From 39f0a9c3e9e03a523f5b65f858fa455680478c1e Mon Sep 17 00:00:00 2001 From: Oleg Kravchuk Date: Thu, 9 Nov 2023 02:59:12 +0200 Subject: [PATCH] Added unit test for switchAliases method. (#1035) * Added unit test for switchAliases method. Signed-off-by: Oleg Kravchuk * Added unit test for switchAliases method checking the flow when switchAliases is disabled. Signed-off-by: Oleg Kravchuk --------- Signed-off-by: Oleg Kravchuk --- .../step/shrink/WaitForShrinkStep.kt | 2 +- .../step/WaitForShrinkStepTests.kt | 190 ++++++++++++++++++ 2 files changed, 191 insertions(+), 1 deletion(-) create mode 100644 src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/WaitForShrinkStepTests.kt diff --git a/src/main/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/shrink/WaitForShrinkStep.kt b/src/main/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/shrink/WaitForShrinkStep.kt index 33c7fb111..1c6e446e1 100644 --- a/src/main/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/shrink/WaitForShrinkStep.kt +++ b/src/main/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/shrink/WaitForShrinkStep.kt @@ -101,7 +101,7 @@ class WaitForShrinkStep(private val action: ShrinkAction) : ShrinkStep(name, tru } } - private suspend fun switchAliases(context: StepContext, shrinkActionProperties: ShrinkActionProperties): Boolean { + suspend fun switchAliases(context: StepContext, shrinkActionProperties: ShrinkActionProperties): Boolean { val sourceIndexName = context.metadata.index val targetIndexName = shrinkActionProperties.targetIndexName diff --git a/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/WaitForShrinkStepTests.kt b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/WaitForShrinkStepTests.kt new file mode 100644 index 000000000..dbad3098b --- /dev/null +++ b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/step/WaitForShrinkStepTests.kt @@ -0,0 +1,190 @@ +/* + * Copyright OpenSearch Contributors + * SPDX-License-Identifier: Apache-2.0 + */ + +package org.opensearch.indexmanagement.indexstatemanagement.step + +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 + +class WaitForShrinkStepTests : OpenSearchTestCase() { + + 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) + + 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) + + 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()) + + 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) + + runBlocking { + val aliasesSwitched = shrinkStepWithoutAliasesSwitch.switchAliases(context, shrinkActionProperties) + assertTrue(aliasesSwitched) + } + + verify(client.admin().indices(), never()).aliases(any(), any()) + } + + 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) + + val targetIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn mapOf("target-alias" to AliasMetadata.builder("target-alias").build()) + } + whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) + + val sourceIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn mapOf("source-alias" to AliasMetadata.builder("source-alias").build()) + } + whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) + + runBlocking { + val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) + assertTrue(aliasesSwitched) + } + + 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()) + } + + 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) + + val targetIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn mapOf("conflict-alias" to AliasMetadata.builder("conflict-alias").build()) + } + whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) + + val sourceIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn mapOf("conflict-alias" to AliasMetadata.builder("conflict-alias").build()) + } + whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) + + runBlocking { + val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) + assertTrue(aliasesSwitched) + } + + val argMatcher = ArgumentMatcher { request: IndicesAliasesRequest -> + + 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()) + } + + 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) + + val targetIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn emptyMap() + } + whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) + + val sourceIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn emptyMap() + } + whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) + + runBlocking { + val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) + assertFalse(aliasesSwitched) + } + } + + 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) + + val targetIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn emptyMap() + } + whenever(metadata.index("target_index_name")).doReturn(targetIndexMetadata) + + val sourceIndexMetadata: IndexMetadata = mock { + on { aliases } doReturn emptyMap() + } + whenever(metadata.index("source_index_name")).doReturn(sourceIndexMetadata) + + runBlocking { + val aliasesSwitched = waitForShrinkStep.switchAliases(context, shrinkActionProperties) + assertFalse(aliasesSwitched) + } + } + + 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>(1) + if (response != null) listener.onResponse(response) + else listener.onFailure(exception) + }.whenever(this.mock).aliases(any(), any()) + } + } +}