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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "cmp" | ||
| "fmt" | ||
| "os" | ||
| "slices" | ||
| "strings" | ||
|
|
||
| "github.com/goccy/go-yaml" | ||
| "github.com/goccy/go-yaml/parser" | ||
| "golang.org/x/exp/maps" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| // convert the given map of filenames to validation errors into a lint output format: '%f:%l:%c: %m' | ||
| // %f - file, %l - line, %c - column, %m - message | ||
| func lintMarshal(details map[string][]metav1.Status) ([]byte, error) { | ||
| const ( | ||
| nilValue = "<nil>" | ||
| ) | ||
| files := maps.Keys(details) | ||
| slices.Sort(files) | ||
|
|
||
| results := []string{} | ||
| DETAILS: | ||
| for _, file := range files { | ||
| status := details[file] | ||
| causes := make(map[string][]metav1.StatusCause) | ||
| for _, s := range status { | ||
| if s.Status == metav1.StatusSuccess { | ||
| continue DETAILS // only lint errors | ||
| } | ||
| for _, c := range s.Details.Causes { | ||
| if c.Field == nilValue { | ||
| continue // no field to lookup/annotate | ||
| } | ||
| key := string(c.Type) | ||
| causes[key] = append(causes[key], c) | ||
| } | ||
| } | ||
| if len(causes) == 0 { | ||
| continue // nothing to do, no causes deemed problematic | ||
| } | ||
| b, err := os.ReadFile(file) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| // group causes by position, so that we can group them together in the same output line | ||
| errors := make(map[Position][]metav1.StatusCause) | ||
| for _, items := range causes { | ||
| for _, c := range items { | ||
| path, err := yaml.PathString(fmt.Sprintf("$.%s", c.Field)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| position, err := getPosition(path, b) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| errors[position] = append(errors[position], c) | ||
| } | ||
| } | ||
| keys := maps.Keys(errors) | ||
| slices.SortFunc(keys, func(i, j Position) int { | ||
| return cmp.Or( | ||
| cmp.Compare(i.Line, j.Line), | ||
| cmp.Compare(i.Column, j.Column), | ||
| ) | ||
| }) | ||
| for _, position := range keys { | ||
| causes := errors[position] | ||
| messages := make(map[string][]string) | ||
| for _, c := range causes { | ||
| messages[c.Field] = append(messages[c.Field], fmt.Sprintf("(reason: %q; %s)", c.Type, c.Message)) | ||
| } | ||
| fieldMessages := []string{} | ||
| for field, msgs := range messages { | ||
| fieldMessages = append(fieldMessages, fmt.Sprintf("field %q: %s", field, strings.Join(msgs, ", "))) | ||
| } | ||
| le := LintError{ | ||
| File: file, | ||
| Line: position.Line, | ||
| Column: position.Column, | ||
| Message: strings.Join(fieldMessages, ", "), | ||
| } | ||
| results = append(results, le.String()) | ||
| } | ||
| } | ||
| return []byte(strings.Join(results, "\n")), nil | ||
| } | ||
|
|
||
| type Position struct { | ||
| Line int | ||
| Column int | ||
| } | ||
|
|
||
| type Reason struct { | ||
| Type string | ||
| Message string | ||
| } | ||
|
|
||
| type LintError struct { | ||
| File string | ||
| Line int | ||
| Column int | ||
| Message string | ||
| } | ||
|
|
||
| func (e LintError) String() string { | ||
| return fmt.Sprintf("%s:%d:%d: %s", e.File, e.Line, e.Column, e.Message) | ||
| } | ||
|
|
||
| func getPosition(p *yaml.Path, source []byte) (Position, error) { | ||
| file, err := parser.ParseBytes([]byte(source), 0) | ||
| if err != nil { | ||
| return Position{}, err | ||
| } | ||
| node, err := p.FilterFile(file) | ||
| if err != nil { | ||
| return Position{}, err | ||
| } | ||
| return Position{ | ||
| Line: node.GetToken().Position.Line, | ||
| Column: node.GetToken().Position.Column, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func TestLintMarshal(t *testing.T) { | ||
| cases := []struct { | ||
| name string | ||
| input map[string][]metav1.Status | ||
| expected string | ||
| }{ | ||
| { | ||
| name: "empty", | ||
| input: map[string][]metav1.Status{}, | ||
| expected: ``, | ||
| }, | ||
| { | ||
| name: "success", | ||
| input: map[string][]metav1.Status{ | ||
| "file.yaml": { | ||
| {Status: metav1.StatusSuccess, Reason: "valid"}, | ||
| }, | ||
| }, | ||
| expected: ``, | ||
| }, | ||
| { | ||
| name: "single error, single cause", | ||
| input: map[string][]metav1.Status{ | ||
| "../../testcases/manifests/configmap.yaml": { | ||
| {Status: metav1.StatusFailure, Reason: "invalid", Details: &metav1.StatusDetails{ | ||
| Causes: []metav1.StatusCause{ | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.name", | ||
| Message: "name is required or invalid somehow", | ||
| }, | ||
| }, | ||
| }}, | ||
| }, | ||
| }, | ||
| expected: `../../testcases/manifests/configmap.yaml:8:9: field "metadata.name": (reason: "FailureType"; name is required or invalid somehow)`, | ||
| }, | ||
| { | ||
| name: "single error with ignored success", | ||
| input: map[string][]metav1.Status{ | ||
| "../../testcases/manifests/configmap.yaml": { | ||
| {Status: metav1.StatusSuccess, Reason: "valid"}, | ||
| }, | ||
| "../../testcases/manifests/apiservice.yaml": { | ||
| {Status: metav1.StatusFailure, Reason: "invalid", Details: &metav1.StatusDetails{ | ||
| Causes: []metav1.StatusCause{ | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.name", | ||
| Message: "name is required or invalid somehow but specific to apiservices", | ||
| }, | ||
| }, | ||
| }}, | ||
| }, | ||
| }, | ||
| expected: `../../testcases/manifests/apiservice.yaml:14:9: field "metadata.name": (reason: "FailureType"; name is required or invalid somehow but specific to apiservices)`, | ||
| }, | ||
| { | ||
| name: "multiple errors, multiple causes", | ||
| input: map[string][]metav1.Status{ | ||
| "../../testcases/manifests/configmap.yaml": { | ||
| {Status: metav1.StatusFailure, Reason: "invalid", Details: &metav1.StatusDetails{ | ||
| Causes: []metav1.StatusCause{ | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.name", | ||
| Message: "name is required or invalid somehow 1x1", | ||
| }, | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.finalizers", | ||
| Message: "something wrong with finalizers 1x2", | ||
| }, | ||
| }, | ||
| }}, | ||
| }, | ||
| "../../testcases/manifests/apiservice.yaml": { | ||
| {Status: metav1.StatusFailure, Reason: "invalid", Details: &metav1.StatusDetails{ | ||
| Causes: []metav1.StatusCause{ | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.name", | ||
| Message: "name is required or invalid somehow 2x1", | ||
| }, | ||
| { | ||
| Type: "FailureType", | ||
| Field: "metadata.name", | ||
| Message: "name is required or invalid somehow 2x2", | ||
| }, | ||
| }, | ||
| }}, | ||
| }, | ||
| }, | ||
| expected: strings.Join([]string{ | ||
| `../../testcases/manifests/apiservice.yaml:14:9: field "metadata.name": (reason: "FailureType"; name is required or invalid somehow 2x1), (reason: "FailureType"; name is required or invalid somehow 2x2)`, | ||
| `../../testcases/manifests/configmap.yaml:8:9: field "metadata.name": (reason: "FailureType"; name is required or invalid somehow 1x1)`, | ||
| `../../testcases/manifests/configmap.yaml:10:3: field "metadata.finalizers": (reason: "FailureType"; something wrong with finalizers 1x2)`, | ||
| }, "\n"), | ||
| }, | ||
| } | ||
| for _, tc := range cases { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| actual, err := lintMarshal(tc.input) | ||
| require.NoError(t, err) | ||
| require.Equal(t, tc.expected, string(actual)) | ||
| }) | ||
| } | ||
| } |
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