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94b882fb95
Part of #738 ``` pnpx cspell lint --gitignore '{**,.*}/{*,.*}' ``` --------- Co-authored-by: Anbraten <anton@ju60.de> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: 6543 <6543@obermui.de>
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
// Copyright 2021 Woodpecker Authors
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// Copyright 2018 Drone.IO 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 queue
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/rs/zerolog/log"
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"go.woodpecker-ci.org/woodpecker/v2/server/model"
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)
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// WithTaskStore returns a queue that is backed by the TaskStore. This
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// ensures the task Queue can be restored when the system starts.
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func WithTaskStore(q Queue, s model.TaskStore) Queue {
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tasks, _ := s.TaskList()
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if err := q.PushAtOnce(context.Background(), tasks); err != nil {
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log.Error().Err(err).Msg("PushAtOnce failed")
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}
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return &persistentQueue{q, s}
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}
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type persistentQueue struct {
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Queue
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store model.TaskStore
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}
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// Push pushes a task to the tail of this queue.
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func (q *persistentQueue) Push(c context.Context, task *model.Task) error {
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if err := q.store.TaskInsert(task); err != nil {
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return err
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}
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err := q.Queue.Push(c, task)
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if err != nil {
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if err2 := q.store.TaskDelete(task.ID); err2 != nil {
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err = errors.Wrapf(err, "delete task '%s' failed: %v", task.ID, err2)
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}
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}
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return err
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}
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// PushAtOnce pushes multiple tasks to the tail of this queue.
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func (q *persistentQueue) PushAtOnce(c context.Context, tasks []*model.Task) error {
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// TODO: invent store.NewSession who return context including a session and make TaskInsert & TaskDelete use it
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for _, task := range tasks {
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if err := q.store.TaskInsert(task); err != nil {
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return err
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}
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}
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err := q.Queue.PushAtOnce(c, tasks)
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if err != nil {
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for _, task := range tasks {
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if err := q.store.TaskDelete(task.ID); err != nil {
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return err
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}
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}
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}
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return err
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}
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// Poll retrieves and removes a task head of this queue.
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func (q *persistentQueue) Poll(c context.Context, agentID int64, f FilterFn) (*model.Task, error) {
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task, err := q.Queue.Poll(c, agentID, f)
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if task != nil {
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log.Debug().Msgf("pull queue item: %s: remove from backup", task.ID)
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if deleteErr := q.store.TaskDelete(task.ID); deleteErr != nil {
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log.Error().Err(deleteErr).Msgf("pull queue item: %s: failed to remove from backup", task.ID)
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} else {
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log.Debug().Msgf("pull queue item: %s: successfully removed from backup", task.ID)
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}
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}
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return task, err
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}
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// Evict removes a pending task from the queue.
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func (q *persistentQueue) Evict(c context.Context, id string) error {
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err := q.Queue.Evict(c, id)
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if err == nil {
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return q.store.TaskDelete(id)
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}
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return err
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}
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// EvictAtOnce removes a pending task from the queue.
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func (q *persistentQueue) EvictAtOnce(c context.Context, ids []string) error {
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if err := q.Queue.EvictAtOnce(c, ids); err != nil {
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return err
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}
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for _, id := range ids {
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if err := q.store.TaskDelete(id); err != nil {
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return err
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}
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}
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return nil
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}
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