mirror of https://github.com/harness/drone.git
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package scheduler
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import (
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"context"
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"github.com/harness/gitness/internal/store"
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"github.com/harness/gitness/lock"
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"github.com/harness/gitness/types"
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)
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// Filter provides filter criteria to limit stages requested
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// from the scheduler.
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type Filter struct {
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Kind string
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Type string
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OS string
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Arch string
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Kernel string
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Variant string
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Labels map[string]string
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}
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// Scheduler schedules Build stages for execution.
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type Scheduler interface {
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// Schedule schedules the stage for execution.
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Schedule(ctx context.Context, stage *types.Stage) error
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// Request requests the next stage scheduled for execution.
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Request(ctx context.Context, filter Filter) (*types.Stage, error)
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// Cancel cancels scheduled or running jobs associated
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// with the parent build ID.
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Cancel(context.Context, int64) error
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// Cancelled blocks and listens for a cancellation event and
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// returns true if the build has been cancelled.
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Cancelled(context.Context, int64) (bool, error)
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}
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type scheduler struct {
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*queue
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*canceler
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}
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// newScheduler provides an instance of a scheduler with cancel abilities.
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func newScheduler(stageStore store.StageStore, lock lock.MutexManager) (Scheduler, error) {
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q, err := newQueue(stageStore, lock)
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if err != nil {
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return nil, err
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}
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return scheduler{
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q,
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newCanceler(),
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}, nil
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}
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