func (core *Core) StartJob(job *registry.Job) error {
log.Infof("Starting job: %v", job.ID)
if job.Image == "" && job.ContextDir == "" {
return errors.New("Start job error: image, context_dir cannot be nil at the same time")
}
job.StartTime = time.Now().UnixNano()
if job.ContextDir != "" {
core.BuildImage(job)
}
// TODO split input
job.Status = registry.StatusRunning
core.RunTask(job)
return nil
}
func (core *Core) BuildImage(job *registry.Job) error {
// Build Images before run test task
// TaskID: build-{JobID}-{randID}-{NumberOfScale}
log.Infof("Create task for job(%v) to build image", job.ID)
job.Image = "image-" + job.ID
for index := 1; index <= job.BuildNodeNumber(); index++ {
task := ®istry.Task{
Cpus: BuildCPU,
Mem: BuildMem,
ID: "build-" + job.ID + "-" + strconv.Itoa(index),
Name: job.Name,
Type: registry.TaskTypeBuild,
CreateTime: time.Now().UnixNano(),
JobID: job.ID,
State: "TASK_WAITING",
SLA: registry.SLAOnePerNode,
}
err := core.AddTask(task.ID, task)
job.PushTask(task)
if err != nil {
log.Errorf("Error when add %d build image task: %v", index, err)
task.State = "TASK_FAILED"
job.PopLastTask()
continue
}
}
return nil
}
// CollectResult collect result for task
func (core *Core) CollectResult(job *registry.Job, task *registry.Task) {
taskInstance := ®istry.Task{
Cpus: CollectCPU,
Mem: CollectMem,
ID: "collect-" + job.ID + "-" + task.ID,
Name: job.Name,
Type: registry.TaskTypeBuild,
CreateTime: time.Now().UnixNano(),
JobID: job.ID,
State: "TASK_WAITING",
SLA: registry.SLAOnePerNode,
Directory: task.Directory,
}
err := core.AddTask(taskInstance.ID, taskInstance)
job.PushTask(taskInstance)
if err != nil {
log.Errorf("Error when add %d result collector: %v", err)
task.State = "TASK_FAILED"
job.PopLastTask()
}
}
func (core *Core) addTask(job *registry.Job, scale int, inputs []string) {
for _, task := range job.Tasks {
randID, err := utils.Encode(6)
if err != nil {
log.Errorf("Error when generate id to task %s of job %v", task.ID, job.ID)
continue
}
if task.Scale <= 0 {
task.Scale = 1
}
if scale == 0 {
scale = task.Scale
}
job.TotalTaskLen = scale
for index := 1; index <= scale; index++ {
// To avoid use same pointer of ports
// Instantiate a new array
var ports []*registry.Port
for _, port := range task.Ports {
ports = append(ports, ®istry.Port{
ContainerPort: port.ContainerPort,
HostPort: port.HostPort,
})
}
taskInstance := ®istry.Task{
JobID: job.ID,
ID: "task-" + job.ID + "-" + randID + "-" + strconv.Itoa(index),
Name: job.Name,
DockerImage: job.Image,
Cpus: task.Cpus,
Mem: task.Mem,
Disk: task.Disk,
Ports: ports,
Command: task.Command,
Volumes: task.Volumes,
Resources: task.Resources,
Attributes: task.Attributes,
CreateTime: time.Now().UnixNano(),
Type: registry.TaskTypeTest,
State: "TASK_WAITING",
}
// mount input path
if len(inputs) > 0 {
taskInstance.Volumes = append(taskInstance.Volumes, ®istry.Volume{
HostPath: fs.NormalizePath(inputs[index-1]),
ContainerPath: "/input",
})
}
// mount work directory
taskInstance.Volumes = append(taskInstance.Volumes, ®istry.Volume{
HostPath: fs.NormalizePath(job.WorkDirectory),
ContainerPath: "/workspace",
})
// mount output
taskInstance.Volumes = append(taskInstance.Volumes, ®istry.Volume{
HostPath: fs.NormalizePath(job.OutputPath),
ContainerPath: "/output",
})
// if task was build from dockerfile
// add attribute to task
if job.ContextDir != "" {
taskInstance.Attributes = append(task.Attributes, &mesosproto.Attribute{
Name: proto.String("Image"),
Text: &mesosproto.Value_Text{
Value: proto.String(job.Image),
},
})
}
// TODO bugfix: task point to one pointer
var taskArguments []string
for _, arg := range task.Arguments {
taskArguments = append(taskArguments, arg)
}
taskInstance.Arguments = taskArguments
err = core.AddTask(taskInstance.ID, taskInstance)
job.PushTask(taskInstance)
if err != nil {
task.State = "TASK_FAILED"
log.Errorf("Error when running task %v: %v", task.ID, err)
job.PopLastTask()
continue
}
}
}
}