| /* |
| * 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.ignite.internal.commandline; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.logging.Logger; |
| import org.apache.ignite.cluster.ClusterState; |
| import org.apache.ignite.internal.client.GridClient; |
| import org.apache.ignite.internal.client.GridClientConfiguration; |
| |
| import static org.apache.ignite.cluster.ClusterState.ACTIVE; |
| import static org.apache.ignite.cluster.ClusterState.ACTIVE_READ_ONLY; |
| import static org.apache.ignite.cluster.ClusterState.INACTIVE; |
| import static org.apache.ignite.internal.commandline.CommandList.SET_STATE; |
| import static org.apache.ignite.internal.commandline.CommandLogger.optional; |
| import static org.apache.ignite.internal.commandline.CommandLogger.or; |
| import static org.apache.ignite.internal.commandline.CommonArgParser.CMD_AUTO_CONFIRMATION; |
| |
| /** |
| * Command to change cluster state. |
| */ |
| public class ClusterStateChangeCommand implements Command<ClusterState> { |
| /** Flag of forced cluster deactivation. */ |
| static final String FORCE_COMMAND = "--force"; |
| |
| /** New cluster state */ |
| private ClusterState state; |
| |
| /** Cluster name. */ |
| private String clusterName; |
| |
| /** If {@code true}, cluster deactivation will be forced. */ |
| private boolean forceDeactivation; |
| |
| /** {@inheritDoc} */ |
| @Override public void printUsage(Logger log) { |
| Map<String, String> params = new LinkedHashMap<>(); |
| |
| params.put(ACTIVE.toString(), "Activate cluster. Cache updates are allowed."); |
| params.put(INACTIVE.toString(), "Deactivate cluster."); |
| params.put(ACTIVE_READ_ONLY.toString(), "Activate cluster. Cache updates are denied."); |
| |
| Command.usage(log, "Change cluster state:", SET_STATE, params, or((Object[])ClusterState.values()), |
| optional(FORCE_COMMAND), optional(CMD_AUTO_CONFIRMATION)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void prepareConfirmation(GridClientConfiguration clientCfg) throws Exception { |
| try (GridClient client = Command.startClient(clientCfg)) { |
| clusterName = client.state().clusterName(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String confirmationPrompt() { |
| return "Warning: the command will change state of cluster with name \"" + clusterName + "\" to " + state + "."; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object execute(GridClientConfiguration clientCfg, Logger log) throws Exception { |
| try (GridClient client = Command.startClient(clientCfg)) { |
| client.state().state(state, forceDeactivation); |
| |
| log.info("Cluster state changed to " + state); |
| |
| return null; |
| } |
| catch (Throwable e) { |
| log.info("Failed to change cluster state to " + state); |
| |
| throw e; |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void parseArguments(CommandArgIterator argIter) { |
| String s = argIter.nextArg("New cluster state not found."); |
| |
| try { |
| state = ClusterState.valueOf(s.toUpperCase()); |
| } |
| catch (IllegalArgumentException e) { |
| throw new IllegalArgumentException("Can't parse new cluster state. State: " + s, e); |
| } |
| |
| forceDeactivation = false; |
| |
| if (argIter.hasNextArg()) { |
| String arg = argIter.peekNextArg(); |
| |
| if (FORCE_COMMAND.equalsIgnoreCase(arg)) { |
| forceDeactivation = true; |
| |
| argIter.nextArg(""); |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ClusterState arg() { |
| return state; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String name() { |
| return SET_STATE.toCommandName(); |
| } |
| } |