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/*******************************************************************************
* Copyright 2016 ContainX and OpenStack4j
*
* Licensed 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.
*******************************************************************************/
/*******************************************************************************
* Huawei has modified this source file.
* Copyright 2018 Huawei Technologies Co.,Ltd.
*
* Licensed 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.huawei.openstack4j.openstack.telemetry.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.List;
import com.huawei.openstack4j.api.telemetry.MeterService;
import com.huawei.openstack4j.model.telemetry.Meter;
import com.huawei.openstack4j.model.telemetry.MeterSample;
import com.huawei.openstack4j.model.telemetry.SampleCriteria;
import com.huawei.openstack4j.model.telemetry.Statistics;
import com.huawei.openstack4j.model.telemetry.SampleCriteria.NameOpValue;
import com.huawei.openstack4j.openstack.common.ListEntity;
import com.huawei.openstack4j.openstack.telemetry.domain.CeilometerMeter;
import com.huawei.openstack4j.openstack.telemetry.domain.CeilometerMeterSample;
import com.huawei.openstack4j.openstack.telemetry.domain.CeilometerStatistics;
/**
* Provides Measurements against Meters within an OpenStack deployment
*
* @author Jeremy Unruh
*/
public class MeterServiceImpl extends BaseTelemetryServices implements MeterService {
private static final String FIELD = "q.field";
private static final String OPER = "q.op";
private static final String VALUE = "q.value";
/**
* {@inheritDoc}
*/
@Override
public List list() {
CeilometerMeter[] meters = get(CeilometerMeter[].class, uri("/meters")).execute();
return wrapList(meters);
}
/**
* {@inheritDoc}
*/
@Override
public List samples(String meterName) {
checkNotNull(meterName);
CeilometerMeterSample[] samples = get(CeilometerMeterSample[].class, uri("/meters/%s", meterName)).execute();
return wrapList(samples);
}
/**
* {@inheritDoc}
*/
@Override
public List samples(String meterName, SampleCriteria criteria) {
checkNotNull(meterName);
Invocation invocation = get(CeilometerMeterSample[].class, uri("/meters/%s", meterName));
if (criteria != null && !criteria.getCriteriaParams().isEmpty()) {
for (NameOpValue c : criteria.getCriteriaParams()) {
invocation.param(FIELD, c.getField());
invocation.param(OPER, c.getOperator().getQueryValue());
invocation.param(VALUE, c.getValue());
}
}
CeilometerMeterSample[] samples = invocation.execute();
return wrapList(samples);
}
/**
* {@inheritDoc}
*/
@Override
public List statistics(String meterName) {
return statistics(meterName, null, 0);
}
@Override
public List statistics(String meterName, int period) {
return statistics(meterName, null, period);
}
@Override
public List statistics(String meterName, SampleCriteria criteria) {
return statistics(meterName, criteria, 0);
}
@Override
public List statistics(String meterName, SampleCriteria criteria, int period) {
checkNotNull(meterName);
Invocation invocation = get(CeilometerStatistics[].class, uri("/meters/%s/statistics", meterName))
.param(period > 0, "period", period);
if (criteria != null && !criteria.getCriteriaParams().isEmpty()) {
for (NameOpValue c : criteria.getCriteriaParams()) {
invocation.param(FIELD, c.getField());
invocation.param(OPER, c.getOperator().getQueryValue());
invocation.param(VALUE, c.getValue());
}
}
CeilometerStatistics[] stats = invocation.execute();
return wrapList(stats);
}
@Override
public void putSamples(List sampleList, String meterName) {
ListEntity listEntity= new ListEntity(sampleList);
post(Void.class,uri("/meters/%s",meterName)).entity(listEntity).execute();
}
}
