mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 21:31:18 +01:00
68 lines
1.5 KiB
Go
Vendored
68 lines
1.5 KiB
Go
Vendored
/*
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Copyright 2014 The Kubernetes 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 diff
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import (
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"bytes"
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"fmt"
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"strings"
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"text/tabwriter"
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"k8s.io/apimachinery/pkg/util/dump"
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)
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// ObjectGoPrintSideBySide prints a and b as textual dumps side by side,
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// enabling easy visual scanning for mismatches.
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func ObjectGoPrintSideBySide(a, b interface{}) string {
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sA := dump.Pretty(a)
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sB := dump.Pretty(b)
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linesA := strings.Split(sA, "\n")
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linesB := strings.Split(sB, "\n")
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width := 0
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for _, s := range linesA {
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l := len(s)
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if l > width {
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width = l
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}
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}
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for _, s := range linesB {
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l := len(s)
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if l > width {
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width = l
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}
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}
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buf := &bytes.Buffer{}
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w := tabwriter.NewWriter(buf, width, 0, 1, ' ', 0)
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max := len(linesA)
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if len(linesB) > max {
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max = len(linesB)
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}
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for i := 0; i < max; i++ {
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var a, b string
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if i < len(linesA) {
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a = linesA[i]
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}
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if i < len(linesB) {
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b = linesB[i]
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}
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_, _ = fmt.Fprintf(w, "%s\t%s\n", a, b)
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}
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_ = w.Flush()
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return buf.String()
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}
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