62 lines
1.7 KiB
Go
62 lines
1.7 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 internal // import "go.opentelemetry.io/otel/exporters/otlp/internal"
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// ErrorKind is used to identify the kind of export error
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// being wrapped.
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type ErrorKind int
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const (
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// TracesExport indicates the error comes from the OTLP trace exporter.
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TracesExport ErrorKind = iota
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)
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// prefix returns a prefix for the Error() string.
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func (k ErrorKind) prefix() string {
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switch k {
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case TracesExport:
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return "traces export: "
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default:
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return "unknown: "
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}
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}
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// wrappedExportError wraps an OTLP exporter error with the kind of
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// signal that produced it.
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type wrappedExportError struct {
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wrap error
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kind ErrorKind
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}
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// WrapTracesError wraps an error from the OTLP exporter for traces.
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func WrapTracesError(err error) error {
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return wrappedExportError{
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wrap: err,
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kind: TracesExport,
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}
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}
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var _ error = wrappedExportError{}
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// Error attaches a prefix corresponding to the kind of exporter.
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func (t wrappedExportError) Error() string {
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return t.kind.prefix() + t.wrap.Error()
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}
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// Unwrap returns the wrapped error.
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func (t wrappedExportError) Unwrap() error {
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return t.wrap
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}
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