// Pull is a long request that polls and attemts to pull work off the queue stack.
func Pull(c *gin.Context) {
logrus.Debugf("Agent %s connected.", c.ClientIP())
w := queue.PullClose(c, c.Writer)
if w == nil {
logrus.Debugf("Agent %s could not pull work.", c.ClientIP())
} else {
// setup the channel to stream logs
if err := stream.Create(c, stream.ToKey(w.Job.ID)); err != nil {
logrus.Errorf("Unable to create stream. %s", err)
}
c.JSON(202, w)
logrus.Debugf("Agent %s assigned work. %s/%s#%d.%d",
c.ClientIP(),
w.Repo.Owner,
w.Repo.Name,
w.Build.Number,
w.Job.Number,
)
}
}
// Update handles build updates from the agent and persists to the database.
func Update(c *gin.Context) {
work := &queue.Work{}
if err := c.BindJSON(work); err != nil {
logrus.Errorf("Invalid input. %s", err)
return
}
// TODO(bradrydzewski) it is really annoying that we have to do this lookup
// and I'd prefer not to. The reason we do this is because the Build and Job
// have fields that aren't serialized to json and would be reset to their
// empty values if we just saved what was coming in the http.Request body.
build, err := store.GetBuild(c, work.Build.ID)
if err != nil {
c.String(404, "Unable to find build. %s", err)
return
}
job, err := store.GetJob(c, work.Job.ID)
if err != nil {
c.String(404, "Unable to find job. %s", err)
return
}
build.Started = work.Build.Started
build.Finished = work.Build.Finished
build.Status = work.Build.Status
job.Started = work.Job.Started
job.Finished = work.Job.Finished
job.Status = work.Job.Status
job.ExitCode = work.Job.ExitCode
if build.Status == model.StatusPending {
build.Status = model.StatusRunning
store.UpdateBuild(c, build)
}
if job.Status == model.StatusRunning {
err := stream.Create(c, stream.ToKey(job.ID))
if err != nil {
logrus.Errorf("Unable to create stream. %s", err)
}
}
ok, err := store.UpdateBuildJob(c, build, job)
if err != nil {
c.String(500, "Unable to update job. %s", err)
return
}
if ok && build.Status != model.StatusRunning {
// get the user because we transfer the user form the server to agent
// and back we lose the token which does not get serialized to json.
user, err := store.GetUser(c, work.User.ID)
if err != nil {
c.String(500, "Unable to find user. %s", err)
return
}
remote.Status(c, user, work.Repo, build,
fmt.Sprintf("%s/%s/%d", work.System.Link, work.Repo.FullName, work.Build.Number))
}
if build.Status == model.StatusRunning {
bus.Publish(c, bus.NewEvent(bus.Started, work.Repo, build, job))
} else {
bus.Publish(c, bus.NewEvent(bus.Finished, work.Repo, build, job))
}
c.JSON(200, work)
}