1 package internal
2
3 import (
4 "errors"
5 "os"
6
7 "gopkg.in/yaml.v3"
8 )
9
10 type Config struct {
11 Repository string `yaml:"repository"`
12 Owner string `yaml:"owner"`
13 BaseBranch string `yaml:"base_branch"`
14 MergeBranch string `yaml:"merge_branch"`
15 CommitBranch string `yaml:"commit_branch"`
16 ApkoLocations []string `yaml:"apko_locations"`
17 DryRun bool `yaml:"dry_run"`
18 GHPrivateKeyPath string `yaml:"gh_app_private_key_path"`
19 GHPrivateKey string `yaml:"gh_app_private_key"`
20 GHAppID int64 `yaml:"gh_app_id"`
21 GHInstallationID int64 `yaml:"gh_installation_id"`
22 }
23
24 func NewConfigFromPath(path string) (*Config, error) {
25 configBytes, err := os.ReadFile(path)
26 if err != nil {
27 return nil, err
28 }
29 config := &Config{}
30 if err := yaml.Unmarshal(configBytes, config); err != nil {
31 return nil, err
32 }
33
34
35 if err := validateConfig(config); err != nil {
36 return nil, err
37 }
38
39 return config, nil
40 }
41
42 func validateConfig(config *Config) error {
43
44 var missingFieldsErrors []error
45
46 if config.Owner == "" {
47 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field owner missing"))
48 }
49
50 if config.Repository == "" {
51 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field repository missing"))
52 }
53
54 if config.BaseBranch == "" {
55 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field base-branch missing"))
56 }
57
58 if config.MergeBranch == "" {
59 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field merge-branch missing"))
60 }
61
62 if config.CommitBranch == "" {
63 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field commit-branch missing"))
64 }
65
66 if config.ApkoLocations == nil {
67 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field apko-locations missing"))
68 }
69
70 if config.GHPrivateKey == "" && config.GHPrivateKeyPath == "" {
71 missingFieldsErrors = append(missingFieldsErrors, errors.New("either gh-app-private-key or gh-app-private-key-path must be set for Github app authentication"))
72 }
73
74 if config.GHPrivateKey != "" && config.GHPrivateKeyPath != "" {
75 missingFieldsErrors = append(missingFieldsErrors, errors.New("gh-app-private-key-path and gh-app-private-key cannot both be set"))
76 }
77
78 if config.GHAppID == 0 {
79 missingFieldsErrors = append(missingFieldsErrors, errors.New("required field gh-app-id missing"))
80 }
81
82 if len(missingFieldsErrors) == 0 {
83 return nil
84 }
85
86 return errors.Join(missingFieldsErrors...)
87 }
88
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