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svn.go
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svn.go
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// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with c program. If not, see <http://www.gnu.org/licenses/>.
package sources
import (
"bufio"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path"
"path/filepath"
"strings"
"time"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/event"
"github.com/goodrain/rainbond/util"
"golang.org/x/net/context"
)
//SVNClient svn svnclient
type SVNClient interface {
Checkout() (*Info, error)
}
type svnclient struct {
username string
password string
svnURL string
svnDir string
Env []string
logger event.Logger
}
// NewClient new svn svnclient
func NewClient(username, password, url, sourceDir string, logger event.Logger) SVNClient {
util.CheckAndCreateDir(sourceDir)
return &svnclient{username: username, password: password, svnURL: url, svnDir: sourceDir, logger: logger}
}
// NewClientWithEnv ...
func NewClientWithEnv(username, password, url, sourceDir string, env []string) SVNClient {
util.CheckAndCreateDir(sourceDir)
return &svnclient{username: username, password: password, svnURL: url, Env: env, svnDir: sourceDir}
}
// Diff ...
func (c *svnclient) Diff(start, end int) (string, error) {
r := fmt.Sprintf("%d:%d", start, end)
out, err := c.run("diff", "-r", r, c.svnURL)
if err != nil {
return "", err
}
return string(out), nil
}
// Cat ...
func (c *svnclient) Cat(file string) (string, error) {
out, err := c.run("cat", c.svnURL+"/"+file)
if err != nil {
return "", err
}
return string(out), nil
}
// Export ...
func (c *svnclient) Export(dir string) error {
_, err := c.run("export", c.svnURL, dir)
if err != nil {
return err
}
return nil
}
// Log ...
func (c *svnclient) Log() (*Logs, error) {
out, err := c.run("log", "--xml", "-v")
if err != nil {
return nil, err
}
l := new(Logs)
err = xml.Unmarshal(out, l)
if err != nil {
return nil, err
}
return l, nil
}
// list ...
func (c *svnclient) List() (*lists, error) {
cmd := []string{"list", c.svnURL, "--xml"}
out, err := c.run(cmd...)
if err != nil {
return nil, err
}
l := new(lists)
err = xml.Unmarshal(out, l)
if err != nil {
return nil, err
}
return l, nil
}
// Checkout
func (c *svnclient) Checkout() (*Info, error) {
cmd := []string{"checkout", c.svnURL}
if c.svnDir != "" {
cmd = append(cmd, c.svnDir)
}
_, err := c.runWithLogger(cmd...)
if err != nil {
return nil, err
}
return c.Info()
}
// svnclient Checkout from specific revision
func (c *svnclient) CheckoutWithRevision(revision string) (string, error) {
cmd := []string{"checkout", c.svnURL}
if c.svnDir != "" {
cmd = append(cmd, c.svnDir)
}
cmd = append(cmd, "-r", revision)
out, err := c.run(cmd...)
if err != nil {
return "", err
}
return string(out), nil
}
// info ...
func (c *svnclient) Info() (*Info, error) {
start := time.Now()
cmd := []string{"info", "--xml"}
out, err := c.run(cmd...)
if err != nil {
return nil, err
}
info := new(Info)
err = xml.Unmarshal(out, info)
if err != nil {
return nil, err
}
log, err := c.Log()
if err == nil {
info.Logs = log
}
fmt.Println(time.Now().Sub(start).String())
info.Branchs = c.readBranchs()
info.Tags = c.readTags()
return info, nil
}
func (c *svnclient) readBranchs() []string {
re := []string{""}
exist, _ := util.FileExists(path.Join(c.svnDir, "Branches"))
if exist {
list, err := ioutil.ReadDir(path.Join(c.svnDir, "Branches"))
if err != nil {
return re
}
for _, f := range list {
re = append(re, f.Name())
}
return re
}
exist, _ = util.FileExists(path.Join(c.svnDir, "branches"))
if exist {
list, err := ioutil.ReadDir(path.Join(c.svnDir, "Branches"))
if err != nil {
return re
}
for _, f := range list {
re = append(re, f.Name())
}
return re
}
return re
}
func (c *svnclient) readTags() []string {
re := []string{}
exist, _ := util.FileExists(path.Join(c.svnDir, "Tags"))
if exist {
list, err := ioutil.ReadDir(path.Join(c.svnDir, "Tags"))
if err != nil {
return re
}
for _, f := range list {
re = append(re, f.Name())
}
return re
}
exist, _ = util.FileExists(path.Join(c.svnDir, "tags"))
if exist {
list, err := ioutil.ReadDir(path.Join(c.svnDir, "tags"))
if err != nil {
return re
}
for _, f := range list {
re = append(re, f.Name())
}
return re
}
return re
}
// run 运行命令
func (c *svnclient) runWithLogger(args ...string) ([]byte, error) {
ops := []string{"--username", c.username, "--password", c.password, "--non-interactive", "--trust-server-cert"}
args = append(args, ops...)
cmd := exec.Command("svn", args...)
if len(c.Env) > 0 {
cmd.Env = append(os.Environ(), c.Env...)
}
cmd.Dir = c.svnDir
reader, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
readererr, err := cmd.StderrPipe()
if err != nil {
return nil, err
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
startReadProgress(ctx, reader, c.logger)
startReadProgress(ctx, readererr, c.logger)
err = cmd.Run()
if err != nil {
return nil, err
}
return nil, nil
}
// run 运行命令
func (c *svnclient) run(args ...string) ([]byte, error) {
ops := []string{"--username", c.username, "--password", c.password, "--non-interactive", "--trust-server-cert"}
args = append(args, ops...)
cmd := exec.Command("svn", args...)
if len(c.Env) > 0 {
cmd.Env = append(os.Environ(), c.Env...)
}
cmd.Dir = c.svnDir
return cmd.Output()
}
//Logs commit logs
type Logs struct {
XMLName xml.Name `xml:"log"`
CommitEntrys []Commit `xml:"logentry"`
}
type paths struct {
Path string `xml:",innerxml"`
Action string `xml:"action,attr"`
PropMods string `xml:"prop-mods,attr"`
TextMods string `xml:"text-mods,attr"`
Kind string `xml:"kind,attr"`
}
//Info Info
type Info struct {
XMLName xml.Name `xml:"info"`
URL string `xml:"entry>url"`
RelativeURL string `xml:"entry>relative-url"`
Root string `xml:"entry>repository>root"`
UUID string `xml:"entry>repository>uuid"`
WcrootAbspath string `xml:"entry>wc-info>wcroot-abspath"`
Schedule string `xml:"entry>wc-info>schedule"`
Depth string `xml:"entry>wc-info>depth"`
Logs *Logs
Branchs []string
Tags []string
}
//Commit Commit
type Commit struct {
Revision string `xml:"revision,attr"`
Author string `xml:"author"`
Msg string `xml:"msg"`
Date string `xml:"date"`
}
type lists struct {
XMLName xml.Name `xml:"lists"`
List list `xml:"list"`
}
type list struct {
Path string `xml:"path,attr"`
Entry []entry `xml:"entry"`
}
type entry struct {
Kind string `xml:"kind,attr"`
Name string `xml:"name"`
Size string `xml:"size"`
Commit Commit `xml:"commit"`
}
//SvnPull SvnPull
func SvnPull(dir, user, password string) error {
cmd := exec.Command(
"svn",
"update",
"--ignore-externals",
"--username",
user,
"--password",
password)
cmd.Dir = dir
out, err := cmd.CombinedOutput()
if err != nil {
logrus.Errorf("Failed to SVN update %s, see output below\n%sContinuing...", dir, out)
return err
}
return nil
}
//SvnClone clone code by svn
func SvnClone(dir, url, user, password string, logger event.Logger, timeout time.Duration) (string, error) {
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
par, rep := filepath.Split(dir)
if err := util.CheckAndCreateDir(par); err != nil {
return "", err
}
cmd := exec.Command(
"svn",
"checkout",
"--non-interactive",
"--trust-server-cert-failures=unknown-ca",
"--username",
user,
"--password",
password,
url,
rep)
cmd.Dir = par
reader, err := cmd.StdoutPipe()
if err != nil {
return "", err
}
readererr, err := cmd.StderrPipe()
if err != nil {
return "", err
}
startReadProgress(ctx, reader, logger)
startReadProgress(ctx, readererr, logger)
if err := cmd.Run(); err != nil {
return "", err
}
return "", nil
}
//startReadProgress create svn log progress
func startReadProgress(ctx context.Context, read io.ReadCloser, logger event.Logger) {
var reader = bufio.NewReader(read)
go func() {
defer read.Close()
for {
select {
case <-ctx.Done():
return
default:
line, _, err := reader.ReadLine()
if err != nil {
if err.Error() != "EOF" {
fmt.Println("read svn log err", err.Error())
}
return
}
if len(line) > 0 {
progess := strings.Replace(string(line), "\r", "", -1)
progess = strings.Replace(progess, "\n", "", -1)
progess = strings.Replace(progess, "\u0000", "", -1)
if len(progess) > 0 {
message := fmt.Sprintf(`{"progress":"%s","id":"%s"}`, progess, "SVN:")
logger.Debug(message, map[string]string{"step": "progress"})
}
}
}
}
}()
}