prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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35 lines
1.3 KiB
35 lines
1.3 KiB
// Copyright 2015 The Prometheus Authors |
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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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// Exporter is a prometheus exporter using multiple Factories to collect and export system metrics. |
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package collector |
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import ( |
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"github.com/prometheus/client_golang/prometheus" |
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) |
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const Namespace = "node" |
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var Factories = make(map[string]func() (Collector, error)) |
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// Interface a collector has to implement. |
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type Collector interface { |
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// Get new metrics and expose them via prometheus registry. |
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Update(ch chan<- prometheus.Metric) (err error) |
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} |
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// TODO: Instead of periodically call Update, a Collector could be implemented |
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// as a real prometheus.Collector that only gathers metrics when |
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// scraped. (However, for metric gathering that takes very long, it might |
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// actually be better to do them proactively before scraping to minimize scrape |
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// time.)
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