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// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package patchstrategicmerge
import (
"bytes"
"log"
"os"
"sigs.k8s.io/kustomize/kyaml/kio"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
func ExampleFilter() {
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
}
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