39 lines
699 B
Go
39 lines
699 B
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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)
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func parseEnvironmentVariables() (err error) {
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for _, line := range os.Environ() {
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if strings.HasPrefix(line, "LINKY2INFLUX_") {
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err := parseConfigLine(line)
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if err != nil {
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return fmt.Errorf("error in environment (%q): %w", line, err)
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}
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}
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}
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return
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}
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func parseConfigLine(line string) (err error) {
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fields := strings.SplitN(line, "=", 2)
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orig_key := strings.TrimSpace(fields[0])
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value := strings.TrimSpace(fields[1])
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if len(value) == 0 {
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return
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}
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key := strings.TrimPrefix(orig_key, "LINKY2INFLUX_")
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key = strings.Replace(key, "_", "-", -1)
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key = strings.ToLower(key)
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err = flag.Set(key, value)
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return
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}
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