pkgdash/internal/source/gitlab/gitlab.go
Gorbunov Kirill Andreevich 2309bba07e #8 GetPulls.
2024-04-08 23:49:57 +03:00

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package gitlab
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os/exec"
"regexp"
"strings"
"text/template"
"time"
"git.unistack.org/unistack-org/pkgdash/internal/configcli"
"git.unistack.org/unistack-org/pkgdash/internal/modules"
"github.com/go-git/go-git/v5"
gitconfig "github.com/go-git/go-git/v5/config"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
httpauth "github.com/go-git/go-git/v5/plumbing/transport/http"
"go.unistack.org/micro/v4/logger"
)
var ErrPRNotExist = errors.New("pull request does not exist")
type Gitlab struct {
URL string
Username string
Password string
PRTitle string
PRBody string
Repository string
RepositoryId string
Owner string
pulls []*gitlabPull
}
func NewGitlab(cfg configcli.Config) *Gitlab {
return &Gitlab{
URL: cfg.Source.APIURL,
Username: cfg.Source.Username,
Password: cfg.Source.Password,
PRTitle: cfg.PullRequestTitle,
PRBody: cfg.PullRequestBody,
Repository: cfg.Source.Repository,
Owner: cfg.Source.Owner,
}
}
type gitlabPull struct {
URL string `json:"web_url"`
Title string `json:"title"`
Target string `json:"target_branch"`
Source string `json:"source_branch"`
ID int64 `json:"id"`
}
func (g *Gitlab) Name() string {
return "gitlab"
}
func (g *Gitlab) RequestOpen(ctx context.Context, branch string, path string, mod modules.Update) error {
logger.Debug(ctx, fmt.Sprintf("RequestOpen start, mod title: %s", path))
var buf []byte
var err error
// создания шаблона названия для пулл реквеста
tplTitle, err := template.New("pull_request_title").Parse(g.PRTitle)
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to parse template: %v", err))
}
wTitle := bytes.NewBuffer(nil)
// создания шаблона тела для пулл реквеста
tplBody, err := template.New("pull_request_body").Parse(g.PRTitle)
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to parse template: %v", err))
}
wBody := bytes.NewBuffer(nil)
data := map[string]string{
"Name": path,
"VersionOld": mod.Module.Version,
"VersionNew": mod.Version,
}
if err = tplTitle.Execute(wTitle, data); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to execute template: %v", err))
}
if err = tplBody.Execute(wBody, data); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to execute template: %v", err))
}
// открытие гит репозитория с опцией обхода репозитория для нахождения .git
repo, err := git.PlainOpenWithOptions(".", &git.PlainOpenOptions{DetectDotGit: true})
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to open repo: %v", err))
}
//извлекаем ссылки с объектами из удаленного объекта??
if err = repo.FetchContext(ctx, &git.FetchOptions{
// Auth: &httpauth.BasicAuth{Username: g.Username, Password: g.Password},
Force: true,
}); err != nil && err != git.NoErrAlreadyUpToDate {
logger.Fatal(ctx, fmt.Sprintf("failed to fetch repo : %v", err))
} //обновляем репозиторий
var headRef, baseRef *plumbing.Reference // вроде ссылка на гит
baseRef, err = repo.Head()
if err != nil {
logger.Error(ctx, fmt.Sprintf("Error head: %s", err))
}
refIter, err := repo.Branches() //получение веток
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to get branches: %v", err))
}
for {
ref, err := refIter.Next()
if err != nil {
break
}
if ref.Name().Short() == branch { //todo вот тут возможно нужно переделать
headRef = ref
break
}
} //перебираем получение ветки и когда находим нужную выходим из цикла записав ветку в headRef
refIter.Close()
if headRef == nil {
logger.Fatal(ctx, "failed to get repo branch head")
return err
} // Не получили нужную ветку
logger.Info(ctx, fmt.Sprintf("repo head %s", headRef))
wtree, err := repo.Worktree() //todo вроде рабочее дерево не нужно
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to get worktree: %v", err))
}
defer checkout(wtree, *baseRef)
g.pulls, err = GetPulls(ctx, g.URL, g.Owner, g.Repository, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("GetPulls error: %s", err))
return err
}
for _, pull := range g.pulls {
if strings.Contains(pull.Title, path) {
logger.Info(ctx, fmt.Sprintf("PR for %s exists %s, call RequestUpdate", path, pull.URL))
return g.RequestUpdate(ctx, branch, path, mod)
} // хотим проверить есть ли пулл реквест для этой ветки, если есть то выходим
}
logger.Info(ctx, fmt.Sprintf("update %s from %s to %s", path, mod.Module.Version, mod.Version))
sourceBranch := fmt.Sprintf("pkgdash/go_modules/%s-%s", path, mod.Version)
logger.Info(ctx, "reset worktree")
if err = wtree.Reset(&git.ResetOptions{Commit: headRef.Hash(), Mode: git.HardReset}); err != nil {
logger.Error(ctx, fmt.Sprintf("failed to reset repo branch: %v", err))
}
if err = wtree.PullContext(ctx, &git.PullOptions{
Auth: &httpauth.BasicAuth{Username: g.Username, Password: g.Password},
Depth: 1,
// RemoteURL :
Force: true,
RemoteName: "origin",
}); err != nil && err != git.NoErrAlreadyUpToDate {
logger.Error(ctx, fmt.Sprintf("failed to pull repo: %v", err)) //подтягиваем изменения с удаленого репозитория
}
logger.Info(ctx, fmt.Sprintf("checkout ref %s", headRef))
if err = wtree.Checkout(&git.CheckoutOptions{
Hash: headRef.Hash(),
Branch: plumbing.NewBranchReferenceName(sourceBranch),
Create: true,
Force: true,
}); err != nil {
logger.Error(ctx, fmt.Sprintf("failed to checkout tree: %v", err))
return err
} //создаем новую ветку
epath, err := exec.LookPath("go")
if errors.Is(err, exec.ErrDot) {
err = nil
}
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to find go command: %v", err))
} // ищем go файл
var cmd *exec.Cmd
var out []byte
cmd = exec.CommandContext(ctx, epath, "mod", "edit", fmt.Sprintf("-droprequire=%s", mod.Module.Path))
if out, err = cmd.CombinedOutput(); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to run go mod edit: %s err: %v", out, err))
}
cmd = exec.CommandContext(ctx, epath, "mod", "edit", fmt.Sprintf("-require=%s@%s", path, mod.Version))
if out, err = cmd.CombinedOutput(); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to run go mod edit: %s err: %v", out, err))
} // пытаемся выполнить команду go mod edit с новой версией модуля
cmd = exec.CommandContext(ctx, epath, "mod", "tidy")
if out, err = cmd.CombinedOutput(); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to run go mod tidy: %s err: %v", out, err))
} // пытаемся выполнить команду go mod tidy пытаемся подтянуть новую версию модуля
logger.Info(ctx, "worktree add go.mod")
if _, err = wtree.Add("go.mod"); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to add file: %v", err))
}
logger.Info(ctx, "worktree add go.sum")
if _, err = wtree.Add("go.sum"); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to add file: %v", err))
}
logger.Info(ctx, "worktree commit")
_, err = wtree.Commit(wTitle.String(), &git.CommitOptions{
Parents: []plumbing.Hash{headRef.Hash()},
Author: &object.Signature{
Name: "gitea-actions",
Email: "info@unistack.org",
When: time.Now(),
},
}) // хотим за коммитить изменения
if err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to commit: %v", err))
}
refspec := gitconfig.RefSpec(fmt.Sprintf("+refs/heads/pkgdash/go_modules/%s-%s:refs/heads/pkgdash/go_modules/%s-%s", path, mod.Version, path, mod.Version)) //todo как будто нужно переделать
logger.Info(ctx, fmt.Sprintf("try to push refspec %s", refspec))
if err = repo.PushContext(ctx, &git.PushOptions{
RefSpecs: []gitconfig.RefSpec{refspec},
Auth: &httpauth.BasicAuth{Username: g.Username, Password: g.Password},
Force: true,
}); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to push repo branch: %v", err))
} // пытаемся за пушить изменения
body := map[string]string{
"id": g.RepositoryId,
"source_branch": sourceBranch,
"target_branch": branch,
"title": wTitle.String(),
"description": wBody.String(),
}
logger.Info(ctx, fmt.Sprintf("raw body: %#+v", body))
buf, err = json.Marshal(body)
if err != nil {
return err
}
logger.Info(ctx, fmt.Sprintf("marshal body: %s", buf))
req, err := http.NewRequestWithContext(
ctx,
http.MethodPost,
fmt.Sprintf("https://%s/api/v4/projects/%s/merge_requests", g.URL, g.RepositoryId),
bytes.NewReader(buf),
)
if err != nil {
return err
}
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", "Bearer "+g.Password)
rsp, err := http.DefaultClient.Do(req)
if err != nil {
return err
} //Вроде создаем новый реквест на создание пулл реквеста
if rsp.StatusCode != http.StatusCreated {
buf, _ = io.ReadAll(rsp.Body)
return fmt.Errorf("unknown error: %s", buf)
}
logger.Info(ctx, fmt.Sprintf("PR create for %s-%s", path, mod.Version))
return nil
}
func (g *Gitlab) RequestClose(ctx context.Context, branch string, path string) error {
logger.Debug(ctx, fmt.Sprintf("RequestClose start, mod title: %s", path))
var err error
g.pulls, err = GetPulls(ctx, g.URL, g.Owner, g.Repository, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("GetPulls error: %s", err))
return err
}
prExist := false
var b string // Name of the branch to be deleted
for _, pull := range g.pulls {
if strings.Contains(pull.Title, path) {
logger.Info(ctx, fmt.Sprintf("PR for %s exists: %s", path, pull.URL))
prExist = true
b = pull.Source
}
}
if !prExist {
logger.Error(ctx, fmt.Sprintf("skip %s since pr does not exist", path))
return ErrPRNotExist
}
req, err := DeleteBranch(ctx, g.URL, g.RepositoryId, b, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("failed to create request for delete the branch: %s, err: %s", branch, err))
return err
}
rsp, err := http.DefaultClient.Do(req)
if err != nil {
logger.Error(ctx, fmt.Sprintf("failed to do request for delete the branch: %s, err: %s, code: %v", branch, err, rsp.StatusCode))
return err
}
logger.Info(ctx, fmt.Sprintf("Delete branch for %s successful", path))
return nil
}
func (g *Gitlab) RequestUpdate(ctx context.Context, branch string, path string, mod modules.Update) error {
logger.Debug(ctx, fmt.Sprintf("RequestUpdate start, mod title: %s", path))
var err error
g.pulls, err = GetPulls(ctx, g.URL, g.Owner, g.Repository, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("GetPulls error: %s", err))
return err
}
prExist := false
for _, pull := range g.pulls {
if strings.Contains(pull.Title, path) {
logger.Info(ctx, fmt.Sprintf("don't skip %s since pr exist %s", path, pull.URL)) //todo
tVersion := getVersions(pull.Source) //Надо взять просто из названия ветки последнюю версию
if modules.IsNewerVersion(tVersion, mod.Version, false) {
reqDel, err := DeleteBranch(ctx, g.URL, g.RepositoryId, pull.Source, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("Error with create request for branch: %s, err: %s", branch, err))
return err
}
rsp, err := http.DefaultClient.Do(reqDel)
if err != nil {
logger.Error(ctx, fmt.Sprintf("Error with do request for branch: %s, err: %s, code: %v", branch, err, rsp.StatusCode))
return err
}
logger.Info(ctx, fmt.Sprintf("Old pr %s successful delete", pull.Source))
} else {
logger.Debug(ctx, "The existing PR is relevant")
return nil
}
prExist = true
}
}
if !prExist {
logger.Error(ctx, fmt.Sprintf("skip %s since pr does not exist", path))
return ErrPRNotExist
}
return g.RequestOpen(ctx, branch, path, mod) // todo это мне не нравится
}
func (g *Gitlab) RequestList(ctx context.Context, branch string) (map[string]string, error) {
logger.Debug(ctx, fmt.Sprintf("RequestList for %s", branch))
var err error
g.pulls, err = GetPulls(ctx, g.URL, g.Owner, g.Repository, g.Password)
if err != nil {
logger.Error(ctx, fmt.Sprintf("GetPulls error: %s", err))
return nil, err
}
var path string
rMap := make(map[string]string)
for _, pull := range g.pulls {
if !strings.HasPrefix(pull.Title, "Bump ") { //добавляем только реквесты бота по обновлению модулей
continue
}
path = strings.Split(pull.Title, " ")[1] //todo Работет только для дефолтного шаблона
rMap[path] = pull.Title
}
return rMap, nil
}
func getVersions(s string) string {
re := regexp.MustCompile("[vV][0-9]+\\.[0-9]+\\.[0-9]+")
version := re.FindString(s)
return version
}
func DeleteBranch(ctx context.Context, url, projectId, branch, password string) (*http.Request, error) {
var buf []byte
req, err := http.NewRequestWithContext(ctx, http.MethodDelete, fmt.Sprintf("https://%s/api/v4/projects/%s/repository/branches/%s", url, projectId, branch), bytes.NewReader(buf))
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", "Bearer "+password)
return req, err
}
func GetPulls(ctx context.Context, url, projectId, branch, password string) ([]*gitlabPull, error) {
pulls := make([]*gitlabPull, 0, 10)
req, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
fmt.Sprintf("https://%s/api/v4/projects/%s/merge_requests?state=opened&target_branch=%s", url, projectId, branch),
nil)
if err != nil {
return nil, err
} //вроде запроса к репозиторию
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Authorization", "Bearer "+password)
rsp, err := http.DefaultClient.Do(req) // выполнение запроса
if err != nil {
return nil, err
}
buf, _ := io.ReadAll(rsp.Body)
switch rsp.StatusCode {
case http.StatusOK:
if err = json.Unmarshal(buf, &pulls); err != nil {
logger.Error(ctx, fmt.Sprintf("failed to decode response %s err: %v", buf, err))
return nil, err
}
return pulls, nil
case http.StatusNotFound:
logger.Info(ctx, fmt.Sprintf("pull-request is not exist for %s", projectId))
return nil, ErrPRNotExist
default:
return nil, fmt.Errorf("unknown error: %s", buf)
}
}
func checkout(w *git.Worktree, ref plumbing.Reference) {
ctx := context.Background()
logger.Debug(ctx, fmt.Sprintf("Checkout: %s", ref.Name().Short()))
if err := w.Checkout(&git.CheckoutOptions{Hash: ref.Hash()}); err != nil {
logger.Fatal(ctx, fmt.Sprintf("failed to reset: %v", err))
}
}