Golang Context.RespondWithNotFound方法代碼示例

// DELETE: /job/{id}
func (cr *JobController) Delete(id string, cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
	}

	// If no auth was provided, and anonymous delete is allowed, use the public user
	if u == nil {
		if conf.ANON_DELETE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	if err = core.QMgr.DeleteJobByUser(id, u); err != nil {
		if err == mgo.ErrNotFound {
			cx.RespondWithNotFound()
			return
		} else if err.Error() == e.UnAuth {
			cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
			return
		} else {
			cx.RespondWithErrorMessage("fail to delete job: "+id, http.StatusBadRequest)
			return
		}
	}

	cx.RespondWithData("job deleted: " + id)
	return
}

// DELETE: /cgroup/{id}
func (cr *ClientGroupController) Delete(id string, cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided and ANON_CG_DELETE is true, use the public user.
	// Otherwise if no auth was provided, throw an error.
	// Otherwise, proceed with deletion of the clientgroup using the user.
	if u == nil {
		if conf.ANON_CG_DELETE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
			return
		}
	}

	// Load clientgroup by id
	cg, err := core.LoadClientGroup(id)

	if err != nil {
		if err == mgo.ErrNotFound {
			cx.RespondWithNotFound()
		} else {
			// In theory the db connection could be lost between
			// checking user and load but seems unlikely.
			cx.RespondWithErrorMessage("clientgroup id not found:"+id, http.StatusBadRequest)
		}
		return
	}

	// User must have delete permissions on clientgroup or be clientgroup owner or be an admin or the clientgroup is publicly deletable.
	// The other possibility is that public deletion of clientgroups is enabled and the clientgroup is publicly deletable.
	rights := cg.Acl.Check(u.Uuid)
	public_rights := cg.Acl.Check("public")
	if (u.Uuid != "public" && (cg.Acl.Owner == u.Uuid || rights["delete"] == true || u.Admin == true || public_rights["delete"] == true)) ||
		(u.Uuid == "public" && conf.ANON_CG_DELETE == true && public_rights["delete"] == true) {
		err := core.DeleteClientGroup(id)
		if err != nil {
			cx.RespondWithErrorMessage("Could not delete clientgroup.", http.StatusInternalServerError)
			return
		}
		cx.RespondWithOK()
		return
	}

	cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
	return
}

// PUT: /job/{id} -> used for job manipulation
func (cr *JobController) Update(id string, cx *goweb.Context) {
	// Log Request and check for Auth
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous write is allowed, use the public user
	if u == nil {
		if conf.ANON_WRITE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Load job by id
	job, err := core.LoadJob(id)

	if err != nil {
		if err == mgo.ErrNotFound {
			cx.RespondWithNotFound()
		} else {
			// In theory the db connection could be lost between
			// checking user and load but seems unlikely.
			// logger.Error("[email protected]_Read:LoadJob: " + id + ":" + err.Error())
			cx.RespondWithErrorMessage("job not found:"+id, http.StatusBadRequest)
		}
		return
	}

	// User must have write permissions on job or be job owner or be an admin
	rights := job.Acl.Check(u.Uuid)
	if job.Acl.Owner != u.Uuid && rights["write"] == false && u.Admin == false {
		cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
		return
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}
	if query.Has("resume") { // to resume a suspended job
		if err := core.QMgr.ResumeSuspendedJob(id); err != nil {
			cx.RespondWithErrorMessage("fail to resume job: "+id+" "+err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData("job resumed: " + id)
		return
	}
	if query.Has("suspend") { // to suspend an in-progress job
		if err := core.QMgr.SuspendJob(id, "manually suspended", ""); err != nil {
			cx.RespondWithErrorMessage("fail to suspend job: "+id+" "+err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData("job suspended: " + id)
		return
	}
	if query.Has("resubmit") || query.Has("reregister") { // to re-submit a job from mongodb
		if err := core.QMgr.ResubmitJob(id); err != nil {
			cx.RespondWithErrorMessage("fail to resubmit job: "+id+" "+err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData("job resubmitted: " + id)
		return
	}
	if query.Has("recompute") { // to recompute a job from task i, the successive/downstream tasks of i will all be computed
		stage := query.Value("recompute")
		if stage == "" {
			cx.RespondWithErrorMessage("lacking stage id from which the recompute starts", http.StatusBadRequest)
			return
		}
		if err := core.QMgr.RecomputeJob(id, stage); err != nil {
			cx.RespondWithErrorMessage("fail to recompute job: "+id+" "+err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData("job recompute started: " + id)
		return
	}
	if query.Has("clientgroup") { // change the clientgroup attribute of the job
		newgroup := query.Value("clientgroup")
		if newgroup == "" {
			cx.RespondWithErrorMessage("lacking clientgroup name", http.StatusBadRequest)
			return
		}
		if err := core.QMgr.UpdateGroup(id, newgroup); err != nil {
			cx.RespondWithErrorMessage("failed to update group for job: "+id+" "+err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData("job group updated: " + id + " to " + newgroup)
		return
	}
	if query.Has("priority") { // change the priority attribute of the job
		priority_str := query.Value("priority")
		if priority_str == "" {
			cx.RespondWithErrorMessage("lacking priority value", http.StatusBadRequest)
//.........這裏部分代碼省略.........

// GET: /job/{id}
func (cr *JobController) Read(id string, cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous read is allowed, use the public user
	if u == nil {
		if conf.ANON_READ == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Load job by id
	job, err := core.LoadJob(id)

	if err != nil {
		cx.RespondWithErrorMessage("job not found:"+id, http.StatusBadRequest)
		return
	}

	// User must have read permissions on job or be job owner or be an admin
	rights := job.Acl.Check(u.Uuid)
	prights := job.Acl.Check("public")
	if job.Acl.Owner != u.Uuid && rights["read"] == false && u.Admin == false && prights["read"] == false {
		cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
		return
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	if query.Has("perf") {
		//Load job perf by id
		perf, err := core.LoadJobPerf(id)
		if err != nil {
			if err == mgo.ErrNotFound {
				cx.RespondWithNotFound()
			} else {
				// In theory the db connection could be lost between
				// checking user and load but seems unlikely.
				logger.Error("[email protected]: " + id + ":" + err.Error())
				cx.RespondWithErrorMessage("job perf stats not found:"+id, http.StatusBadRequest)
			}
			return
		}
		cx.RespondWithData(perf)
		return //done with returning perf, no need to load job further.
	}

	if query.Has("position") {
		if job.State != "queued" && job.State != "in-progress" {
			cx.RespondWithErrorMessage("job is not queued or in-progress, job state:"+job.State, http.StatusBadRequest)
			return
		}

		// Retrieve the job's approximate position in the queue (this is a rough estimate since jobs are not actually in a queue)
		q := bson.M{}
		qState := bson.M{}    // query job state
		qPriority := bson.M{} // query job priority
		qCgroup := bson.M{}   // query job clietgroup

		qState["$or"] = []bson.M{bson.M{"state": core.JOB_STAT_INIT}, bson.M{"state": core.JOB_STAT_QUEUED}, bson.M{"state": core.JOB_STAT_INPROGRESS}}
		qPriority["$or"] = []bson.M{bson.M{"info.priority": bson.M{"$gt": job.Info.Priority}}, bson.M{"$and": []bson.M{bson.M{"info.priority": job.Info.Priority}, bson.M{"info.submittime": bson.M{"$lt": job.Info.SubmitTime}}}}}

		var cgroups []bson.M
		for _, value := range strings.Split(job.Info.ClientGroups, ",") {
			cgroups = append(cgroups, bson.M{"info.clientgroups": bson.M{"$regex": value}})
		}
		qCgroup["$or"] = cgroups
		q["$and"] = []bson.M{qState, qPriority, qCgroup}

		if count, err := core.GetJobCount(q); err != nil {
			cx.RespondWithErrorMessage("error retrieving job position in queue", http.StatusInternalServerError)
		} else {
			m := make(map[string]int)
			m["position"] = count + 1
			cx.RespondWithData(m)
		}
		return
	}

	if core.QMgr.IsJobRegistered(id) {
		job.Registered = true
	} else {
		job.Registered = false
	}

	if query.Has("export") {
		target := query.Value("export")
		if target == "" {
			cx.RespondWithErrorMessage("lacking stage id from which the recompute starts", http.StatusBadRequest)
//.........這裏部分代碼省略.........