1e35331848
Add Fs stats to statsd Update import for pointing to official repository Update statsd storage for respecting fmt coding style Create a separate client file Fix gofmt
128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package statsd
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import (
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info "github.com/google/cadvisor/info/v1"
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client "github.com/google/cadvisor/storage/statsd/client"
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)
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type statsdStorage struct {
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client *client.Client
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Namespace string
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}
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const (
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colCpuCumulativeUsage string = "cpu_cumulative_usage"
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// Memory Usage
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colMemoryUsage string = "memory_usage"
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// Working set size
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colMemoryWorkingSet string = "memory_working_set"
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// Cumulative count of bytes received.
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colRxBytes string = "rx_bytes"
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// Cumulative count of receive errors encountered.
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colRxErrors string = "rx_errors"
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// Cumulative count of bytes transmitted.
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colTxBytes string = "tx_bytes"
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// Cumulative count of transmit errors encountered.
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colTxErrors string = "tx_errors"
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// Filesystem summary
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colFsSummary = "fs_summary"
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// Filesystem limit.
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colFsLimit = "fs_limit"
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// Filesystem usage.
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colFsUsage = "fs_usage"
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)
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func (self *statsdStorage) containerStatsToValues(
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stats *info.ContainerStats,
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) (series map[string]uint64) {
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series = make(map[string]uint64)
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// Cumulative Cpu Usage
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series[colCpuCumulativeUsage] = stats.Cpu.Usage.Total
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// Memory Usage
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series[colMemoryUsage] = stats.Memory.Usage
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// Working set size
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series[colMemoryWorkingSet] = stats.Memory.WorkingSet
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// Network stats.
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series[colRxBytes] = stats.Network.RxBytes
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series[colRxErrors] = stats.Network.RxErrors
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series[colTxBytes] = stats.Network.TxBytes
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series[colTxErrors] = stats.Network.TxErrors
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return series
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}
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func (self *statsdStorage) containerFsStatsToValues(
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series *map[string]uint64,
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stats *info.ContainerStats,
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) {
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for _, fsStat := range stats.Filesystem {
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// Summary stats.
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(*series)[colFsSummary+"."+colFsLimit] += fsStat.Limit
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(*series)[colFsSummary+"."+colFsUsage] += fsStat.Usage
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// Per device stats.
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(*series)[fsStat.Device+"."+colFsLimit] = fsStat.Limit
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(*series)[fsStat.Device+"."+colFsUsage] = fsStat.Usage
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}
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}
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//Push the data into redis
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func (self *statsdStorage) AddStats(ref info.ContainerReference, stats *info.ContainerStats) error {
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if stats == nil {
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return nil
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}
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var containerName string
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if len(ref.Aliases) > 0 {
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containerName = ref.Aliases[0]
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} else {
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containerName = ref.Name
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}
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series := self.containerStatsToValues(stats)
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self.containerFsStatsToValues(&series, stats)
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for key, value := range series {
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err := self.client.Send(self.Namespace, containerName, key, value)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (self *statsdStorage) Close() error {
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self.client.Close()
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self.client = nil
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return nil
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}
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func New(namespace, hostPort string) (*statsdStorage, error) {
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statsdClient, err := client.New(hostPort)
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if err != nil {
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return nil, err
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}
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statsdStorage := &statsdStorage{
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client: statsdClient,
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Namespace: namespace,
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}
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return statsdStorage, nil
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}
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