60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
// Copyright 2019, OpenTelemetry 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 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 prometheusexporter
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import (
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"context"
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"errors"
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// TODO: once this repository has been transferred to the
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// official census-ecosystem location, update this import path.
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"github.com/orijtech/prometheus-go-metrics-exporter"
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"github.com/open-telemetry/opentelemetry-collector/consumer"
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"github.com/open-telemetry/opentelemetry-collector/consumer/consumerdata"
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"github.com/open-telemetry/opentelemetry-collector/exporter"
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"github.com/open-telemetry/opentelemetry-collector/exporter/exporterhelper"
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)
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var errBlankPrometheusAddress = errors.New("expecting a non-blank address to run the Prometheus metrics handler")
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type prometheusExporter struct {
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name string
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exporter *prometheus.Exporter
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shutdown exporterhelper.Shutdown
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}
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var _ consumer.MetricsConsumer = (*prometheusExporter)(nil)
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func (pe *prometheusExporter) Start(host exporter.Host) error {
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return nil
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}
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func (pe *prometheusExporter) ConsumeMetricsData(ctx context.Context, md consumerdata.MetricsData) error {
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for _, metric := range md.Metrics {
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_ = pe.exporter.ExportMetric(ctx, md.Node, md.Resource, metric)
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}
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return nil
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}
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func (pe *prometheusExporter) Name() string {
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return pe.name
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}
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// Shutdown stops the exporter and is invoked during shutdown.
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func (pe *prometheusExporter) Shutdown() error {
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return pe.shutdown()
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}
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