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Package patchstrategicmerge

import "sigs.k8s.io/kustomize/api/filters/patchstrategicmerge"
Overview
Index
Examples

Overview ▾

Package patchstrategicmerge contains a kio.Filter implementation of the kustomize strategic merge patch transformer.

type Filter 

type Filter struct {
    Patch *yaml.RNode
}

▾ Example

Code:

err := kio.Pipeline{
    Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
apiVersion: example.com/v1
kind: Foo
metadata:
  name: instance
spec:
  replicas: 3
`)}},
    Filters: []kio.Filter{Filter{
        Patch: yaml.MustParse(`
spec:
  template:
    containers:
    - image: nginx
`),
    }},
    Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
}.Execute()
if err != nil {
    log.Fatal(err)
}

Output:

apiVersion: example.com/v1
kind: Foo
metadata:
  name: instance
spec:
  replicas: 3
  template:
    containers:
    - image: nginx

func (Filter) Filter 

func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error)

Filter does a strategic merge patch, which can delete nodes.