cloudstack/server/src/com/cloud/api/query/dao/HostJoinDaoImpl.java

// 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 com.cloud.api.query.dao;

import java.text.DecimalFormat;
import java.util.Date;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import javax.ejb.Local;

import org.apache.log4j.Logger;

import com.cloud.api.ApiDBUtils;
import com.cloud.api.query.vo.HostJoinVO;
import com.cloud.host.Host;
import com.cloud.host.HostStats;

import org.apache.cloudstack.api.ApiConstants.HostDetails;
import org.apache.cloudstack.api.response.HostResponse;
import com.cloud.storage.StorageStats;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;


@Local(value={HostJoinDao.class})
public class HostJoinDaoImpl extends GenericDaoBase<HostJoinVO, Long> implements HostJoinDao {
    public static final Logger s_logger = Logger.getLogger(HostJoinDaoImpl.class);

    private SearchBuilder<HostJoinVO> vrSearch;

    private SearchBuilder<HostJoinVO> vrIdSearch;


    protected HostJoinDaoImpl() {

        vrSearch = createSearchBuilder();
        vrSearch.and("idIN", vrSearch.entity().getId(), SearchCriteria.Op.IN);
        vrSearch.done();

        vrIdSearch = createSearchBuilder();
        vrIdSearch.and("id", vrIdSearch.entity().getId(), SearchCriteria.Op.EQ);
        vrIdSearch.done();

        this._count = "select count(distinct id) from host_view WHERE ";
    }



    @Override
    public HostResponse newHostResponse(HostJoinVO host, EnumSet<HostDetails> details) {
        HostResponse hostResponse = new HostResponse();
        hostResponse.setId(host.getUuid());
        hostResponse.setCapabilities(host.getCapabilities());
        hostResponse.setClusterId(host.getClusterUuid());
        hostResponse.setCpuNumber(host.getCpus());
        hostResponse.setZoneId(host.getUuid());
        hostResponse.setDisconnectedOn(host.getDisconnectedOn());
        hostResponse.setHypervisor(host.getHypervisorType());
        hostResponse.setHostType(host.getType());
        hostResponse.setLastPinged(new Date(host.getLastPinged()));
        hostResponse.setManagementServerId(host.getManagementServerId());
        hostResponse.setName(host.getName());
        hostResponse.setPodId(host.getPodUuid());
        hostResponse.setRemoved(host.getRemoved());
        hostResponse.setCpuSpeed(host.getSpeed());
        hostResponse.setState(host.getStatus());
        hostResponse.setIpAddress(host.getPrivateIpAddress());
        hostResponse.setVersion(host.getVersion());
        hostResponse.setCreated(host.getCreated());

        if (details.contains(HostDetails.all) || details.contains(HostDetails.capacity)
                || details.contains(HostDetails.stats) || details.contains(HostDetails.events)) {

                hostResponse.setOsCategoryId(host.getOsCategoryUuid());
                hostResponse.setOsCategoryName(host.getOsCategoryName());
                hostResponse.setZoneName(host.getZoneName());
                hostResponse.setPodName(host.getPodName());
                if ( host.getClusterId() > 0) {
                    hostResponse.setClusterName(host.getClusterName());
                    hostResponse.setClusterType(host.getClusterType().toString());
                }
        }

        DecimalFormat decimalFormat = new DecimalFormat("#.##");
        if (host.getType() == Host.Type.Routing) {
            if (details.contains(HostDetails.all) || details.contains(HostDetails.capacity)) {
                // set allocated capacities
                Long mem = host.getMemReservedCapacity() + host.getMemUsedCapacity();
                Long cpu = host.getCpuReservedCapacity() + host.getCpuReservedCapacity();

                hostResponse.setMemoryAllocated(mem);
                hostResponse.setMemoryTotal(host.getTotalMemory());

                String hostTags = host.getTag();
                hostResponse.setHostTags(host.getTag());

                String haTag = ApiDBUtils.getHaTag();
                if (haTag != null && !haTag.isEmpty() && hostTags != null && !hostTags.isEmpty()) {
                    if (haTag.equalsIgnoreCase(hostTags)) {
                        hostResponse.setHaHost(true);
                    } else {
                        hostResponse.setHaHost(false);
                    }
                } else {
                    hostResponse.setHaHost(false);
                }

                hostResponse.setHypervisorVersion(host.getHypervisorVersion());

                String cpuAlloc = decimalFormat.format(((float) cpu / (float) (host.getCpus() * host.getSpeed())) * 100f) + "%";
                hostResponse.setCpuAllocated(cpuAlloc);
                String cpuWithOverprovisioning = new Float(host.getCpus() * host.getSpeed() * ApiDBUtils.getCpuOverprovisioningFactor()).toString();
                hostResponse.setCpuWithOverprovisioning(cpuWithOverprovisioning);
            }

            if (details.contains(HostDetails.all) || details.contains(HostDetails.stats)) {
                // set CPU/RAM/Network stats
                String cpuUsed = null;
                HostStats hostStats = ApiDBUtils.getHostStatistics(host.getId());
                if (hostStats != null) {
                    float cpuUtil = (float) hostStats.getCpuUtilization();
                    cpuUsed = decimalFormat.format(cpuUtil) + "%";
                    hostResponse.setCpuUsed(cpuUsed);
                    hostResponse.setMemoryUsed((new Double(hostStats.getUsedMemory())).longValue());
                    hostResponse.setNetworkKbsRead((new Double(hostStats.getNetworkReadKBs())).longValue());
                    hostResponse.setNetworkKbsWrite((new Double(hostStats.getNetworkWriteKBs())).longValue());

                }
            }

        } else if (host.getType() == Host.Type.SecondaryStorage) {
            StorageStats secStorageStats = ApiDBUtils.getSecondaryStorageStatistics(host.getId());
            if (secStorageStats != null) {
                hostResponse.setDiskSizeTotal(secStorageStats.getCapacityBytes());
                hostResponse.setDiskSizeAllocated(secStorageStats.getByteUsed());
            }
        }

        hostResponse.setLocalStorageActive(ApiDBUtils.isLocalStorageActiveOnHost(host.getId()));

        if (details.contains(HostDetails.all) || details.contains(HostDetails.events)) {
            Set<com.cloud.host.Status.Event> possibleEvents = host.getStatus().getPossibleEvents();
            if ((possibleEvents != null) && !possibleEvents.isEmpty()) {
                String events = "";
                Iterator<com.cloud.host.Status.Event> iter = possibleEvents.iterator();
                while (iter.hasNext()) {
                    com.cloud.host.Status.Event event = iter.next();
                    events += event.toString();
                    if (iter.hasNext()) {
                        events += "; ";
                    }
                }
                hostResponse.setEvents(events);
            }
        }

        hostResponse.setResourceState(host.getResourceState().toString());

        // set async job
        hostResponse.setJobId(host.getJobUuid());
        hostResponse.setJobStatus(host.getJobStatus());

        hostResponse.setObjectName("host");

        return hostResponse;
    }






    @Override
    public HostResponse setHostResponse(HostResponse response, HostJoinVO host) {
        String tag = host.getTag();
        if (tag != null) {
            if ( response.getHostTags() != null && response.getHostTags().length() > 0){
                response.setHostTags(response.getHostTags() + "," + tag);
            }
            else{
                response.setHostTags(tag);
            }
        }
        return response;
    }



    @Override
    public List<HostJoinVO> newHostView(Host host) {
        SearchCriteria<HostJoinVO> sc = vrIdSearch.create();
        sc.setParameters("id", host.getId());
        return searchIncludingRemoved(sc, null, null, false);

    }



    @Override
    public List<HostJoinVO> searchByIds(Long... ids) {
        SearchCriteria<HostJoinVO> sc = vrSearch.create();
        sc.setParameters("idIN", ids);
        return searchIncludingRemoved(sc, null, null, false);
    }




}