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(feature) Implement polling image source in intervals (#185)
Implements https://docs.google.com/document/d/1iWSrWL9pYRJ5Ua3VYErkK1Q2lAusBUeDCh66Ew4lDbQ/edit?usp=sharing Closes #180 Signed-off-by: Anik Bhattacharjee <anbhatta@redhat.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package v1alpha1 | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions" | ||
| apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1" | ||
| "k8s.io/apiextensions-apiserver/pkg/apiserver/schema" | ||
| "k8s.io/apiextensions-apiserver/pkg/apiserver/schema/cel" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/util/validation/field" | ||
| celconfig "k8s.io/apiserver/pkg/apis/cel" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
|
||
| func TestPollIntervalCELValidationRules(t *testing.T) { | ||
| validators := fieldValidatorsFromFile(t, "../../../config/crd/bases/catalogd.operatorframework.io_catalogs.yaml") | ||
| pth := "openAPIV3Schema.properties.spec" | ||
| validator, found := validators["v1alpha1"][pth] | ||
| assert.True(t, found) | ||
|
|
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| for name, tc := range map[string]struct { | ||
| spec CatalogSpec | ||
| wantErrs []string | ||
| }{ | ||
| "digest based image ref, poll interval not allowed, poll interval specified": { | ||
| spec: CatalogSpec{ | ||
| Source: CatalogSource{ | ||
| Type: SourceTypeImage, | ||
| Image: &ImageSource{ | ||
| Ref: "docker.io/test-image@sha256:asdf98234sd", | ||
| PollInterval: &metav1.Duration{Duration: time.Minute}, | ||
| }, | ||
| }, | ||
| }, | ||
| wantErrs: []string{ | ||
| "openAPIV3Schema.properties.spec: Invalid value: \"object\": cannot specify PollInterval while using digest-based image", | ||
| }, | ||
| }, | ||
| "digest based image ref, poll interval not allowed, poll interval not specified": { | ||
| spec: CatalogSpec{ | ||
| Source: CatalogSource{ | ||
| Type: SourceTypeImage, | ||
| Image: &ImageSource{ | ||
| Ref: "docker.io/example/test-catalog@sha256:asdf123", | ||
| }, | ||
| }, | ||
| }, | ||
| wantErrs: []string{}, | ||
| }, | ||
| } { | ||
| t.Run(name, func(t *testing.T) { | ||
| obj, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&tc.spec) | ||
| require.NoError(t, err) | ||
| errs := validator(obj, nil) | ||
| require.Equal(t, len(tc.wantErrs), len(errs)) | ||
| for i := range tc.wantErrs { | ||
| got := errs[i].Error() | ||
| assert.Equal(t, tc.wantErrs[i], got) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| // fieldValidatorsFromFile extracts the CEL validators by version and JSONPath from a CRD file and returns | ||
| // a validator func for testing against samples. | ||
| func fieldValidatorsFromFile(t *testing.T, crdFilePath string) map[string]map[string]CELValidateFunc { | ||
| data, err := os.ReadFile(crdFilePath) | ||
| require.NoError(t, err) | ||
|
|
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| var crd apiextensionsv1.CustomResourceDefinition | ||
| err = yaml.Unmarshal(data, &crd) | ||
| require.NoError(t, err) | ||
|
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| ret := map[string]map[string]CELValidateFunc{} | ||
| for _, v := range crd.Spec.Versions { | ||
| var internalSchema apiextensions.JSONSchemaProps | ||
| err := apiextensionsv1.Convert_v1_JSONSchemaProps_To_apiextensions_JSONSchemaProps(v.Schema.OpenAPIV3Schema, &internalSchema, nil) | ||
| require.NoError(t, err, "failed to convert JSONSchemaProps for version %s: %v", v.Name, err) | ||
| structuralSchema, err := schema.NewStructural(&internalSchema) | ||
| require.NoError(t, err, "failed to create StructuralSchema for version %s: %v", v.Name, err) | ||
|
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| versionVals, err := findCEL(structuralSchema, true, field.NewPath("openAPIV3Schema")) | ||
| require.NoError(t, err, "failed to find CEL for version %s: %v", v.Name, err) | ||
| ret[v.Name] = versionVals | ||
| } | ||
| return ret | ||
| } | ||
|
|
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| // CELValidateFunc tests a sample object against a CEL validator. | ||
| type CELValidateFunc func(obj, old interface{}) field.ErrorList | ||
|
|
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| func findCEL(s *schema.Structural, root bool, pth *field.Path) (map[string]CELValidateFunc, error) { | ||
| ret := map[string]CELValidateFunc{} | ||
|
|
||
| if len(s.XValidations) > 0 { | ||
| s := *s | ||
| pth := *pth | ||
| ret[pth.String()] = func(obj, old interface{}) field.ErrorList { | ||
| errs, _ := cel.NewValidator(&s, root, celconfig.PerCallLimit).Validate(context.TODO(), &pth, &s, obj, old, celconfig.RuntimeCELCostBudget) | ||
| return errs | ||
| } | ||
| } | ||
|
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||
| for k, v := range s.Properties { | ||
| v := v | ||
| sub, err := findCEL(&v, false, pth.Child("properties").Child(k)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for pth, val := range sub { | ||
| ret[pth] = val | ||
| } | ||
| } | ||
| if s.Items != nil { | ||
| sub, err := findCEL(s.Items, false, pth.Child("items")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for pth, val := range sub { | ||
| ret[pth] = val | ||
| } | ||
| } | ||
| if s.AdditionalProperties != nil && s.AdditionalProperties.Structural != nil { | ||
| sub, err := findCEL(s.AdditionalProperties.Structural, false, pth.Child("additionalProperties")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for pth, val := range sub { | ||
| ret[pth] = val | ||
| } | ||
| } | ||
|
|
||
| return ret, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -6,4 +6,5 @@ spec: | |
| source: | ||
| type: image | ||
| image: | ||
| pollInterval: 24h | ||
| ref: quay.io/operatorhubio/catalog:latest | ||
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