mirror of
https://github.com/go-gitea/gitea
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62eb1b0f25
* Queue: Add generic graceful queues with settings
* Queue & Setting: Add worker pool implementation
* Queue: Add worker settings
* Queue: Make resizing worker pools
* Queue: Add name variable to queues
* Queue: Add monitoring
* Queue: Improve logging
* Issues: Gracefulise the issues indexer
Remove the old now unused specific queues
* Task: Move to generic queue and gracefulise
* Issues: Standardise the issues indexer queue settings
* Fix test
* Queue: Allow Redis to connect to unix
* Prevent deadlock during early shutdown of issue indexer
* Add MaxWorker settings to queues
* Merge branch 'master' into graceful-queues
* Update modules/indexer/issues/indexer.go
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Update modules/indexer/issues/indexer.go
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Update modules/queue/queue_channel.go
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Update modules/queue/queue_disk.go
* Update modules/queue/queue_disk_channel.go
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Rename queue.Description to queue.ManagedQueue as per @guillep2k
* Cancel pool workers when removed
* Remove dependency on queue from setting
* Update modules/queue/queue_redis.go
Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* As per @guillep2k add mutex locks on shutdown/terminate
* move unlocking out of setInternal
* Add warning if number of workers < 0
* Small changes as per @guillep2k
* No redis host specified not found
* Clean up documentation for queues
* Update docs/content/doc/advanced/config-cheat-sheet.en-us.md
* Update modules/indexer/issues/indexer_test.go
* Ensure that persistable channel queue is added to manager
* Rename QUEUE_NAME REDIS_QUEUE_NAME
* Revert "Rename QUEUE_NAME REDIS_QUEUE_NAME"
This reverts commit 1f83b4fc9b
.
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
271 lines
6.1 KiB
Go
271 lines
6.1 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package queue
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import (
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"context"
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"encoding/json"
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"fmt"
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"reflect"
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"sort"
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"sync"
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"time"
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"code.gitea.io/gitea/modules/log"
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)
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var manager *Manager
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// Manager is a queue manager
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type Manager struct {
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mutex sync.Mutex
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counter int64
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Queues map[int64]*ManagedQueue
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}
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// ManagedQueue represents a working queue inheriting from Gitea.
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type ManagedQueue struct {
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mutex sync.Mutex
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QID int64
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Queue Queue
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Type Type
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Name string
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Configuration interface{}
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ExemplarType string
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Pool ManagedPool
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counter int64
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PoolWorkers map[int64]*PoolWorkers
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}
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// ManagedPool is a simple interface to get certain details from a worker pool
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type ManagedPool interface {
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AddWorkers(number int, timeout time.Duration) context.CancelFunc
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NumberOfWorkers() int
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MaxNumberOfWorkers() int
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SetMaxNumberOfWorkers(int)
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BoostTimeout() time.Duration
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BlockTimeout() time.Duration
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BoostWorkers() int
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SetSettings(maxNumberOfWorkers, boostWorkers int, timeout time.Duration)
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}
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// ManagedQueueList implements the sort.Interface
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type ManagedQueueList []*ManagedQueue
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// PoolWorkers represents a working queue inheriting from Gitea.
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type PoolWorkers struct {
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PID int64
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Workers int
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Start time.Time
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Timeout time.Time
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HasTimeout bool
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Cancel context.CancelFunc
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}
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// PoolWorkersList implements the sort.Interface
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type PoolWorkersList []*PoolWorkers
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func init() {
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_ = GetManager()
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}
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// GetManager returns a Manager and initializes one as singleton if there's none yet
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func GetManager() *Manager {
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if manager == nil {
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manager = &Manager{
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Queues: make(map[int64]*ManagedQueue),
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}
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}
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return manager
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}
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// Add adds a queue to this manager
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func (m *Manager) Add(queue Queue,
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t Type,
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configuration,
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exemplar interface{},
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pool ManagedPool) int64 {
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cfg, _ := json.Marshal(configuration)
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mq := &ManagedQueue{
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Queue: queue,
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Type: t,
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Configuration: string(cfg),
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ExemplarType: reflect.TypeOf(exemplar).String(),
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PoolWorkers: make(map[int64]*PoolWorkers),
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Pool: pool,
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}
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m.mutex.Lock()
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m.counter++
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mq.QID = m.counter
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mq.Name = fmt.Sprintf("queue-%d", mq.QID)
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if named, ok := queue.(Named); ok {
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mq.Name = named.Name()
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}
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m.Queues[mq.QID] = mq
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m.mutex.Unlock()
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log.Trace("Queue Manager registered: %s (QID: %d)", mq.Name, mq.QID)
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return mq.QID
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}
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// Remove a queue from the Manager
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func (m *Manager) Remove(qid int64) {
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m.mutex.Lock()
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delete(m.Queues, qid)
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m.mutex.Unlock()
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log.Trace("Queue Manager removed: QID: %d", qid)
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}
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// GetManagedQueue by qid
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func (m *Manager) GetManagedQueue(qid int64) *ManagedQueue {
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m.mutex.Lock()
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defer m.mutex.Unlock()
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return m.Queues[qid]
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}
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// ManagedQueues returns the managed queues
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func (m *Manager) ManagedQueues() []*ManagedQueue {
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m.mutex.Lock()
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mqs := make([]*ManagedQueue, 0, len(m.Queues))
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for _, mq := range m.Queues {
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mqs = append(mqs, mq)
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}
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m.mutex.Unlock()
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sort.Sort(ManagedQueueList(mqs))
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return mqs
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}
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// Workers returns the poolworkers
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func (q *ManagedQueue) Workers() []*PoolWorkers {
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q.mutex.Lock()
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workers := make([]*PoolWorkers, 0, len(q.PoolWorkers))
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for _, worker := range q.PoolWorkers {
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workers = append(workers, worker)
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}
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q.mutex.Unlock()
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sort.Sort(PoolWorkersList(workers))
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return workers
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}
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// RegisterWorkers registers workers to this queue
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func (q *ManagedQueue) RegisterWorkers(number int, start time.Time, hasTimeout bool, timeout time.Time, cancel context.CancelFunc) int64 {
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q.mutex.Lock()
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defer q.mutex.Unlock()
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q.counter++
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q.PoolWorkers[q.counter] = &PoolWorkers{
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PID: q.counter,
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Workers: number,
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Start: start,
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Timeout: timeout,
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HasTimeout: hasTimeout,
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Cancel: cancel,
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}
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return q.counter
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}
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// CancelWorkers cancels pooled workers with pid
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func (q *ManagedQueue) CancelWorkers(pid int64) {
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q.mutex.Lock()
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pw, ok := q.PoolWorkers[pid]
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q.mutex.Unlock()
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if !ok {
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return
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}
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pw.Cancel()
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}
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// RemoveWorkers deletes pooled workers with pid
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func (q *ManagedQueue) RemoveWorkers(pid int64) {
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q.mutex.Lock()
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pw, ok := q.PoolWorkers[pid]
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delete(q.PoolWorkers, pid)
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q.mutex.Unlock()
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if ok && pw.Cancel != nil {
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pw.Cancel()
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}
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}
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// AddWorkers adds workers to the queue if it has registered an add worker function
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func (q *ManagedQueue) AddWorkers(number int, timeout time.Duration) context.CancelFunc {
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if q.Pool != nil {
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// the cancel will be added to the pool workers description above
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return q.Pool.AddWorkers(number, timeout)
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}
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return nil
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}
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// NumberOfWorkers returns the number of workers in the queue
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func (q *ManagedQueue) NumberOfWorkers() int {
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if q.Pool != nil {
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return q.Pool.NumberOfWorkers()
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}
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return -1
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}
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// MaxNumberOfWorkers returns the maximum number of workers for the pool
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func (q *ManagedQueue) MaxNumberOfWorkers() int {
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if q.Pool != nil {
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return q.Pool.MaxNumberOfWorkers()
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}
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return 0
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}
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// BoostWorkers returns the number of workers for a boost
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func (q *ManagedQueue) BoostWorkers() int {
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if q.Pool != nil {
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return q.Pool.BoostWorkers()
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}
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return -1
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}
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// BoostTimeout returns the timeout of the next boost
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func (q *ManagedQueue) BoostTimeout() time.Duration {
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if q.Pool != nil {
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return q.Pool.BoostTimeout()
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}
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return 0
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}
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// BlockTimeout returns the timeout til the next boost
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func (q *ManagedQueue) BlockTimeout() time.Duration {
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if q.Pool != nil {
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return q.Pool.BlockTimeout()
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}
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return 0
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}
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// SetSettings sets the setable boost values
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func (q *ManagedQueue) SetSettings(maxNumberOfWorkers, boostWorkers int, timeout time.Duration) {
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if q.Pool != nil {
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q.Pool.SetSettings(maxNumberOfWorkers, boostWorkers, timeout)
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}
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}
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func (l ManagedQueueList) Len() int {
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return len(l)
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}
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func (l ManagedQueueList) Less(i, j int) bool {
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return l[i].Name < l[j].Name
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}
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func (l ManagedQueueList) Swap(i, j int) {
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l[i], l[j] = l[j], l[i]
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}
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func (l PoolWorkersList) Len() int {
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return len(l)
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}
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func (l PoolWorkersList) Less(i, j int) bool {
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return l[i].Start.Before(l[j].Start)
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}
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func (l PoolWorkersList) Swap(i, j int) {
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l[i], l[j] = l[j], l[i]
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}
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