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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>
107 lines
2.7 KiB
Go
107 lines
2.7 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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"fmt"
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"reflect"
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"time"
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"code.gitea.io/gitea/modules/log"
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)
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// ChannelQueueType is the type for channel queue
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const ChannelQueueType Type = "channel"
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// ChannelQueueConfiguration is the configuration for a ChannelQueue
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type ChannelQueueConfiguration struct {
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QueueLength int
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BatchLength int
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Workers int
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MaxWorkers int
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BlockTimeout time.Duration
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BoostTimeout time.Duration
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BoostWorkers int
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Name string
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}
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// ChannelQueue implements
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type ChannelQueue struct {
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pool *WorkerPool
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exemplar interface{}
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workers int
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name string
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}
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// NewChannelQueue create a memory channel queue
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func NewChannelQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue, error) {
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configInterface, err := toConfig(ChannelQueueConfiguration{}, cfg)
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if err != nil {
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return nil, err
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}
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config := configInterface.(ChannelQueueConfiguration)
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if config.BatchLength == 0 {
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config.BatchLength = 1
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}
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dataChan := make(chan Data, config.QueueLength)
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ctx, cancel := context.WithCancel(context.Background())
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queue := &ChannelQueue{
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pool: &WorkerPool{
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baseCtx: ctx,
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cancel: cancel,
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batchLength: config.BatchLength,
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handle: handle,
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dataChan: dataChan,
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blockTimeout: config.BlockTimeout,
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boostTimeout: config.BoostTimeout,
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boostWorkers: config.BoostWorkers,
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maxNumberOfWorkers: config.MaxWorkers,
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},
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exemplar: exemplar,
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workers: config.Workers,
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name: config.Name,
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}
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queue.pool.qid = GetManager().Add(queue, ChannelQueueType, config, exemplar, queue.pool)
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return queue, nil
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}
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// Run starts to run the queue
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func (c *ChannelQueue) Run(atShutdown, atTerminate func(context.Context, func())) {
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atShutdown(context.Background(), func() {
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log.Warn("ChannelQueue: %s is not shutdownable!", c.name)
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})
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atTerminate(context.Background(), func() {
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log.Warn("ChannelQueue: %s is not terminatable!", c.name)
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})
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go func() {
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_ = c.pool.AddWorkers(c.workers, 0)
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}()
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}
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// Push will push data into the queue
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func (c *ChannelQueue) Push(data Data) error {
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if c.exemplar != nil {
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// Assert data is of same type as r.exemplar
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t := reflect.TypeOf(data)
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exemplarType := reflect.TypeOf(c.exemplar)
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if !t.AssignableTo(exemplarType) || data == nil {
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return fmt.Errorf("Unable to assign data: %v to same type as exemplar: %v in queue: %s", data, c.exemplar, c.name)
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}
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}
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c.pool.Push(data)
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return nil
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}
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// Name returns the name of this queue
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func (c *ChannelQueue) Name() string {
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return c.name
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}
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func init() {
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queuesMap[ChannelQueueType] = NewChannelQueue
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}
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