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feat: unified scheduling model (#282)

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Gareth
2024-05-19 15:52:16 -07:00
committed by GitHub
parent df4be0f7bc
commit 531cd286d8
32 changed files with 1155 additions and 519 deletions
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9
internal/orchestrator/tasks/task.go
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@@ -15,6 +15,7 @@ var NeverScheduledTask = ScheduledTask{}
const (
PlanForUnassociatedOperations = "_unassociated_"
PlanForSystemTasks = "_system_" // plan for system tasks e.g. garbage collection, prune, stats, etc.
TaskPriorityStats = -1
TaskPriorityDefault = 0
@@ -67,7 +68,7 @@ func (s ScheduledTask) Less(other ScheduledTask) bool {
// Task is a task that can be scheduled to run at a specific time.
type Task interface {
Name() string // human readable name for this task.
Next(now time.Time, runner TaskRunner) ScheduledTask // returns the next scheduled task.
Next(now time.Time, runner TaskRunner) (ScheduledTask, error) // returns the next scheduled task.
Run(ctx context.Context, st ScheduledTask, runner TaskRunner) error // run the task.
PlanID() string // the ID of the plan this task is associated with.
RepoID() string // the ID of the repo this task is associated with.
@@ -99,9 +100,9 @@ type OneoffTask struct {
ProtoOp *v1.Operation // the prototype operation for this class of task.
}
func (o *OneoffTask) Next(now time.Time, runner TaskRunner) ScheduledTask {
func (o *OneoffTask) Next(now time.Time, runner TaskRunner) (ScheduledTask, error) {
if o.DidSchedule {
return NeverScheduledTask
return NeverScheduledTask, nil
}
o.DidSchedule = true
@@ -118,7 +119,7 @@ func (o *OneoffTask) Next(now time.Time, runner TaskRunner) ScheduledTask {
return ScheduledTask{
RunAt: o.RunAt,
Op: op,
}
}, nil
}
type GenericOneoffTask struct {