24 lines
		
	
	
		
			416 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			416 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package reader
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import (
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	"os"
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	"regexp"
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)
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func ReplaceEnvVars(raw []byte) ([]byte, error) {
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	re := regexp.MustCompile(`\$\{([A-Za-z0-9_]+)\}`)
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	if re.Match(raw) {
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		dataS := string(raw)
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		res := re.ReplaceAllStringFunc(dataS, replaceEnvVars)
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		return []byte(res), nil
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	} else {
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		return raw, nil
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	}
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}
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func replaceEnvVars(element string) string {
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	v := element[2 : len(element)-1]
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	el := os.Getenv(v)
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	return el
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}
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