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21 lines
484 B
Go
21 lines
484 B
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package zipkin // import "go.opentelemetry.io/otel/exporters/zipkin"
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import "os"
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// Environment variable names.
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const (
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// Endpoint for Zipkin collector.
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envEndpoint = "OTEL_EXPORTER_ZIPKIN_ENDPOINT"
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)
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// envOr returns an env variable's value if it is exists or the default if not.
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func envOr(key, defaultValue string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return defaultValue
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}
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