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/*
* Copyright 2019 Netflix, Inc.
*
* 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 io.mantisrx.master.scheduler;
//
//import com.netflix.fenzo.AsSoftConstraint;
//import com.netflix.fenzo.ConstraintEvaluator;
//import com.netflix.fenzo.VMTaskFitnessCalculator;
//import com.netflix.fenzo.plugins.BalancedHostAttrConstraint;
//import com.netflix.fenzo.plugins.ExclusiveHostConstraint;
//import com.netflix.fenzo.plugins.UniqueHostAttrConstraint;
//import io.mantisrx.runtime.JobConstraints;
//import io.mantisrx.server.master.config.ConfigurationProvider;
//import io.mantisrx.server.master.ClusterAffinityConstraint;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import com.netflix.fenzo.functions.Func1;
//
//import java.util.Set;
//
//public class ConstraintsEvaluators {
//
// private static final String MANTISAGENT_MAIN_M4 = "mantisagent-main-m4";
// private static final int EXPECTED_NUM_ZONES = 3;
// private static ExclusiveHostConstraint exclusiveHostConstraint = new ExclusiveHostConstraint();
// private static final Logger logger = LoggerFactory.getLogger(ConstraintsEvaluators.class);
//
// public static ConstraintEvaluator hardConstraint(JobConstraints constraint, final Set coTasks) {
// switch (constraint) {
// case ExclusiveHost:
// return exclusiveHostConstraint;
// case UniqueHost:
// return new UniqueHostAttrConstraint(new Func1>() {
// @Override
// public Set call(String s) {
// return coTasks;
// }
// });
// case ZoneBalance:
// return new BalancedHostAttrConstraint(new Func1>() {
// @Override
// public Set call(String s) {
// return coTasks;
// }
// }, zoneAttributeName(), EXPECTED_NUM_ZONES);
// case M4Cluster:
// return new ClusterAffinityConstraint(asgAttributeName(), MANTISAGENT_MAIN_M4);
// default:
// logger.error("Unknown job hard constraint " + constraint);
// return null;
// }
// }
//
// private static String asgAttributeName() {
// return ConfigurationProvider.getConfig().getActiveSlaveAttributeName();
// }
//
// private static String zoneAttributeName() {
// return ConfigurationProvider.getConfig().getHostZoneAttributeName();
// }
//
// public static VMTaskFitnessCalculator softConstraint(JobConstraints constraint, final Set coTasks) {
// switch (constraint) {
// case ExclusiveHost:
// return AsSoftConstraint.get(exclusiveHostConstraint);
// case UniqueHost:
// return AsSoftConstraint.get(new UniqueHostAttrConstraint(new Func1>() {
// @Override
// public Set call(String s) {
// return coTasks;
// }
// }));
// case ZoneBalance:
// return new BalancedHostAttrConstraint(new Func1>() {
// @Override
// public Set call(String s) {
// return coTasks;
// }
// }, zoneAttributeName(), EXPECTED_NUM_ZONES).asSoftConstraint();
// case M4Cluster:
// return AsSoftConstraint.get(new ClusterAffinityConstraint(asgAttributeName(), MANTISAGENT_MAIN_M4));
// default:
// logger.error("Unknown job soft constraint " + constraint);
// return null;
// }
// }
//}