89 lines
3.1 KiB
Go
89 lines
3.1 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 env // import "go.opentelemetry.io/otel/sdk/internal/env"
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import (
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"os"
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"strconv"
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"go.opentelemetry.io/otel/internal/global"
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)
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// Environment variable names
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const (
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// BatchSpanProcessorScheduleDelayKey
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// Delay interval between two consecutive exports.
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// i.e. 5000
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BatchSpanProcessorScheduleDelayKey = "OTEL_BSP_SCHEDULE_DELAY"
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// BatchSpanProcessorExportTimeoutKey
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// Maximum allowed time to export data.
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// i.e. 3000
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BatchSpanProcessorExportTimeoutKey = "OTEL_BSP_EXPORT_TIMEOUT"
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// BatchSpanProcessorMaxQueueSizeKey
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// Maximum queue size
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// i.e. 2048
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BatchSpanProcessorMaxQueueSizeKey = "OTEL_BSP_MAX_QUEUE_SIZE"
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// BatchSpanProcessorMaxExportBatchSizeKey
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// Maximum batch size
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// Note: Must be less than or equal to EnvBatchSpanProcessorMaxQueueSize
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// i.e. 512
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BatchSpanProcessorMaxExportBatchSizeKey = "OTEL_BSP_MAX_EXPORT_BATCH_SIZE"
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)
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// IntEnvOr returns the int value of the environment variable with name key if
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// it exists and the value is an int. Otherwise, defaultValue is returned.
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func IntEnvOr(key string, defaultValue int) int {
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value, ok := os.LookupEnv(key)
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if !ok {
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return defaultValue
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}
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intValue, err := strconv.Atoi(value)
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if err != nil {
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global.Info("Got invalid value, number value expected.", key, value)
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return defaultValue
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}
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return intValue
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}
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// BatchSpanProcessorScheduleDelay returns the environment variable value for
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// the OTEL_BSP_SCHEDULE_DELAY key if it exists, otherwise defaultValue is
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// returned.
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func BatchSpanProcessorScheduleDelay(defaultValue int) int {
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return IntEnvOr(BatchSpanProcessorScheduleDelayKey, defaultValue)
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}
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// BatchSpanProcessorExportTimeout returns the environment variable value for
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// the OTEL_BSP_EXPORT_TIMEOUT key if it exists, otherwise defaultValue is
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// returned.
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func BatchSpanProcessorExportTimeout(defaultValue int) int {
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return IntEnvOr(BatchSpanProcessorExportTimeoutKey, defaultValue)
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}
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// BatchSpanProcessorMaxQueueSize returns the environment variable value for
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// the OTEL_BSP_MAX_QUEUE_SIZE key if it exists, otherwise defaultValue is
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// returned.
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func BatchSpanProcessorMaxQueueSize(defaultValue int) int {
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return IntEnvOr(BatchSpanProcessorMaxQueueSizeKey, defaultValue)
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}
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// BatchSpanProcessorMaxExportBatchSize returns the environment variable value for
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// the OTEL_BSP_MAX_EXPORT_BATCH_SIZE key if it exists, otherwise defaultValue
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// is returned.
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func BatchSpanProcessorMaxExportBatchSize(defaultValue int) int {
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return IntEnvOr(BatchSpanProcessorMaxExportBatchSizeKey, defaultValue)
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}
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