forked from Shiloh/githaven
517 lines
13 KiB
Go
517 lines
13 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package actions
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import (
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"context"
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"crypto/subtle"
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"fmt"
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"time"
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auth_model "code.gitea.io/gitea/models/auth"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/container"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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runnerv1 "code.gitea.io/actions-proto-go/runner/v1"
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lru "github.com/hashicorp/golang-lru/v2"
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"github.com/nektos/act/pkg/jobparser"
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"google.golang.org/protobuf/types/known/timestamppb"
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"xorm.io/builder"
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)
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// ActionTask represents a distribution of job
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type ActionTask struct {
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ID int64
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JobID int64
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Job *ActionRunJob `xorm:"-"`
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Steps []*ActionTaskStep `xorm:"-"`
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Attempt int64
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RunnerID int64 `xorm:"index"`
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Status Status `xorm:"index"`
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Started timeutil.TimeStamp `xorm:"index"`
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Stopped timeutil.TimeStamp
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RepoID int64 `xorm:"index"`
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OwnerID int64 `xorm:"index"`
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CommitSHA string `xorm:"index"`
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IsForkPullRequest bool
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Token string `xorm:"-"`
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TokenHash string `xorm:"UNIQUE"` // sha256 of token
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TokenSalt string
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TokenLastEight string `xorm:"index token_last_eight"`
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LogFilename string // file name of log
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LogInStorage bool // read log from database or from storage
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LogLength int64 // lines count
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LogSize int64 // blob size
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LogIndexes LogIndexes `xorm:"LONGBLOB"` // line number to offset
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LogExpired bool // files that are too old will be deleted
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Created timeutil.TimeStamp `xorm:"created"`
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Updated timeutil.TimeStamp `xorm:"updated index"`
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}
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var successfulTokenTaskCache *lru.Cache[string, any]
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func init() {
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db.RegisterModel(new(ActionTask), func() error {
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if setting.SuccessfulTokensCacheSize > 0 {
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var err error
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successfulTokenTaskCache, err = lru.New[string, any](setting.SuccessfulTokensCacheSize)
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if err != nil {
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return fmt.Errorf("unable to allocate Task cache: %v", err)
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}
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} else {
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successfulTokenTaskCache = nil
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}
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return nil
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})
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}
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func (task *ActionTask) Duration() time.Duration {
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return calculateDuration(task.Started, task.Stopped, task.Status)
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}
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func (task *ActionTask) IsStopped() bool {
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return task.Stopped > 0
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}
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func (task *ActionTask) GetRunLink() string {
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if task.Job == nil || task.Job.Run == nil {
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return ""
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}
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return task.Job.Run.Link()
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}
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func (task *ActionTask) GetCommitLink() string {
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if task.Job == nil || task.Job.Run == nil || task.Job.Run.Repo == nil {
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return ""
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}
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return task.Job.Run.Repo.CommitLink(task.CommitSHA)
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}
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func (task *ActionTask) GetRepoName() string {
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if task.Job == nil || task.Job.Run == nil || task.Job.Run.Repo == nil {
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return ""
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}
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return task.Job.Run.Repo.FullName()
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}
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func (task *ActionTask) GetRepoLink() string {
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if task.Job == nil || task.Job.Run == nil || task.Job.Run.Repo == nil {
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return ""
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}
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return task.Job.Run.Repo.Link()
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}
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func (task *ActionTask) LoadJob(ctx context.Context) error {
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if task.Job == nil {
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job, err := GetRunJobByID(ctx, task.JobID)
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if err != nil {
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return err
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}
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task.Job = job
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}
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return nil
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}
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// LoadAttributes load Job Steps if not loaded
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func (task *ActionTask) LoadAttributes(ctx context.Context) error {
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if task == nil {
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return nil
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}
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if err := task.LoadJob(ctx); err != nil {
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return err
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}
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if err := task.Job.LoadAttributes(ctx); err != nil {
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return err
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}
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if task.Steps == nil { // be careful, an empty slice (not nil) also means loaded
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steps, err := GetTaskStepsByTaskID(ctx, task.ID)
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if err != nil {
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return err
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}
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task.Steps = steps
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}
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return nil
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}
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func (task *ActionTask) GenerateToken() (err error) {
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task.Token, task.TokenSalt, task.TokenHash, task.TokenLastEight, err = generateSaltedToken()
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return err
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}
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func GetTaskByID(ctx context.Context, id int64) (*ActionTask, error) {
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var task ActionTask
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has, err := db.GetEngine(ctx).Where("id=?", id).Get(&task)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, fmt.Errorf("task with id %d: %w", id, util.ErrNotExist)
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}
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return &task, nil
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}
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func GetRunningTaskByToken(ctx context.Context, token string) (*ActionTask, error) {
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errNotExist := fmt.Errorf("task with token %q: %w", token, util.ErrNotExist)
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if token == "" {
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return nil, errNotExist
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}
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// A token is defined as being SHA1 sum these are 40 hexadecimal bytes long
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if len(token) != 40 {
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return nil, errNotExist
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}
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for _, x := range []byte(token) {
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if x < '0' || (x > '9' && x < 'a') || x > 'f' {
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return nil, errNotExist
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}
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}
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lastEight := token[len(token)-8:]
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if id := getTaskIDFromCache(token); id > 0 {
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task := &ActionTask{
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TokenLastEight: lastEight,
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}
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// Re-get the task from the db in case it has been deleted in the intervening period
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has, err := db.GetEngine(ctx).ID(id).Get(task)
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if err != nil {
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return nil, err
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}
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if has {
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return task, nil
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}
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successfulTokenTaskCache.Remove(token)
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}
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var tasks []*ActionTask
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err := db.GetEngine(ctx).Where("token_last_eight = ? AND status = ?", lastEight, StatusRunning).Find(&tasks)
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if err != nil {
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return nil, err
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} else if len(tasks) == 0 {
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return nil, errNotExist
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}
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for _, t := range tasks {
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tempHash := auth_model.HashToken(token, t.TokenSalt)
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if subtle.ConstantTimeCompare([]byte(t.TokenHash), []byte(tempHash)) == 1 {
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if successfulTokenTaskCache != nil {
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successfulTokenTaskCache.Add(token, t.ID)
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}
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return t, nil
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}
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}
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return nil, errNotExist
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}
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func CreateTaskForRunner(ctx context.Context, runner *ActionRunner) (*ActionTask, bool, error) {
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ctx, commiter, err := db.TxContext(ctx)
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if err != nil {
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return nil, false, err
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}
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defer commiter.Close()
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e := db.GetEngine(ctx)
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jobCond := builder.NewCond()
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if runner.RepoID != 0 {
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jobCond = builder.Eq{"repo_id": runner.RepoID}
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} else if runner.OwnerID != 0 {
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jobCond = builder.In("repo_id", builder.Select("id").From("repository").Where(builder.Eq{"owner_id": runner.OwnerID}))
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}
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if jobCond.IsValid() {
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jobCond = builder.In("run_id", builder.Select("id").From("action_run").Where(jobCond))
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}
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var jobs []*ActionRunJob
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if err := e.Where("task_id=? AND status=?", 0, StatusWaiting).And(jobCond).Asc("id").Find(&jobs); err != nil {
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return nil, false, err
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}
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// TODO: a more efficient way to filter labels
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var job *ActionRunJob
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log.Trace("runner labels: %v", runner.AgentLabels)
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for _, v := range jobs {
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if isSubset(runner.AgentLabels, v.RunsOn) {
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job = v
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break
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}
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}
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if job == nil {
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return nil, false, nil
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}
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if err := job.LoadAttributes(ctx); err != nil {
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return nil, false, err
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}
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now := timeutil.TimeStampNow()
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job.Attempt++
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job.Started = now
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job.Status = StatusRunning
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task := &ActionTask{
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JobID: job.ID,
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Attempt: job.Attempt,
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RunnerID: runner.ID,
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Started: now,
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Status: StatusRunning,
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RepoID: job.RepoID,
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OwnerID: job.OwnerID,
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CommitSHA: job.CommitSHA,
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IsForkPullRequest: job.IsForkPullRequest,
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}
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if err := task.GenerateToken(); err != nil {
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return nil, false, err
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}
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var workflowJob *jobparser.Job
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if gots, err := jobparser.Parse(job.WorkflowPayload); err != nil {
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return nil, false, fmt.Errorf("parse workflow of job %d: %w", job.ID, err)
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} else if len(gots) != 1 {
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return nil, false, fmt.Errorf("workflow of job %d: not single workflow", job.ID)
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} else {
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_, workflowJob = gots[0].Job()
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}
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if _, err := e.Insert(task); err != nil {
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return nil, false, err
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}
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task.LogFilename = logFileName(job.Run.Repo.FullName(), task.ID)
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if err := UpdateTask(ctx, task, "log_filename"); err != nil {
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return nil, false, err
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}
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if len(workflowJob.Steps) > 0 {
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steps := make([]*ActionTaskStep, len(workflowJob.Steps))
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for i, v := range workflowJob.Steps {
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name, _ := util.SplitStringAtByteN(v.String(), 255)
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steps[i] = &ActionTaskStep{
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Name: name,
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TaskID: task.ID,
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Index: int64(i),
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RepoID: task.RepoID,
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Status: StatusWaiting,
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}
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}
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if _, err := e.Insert(steps); err != nil {
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return nil, false, err
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}
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task.Steps = steps
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}
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job.TaskID = task.ID
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if n, err := UpdateRunJob(ctx, job, builder.Eq{"task_id": 0}); err != nil {
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return nil, false, err
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} else if n != 1 {
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return nil, false, nil
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}
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if job.Run.Status.IsWaiting() {
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job.Run.Status = StatusRunning
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job.Run.Started = now
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if err := UpdateRun(ctx, job.Run, "status", "started"); err != nil {
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return nil, false, err
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}
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}
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task.Job = job
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if err := commiter.Commit(); err != nil {
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return nil, false, err
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}
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return task, true, nil
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}
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func UpdateTask(ctx context.Context, task *ActionTask, cols ...string) error {
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sess := db.GetEngine(ctx).ID(task.ID)
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if len(cols) > 0 {
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sess.Cols(cols...)
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}
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_, err := sess.Update(task)
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return err
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}
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// UpdateTaskByState updates the task by the state.
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// It will always update the task if the state is not final, even there is no change.
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// So it will update ActionTask.Updated to avoid the task being judged as a zombie task.
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func UpdateTaskByState(ctx context.Context, state *runnerv1.TaskState) (*ActionTask, error) {
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stepStates := map[int64]*runnerv1.StepState{}
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for _, v := range state.Steps {
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stepStates[v.Id] = v
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}
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ctx, commiter, err := db.TxContext(ctx)
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if err != nil {
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return nil, err
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}
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defer commiter.Close()
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e := db.GetEngine(ctx)
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task := &ActionTask{}
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if has, err := e.ID(state.Id).Get(task); err != nil {
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return nil, err
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} else if !has {
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return nil, util.ErrNotExist
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}
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if task.Status.IsDone() {
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// the state is final, do nothing
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return task, nil
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}
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// state.Result is not unspecified means the task is finished
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if state.Result != runnerv1.Result_RESULT_UNSPECIFIED {
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task.Status = Status(state.Result)
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task.Stopped = timeutil.TimeStamp(state.StoppedAt.AsTime().Unix())
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if err := UpdateTask(ctx, task, "status", "stopped"); err != nil {
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return nil, err
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}
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if _, err := UpdateRunJob(ctx, &ActionRunJob{
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ID: task.JobID,
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Status: task.Status,
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Stopped: task.Stopped,
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}, nil); err != nil {
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return nil, err
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}
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} else {
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// Force update ActionTask.Updated to avoid the task being judged as a zombie task
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task.Updated = timeutil.TimeStampNow()
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if err := UpdateTask(ctx, task, "updated"); err != nil {
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return nil, err
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}
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}
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if err := task.LoadAttributes(ctx); err != nil {
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return nil, err
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}
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for _, step := range task.Steps {
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var result runnerv1.Result
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if v, ok := stepStates[step.Index]; ok {
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result = v.Result
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step.LogIndex = v.LogIndex
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step.LogLength = v.LogLength
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step.Started = convertTimestamp(v.StartedAt)
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step.Stopped = convertTimestamp(v.StoppedAt)
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}
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if result != runnerv1.Result_RESULT_UNSPECIFIED {
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step.Status = Status(result)
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} else if step.Started != 0 {
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step.Status = StatusRunning
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}
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if _, err := e.ID(step.ID).Update(step); err != nil {
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return nil, err
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}
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}
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if err := commiter.Commit(); err != nil {
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return nil, err
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}
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return task, nil
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}
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func StopTask(ctx context.Context, taskID int64, status Status) error {
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if !status.IsDone() {
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return fmt.Errorf("cannot stop task with status %v", status)
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}
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e := db.GetEngine(ctx)
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task := &ActionTask{}
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if has, err := e.ID(taskID).Get(task); err != nil {
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return err
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} else if !has {
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return util.ErrNotExist
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}
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if task.Status.IsDone() {
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return nil
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}
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now := timeutil.TimeStampNow()
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task.Status = status
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task.Stopped = now
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if _, err := UpdateRunJob(ctx, &ActionRunJob{
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ID: task.JobID,
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Status: task.Status,
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Stopped: task.Stopped,
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}, nil); err != nil {
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return err
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}
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if err := UpdateTask(ctx, task, "status", "stopped"); err != nil {
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return err
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}
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if err := task.LoadAttributes(ctx); err != nil {
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return err
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}
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for _, step := range task.Steps {
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if !step.Status.IsDone() {
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step.Status = status
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if step.Started == 0 {
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step.Started = now
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}
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step.Stopped = now
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}
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if _, err := e.ID(step.ID).Update(step); err != nil {
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return err
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}
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}
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return nil
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}
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func isSubset(set, subset []string) bool {
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m := make(container.Set[string], len(set))
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for _, v := range set {
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m.Add(v)
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}
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for _, v := range subset {
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if !m.Contains(v) {
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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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func convertTimestamp(timestamp *timestamppb.Timestamp) timeutil.TimeStamp {
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if timestamp.GetSeconds() == 0 && timestamp.GetNanos() == 0 {
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return timeutil.TimeStamp(0)
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}
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return timeutil.TimeStamp(timestamp.AsTime().Unix())
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}
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func logFileName(repoFullName string, taskID int64) string {
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return fmt.Sprintf("%s/%02x/%d.log", repoFullName, taskID%256, taskID)
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}
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func getTaskIDFromCache(token string) int64 {
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if successfulTokenTaskCache == nil {
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return 0
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}
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tInterface, ok := successfulTokenTaskCache.Get(token)
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if !ok {
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return 0
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}
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t, ok := tInterface.(int64)
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if !ok {
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return 0
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}
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return t
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}
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