com.spotify.autoscaler.metric.ClusterLoadGauges Maven / Gradle / Ivy

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/*-
 * -\-\-
 * bigtable-autoscaler
 * --
 * Copyright (C) 2018 Spotify AB
 * --
 * 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.spotify.autoscaler.metric;

import com.codahale.metrics.Gauge;
import java.util.Map;

public enum ClusterLoadGauges {
  CPU("cpu-util") {
    @Override
    public Gauge getMetricValue(
        final Map registeredClusters, final String clusterName) {
      return () -> {
        ClusterData clusterData = registeredClusters.get(clusterName);
        return clusterData.cpuUtil();
      };
    }
  },
  STORAGE("storage-util") {
    @Override
    public Gauge getMetricValue(
        final Map registeredClusters, final String clusterName) {
      return () -> {
        ClusterData clusterData = registeredClusters.get(clusterName);
        return clusterData.storageUtil();
      };
    }
  };

  private String tag;

  public String getTag() {
    return tag;
  }

  ClusterLoadGauges(final String tag) {
    this.tag = tag;
  }

  public abstract Gauge getMetricValue(
      final Map registeredClusters, final String clusterName);
}