forked from kubernetes-retired/heapster
/
node_aggregator.go
54 lines (49 loc) · 1.69 KB
/
node_aggregator.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 (
"github.com/golang/glog"
"k8s.io/heapster/metrics/core"
)
// Does not add any nodes.
type NodeAggregator struct {
MetricsToAggregate []string
}
func (this *NodeAggregator) Name() string {
return "node_aggregator"
}
func (this *NodeAggregator) Process(batch *core.DataBatch) (*core.DataBatch, error) {
for key, metricSet := range batch.MetricSets {
if metricSetType, found := metricSet.Labels[core.LabelMetricSetType.Key]; found && metricSetType == core.MetricSetTypePod {
// Aggregating pods
nodeName, found := metricSet.Labels[core.LabelNodename.Key]
if nodeName == "" {
glog.V(8).Infof("Skipping pod %s: no node info", key)
continue
}
if found {
nodeKey := core.NodeKey(nodeName)
node, found := batch.MetricSets[nodeKey]
if !found {
glog.V(1).Info("No metric for node %s, cannot perform node level aggregation.")
} else if err := aggregate(metricSet, node, this.MetricsToAggregate); err != nil {
return nil, err
}
} else {
glog.Errorf("No node info in pod %s: %v", key, metricSet.Labels)
}
}
}
return batch, nil
}