mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-15 17:51:03 +00:00
98 lines
2 KiB
Go
98 lines
2 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2023 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package md
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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)
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func ReplaceSectionsInFile(path string, sections map[string]string) error {
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data, err := os.ReadFile(path)
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if err != nil {
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return err
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}
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res, err := ReplaceSections(string(data), sections)
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if err != nil {
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return err
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}
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return os.WriteFile(path, []byte(res), 0644)
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}
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func ReplaceSections(in string, sections map[string]string) (string, error) {
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for k, v := range sections {
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if n, err := ReplaceSection(in, v, k); err != nil {
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return "", err
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} else {
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in = n
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}
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}
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return in, nil
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}
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func ReplaceSection(in, replace, section string) (string, error) {
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start, end := fmt.Sprintf("<!-- START(%s) -->", section), fmt.Sprintf("<!-- END(%s) -->", section)
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b := bytes.NewBuffer(nil)
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for len(in) > 0 {
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startID := strings.Index(in, start)
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if startID == -1 {
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b.WriteString(in)
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in = ""
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continue
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}
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b.WriteString(in[0:startID])
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in = moveString(in, startID+len(start))
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b.WriteString(start)
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b.WriteString(replace)
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endID := strings.Index(in, end)
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if endID == -1 {
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return "", errors.Newf("END sections is missing")
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}
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b.WriteString(end)
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in = moveString(in, endID+len(end))
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}
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return b.String(), nil
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}
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func moveString(in string, offset int) string {
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if offset >= len(in) {
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return ""
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}
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return in[offset:]
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}
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