394 lines
11 KiB
Go
394 lines
11 KiB
Go
package persistence
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// SPDX-License-Identifier: GPL-3.0-or-later
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"git.blender.org/flamenco/internal/manager/job_compilers"
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"git.blender.org/flamenco/internal/uuid"
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"git.blender.org/flamenco/pkg/api"
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)
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const schedulerTestTimeout = 100 * time.Millisecond
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func TestNoTasks(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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task, err := db.ScheduleTask(ctx, &w)
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assert.Nil(t, task)
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assert.NoError(t, err)
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}
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func TestOneJobOneTask(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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authTask := authorTestTask("the task", "blender")
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atj := authorTestJob("b6a1d859-122f-4791-8b78-b943329a9989", "simple-blender-render", authTask)
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job := constructTestJob(ctx, t, db, atj)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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// Check the returned task.
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, job.ID, task.JobID)
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if task.WorkerID == nil {
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t.Fatal("no worker assigned to task")
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}
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assert.Equal(t, w.ID, *task.WorkerID, "task must be assigned to the requesting worker")
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// Check the task in the database.
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now := db.gormDB.NowFunc()
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dbTask, err := db.FetchTask(context.Background(), authTask.UUID)
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assert.NoError(t, err)
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if dbTask == nil {
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t.Fatal("task cannot be fetched from database")
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}
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if dbTask.WorkerID == nil {
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t.Fatal("no worker assigned to task")
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}
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assert.Equal(t, w.ID, *dbTask.WorkerID, "task must be assigned to the requesting worker")
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assert.WithinDuration(t, now, dbTask.LastTouchedAt, time.Second, "task must be 'touched' by the worker after scheduling")
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}
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func TestOneJobThreeTasksByPrio(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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att1 := authorTestTask("1 low-prio task", "blender")
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att2 := authorTestTask("2 high-prio task", "ffmpeg")
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att2.Priority = 100
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att3 := authorTestTask("3 low-prio task", "blender")
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atj := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1, att2, att3)
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job := constructTestJob(ctx, t, db, atj)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, job.ID, task.JobID)
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if task.Job == nil {
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t.Fatal("task.Job is nil")
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}
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assert.Equal(t, att2.Name, task.Name, "the high-prio task should have been chosen")
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}
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func TestOneJobThreeTasksByDependencies(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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att1 := authorTestTask("1 low-prio task", "blender")
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att2 := authorTestTask("2 high-prio task", "ffmpeg")
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att2.Priority = 100
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att2.Dependencies = []*job_compilers.AuthoredTask{&att1}
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att3 := authorTestTask("3 low-prio task", "blender")
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atj := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1, att2, att3)
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job := constructTestJob(ctx, t, db, atj)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, job.ID, task.JobID)
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assert.Equal(t, att1.Name, task.Name, "the first task should have been chosen")
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}
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func TestTwoJobsThreeTasks(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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att1_1 := authorTestTask("1.1 low-prio task", "blender")
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att1_2 := authorTestTask("1.2 high-prio task", "ffmpeg")
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att1_2.Priority = 100
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att1_2.Dependencies = []*job_compilers.AuthoredTask{&att1_1}
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att1_3 := authorTestTask("1.3 low-prio task", "blender")
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atj1 := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1_1, att1_2, att1_3)
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att2_1 := authorTestTask("2.1 low-prio task", "blender")
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att2_2 := authorTestTask("2.2 high-prio task", "ffmpeg")
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att2_2.Priority = 100
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att2_2.Dependencies = []*job_compilers.AuthoredTask{&att2_1}
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att2_3 := authorTestTask("2.3 highest-prio task", "blender")
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att2_3.Priority = 150
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atj2 := authorTestJob(
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"7180617b-da70-411c-8b38-b972ab2bae8d",
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"simple-blender-render",
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att2_1, att2_2, att2_3)
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atj2.Priority = 100 // Increase priority over job 1.
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constructTestJob(ctx, t, db, atj1)
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job2 := constructTestJob(ctx, t, db, atj2)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, job2.ID, task.JobID)
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assert.Equal(t, att2_3.Name, task.Name, "the 3rd task of the 2nd job should have been chosen")
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}
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func TestSomeButNotAllDependenciesCompleted(t *testing.T) {
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// There was a bug in the task scheduler query, where it would schedule a task
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// if any of its dependencies was completed (instead of all dependencies).
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// This test reproduces that problematic scenario.
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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att1 := authorTestTask("1.1 completed task", "blender")
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att2 := authorTestTask("1.2 queued task of unsupported type", "unsupported")
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att3 := authorTestTask("1.3 queued task with queued dependency", "ffmpeg")
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att3.Dependencies = []*job_compilers.AuthoredTask{&att1, &att2}
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atj := authorTestJob("1295757b-e668-4c49-8b89-f73db8270e42", "simple-blender-render", att1, att2, att3)
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constructTestJob(ctx, t, db, atj)
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// Complete the first task. The other two are still `queued`.
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setTaskStatus(t, db, att1.UUID, api.TaskStatusCompleted)
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w := linuxWorker(t, db)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task != nil {
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t.Fatalf("there should not be any task assigned, but received %q", task.Name)
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}
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}
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func TestAlreadyAssigned(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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att1 := authorTestTask("1 low-prio task", "blender")
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att2 := authorTestTask("2 high-prio task", "ffmpeg")
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att2.Priority = 100
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att3 := authorTestTask("3 low-prio task", "blender")
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atj := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1, att2, att3)
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constructTestJob(ctx, t, db, atj)
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// Assign the task to the worker, and mark it as Active.
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// This should make it get returned by the scheduler, even when there is
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// another, higher-prio task to be done.
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dbTask3, err := db.FetchTask(ctx, att3.UUID)
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assert.NoError(t, err)
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dbTask3.WorkerID = &w.ID
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dbTask3.Status = api.TaskStatusActive
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err = db.SaveTask(ctx, dbTask3)
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assert.NoError(t, err)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, att3.Name, task.Name, "the already-assigned task should have been chosen")
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}
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func TestAssignedToOtherWorker(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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w2 := windowsWorker(t, db)
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att1 := authorTestTask("1 low-prio task", "blender")
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att2 := authorTestTask("2 high-prio task", "ffmpeg")
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att2.Priority = 100
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atj := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1, att2)
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constructTestJob(ctx, t, db, atj)
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// Assign the high-prio task to the other worker. Because the task is queued,
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// it shouldn't matter which worker it's assigned to.
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dbTask2, err := db.FetchTask(ctx, att2.UUID)
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assert.NoError(t, err)
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dbTask2.WorkerID = &w2.ID
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dbTask2.Status = api.TaskStatusQueued
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err = db.SaveTask(ctx, dbTask2)
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assert.NoError(t, err)
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, att2.Name, task.Name, "the high-prio task should have been chosen")
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assert.Equal(t, *task.WorkerID, w.ID, "the task should now be assigned to the worker it was scheduled for")
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}
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func TestPreviouslyFailed(t *testing.T) {
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ctx, cancel, db := persistenceTestFixtures(t, schedulerTestTimeout)
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defer cancel()
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w := linuxWorker(t, db)
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att1 := authorTestTask("1 failed task", "blender")
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att2 := authorTestTask("2 expected task", "blender")
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atj := authorTestJob(
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"1295757b-e668-4c49-8b89-f73db8270e42",
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"simple-blender-render",
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att1, att2)
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job := constructTestJob(ctx, t, db, atj)
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// Mimick that this worker already failed the first task.
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tasks, err := db.FetchTasksOfJob(ctx, job)
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assert.NoError(t, err)
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numFailed, err := db.AddWorkerToTaskFailedList(ctx, tasks[0], &w)
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assert.NoError(t, err)
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assert.Equal(t, 1, numFailed)
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// This should assign the 2nd task.
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task, err := db.ScheduleTask(ctx, &w)
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assert.NoError(t, err)
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if task == nil {
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t.Fatal("task is nil")
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}
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assert.Equal(t, att2.Name, task.Name, "the second task should have been chosen")
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}
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// To test: blocklists
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// To test: variable replacement
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func constructTestJob(
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ctx context.Context, t *testing.T, db *DB, authoredJob job_compilers.AuthoredJob,
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) *Job {
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err := db.StoreAuthoredJob(ctx, authoredJob)
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if err != nil {
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t.Fatalf("storing authored job: %v", err)
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}
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dbJob, err := db.FetchJob(ctx, authoredJob.JobID)
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if err != nil {
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t.Fatalf("fetching authored job: %v", err)
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}
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// Queue the job.
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dbJob.Status = api.JobStatusQueued
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err = db.SaveJobStatus(ctx, dbJob)
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if err != nil {
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t.Fatalf("queueing job: %v", err)
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}
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return dbJob
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}
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func authorTestJob(jobUUID, jobType string, tasks ...job_compilers.AuthoredTask) job_compilers.AuthoredJob {
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job := job_compilers.AuthoredJob{
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JobID: jobUUID,
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Name: "test job",
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JobType: jobType,
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Priority: 50,
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Status: api.JobStatusQueued,
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Created: time.Now(),
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Tasks: tasks,
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}
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return job
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}
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func authorTestTask(name, taskType string, dependencies ...*job_compilers.AuthoredTask) job_compilers.AuthoredTask {
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task := job_compilers.AuthoredTask{
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Name: name,
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Type: taskType,
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UUID: uuid.New(),
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Priority: 50,
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Commands: make([]job_compilers.AuthoredCommand, 0),
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Dependencies: dependencies,
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}
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return task
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}
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func setTaskStatus(t *testing.T, db *DB, taskUUID string, status api.TaskStatus) {
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ctx := context.Background()
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task, err := db.FetchTask(ctx, taskUUID)
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if err != nil {
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t.Fatal(err)
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}
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task.Status = status
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err = db.SaveTask(ctx, task)
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if err != nil {
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t.Fatal(err)
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}
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}
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func linuxWorker(t *testing.T, db *DB) Worker {
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w := Worker{
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UUID: "b13b8322-3e96-41c3-940a-3d581008a5f8",
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Name: "Linux",
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Platform: "linux",
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Status: api.WorkerStatusAwake,
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SupportedTaskTypes: "blender,ffmpeg,file-management,misc",
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}
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err := db.gormDB.Save(&w).Error
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if err != nil {
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t.Logf("cannot save Linux worker: %v", err)
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t.FailNow()
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}
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return w
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}
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func windowsWorker(t *testing.T, db *DB) Worker {
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w := Worker{
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UUID: "4f6ee45e-c8fc-4c31-bf5c-922f2415deb1",
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Name: "Windows",
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Platform: "windows",
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Status: api.WorkerStatusAwake,
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SupportedTaskTypes: "blender,ffmpeg,file-management,misc",
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}
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err := db.gormDB.Save(&w).Error
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if err != nil {
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t.Logf("cannot save Windows worker: %v", err)
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t.FailNow()
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}
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return w
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}
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