mirror of https://github.com/apache/cloudstack.git
116 lines
4.0 KiB
Java
Executable File
116 lines
4.0 KiB
Java
Executable File
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package com.cloud.ha;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import javax.inject.Inject;
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import javax.naming.ConfigurationException;
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import org.apache.log4j.Logger;
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import com.cloud.agent.AgentManager;
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import com.cloud.agent.api.Answer;
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import com.cloud.agent.api.PingTestCommand;
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import com.cloud.exception.AgentUnavailableException;
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import com.cloud.exception.OperationTimedoutException;
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import com.cloud.host.Host.Type;
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import com.cloud.host.HostVO;
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import com.cloud.host.Status;
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import com.cloud.host.dao.HostDao;
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import com.cloud.resource.ResourceManager;
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import com.cloud.utils.component.AdapterBase;
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import com.cloud.utils.db.QueryBuilder;
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import com.cloud.utils.db.SearchCriteria.Op;
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public abstract class AbstractInvestigatorImpl extends AdapterBase implements Investigator {
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private static final Logger s_logger = Logger.getLogger(AbstractInvestigatorImpl.class);
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@Inject private final HostDao _hostDao = null;
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@Inject private final AgentManager _agentMgr = null;
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@Inject private final ResourceManager _resourceMgr = null;
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@Override
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public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
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return true;
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}
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@Override
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public boolean start() {
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return true;
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}
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@Override
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public boolean stop() {
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return true;
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}
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// Host.status is up and Host.type is routing
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protected List<Long> findHostByPod(long podId, Long excludeHostId) {
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QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
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sc.and(sc.entity().getType(), Op.EQ, Type.Routing);
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sc.and(sc.entity().getPodId(), Op.EQ, podId);
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sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
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List<HostVO> hosts = sc.list();
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List<Long> hostIds = new ArrayList<Long>(hosts.size());
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for (HostVO h : hosts) {
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hostIds.add(h.getId());
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}
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if (excludeHostId != null) {
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hostIds.remove(excludeHostId);
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}
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return hostIds;
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}
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protected Status testIpAddress(Long hostId, String testHostIp) {
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try {
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Answer pingTestAnswer = _agentMgr.send(hostId, new PingTestCommand(testHostIp));
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if(pingTestAnswer == null) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("host (" + testHostIp + ") returns null answer");
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}
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return null;
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}
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if (pingTestAnswer.getResult()) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("host (" + testHostIp + ") has been successfully pinged, returning that host is up");
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}
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// computing host is available, but could not reach agent, return false
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return Status.Up;
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} else {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("host (" + testHostIp + ") cannot be pinged, returning null ('I don't know')");
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}
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return null;
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}
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} catch (AgentUnavailableException e) {
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return null;
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} catch (OperationTimedoutException e) {
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return null;
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}
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}
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}
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