mirror of
https://github.com/etcd-io/etcd.git
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b1d41016b2
Moves the vendor/ directory to cmd/vendor. Vendored binaries are built from cmd/, which is backed by symlinks pointing back to repo root.
76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
// Copyright 2014 The Cockroach Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License. See the AUTHORS file
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// for names of contributors.
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//
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// Author: Tyler Neely (t@jujit.su)
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package loghisto
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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)
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type graphiteStat struct {
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Metric string
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Time int64
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Value float64
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Host string
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}
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type graphiteStatArray []*graphiteStat
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func (stats graphiteStatArray) ToRequest() []byte {
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var request bytes.Buffer
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for _, stat := range stats {
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request.Write([]byte(fmt.Sprintf("cockroach.%s.%s %f %d\n",
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stat.Host,
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strings.Replace(stat.Metric, "_", ".", -1),
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stat.Value,
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stat.Time,
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)))
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}
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return []byte(request.String())
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}
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func (metricSet *ProcessedMetricSet) tographiteStats() graphiteStatArray {
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hostname, err := os.Hostname()
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if err != nil {
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hostname = "unknown"
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}
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stats := make([]*graphiteStat, 0, len(metricSet.Metrics))
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i := 0
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for metric, value := range metricSet.Metrics {
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//TODO(tyler) custom tags
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stats = append(stats, &graphiteStat{
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Metric: metric,
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Time: metricSet.Time.Unix(),
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Value: value,
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Host: hostname,
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})
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i++
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}
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return stats
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}
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// GraphiteProtocol generates a wire representation of a ProcessedMetricSet
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// for submission to a Graphite Carbon instance using the plaintext protocol.
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func GraphiteProtocol(ms *ProcessedMetricSet) []byte {
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return ms.tographiteStats().ToRequest()
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}
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