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env.go
43 lines (38 loc) · 1.05 KB
/
env.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016 Datadog, Inc.
package internal
import (
"os"
"strconv"
"gopkg.in/DataDog/dd-trace-go.v1/internal/log"
)
// BoolEnv returns the parsed boolean value of an environment variable, or
// def otherwise.
func BoolEnv(key string, def bool) bool {
vv, ok := os.LookupEnv(key)
if !ok {
return def
}
v, err := strconv.ParseBool(vv)
if err != nil {
log.Warn("Non-boolean value for env var %s, defaulting to %t. Parse failed with error: %v", key, def, err)
return def
}
return v
}
// IntEnv returns the parsed int value of an environment variable, or
// def otherwise.
func IntEnv(key string, def int) int {
vv, ok := os.LookupEnv(key)
if !ok {
return def
}
v, err := strconv.Atoi(vv)
if err != nil {
log.Warn("Non-integer value for env var %s, defaulting to %d. Parse failed with error: %v", key, def, err)
return def
}
return v
}