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lego/platform/config/env/env.go

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package env
import (
"fmt"
"os"
"strconv"
"strings"
)
// Get environment variables
func Get(names ...string) (map[string]string, error) {
values := map[string]string{}
var missingEnvVars []string
for _, envVar := range names {
value := os.Getenv(envVar)
if value == "" {
missingEnvVars = append(missingEnvVars, envVar)
}
values[envVar] = value
}
if len(missingEnvVars) > 0 {
return nil, fmt.Errorf("some credentials information are missing: %s", strings.Join(missingEnvVars, ","))
}
return values, nil
}
// GetOrDefaultInt returns the given environment variable value as an integer.
// Returns the default if the envvar cannot be coopered to an int, or is not found.
func GetOrDefaultInt(envVar string, defaultValue int) int {
v, err := strconv.Atoi(os.Getenv(envVar))
if err != nil {
return defaultValue
}
return v
}