f001c53ca1
- go mod init github.com/dal/kaos - Config paket sa .env učitavanjem i validacijom - Supervisor skeleton paket - Entry point (cmd/kaos-supervisor/main.go) - Makefile (build, test, vet, clean, all) - .env.example, .gitignore - 6 config testova — svi prolaze Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
// Package config handles loading and validating configuration
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// for the KAOS supervisor from environment variables.
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package config
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"time"
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)
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// Config holds the supervisor configuration values.
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type Config struct {
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// Timeout is the maximum duration for supervisor operations.
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Timeout time.Duration
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// ProjectPath is the root path of the project being supervised.
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ProjectPath string
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}
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// Load reads configuration from environment variables.
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// It first attempts to load a .env file from the current directory.
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// Required variables: KAOS_TIMEOUT, KAOS_PROJECT_PATH.
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func Load() (*Config, error) {
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loadEnvFile(".env")
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timeoutStr := os.Getenv("KAOS_TIMEOUT")
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if timeoutStr == "" {
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return nil, fmt.Errorf("KAOS_TIMEOUT environment variable is required")
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}
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timeout, err := time.ParseDuration(timeoutStr)
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if err != nil {
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return nil, fmt.Errorf("invalid KAOS_TIMEOUT value %q: %w", timeoutStr, err)
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}
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projectPath := os.Getenv("KAOS_PROJECT_PATH")
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if projectPath == "" {
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return nil, fmt.Errorf("KAOS_PROJECT_PATH environment variable is required")
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}
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return &Config{
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Timeout: timeout,
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ProjectPath: projectPath,
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}, nil
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}
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// loadEnvFile reads a .env file and sets environment variables
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// that are not already set. Lines starting with # are ignored.
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func loadEnvFile(path string) {
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f, err := os.Open(path)
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if err != nil {
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return
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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key, value, ok := strings.Cut(line, "=")
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if !ok {
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continue
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}
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key = strings.TrimSpace(key)
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value = strings.TrimSpace(value)
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// Don't override existing environment variables
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if _, exists := os.LookupEnv(key); !exists {
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os.Setenv(key, value)
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}
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}
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}
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