38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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   Copyright The containerd Authors.
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   Licensed under the Apache License, Version 2.0 (the "License");
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   you may not use this file except in compliance with the License.
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   You may obtain a copy of the License at
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       http://www.apache.org/licenses/LICENSE-2.0
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   Unless required by applicable law or agreed to in writing, software
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   distributed under the License is distributed on an "AS IS" BASIS,
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   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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   See the License for the specific language governing permissions and
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   limitations under the License.
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*/
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package labels
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import (
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	"github.com/containerd/containerd/errdefs"
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	"github.com/pkg/errors"
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)
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const (
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	maxSize = 4096
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)
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// Validate a label's key and value are under 4096 bytes
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func Validate(k, v string) error {
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	if (len(k) + len(v)) > maxSize {
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		if len(k) > 10 {
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			k = k[:10]
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		}
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		return errors.Wrapf(errdefs.ErrInvalidArgument, "label key and value greater than maximum size (%d bytes), key: %s", maxSize, k)
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	}
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	return nil
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}
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