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https://issues.apache.org/jira/browse/GEODE-7954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17096884#comment-17096884
]
ASF GitHub Bot commented on GEODE-7954:
---------------------------------------
DonalEvans commented on a change in pull request #5004:
URL: https://github.com/apache/geode/pull/5004#discussion_r418223262
##########
File path:
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/commands/RedundancyCommandUtils.java
##########
@@ -0,0 +1,269 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional
information regarding
+ * copyright ownership. The ASF licenses this file to You 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.apache.geode.management.internal.cli.commands;
+
+import static
org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl.NO_REDUNDANT_COPIES_FOR_REGIONS;
+import static
org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl.PRIMARY_TRANSFERS_COMPLETED;
+import static
org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl.PRIMARY_TRANSFER_TIME;
+import static
org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl.REDUNDANCY_NOT_SATISFIED_FOR_REGIONS;
+import static
org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl.REDUNDANCY_SATISFIED_FOR_REGIONS;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.apache.geode.cache.control.RegionRedundancyStatus;
+import org.apache.geode.cache.control.RestoreRedundancyResults;
+import org.apache.geode.distributed.DistributedMember;
+import
org.apache.geode.distributed.internal.membership.InternalDistributedMember;
+import org.apache.geode.internal.cache.InternalCache;
+import org.apache.geode.internal.cache.control.RestoreRedundancyResultsImpl;
+import org.apache.geode.internal.serialization.Version;
+import org.apache.geode.management.ManagementService;
+import org.apache.geode.management.cli.Result;
+import org.apache.geode.management.internal.cli.result.model.InfoResultModel;
+import org.apache.geode.management.internal.cli.result.model.ResultModel;
+import org.apache.geode.management.internal.functions.CliFunctionResult;
+import
org.apache.geode.management.internal.operation.RebalanceOperationPerformer;
+
+public class RedundancyCommandUtils {
+ public static final String NO_MEMBERS_WITH_VERSION_FOR_REGION =
+ "No members with a version greater than or equal to %s were found for
region %s";
+ public static final String NO_MEMBERS_SECTION = "no-members";
+ public static final String NO_MEMBERS_HEADER =
+ "No partitioned regions were found.";
+ public static final String NO_MEMBERS_FOR_REGION_SECTION =
"no-members-for-region";
+ public static final String NO_MEMBERS_FOR_REGION_HEADER =
+ "No members hosting the following regions were found: ";
+ public static final String ERROR_SECTION = "errors";
+ public static final String ERROR_SECTION_HEADER =
+ "The following errors or exceptions were encountered: ";
+ public static final String SUMMARY_SECTION = "summary-section";
+ public static final String ZERO_REDUNDANT_COPIES =
+ "Number of regions with zero redundant copies = ";
+ public static final String PARTIALLY_SATISFIED_REDUNDANCY =
+ "Number of regions with partially satisfied redundancy = ";
+ public static final String FULLY_SATISFIED_REDUNDANCY =
+ "Number of regions with fully satisfied redundancy = ";
+ public static final String ZERO_REDUNDANCY_SECTION = "zero-redundancy";
+ public static final String UNDER_REDUNDANCY_SECTION = "under-redundancy";
+ public static final String SATISFIED_REDUNDANCY_SECTION =
"satisfied-redundancy";
+ public static final String PRIMARIES_INFO_SECTION = "primaries-info";
+ public static final String EXCEPTION_MEMBER_MESSAGE = "Exception occurred on
member %s: %s";
+ public static final Version REDUNDANCY_COMMAND_ADDED_VERSION =
Version.GEODE_1_13_0;
+ public static final String INDENT = " ";
+
+ void populateLists(List<RebalanceOperationPerformer.MemberPRInfo>
membersForEachRegion,
+ List<String> noMemberRegions, String[] includeRegions, String[]
excludeRegions,
+ InternalCache cache) {
+ // Include all regions
+ if (includeRegions == null) {
+ // Exclude these regions
+ List<String> excludedRegionList =
+ excludeRegions != null ? Arrays.asList(excludeRegions) : new
ArrayList<>();
+
+ List<RebalanceOperationPerformer.MemberPRInfo> memberRegionList =
+ getMembersForEachRegion(excludedRegionList, cache);
+ membersForEachRegion.addAll(memberRegionList);
+ } else {
+ for (String regionName : includeRegions) {
+ DistributedMember memberForRegion = getOneMemberForRegion(regionName,
cache);
+
+ // If we did not find a member for this region name, add it to the
list of regions with no
+ // members
+ if (memberForRegion == null) {
+ noMemberRegions.add(regionName);
+ } else {
+ RebalanceOperationPerformer.MemberPRInfo memberPRInfo =
+ new RebalanceOperationPerformer.MemberPRInfo();
+ memberPRInfo.region = regionName;
+ memberPRInfo.dsMemberList.add(memberForRegion);
+ membersForEachRegion.add(memberPRInfo);
+ }
+ }
+ }
+ }
+
+ // Extracted for testing
+ List<RebalanceOperationPerformer.MemberPRInfo> getMembersForEachRegion(
+ List<String> excludedRegionList, InternalCache cache) {
+ return RebalanceOperationPerformer.getMemberRegionList(
+ ManagementService.getManagementService(cache), cache,
excludedRegionList);
+ }
+
+ // Extracted for testing
+ DistributedMember getOneMemberForRegion(String regionName, InternalCache
cache) {
+ String regionNameWithSeparator = regionName;
+ // The getAssociatedMembers method requires region names start with '/'
+ if (!regionName.startsWith("/")) {
+ regionNameWithSeparator = "/" + regionName;
Review comment:
Good call
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> Create restore redundancy and status redundancy gfsh commands
> -------------------------------------------------------------
>
> Key: GEODE-7954
> URL: https://issues.apache.org/jira/browse/GEODE-7954
> Project: Geode
> Issue Type: New Feature
> Components: gfsh
> Reporter: Donal Evans
> Assignee: Donal Evans
> Priority: Major
>
> Add two gfsh commands to allow redundancy to be restored and to check the
> current redundancy status:
> {{restore redundancy [--include-region=value(,value)*]
> [--exclude-region=value(,value)*] [--reassign-primaries(=value)]}}
> {{status redundancy [--include-region=value(,value)*]
> [--exclude-region=value(,value)*]}}
> The first command will execute a function on members hosting the specified
> partitioned regions and trigger the restore redundancy operation for those
> regions, then report the final redundancy status of those regions.
> The command will return success status if:
> * Redundancy is fully satisfied for all regions that were included, either
> explicitly or implicitly.
> * No partitioned regions were found and none were explicitly included.
> The command will return error status if:
> * At least one bucket in a region has zero redundant copies, and that region
> has redundancy configured.
> At least one bucket in a region has fewer than the configured number of
> redundant copies.
> * At least one of the explicitly included partitioned regions is not found.
> * There is a member in the system with a version of Geode older than 1.13.0
> (assuming that is the version in which this feature is implemented).
> * The restore redundancy function encounters an exception.
> The second command will determine the current redundancy status for the
> specified regions and report it to the user.
> Both commands will take optional {{\-\-include-region}} and
> {{\-\-exclude-region}} arguments, similar to the existing rebalance command.
> If neither argument is specified, all regions will be included. Included
> regions will take precedence over excluded regions when both are specified.
> The restore redundancy command will also take an optional
> {{\-\-reassign-primaries}} argument to determine if primaries should be
> reassigned or not during the operation. The default behaviour will be to
> reassign primaries.
> Both commands will output a list of regions with zero redundant copies first
> (unless they are configured to have zero redundancy), then regions with less
> than their configured redundancy, then regions with full redundancy. The
> restore redundancy command will also output information about how many
> primaries were reassigned and how long that process took, similar to the
> existing rebalance command.
> As described here:
> [https://cwiki.apache.org/confluence/display/GEODE/Redundancy+Gfsh+Commands]
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