mugit: internal/config/validate.go (dc62a68)

mugit/internal/config/validate.go (view raw)

Oleksandr Smirnov config: refactor validation, 3 months ago

package config

import (
	"errors"
	"fmt"
	"time"
)

func (c Config) validate() error {
	var errs []error

	if c.Meta.Host == "" {
		// TODO: actually it should be a warning, host only used for go-import tag
		errs = append(errs, errors.New("meta.host is required"))
	}

	if !isDirExists(c.Repo.Dir) {
		errs = append(errs, fmt.Errorf("repo.dir seems to be an invalid path"))
	}

	if err := checkPort(c.Server.Port); err != nil {
		errs = append(errs, fmt.Errorf("server.port %w", err))
	}

	if c.SSH.Enable {
		if err := checkPort(c.SSH.Port); err != nil {
			errs = append(errs, fmt.Errorf("ssh.port %w", err))
		}

		if c.SSH.Port == c.Server.Port {
			errs = append(errs, fmt.Errorf("ssh.port must differ from server.port (both are %d)", c.Server.Port))
		}

		if !isFileExists(c.SSH.HostKey) {
			errs = append(errs, fmt.Errorf("ssh.host_key seems to be an invalid path"))
		}
	}

	if c.Mirror.Enable {
		if _, err := time.ParseDuration(c.Mirror.Interval); err != nil {
			errs = append(errs, fmt.Errorf("mirror.interval: invalid duration format: %w", err))
		}
	}

	return errors.Join(errs...)
}

func checkPort(port int) error {
	if port < 1 || port > 65535 {
		return fmt.Errorf("must be between 1 and 65535, got %d", port)
	}
	return nil
}

1	package config
2
3	import (
4	"errors"
5	"fmt"
6	"time"
7	)
8
9	func (c Config) validate() error {
10	var errs []error
11
12	if c.Meta.Host == "" {
13	// TODO: actually it should be a warning, host only used for go-import tag
14	errs = append(errs, errors.New("meta.host is required"))
15	}
16
17	if !isDirExists(c.Repo.Dir) {
18	errs = append(errs, fmt.Errorf("repo.dir seems to be an invalid path"))
19	}
20
21	if err := checkPort(c.Server.Port); err != nil {
22	errs = append(errs, fmt.Errorf("server.port %w", err))
23	}
24
25	if c.SSH.Enable {
26	if err := checkPort(c.SSH.Port); err != nil {
27	errs = append(errs, fmt.Errorf("ssh.port %w", err))
28	}
29
30	if c.SSH.Port == c.Server.Port {
31	errs = append(errs, fmt.Errorf("ssh.port must differ from server.port (both are %d)", c.Server.Port))
32	}
33
34	if !isFileExists(c.SSH.HostKey) {
35	errs = append(errs, fmt.Errorf("ssh.host_key seems to be an invalid path"))
36	}
37	}
38
39	if c.Mirror.Enable {
40	if _, err := time.ParseDuration(c.Mirror.Interval); err != nil {
41	errs = append(errs, fmt.Errorf("mirror.interval: invalid duration format: %w", err))
42	}
43	}
44
45	return errors.Join(errs...)
46	}
47
48	func checkPort(port int) error {
49	if port < 1 \|\| port > 65535 {
50	return fmt.Errorf("must be between 1 and 65535, got %d", port)
51	}
52	return nil
53	}