mirror of https://github.com/etcd-io/dbtester.git
80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
// Copyright 2016 CoreOS, Inc.
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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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package agent
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import (
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"os"
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"runtime"
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)
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func openToAppend(fpath string) (*os.File, error) {
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f, err := os.OpenFile(fpath, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0777)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func openToOverwrite(fpath string) (*os.File, error) {
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f, err := os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0777)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func toFile(txt, fpath string) error {
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f, err := openToOverwrite(fpath)
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if err != nil {
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f, err = os.Create(fpath)
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if err != nil {
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return err
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}
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}
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defer f.Close()
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_, err = f.WriteString(txt)
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return err
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}
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func homeDir() string {
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if runtime.GOOS == "windows" {
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home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
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if home == "" {
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home = os.Getenv("USERPROFILE")
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}
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return home
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}
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return os.Getenv("HOME")
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}
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// exist returns true if the file or directory exists.
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func exist(fpath string) bool {
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st, err := os.Stat(fpath)
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if err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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if st.IsDir() {
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return true
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}
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if _, err := os.Stat(fpath); err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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return true
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}
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