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// Copyright 2022 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package replicacount
import (
"bytes"
"log"
"os"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/kio"
)
func ExampleFilter() {
err := kio.Pipeline{
Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
apiVersion: example.com/v1
kind: Foo
metadata:
name: instance
spec:
template:
replicas: 5
---
apiVersion: example.com/v1
kind: Bar
metadata:
name: instance
spec:
template:
replicas: 5
`)}},
Filters: []kio.Filter{Filter{
Replica: types.Replica{
Count: 42,
Name: "instance",
},
FieldSpec: types.FieldSpec{
Path: "spec/template/replicas",
},
}},
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:
// template:
// replicas: 42
// ---
// apiVersion: example.com/v1
// kind: Bar
// metadata:
// name: instance
// spec:
// template:
// replicas: 42
}
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