bench-forgejo/models/commit_status.go
6543 06e4687cec
more context for models (#19511)
make more usage of context, to have more db transaction in one session

(make diff of  #9307 smaller)
2022-04-28 13:48:48 +02:00

360 lines
12 KiB
Go

// Copyright 2017 Gitea. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"context"
"crypto/sha1"
"fmt"
"net/url"
"strings"
"time"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/xorm"
)
// CommitStatus holds a single Status of a single Commit
type CommitStatus struct {
ID int64 `xorm:"pk autoincr"`
Index int64 `xorm:"INDEX UNIQUE(repo_sha_index)"`
RepoID int64 `xorm:"INDEX UNIQUE(repo_sha_index)"`
Repo *repo_model.Repository `xorm:"-"`
State api.CommitStatusState `xorm:"VARCHAR(7) NOT NULL"`
SHA string `xorm:"VARCHAR(64) NOT NULL INDEX UNIQUE(repo_sha_index)"`
TargetURL string `xorm:"TEXT"`
Description string `xorm:"TEXT"`
ContextHash string `xorm:"char(40) index"`
Context string `xorm:"TEXT"`
Creator *user_model.User `xorm:"-"`
CreatorID int64
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
}
func init() {
db.RegisterModel(new(CommitStatus))
db.RegisterModel(new(CommitStatusIndex))
}
// upsertCommitStatusIndex the function will not return until it acquires the lock or receives an error.
func upsertCommitStatusIndex(e db.Engine, repoID int64, sha string) (err error) {
// An atomic UPSERT operation (INSERT/UPDATE) is the only operation
// that ensures that the key is actually locked.
switch {
case setting.Database.UseSQLite3 || setting.Database.UsePostgreSQL:
_, err = e.Exec("INSERT INTO `commit_status_index` (repo_id, sha, max_index) "+
"VALUES (?,?,1) ON CONFLICT (repo_id,sha) DO UPDATE SET max_index = `commit_status_index`.max_index+1",
repoID, sha)
case setting.Database.UseMySQL:
_, err = e.Exec("INSERT INTO `commit_status_index` (repo_id, sha, max_index) "+
"VALUES (?,?,1) ON DUPLICATE KEY UPDATE max_index = max_index+1",
repoID, sha)
case setting.Database.UseMSSQL:
// https://weblogs.sqlteam.com/dang/2009/01/31/upsert-race-condition-with-merge/
_, err = e.Exec("MERGE `commit_status_index` WITH (HOLDLOCK) as target "+
"USING (SELECT ? AS repo_id, ? AS sha) AS src "+
"ON src.repo_id = target.repo_id AND src.sha = target.sha "+
"WHEN MATCHED THEN UPDATE SET target.max_index = target.max_index+1 "+
"WHEN NOT MATCHED THEN INSERT (repo_id, sha, max_index) "+
"VALUES (src.repo_id, src.sha, 1);",
repoID, sha)
default:
return fmt.Errorf("database type not supported")
}
return
}
// GetNextCommitStatusIndex retried 3 times to generate a resource index
func GetNextCommitStatusIndex(repoID int64, sha string) (int64, error) {
for i := 0; i < db.MaxDupIndexAttempts; i++ {
idx, err := getNextCommitStatusIndex(repoID, sha)
if err == db.ErrResouceOutdated {
continue
}
if err != nil {
return 0, err
}
return idx, nil
}
return 0, db.ErrGetResourceIndexFailed
}
// getNextCommitStatusIndex return the next index
func getNextCommitStatusIndex(repoID int64, sha string) (int64, error) {
ctx, commiter, err := db.TxContext()
if err != nil {
return 0, err
}
defer commiter.Close()
var preIdx int64
_, err = ctx.Engine().SQL("SELECT max_index FROM `commit_status_index` WHERE repo_id = ? AND sha = ?", repoID, sha).Get(&preIdx)
if err != nil {
return 0, err
}
if err := upsertCommitStatusIndex(ctx.Engine(), repoID, sha); err != nil {
return 0, err
}
var curIdx int64
has, err := ctx.Engine().SQL("SELECT max_index FROM `commit_status_index` WHERE repo_id = ? AND sha = ? AND max_index=?", repoID, sha, preIdx+1).Get(&curIdx)
if err != nil {
return 0, err
}
if !has {
return 0, db.ErrResouceOutdated
}
if err := commiter.Commit(); err != nil {
return 0, err
}
return curIdx, nil
}
func (status *CommitStatus) loadAttributes(ctx context.Context) (err error) {
if status.Repo == nil {
status.Repo, err = repo_model.GetRepositoryByIDCtx(ctx, status.RepoID)
if err != nil {
return fmt.Errorf("getRepositoryByID [%d]: %v", status.RepoID, err)
}
}
if status.Creator == nil && status.CreatorID > 0 {
status.Creator, err = user_model.GetUserByIDEngine(db.GetEngine(ctx), status.CreatorID)
if err != nil {
return fmt.Errorf("getUserByID [%d]: %v", status.CreatorID, err)
}
}
return nil
}
// APIURL returns the absolute APIURL to this commit-status.
func (status *CommitStatus) APIURL() string {
_ = status.loadAttributes(db.DefaultContext)
return status.Repo.APIURL() + "/statuses/" + url.PathEscape(status.SHA)
}
// CalcCommitStatus returns commit status state via some status, the commit statues should order by id desc
func CalcCommitStatus(statuses []*CommitStatus) *CommitStatus {
var lastStatus *CommitStatus
var state api.CommitStatusState
for _, status := range statuses {
if status.State.NoBetterThan(state) {
state = status.State
lastStatus = status
}
}
if lastStatus == nil {
if len(statuses) > 0 {
lastStatus = statuses[0]
} else {
lastStatus = &CommitStatus{}
}
}
return lastStatus
}
// CommitStatusOptions holds the options for query commit statuses
type CommitStatusOptions struct {
db.ListOptions
State string
SortType string
}
// GetCommitStatuses returns all statuses for a given commit.
func GetCommitStatuses(repo *repo_model.Repository, sha string, opts *CommitStatusOptions) ([]*CommitStatus, int64, error) {
if opts.Page <= 0 {
opts.Page = 1
}
if opts.PageSize <= 0 {
opts.Page = ItemsPerPage
}
countSession := listCommitStatusesStatement(repo, sha, opts)
countSession = db.SetSessionPagination(countSession, opts)
maxResults, err := countSession.Count(new(CommitStatus))
if err != nil {
log.Error("Count PRs: %v", err)
return nil, maxResults, err
}
statuses := make([]*CommitStatus, 0, opts.PageSize)
findSession := listCommitStatusesStatement(repo, sha, opts)
findSession = db.SetSessionPagination(findSession, opts)
sortCommitStatusesSession(findSession, opts.SortType)
return statuses, maxResults, findSession.Find(&statuses)
}
func listCommitStatusesStatement(repo *repo_model.Repository, sha string, opts *CommitStatusOptions) *xorm.Session {
sess := db.GetEngine(db.DefaultContext).Where("repo_id = ?", repo.ID).And("sha = ?", sha)
switch opts.State {
case "pending", "success", "error", "failure", "warning":
sess.And("state = ?", opts.State)
}
return sess
}
func sortCommitStatusesSession(sess *xorm.Session, sortType string) {
switch sortType {
case "oldest":
sess.Asc("created_unix")
case "recentupdate":
sess.Desc("updated_unix")
case "leastupdate":
sess.Asc("updated_unix")
case "leastindex":
sess.Desc("index")
case "highestindex":
sess.Asc("index")
default:
sess.Desc("created_unix")
}
}
// CommitStatusIndex represents a table for commit status index
type CommitStatusIndex struct {
ID int64
RepoID int64 `xorm:"unique(repo_sha)"`
SHA string `xorm:"unique(repo_sha)"`
MaxIndex int64 `xorm:"index"`
}
// GetLatestCommitStatus returns all statuses with a unique context for a given commit.
func GetLatestCommitStatus(repoID int64, sha string, listOptions db.ListOptions) ([]*CommitStatus, int64, error) {
return GetLatestCommitStatusCtx(db.DefaultContext, repoID, sha, listOptions)
}
// GetLatestCommitStatusCtx returns all statuses with a unique context for a given commit.
func GetLatestCommitStatusCtx(ctx context.Context, repoID int64, sha string, listOptions db.ListOptions) ([]*CommitStatus, int64, error) {
ids := make([]int64, 0, 10)
sess := db.GetEngine(ctx).Table(&CommitStatus{}).
Where("repo_id = ?", repoID).And("sha = ?", sha).
Select("max( id ) as id").
GroupBy("context_hash").OrderBy("max( id ) desc")
sess = db.SetSessionPagination(sess, &listOptions)
count, err := sess.FindAndCount(&ids)
if err != nil {
return nil, count, err
}
statuses := make([]*CommitStatus, 0, len(ids))
if len(ids) == 0 {
return statuses, count, nil
}
return statuses, count, db.GetEngine(ctx).In("id", ids).Find(&statuses)
}
// FindRepoRecentCommitStatusContexts returns repository's recent commit status contexts
func FindRepoRecentCommitStatusContexts(repoID int64, before time.Duration) ([]string, error) {
start := timeutil.TimeStampNow().AddDuration(-before)
ids := make([]int64, 0, 10)
if err := db.GetEngine(db.DefaultContext).Table("commit_status").
Where("repo_id = ?", repoID).
And("updated_unix >= ?", start).
Select("max( id ) as id").
GroupBy("context_hash").OrderBy("max( id ) desc").
Find(&ids); err != nil {
return nil, err
}
contexts := make([]string, 0, len(ids))
if len(ids) == 0 {
return contexts, nil
}
return contexts, db.GetEngine(db.DefaultContext).Select("context").Table("commit_status").In("id", ids).Find(&contexts)
}
// NewCommitStatusOptions holds options for creating a CommitStatus
type NewCommitStatusOptions struct {
Repo *repo_model.Repository
Creator *user_model.User
SHA string
CommitStatus *CommitStatus
}
// NewCommitStatus save commit statuses into database
func NewCommitStatus(opts NewCommitStatusOptions) error {
if opts.Repo == nil {
return fmt.Errorf("NewCommitStatus[nil, %s]: no repository specified", opts.SHA)
}
repoPath := opts.Repo.RepoPath()
if opts.Creator == nil {
return fmt.Errorf("NewCommitStatus[%s, %s]: no user specified", repoPath, opts.SHA)
}
// Get the next Status Index
idx, err := GetNextCommitStatusIndex(opts.Repo.ID, opts.SHA)
if err != nil {
return fmt.Errorf("generate commit status index failed: %v", err)
}
ctx, committer, err := db.TxContext()
if err != nil {
return fmt.Errorf("NewCommitStatus[repo_id: %d, user_id: %d, sha: %s]: %v", opts.Repo.ID, opts.Creator.ID, opts.SHA, err)
}
defer committer.Close()
opts.CommitStatus.Description = strings.TrimSpace(opts.CommitStatus.Description)
opts.CommitStatus.Context = strings.TrimSpace(opts.CommitStatus.Context)
opts.CommitStatus.TargetURL = strings.TrimSpace(opts.CommitStatus.TargetURL)
opts.CommitStatus.SHA = opts.SHA
opts.CommitStatus.CreatorID = opts.Creator.ID
opts.CommitStatus.RepoID = opts.Repo.ID
opts.CommitStatus.Index = idx
log.Debug("NewCommitStatus[%s, %s]: %d", repoPath, opts.SHA, opts.CommitStatus.Index)
opts.CommitStatus.ContextHash = hashCommitStatusContext(opts.CommitStatus.Context)
// Insert new CommitStatus
if _, err = db.GetEngine(ctx).Insert(opts.CommitStatus); err != nil {
return fmt.Errorf("Insert CommitStatus[%s, %s]: %v", repoPath, opts.SHA, err)
}
return committer.Commit()
}
// SignCommitWithStatuses represents a commit with validation of signature and status state.
type SignCommitWithStatuses struct {
Status *CommitStatus
Statuses []*CommitStatus
*asymkey_model.SignCommit
}
// ParseCommitsWithStatus checks commits latest statuses and calculates its worst status state
func ParseCommitsWithStatus(oldCommits []*asymkey_model.SignCommit, repo *repo_model.Repository) []*SignCommitWithStatuses {
newCommits := make([]*SignCommitWithStatuses, 0, len(oldCommits))
for _, c := range oldCommits {
commit := &SignCommitWithStatuses{
SignCommit: c,
}
statuses, _, err := GetLatestCommitStatus(repo.ID, commit.ID.String(), db.ListOptions{})
if err != nil {
log.Error("GetLatestCommitStatus: %v", err)
} else {
commit.Statuses = statuses
commit.Status = CalcCommitStatus(statuses)
}
newCommits = append(newCommits, commit)
}
return newCommits
}
// hashCommitStatusContext hash context
func hashCommitStatusContext(context string) string {
return fmt.Sprintf("%x", sha1.Sum([]byte(context)))
}