||
import org.opensearch.cluster.metadata.AliasMetadata | ||
import org.opensearch.cluster.metadata.IndexMetadata | ||
import org.opensearch.cluster.metadata.Metadata | ||
import org.opensearch.cluster.service.ClusterService | ||
import org.opensearch.common.settings.Settings | ||
import org.opensearch.core.action.ActionListener | ||
import org.opensearch.indexmanagement.indexstatemanagement.action.ShrinkAction | ||
import org.opensearch.indexmanagement.indexstatemanagement.step.shrink.WaitForShrinkStep | ||
import org.opensearch.indexmanagement.spi.indexstatemanagement.model.ManagedIndexMetaData | ||
import org.opensearch.indexmanagement.spi.indexstatemanagement.model.ShrinkActionProperties | ||
import org.opensearch.indexmanagement.spi.indexstatemanagement.model.StepContext | ||
import org.opensearch.jobscheduler.spi.utils.LockService | ||
import org.opensearch.script.ScriptService | ||
import org.opensearch.test.OpenSearchTestCase | ||
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class WaitForShrinkStepTests : OpenSearchTestCase() { | ||
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private val metadata: Metadata = mock {} | ||
private val clusterState: ClusterState = mock { on { metadata() } doReturn metadata } | ||
private val clusterService: ClusterService = mock { on { state() } doReturn clusterState } | ||
private val scriptService: ScriptService = mock() | ||
private val settings: Settings = Settings.EMPTY | ||
private val lockService: LockService = LockService(mock(), clusterService) | ||
private val ackedResponse = AcknowledgedResponse(true) | ||
private val unAckedResponse = AcknowledgedResponse(false) | ||
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private val shrinkActionWithoutAliasesSwitch = ShrinkAction(numNewShards = 1, maxShardSize = null, percentageOfSourceShards = null, aliases = null, switchAliases = false, forceUnsafe = false, index = 0, targetIndexTemplate = null) | ||
private val shrinkStepWithoutAliasesSwitch = WaitForShrinkStep(shrinkActionWithoutAliasesSwitch) | ||
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private val shrinkAction = ShrinkAction(numNewShards = 1, maxShardSize = null, percentageOfSourceShards = null, aliases = null, switchAliases = true, forceUnsafe = false, index = 0, targetIndexTemplate = null) | ||
private val waitForShrinkStep = WaitForShrinkStep(shrinkAction) | ||
private val managedIndexMetaData = ManagedIndexMetaData("source_index_name", "indexUuid", "policy_id", null, null, null, null, null, null, null, null, null, null, null) | ||
private val shrinkActionProperties = ShrinkActionProperties("node_name", "target_index_name", 1, 1234L, 1234L, 1234567L, 100000L, emptyMap()) | ||
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fun `test switchAliases should succeed and move no aliases given aliases switch is disabled`() { | ||
val client = getClient(getAdminClient(getIndicesAdminClient(ackedResponse, null))) | ||
val context = StepContext(managedIndexMetaData, clusterService, client, null, null, scriptService, settings, lockService) | ||
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runBlocking { | ||
val aliasesSwitched = shrinkStepWithoutAliasesSwitch.switchAliases(context, shrinkActionProperties) | ||
assertTrue(aliasesSwitched) | ||
} | ||
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verify(client.admin().indices(), never()).aliases(any(), any()) | ||
} | ||
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fun `test switchAliases should move all aliases from a source index to a target index`() { | ||
val client = getClient(getAdminClient(getIndicesAdminClient(ackedResponse, null))) | ||
val context = StepContext(managedIndexMetaData, clusterService, client, null, null, scriptService, settings, lockService) | ||
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val targetIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn mapOf("target-alias" to AliasMetadata.builder("target-alias").build()) | ||
} | ||
whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) | ||
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val sourceIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn mapOf("source-alias" to AliasMetadata.builder("source-alias").build()) | ||
} | ||
whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) | ||
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runBlocking { | ||
val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) | ||
assertTrue(aliasesSwitched) | ||
} | ||
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val argMatcher = ArgumentMatcher { request: IndicesAliasesRequest -> | ||
val addToTarget = request.aliasActions | ||
.filter { it.actionType() == IndicesAliasesRequest.AliasActions.Type.ADD } | ||
.filter { it.indices().contentEquals(arrayOf("target_index_name")) } | ||
.filter { it.aliases().contentEquals(arrayOf("source-alias")) } | ||
.size == 1 | ||
val removeFromSource = request.aliasActions | ||
.filter { it.actionType() == IndicesAliasesRequest.AliasActions.Type.REMOVE } | ||
.filter { it.indices().contentEquals(arrayOf("source_index_name")) } | ||
.filter { it.aliases().contentEquals(arrayOf("source-alias")) } | ||
.size == 1 | ||
val onlyTwoActions = request.aliasActions.size == 2 | ||
addToTarget && removeFromSource && onlyTwoActions | ||
} | ||
verify(client.admin().indices()).aliases(argThat(argMatcher), any()) | ||
} | ||
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fun `test switchAliases should give precedence to an alias in a target index if there is a name conflict with source index alias`() { | ||
val client = getClient(getAdminClient(getIndicesAdminClient(ackedResponse, null))) | ||
val context = StepContext(managedIndexMetaData, clusterService, client, null, null, scriptService, settings, lockService) | ||
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val targetIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn mapOf("conflict-alias" to AliasMetadata.builder("conflict-alias").build()) | ||
} | ||
whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) | ||
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val sourceIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn mapOf("conflict-alias" to AliasMetadata.builder("conflict-alias").build()) | ||
} | ||
whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) | ||
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runBlocking { | ||
val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) | ||
assertTrue(aliasesSwitched) | ||
} | ||
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val argMatcher = ArgumentMatcher { request: IndicesAliasesRequest -> | ||
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val removeFromSource = request.aliasActions | ||
.filter { it.actionType() == IndicesAliasesRequest.AliasActions.Type.REMOVE } | ||
.filter { it.indices().contentEquals(arrayOf("source_index_name")) } | ||
.filter { it.aliases().contentEquals(arrayOf("conflict-alias")) } | ||
.size == 1 | ||
val onlyOneAction = request.aliasActions.size == 1 | ||
removeFromSource && onlyOneAction | ||
} | ||
verify(client.admin().indices()).aliases(argThat(argMatcher), any()) | ||
} | ||
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fun `test switchAliases should fail given exception is thrown while executing aliases request`() { | ||
val client = getClient(getAdminClient(getIndicesAdminClient(null, Exception()))) | ||
val context = StepContext(managedIndexMetaData, clusterService, client, null, null, scriptService, settings, lockService) | ||
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val targetIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn emptyMap() | ||
} | ||
whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) | ||
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val sourceIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn emptyMap() | ||
} | ||
whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) | ||
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runBlocking { | ||
val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) | ||
assertFalse(aliasesSwitched) | ||
} | ||
} | ||
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fun `test switchAliases should fail given aliases request is not acknowledged`() { | ||
val client = getClient(getAdminClient(getIndicesAdminClient(unAckedResponse, null))) | ||
val context = StepContext(managedIndexMetaData, clusterService, client, null, null, scriptService, settings, lockService) | ||
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val targetIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn emptyMap() | ||
} | ||
whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) | ||
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val sourceIndexMetadata: IndexMetadata = mock { | ||
on { aliases } doReturn emptyMap() | ||
} | ||
whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) | ||
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runBlocking { | ||
val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) | ||
assertFalse(aliasesSwitched) | ||
} | ||
} | ||
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private fun getClient(adminClient: AdminClient): Client = mock { on { admin() } doReturn adminClient } | ||
private fun getAdminClient(indicesAdminClient: IndicesAdminClient): AdminClient = mock { on { indices() } doReturn indicesAdminClient } | ||
private fun getIndicesAdminClient(response: AcknowledgedResponse?, exception: Exception?): IndicesAdminClient { | ||
assertTrue("Must provide one and only one response or exception", (response != null).xor(exception != null)) | ||
return mock { | ||
doAnswer { invocationOnMock -> | ||
val listener = invocationOnMock.getArgument<ActionListener<AcknowledgedResponse>>(1) | ||
if (response != null) listener.onResponse(response) | ||
else listener.onFailure(exception) | ||
}.whenever(this.mock).aliases(any(), any()) | ||
} | ||
} | ||
} |