Source file src/sigs.k8s.io/kustomize/api/internal/target/multitransformer.go

Documentation: sigs.k8s.io/kustomize/api/internal/target

     1  // Copyright 2019 The Kubernetes Authors.
     2  // SPDX-License-Identifier: Apache-2.0
     3  
     4  package target
     5  
     6  import (
     7  	"sigs.k8s.io/kustomize/api/resmap"
     8  )
     9  
    10  // multiTransformer contains a list of transformers.
    11  type multiTransformer struct {
    12  	transformers []*resmap.TransformerWithProperties
    13  }
    14  
    15  var _ resmap.Transformer = &multiTransformer{}
    16  
    17  // newMultiTransformer constructs a multiTransformer.
    18  func newMultiTransformer(t []*resmap.TransformerWithProperties) resmap.Transformer {
    19  	r := &multiTransformer{
    20  		transformers: make([]*resmap.TransformerWithProperties, len(t)),
    21  	}
    22  	copy(r.transformers, t)
    23  	return r
    24  }
    25  
    26  // Transform applies the member transformers in order to the resources,
    27  // optionally detecting and erroring on commutation conflict.
    28  func (o *multiTransformer) Transform(m resmap.ResMap) error {
    29  	for _, t := range o.transformers {
    30  		if err := t.Transform(m); err != nil {
    31  			return err
    32  		}
    33  		if t.Origin != nil {
    34  			if err := m.AddTransformerAnnotation(t.Origin); err != nil {
    35  				return err
    36  			}
    37  		}
    38  		m.DropEmpties()
    39  	}
    40  	return nil
    41  }
    42  

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