forked from kubernetes-retired/heapster
/
helper.go
48 lines (43 loc) · 1.51 KB
/
helper.go
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// Copyright 2015 Google Inc. All Rights Reserved.
//
// 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 processors
import (
"fmt"
"k8s.io/heapster/metrics/core"
)
func aggregate(src, dst *core.MetricSet, metricsToAggregate []string) error {
for _, metricName := range metricsToAggregate {
metricValue, found := src.MetricValues[metricName]
if !found {
continue
}
aggregatedValue, found := dst.MetricValues[metricName]
if found {
if aggregatedValue.ValueType != metricValue.ValueType {
return fmt.Errorf("NamespaceAggregator: type not supported in %s", metricName)
}
if aggregatedValue.ValueType == core.ValueInt64 {
aggregatedValue.IntValue += metricValue.IntValue
} else if aggregatedValue.ValueType == core.ValueFloat {
aggregatedValue.FloatValue += metricValue.FloatValue
} else {
return fmt.Errorf("NamespaceAggregator: type not supported in %s", metricName)
}
} else {
aggregatedValue = metricValue
}
dst.MetricValues[metricName] = aggregatedValue
}
return nil
}