Evan Reichard
0dc3add8ff
Add AETHERA_ prefixed env vars for server configuration: - AETHERA_DATA_DIR: data directory path - AETHERA_LISTEN: listen address - AETHERA_PORT: listen port Env vars take precedence over defaults but CLI flags override both.
46 lines
1002 B
Go
46 lines
1002 B
Go
package main
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import (
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"fmt"
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"os"
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"path"
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"strconv"
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)
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const envPrefix = "AETHERA_"
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type cliParams struct {
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ListenAddr string
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ListenPort int
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DataDir string
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SettingsFile string
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}
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// getEnvOrDefault returns the value of an environment variable or a default value
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func getEnvOrDefault(key, defaultValue string) string {
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if value := os.Getenv(envPrefix + key); value != "" {
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return value
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}
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return defaultValue
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}
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// getEnvIntOrDefault returns the integer value of an environment variable or a default value
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func getEnvIntOrDefault(key string, defaultValue int) int {
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if value := os.Getenv(envPrefix + key); value != "" {
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if intVal, err := strconv.Atoi(value); err == nil {
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return intVal
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}
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}
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return defaultValue
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}
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func (p *cliParams) Validate() error {
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// Ensure Generated Directories
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imgDir := path.Join(p.DataDir, "generated/images")
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if err := os.MkdirAll(imgDir, 0755); err != nil {
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return fmt.Errorf("failed to create images directory: %w", err)
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}
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return nil
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}
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