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https://github.com/open-telemetry/opentelemetry-go.git
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037719b646
* Replace view usage in sdk/metric * Replace view use in stdoutmetric * Replace view use in prometheus exporter * Replace view use in otlpmetric exporters * Replace view use in view example
59 lines
2.3 KiB
Go
59 lines
2.3 KiB
Go
// Copyright The 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 otlpmetric // import "go.opentelemetry.io/otel/exporters/otlp/otlpmetric"
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import (
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"context"
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"go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/metric/aggregation"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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mpb "go.opentelemetry.io/proto/otlp/metrics/v1"
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)
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// Client handles the transmission of OTLP data to an OTLP receiving endpoint.
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type Client interface {
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// Temporality returns the Temporality to use for an instrument kind.
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Temporality(metric.InstrumentKind) metricdata.Temporality
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// Aggregation returns the Aggregation to use for an instrument kind.
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Aggregation(metric.InstrumentKind) aggregation.Aggregation
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// UploadMetrics transmits metric data to an OTLP receiver.
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//
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// All retry logic must be handled by UploadMetrics alone, the Exporter
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// does not implement any retry logic. All returned errors are considered
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// unrecoverable.
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UploadMetrics(context.Context, *mpb.ResourceMetrics) error
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// ForceFlush flushes any metric data held by an Client.
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//
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// The deadline or cancellation of the passed context must be honored. An
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// appropriate error should be returned in these situations.
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ForceFlush(context.Context) error
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// Shutdown flushes all metric data held by a Client and closes any
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// connections it holds open.
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//
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// The deadline or cancellation of the passed context must be honored. An
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// appropriate error should be returned in these situations.
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//
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// Shutdown will only be called once by the Exporter. Once a return value
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// is received by the Exporter from Shutdown the Client will not be used
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// anymore. Therefore all computational resources need to be released
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// after this is called so the Client can be garbage collected.
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Shutdown(context.Context) error
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}
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