119 lines
3.2 KiB
Go
119 lines
3.2 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package pod
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import (
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"encoding/json"
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"fmt"
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"github.com/elastic/beats/libbeat/common"
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"github.com/elastic/beats/metricbeat/mb"
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"github.com/elastic/beats/metricbeat/module/kubernetes"
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"github.com/elastic/beats/metricbeat/module/kubernetes/util"
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)
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func eventMapping(content []byte, perfMetrics *util.PerfMetricsCache) ([]common.MapStr, error) {
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events := []common.MapStr{}
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var summary kubernetes.Summary
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err := json.Unmarshal(content, &summary)
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if err != nil {
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return nil, fmt.Errorf("Cannot unmarshal json response: %s", err)
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}
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node := summary.Node
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nodeCores := perfMetrics.NodeCoresAllocatable.Get(node.NodeName)
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nodeMem := perfMetrics.NodeMemAllocatable.Get(node.NodeName)
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for _, pod := range summary.Pods {
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var usageNanoCores, usageMem int64
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var coresLimit, memLimit float64
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for _, cont := range pod.Containers {
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cuid := util.ContainerUID(pod.PodRef.Namespace, pod.PodRef.Name, cont.Name)
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usageNanoCores += cont.CPU.UsageNanoCores
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usageMem += cont.Memory.UsageBytes
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coresLimit += perfMetrics.ContainerCoresLimit.GetWithDefault(cuid, nodeCores)
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memLimit += perfMetrics.ContainerMemLimit.GetWithDefault(cuid, nodeMem)
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}
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podEvent := common.MapStr{
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mb.ModuleDataKey: common.MapStr{
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"namespace": pod.PodRef.Namespace,
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"node": common.MapStr{
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"name": node.NodeName,
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},
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},
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"name": pod.PodRef.Name,
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"cpu": common.MapStr{
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"usage": common.MapStr{
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"nanocores": usageNanoCores,
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},
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},
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"memory": common.MapStr{
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"usage": common.MapStr{
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"bytes": usageMem,
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},
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},
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"network": common.MapStr{
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"rx": common.MapStr{
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"bytes": pod.Network.RxBytes,
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"errors": pod.Network.RxErrors,
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},
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"tx": common.MapStr{
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"bytes": pod.Network.TxBytes,
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"errors": pod.Network.TxErrors,
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},
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},
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}
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if pod.StartTime != "" {
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podEvent.Put("start_time", pod.StartTime)
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}
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if coresLimit > nodeCores {
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coresLimit = nodeCores
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}
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if memLimit > nodeMem {
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memLimit = nodeMem
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}
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if nodeCores > 0 {
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podEvent.Put("cpu.usage.node.pct", float64(usageNanoCores)/1e9/nodeCores)
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}
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if nodeMem > 0 {
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podEvent.Put("memory.usage.node.pct", float64(usageMem)/nodeMem)
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}
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if coresLimit > 0 {
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podEvent.Put("cpu.usage.limit.pct", float64(usageNanoCores)/1e9/coresLimit)
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}
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if memLimit > 0 {
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podEvent.Put("memory.usage.limit.pct", float64(usageMem)/memLimit)
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}
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events = append(events, podEvent)
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}
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return events, nil
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}
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