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Graceful Queues: Issue Indexing and Tasks (#9363)

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* 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 1f83b4fc9b9dabda186257b38c265fe7012f90df.

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>
This commit is contained in:
zeripath 2020-01-07 11:23:09 +00:00 • committed by Antoine GIRARD
parent f71e1c8e79
commit 62eb1b0f25
35 changed files with 2875 additions and 647 deletions
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159
modules/setting/queue.go Normal file
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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package setting
import (
"fmt"
"path"
"strconv"
"strings"
"time"
"code.gitea.io/gitea/modules/log"
)
// QueueSettings represent the settings for a queue from the ini
type QueueSettings struct {
DataDir string
Length int
BatchLength int
ConnectionString string
Type string
Network string
Addresses string
Password string
QueueName string
DBIndex int
WrapIfNecessary bool
MaxAttempts int
Timeout time.Duration
Workers int
MaxWorkers int
BlockTimeout time.Duration
BoostTimeout time.Duration
BoostWorkers int
}
// Queue settings
var Queue = QueueSettings{}
// GetQueueSettings returns the queue settings for the appropriately named queue
func GetQueueSettings(name string) QueueSettings {
q := QueueSettings{}
sec := Cfg.Section("queue." + name)
// DataDir is not directly inheritable
q.DataDir = path.Join(Queue.DataDir, name)
// QueueName is not directly inheritable either
q.QueueName = name + Queue.QueueName
for _, key := range sec.Keys() {
switch key.Name() {
case "DATADIR":
q.DataDir = key.MustString(q.DataDir)
case "QUEUE_NAME":
q.QueueName = key.MustString(q.QueueName)
}
}
if !path.IsAbs(q.DataDir) {
q.DataDir = path.Join(AppDataPath, q.DataDir)
}
sec.Key("DATADIR").SetValue(q.DataDir)
// The rest are...
q.Length = sec.Key("LENGTH").MustInt(Queue.Length)
q.BatchLength = sec.Key("BATCH_LENGTH").MustInt(Queue.BatchLength)
q.ConnectionString = sec.Key("CONN_STR").MustString(Queue.ConnectionString)
q.Type = sec.Key("TYPE").MustString(Queue.Type)
q.WrapIfNecessary = sec.Key("WRAP_IF_NECESSARY").MustBool(Queue.WrapIfNecessary)
q.MaxAttempts = sec.Key("MAX_ATTEMPTS").MustInt(Queue.MaxAttempts)
q.Timeout = sec.Key("TIMEOUT").MustDuration(Queue.Timeout)
q.Workers = sec.Key("WORKERS").MustInt(Queue.Workers)
q.MaxWorkers = sec.Key("MAX_WORKERS").MustInt(Queue.MaxWorkers)
q.BlockTimeout = sec.Key("BLOCK_TIMEOUT").MustDuration(Queue.BlockTimeout)
q.BoostTimeout = sec.Key("BOOST_TIMEOUT").MustDuration(Queue.BoostTimeout)
q.BoostWorkers = sec.Key("BOOST_WORKERS").MustInt(Queue.BoostWorkers)
q.Network, q.Addresses, q.Password, q.DBIndex, _ = ParseQueueConnStr(q.ConnectionString)
return q
}
// NewQueueService sets up the default settings for Queues
// This is exported for tests to be able to use the queue
func NewQueueService() {
sec := Cfg.Section("queue")
Queue.DataDir = sec.Key("DATADIR").MustString("queues/")
if !path.IsAbs(Queue.DataDir) {
Queue.DataDir = path.Join(AppDataPath, Queue.DataDir)
}
Queue.Length = sec.Key("LENGTH").MustInt(20)
Queue.BatchLength = sec.Key("BATCH_LENGTH").MustInt(20)
Queue.ConnectionString = sec.Key("CONN_STR").MustString(path.Join(AppDataPath, ""))
Queue.Type = sec.Key("TYPE").MustString("")
Queue.Network, Queue.Addresses, Queue.Password, Queue.DBIndex, _ = ParseQueueConnStr(Queue.ConnectionString)
Queue.WrapIfNecessary = sec.Key("WRAP_IF_NECESSARY").MustBool(true)
Queue.MaxAttempts = sec.Key("MAX_ATTEMPTS").MustInt(10)
Queue.Timeout = sec.Key("TIMEOUT").MustDuration(GracefulHammerTime + 30*time.Second)
Queue.Workers = sec.Key("WORKERS").MustInt(1)
Queue.MaxWorkers = sec.Key("MAX_WORKERS").MustInt(10)
Queue.BlockTimeout = sec.Key("BLOCK_TIMEOUT").MustDuration(1 * time.Second)
Queue.BoostTimeout = sec.Key("BOOST_TIMEOUT").MustDuration(5 * time.Minute)
Queue.BoostWorkers = sec.Key("BOOST_WORKERS").MustInt(5)
Queue.QueueName = sec.Key("QUEUE_NAME").MustString("_queue")
// Now handle the old issue_indexer configuration
section := Cfg.Section("queue.issue_indexer")
issueIndexerSectionMap := map[string]string{}
for _, key := range section.Keys() {
issueIndexerSectionMap[key.Name()] = key.Value()
}
if _, ok := issueIndexerSectionMap["TYPE"]; !ok {
switch Indexer.IssueQueueType {
case LevelQueueType:
section.Key("TYPE").SetValue("level")
case ChannelQueueType:
section.Key("TYPE").SetValue("persistable-channel")
case RedisQueueType:
section.Key("TYPE").SetValue("redis")
default:
log.Fatal("Unsupported indexer queue type: %v",
Indexer.IssueQueueType)
}
}
if _, ok := issueIndexerSectionMap["LENGTH"]; !ok {
section.Key("LENGTH").SetValue(fmt.Sprintf("%d", Indexer.UpdateQueueLength))
}
if _, ok := issueIndexerSectionMap["BATCH_LENGTH"]; !ok {
section.Key("BATCH_LENGTH").SetValue(fmt.Sprintf("%d", Indexer.IssueQueueBatchNumber))
}
if _, ok := issueIndexerSectionMap["DATADIR"]; !ok {
section.Key("DATADIR").SetValue(Indexer.IssueQueueDir)
}
if _, ok := issueIndexerSectionMap["CONN_STR"]; !ok {
section.Key("CONN_STR").SetValue(Indexer.IssueQueueConnStr)
}
}
// ParseQueueConnStr parses a queue connection string
func ParseQueueConnStr(connStr string) (network, addrs, password string, dbIdx int, err error) {
fields := strings.Fields(connStr)
for _, f := range fields {
items := strings.SplitN(f, "=", 2)
if len(items) < 2 {
continue
}
switch strings.ToLower(items[0]) {
case "network":
network = items[1]
case "addrs":
addrs = items[1]
case "password":
password = items[1]
case "db":
dbIdx, err = strconv.Atoi(items[1])
if err != nil {
return
}
}
}
return
}