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new 0c2533c RATIS-1429. Add ratis-shell setPriority command (#532)
0c2533c is described below
commit 0c2533c1ceb2f1347b0ae3d276725391c78f2bf0
Author: Yaolong Liu <[email protected]>
AuthorDate: Sat Nov 13 15:07:04 2021 +0800
RATIS-1429. Add ratis-shell setPriority command (#532)
---
.../shell/cli/sh/command/SetPriorityCommand.java | 114 +++++++++++++++++++++
1 file changed, 114 insertions(+)
diff --git
a/ratis-shell/src/main/java/org/apache/ratis/shell/cli/sh/command/SetPriorityCommand.java
b/ratis-shell/src/main/java/org/apache/ratis/shell/cli/sh/command/SetPriorityCommand.java
new file mode 100644
index 0000000..0d9cd00
--- /dev/null
+++
b/ratis-shell/src/main/java/org/apache/ratis/shell/cli/sh/command/SetPriorityCommand.java
@@ -0,0 +1,114 @@
+/*
+ * 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.ratis.shell.cli.sh.command;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.ratis.client.RaftClient;
+import org.apache.ratis.protocol.RaftClientReply;
+import org.apache.ratis.protocol.RaftPeer;
+import org.apache.ratis.shell.cli.RaftUtils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Command for setting priority of the specific ratis server.
+ */
+public class SetPriorityCommand extends AbstractRatisCommand {
+ public static final String PEER_WITH_NEW_PRIORITY_OPTION_NAME =
"addressPriority";
+
+ /**
+ * @param context command context
+ */
+ public SetPriorityCommand(Context context) {
+ super(context);
+ }
+
+ @Override
+ public String getCommandName() {
+ return "setPriority";
+ }
+
+ @Override
+ public int run(CommandLine cl) throws IOException {
+ super.run(cl);
+ Map<String, Integer> addressPriorityMap = new HashMap<>();
+ for (String optionValue :
cl.getOptionValues(PEER_WITH_NEW_PRIORITY_OPTION_NAME)) {
+ String[] str = optionValue.split("[|]");
+ if(str.length < 2) {
+ println("The format of the parameter is wrong");
+ return -1;
+ }
+ addressPriorityMap.put(str[0], Integer.parseInt(str[1]));
+ }
+
+ try (RaftClient client = RaftUtils.createClient(getRaftGroup())) {
+ List<RaftPeer> peers = new ArrayList<>();
+ for (RaftPeer peer : getRaftGroup().getPeers()) {
+ if (!addressPriorityMap.containsKey(peer.getAddress())) {
+ peers.add(RaftPeer.newBuilder(peer).build());
+ } else {
+ peers.add(RaftPeer.newBuilder(peer)
+
.setPriority(addressPriorityMap.get(peer.getAddress()))
+ .build()
+ );
+ }
+ }
+ RaftClientReply reply = client.admin().setConfiguration(peers);
+ processReply(reply, () -> "failed to set master priorities ");
+ }
+ return 0;
+ }
+
+ @Override
+ public String getUsage() {
+ return String.format("%s"
+ + " -%s
<PEER0_HOST:PEER0_PORT,PEER1_HOST:PEER1_PORT,PEER2_HOST:PEER2_PORT>"
+ + " [-%s <RAFT_GROUP_ID>]"
+ + " -%s <PEER_HOST:PEER_PORT|PRIORITY>",
+ getCommandName(), PEER_OPTION_NAME, GROUPID_OPTION_NAME,
PEER_WITH_NEW_PRIORITY_OPTION_NAME);
+ }
+
+ @Override
+ public String getDescription() {
+ return description();
+ }
+
+ @Override
+ public Options getOptions() {
+ return super.getOptions().addOption(
+ Option.builder()
+ .option(PEER_WITH_NEW_PRIORITY_OPTION_NAME)
+ .hasArg()
+ .required()
+ .desc("Peers information with priority")
+ .build());
+ }
+
+ /**
+ * @return command's description
+ */
+ public static String description() {
+ return "Set priority to ratis peers";
+ }
+}
