32 lines
795 B
Go
32 lines
795 B
Go
package config
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import (
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"fmt"
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"strings"
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common "github.com/dokku/dokku/plugins/common"
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)
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// GetWithDefault returns the value set for a given key, returning defaultValue if none found
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func GetWithDefault(appName string, key string, defaultValue string) string {
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envFile := strings.Join([]string{common.MustGetEnv("DOKKU_ROOT"), appName, "ENV"}, "/")
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lines, err := common.FileToSlice(envFile)
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if err != nil {
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return defaultValue
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}
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value := defaultValue
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prefix := fmt.Sprintf("export %v=", key)
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for _, line := range lines {
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if !strings.HasPrefix(line, prefix) {
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continue
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}
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value = strings.TrimPrefix(line, prefix)
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if strings.HasPrefix(line, "'") && strings.HasSuffix(line, "'") {
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value = strings.TrimPrefix(strings.TrimSuffix(value, "'"), "'")
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}
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}
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return value
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}
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