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Merge pull request #257 from gbenhaim/webhook-target
RHTAPSRE-469: Webhook configuration based on repo url
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "strings" | ||
|
|
||
| "github.com/go-logr/logr" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| ) | ||
|
|
||
| var log logr.Logger = ctrl.Log.WithName("webhook") | ||
|
|
||
| type WebhookURLLoader interface { | ||
| Load(repositoryUrl string) string | ||
| } | ||
|
|
||
| type ConfigWebhookURLLoader struct { | ||
| // Prefix to target url mapping | ||
| mapping map[string]string | ||
| } | ||
|
|
||
| func NewConfigWebhookURLLoader(mapping map[string]string) ConfigWebhookURLLoader { | ||
| return ConfigWebhookURLLoader{mapping: mapping} | ||
| } | ||
|
|
||
| /* | ||
| Load implements WebhookURLLoader. | ||
| Find the longest prefix match of `repositoryUrl“ and the keys of `mapping`, | ||
| and return the value of that key. | ||
| */ | ||
| func (c ConfigWebhookURLLoader) Load(repositoryUrl string) string { | ||
| longestPrefixLen := 0 | ||
| matchedTarget := "" | ||
| for prefix, target := range c.mapping { | ||
| if strings.HasPrefix(repositoryUrl, prefix) && len(prefix) > longestPrefixLen { | ||
| longestPrefixLen = len(prefix) | ||
| matchedTarget = target | ||
| } | ||
| } | ||
|
|
||
| // Provide a default using the empty string | ||
| if matchedTarget == "" { | ||
| if val, ok := c.mapping[""]; ok { | ||
| matchedTarget = val | ||
| } | ||
| } | ||
|
|
||
| return matchedTarget | ||
| } | ||
|
|
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| var _ WebhookURLLoader = ConfigWebhookURLLoader{} | ||
|
|
||
| type FileReader func(name string) ([]byte, error) | ||
|
|
||
| // Load the prefix to target url from a file | ||
| func LoadMappingFromFile(path string, fileReader FileReader) (map[string]string, error) { | ||
| if path == "" { | ||
| log.Info("Webhook config was not provided") | ||
| return map[string]string{}, nil | ||
| } | ||
|
|
||
| content, err := fileReader(path) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var mapping map[string]string | ||
| err = json.Unmarshal(content, &mapping) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| log.Info("Using webhook config", "config", mapping) | ||
|
|
||
| return mapping, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "errors" | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestConfigWebhookURLLoader_Load(t *testing.T) { | ||
| type fields struct { | ||
| mapping map[string]string | ||
| } | ||
| type args struct { | ||
| repositoryUrl string | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| fields fields | ||
| args args | ||
| want string | ||
| }{ | ||
| { | ||
| name: "No match should return an empty string", | ||
| fields: fields{ | ||
| mapping: map[string]string{}, | ||
| }, | ||
| args: args{ | ||
| repositoryUrl: "https://github.com/org/repo", | ||
| }, | ||
| want: "", | ||
| }, | ||
| { | ||
| name: "Multiple prefix' with an exact match", | ||
| fields: fields{ | ||
| mapping: map[string]string{ | ||
| "https://github.com/org/repo": "chosenTarget", | ||
| "https://github.com/org/": "otherTarget1", | ||
| "https://github.com/": "otherTarget2", | ||
| "https://gitlab.com/": "otherTarget3", | ||
| }, | ||
| }, | ||
| args: args{ | ||
| repositoryUrl: "https://github.com/org/repo", | ||
| }, | ||
| want: "chosenTarget", | ||
| }, | ||
| { | ||
| name: "No exact match, the longest prefix is chosen", | ||
| fields: fields{ | ||
| mapping: map[string]string{ | ||
| "https://github.com/org/": "chosenTarget", | ||
| "https://github.com/": "otherTarget1", | ||
| "https://gitlab.com/": "otherTarget2", | ||
| }, | ||
| }, | ||
| args: args{ | ||
| repositoryUrl: "https://github.com/org/repo", | ||
| }, | ||
| want: "chosenTarget", | ||
| }, | ||
| { | ||
| name: "Match on an empty string", | ||
| fields: fields{ | ||
| mapping: map[string]string{ | ||
| "": "chosenTarget", | ||
| "https://gitlab.com/": "otherTarget2", | ||
| }, | ||
| }, | ||
| args: args{ | ||
| repositoryUrl: "https://github.com/org/repo", | ||
| }, | ||
| want: "chosenTarget", | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| c := NewConfigWebhookURLLoader(tt.fields.mapping) | ||
| if got := c.Load(tt.args.repositoryUrl); got != tt.want { | ||
| t.Errorf("ConfigWebhookURLLoader.Load() = %v, want %v", got, tt.want) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestLoadMappingFromFile(t *testing.T) { | ||
| type args struct { | ||
| path string | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| args args | ||
| fileReader FileReader | ||
| want map[string]string | ||
| wantErr bool | ||
| }{ | ||
| { | ||
| name: "Load empty file", | ||
| args: args{path: "file"}, | ||
| fileReader: func(name string) ([]byte, error) { | ||
| return []byte("{}"), nil | ||
| }, | ||
| want: map[string]string{}, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "Load non empty file", | ||
| args: args{path: "file"}, | ||
| fileReader: func(name string) ([]byte, error) { | ||
| return []byte(` | ||
| { | ||
| "a": "1", | ||
| "b": "2" | ||
| } | ||
| `), nil | ||
| }, | ||
| want: map[string]string{ | ||
| "a": "1", | ||
| "b": "2", | ||
| }, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "The given path is an empty string", | ||
| args: args{path: ""}, | ||
| fileReader: func(name string) ([]byte, error) { | ||
| return nil, nil | ||
| }, | ||
| want: map[string]string{}, | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "Load file with broken json", | ||
| args: args{path: "file"}, | ||
| fileReader: func(name string) ([]byte, error) { | ||
| return []byte("abc"), nil | ||
| }, | ||
| want: nil, | ||
| wantErr: true, | ||
| }, | ||
| { | ||
| name: "Load file random error", | ||
| args: args{path: "file"}, | ||
| fileReader: func(name string) ([]byte, error) { | ||
| return nil, errors.New("Random Error") | ||
| }, | ||
| want: nil, | ||
| wantErr: true, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| got, err := LoadMappingFromFile(tt.args.path, tt.fileReader) | ||
| if (err != nil) != tt.wantErr { | ||
| t.Errorf("LoadMappingFromFile() error = %v, wantErr %v", err, tt.wantErr) | ||
| return | ||
| } | ||
| if !reflect.DeepEqual(got, tt.want) { | ||
| t.Errorf("LoadMappingFromFile() = %v, want %v", got, tt.want) | ||
| } | ||
| }) | ||
| } | ||
| } |