52 lines
1001 B
Go
52 lines
1001 B
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"strconv"
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"strings"
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)
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//BridgeConfig holds configuration information set at startup
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//It should not change during runtime
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func lookupEnvOrString(key string, defaultVal string) string {
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if val, ok := os.LookupEnv(key); ok {
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return strings.TrimSpace(val)
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}
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return defaultVal
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}
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func lookupEnvOrInt(key string, defaultVal int) int {
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if val, ok := os.LookupEnv(key); ok {
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v, err := strconv.Atoi(val)
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if err != nil {
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log.Fatalf("LookupEnvOrInt[%s]: %v", key, err)
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}
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return v
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}
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return defaultVal
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}
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func lookupEnvOrBool(key string, defaultVal bool) bool {
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if val, ok := os.LookupEnv(key); ok {
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v, err := strconv.ParseBool(val)
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if err != nil {
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log.Fatalf("LookupEnvOrInt[%s]: %v", key, err)
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}
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return v
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}
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return defaultVal
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}
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func getConfig(fs *flag.FlagSet) []string {
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cfg := make([]string, 0, 10)
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fs.VisitAll(func(f *flag.Flag) {
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cfg = append(cfg, fmt.Sprintf("%s:%q", f.Name, f.Value.String()))
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})
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return cfg
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}
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