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Merge pull request #85 from zvonkok/annotations
Added Annotations to CDI Spec
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| Copyright 2014 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
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| // Adapted from k8s.io/apimachinery/pkg/api/validation: | ||
| // https://github.com/kubernetes/apimachinery/blob/7687996c715ee7d5c8cf1e3215e607eb065a4221/pkg/api/validation/objectmeta.go | ||
|
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| package k8s | ||
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|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
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| "github.com/container-orchestrated-devices/container-device-interface/internal/multierror" | ||
| ) | ||
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| // TotalAnnotationSizeLimitB defines the maximum size of all annotations in characters. | ||
| const TotalAnnotationSizeLimitB int = 256 * (1 << 10) // 256 kB | ||
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| // ValidateAnnotations validates that a set of annotations are correctly defined. | ||
| func ValidateAnnotations(annotations map[string]string, path string) error { | ||
| errors := multierror.New() | ||
| for k := range annotations { | ||
| // The rule is QualifiedName except that case doesn't matter, so convert to lowercase before checking. | ||
| for _, msg := range IsQualifiedName(strings.ToLower(k)) { | ||
| errors = multierror.Append(errors, fmt.Errorf("%v.%v is invalid: %v", path, k, msg)) | ||
| } | ||
| } | ||
| if err := ValidateAnnotationsSize(annotations); err != nil { | ||
| errors = multierror.Append(errors, fmt.Errorf("%v is too long: %v", path, err)) | ||
| } | ||
| return errors | ||
| } | ||
|
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| // ValidateAnnotationsSize validates that a set of annotations is not too large. | ||
| func ValidateAnnotationsSize(annotations map[string]string) error { | ||
| var totalSize int64 | ||
| for k, v := range annotations { | ||
| totalSize += (int64)(len(k)) + (int64)(len(v)) | ||
| } | ||
| if totalSize > (int64)(TotalAnnotationSizeLimitB) { | ||
| return fmt.Errorf("annotations size %d is larger than limit %d", totalSize, TotalAnnotationSizeLimitB) | ||
| } | ||
| return nil | ||
| } |
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