From d98cd748d9df9d95d9d3e264c6397e88009376f7 Mon Sep 17 00:00:00 2001 From: Nam Huynh Date: Mon, 18 Oct 2021 14:16:42 +0700 Subject: [PATCH] init --- .gitignore | 2 + client.go | 20 +++++++ config.go | 20 +++++++ constant.go | 8 +++ go.mod | 5 ++ go.sum | 151 +++++++++++++++++++++++++++++++++++++++++++++++++++ scheduler.go | 36 ++++++++++++ task.go | 52 ++++++++++++++++++ worker.go | 55 +++++++++++++++++++ 9 files changed, 349 insertions(+) create mode 100644 client.go create mode 100644 config.go create mode 100644 constant.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 scheduler.go create mode 100644 task.go create mode 100644 worker.go diff --git a/.gitignore b/.gitignore index 66fd13c..bbfd2cb 100644 --- a/.gitignore +++ b/.gitignore @@ -13,3 +13,5 @@ # Dependency directories (remove the comment below to include it) # vendor/ + +.idea \ No newline at end of file diff --git a/client.go b/client.go new file mode 100644 index 0000000..bc108b1 --- /dev/null +++ b/client.go @@ -0,0 +1,20 @@ +package queue + +import "github.com/hibiken/asynq" + +// NewClient ... +func NewClient(cfg Config) *asynq.Client { + // Init redis connection + redisConn := asynq.RedisClientOpt{ + Addr: cfg.Redis.URL, + Password: cfg.Redis.Password, + DB: 0, + } + + // Init client + if client := asynq.NewClient(redisConn); client == nil { + panic("error when initializing queue CLIENT") + } else { + return client + } +} diff --git a/config.go b/config.go new file mode 100644 index 0000000..cd1fbf9 --- /dev/null +++ b/config.go @@ -0,0 +1,20 @@ +package queue + +// Config ... +type Config struct { + // For message queue + Redis struct { + URL string + Password string + } + // Priority to process task, eg: Critical 6, Default 3, Low 1 + // Using for server only + // https://github.com/hibiken/asynq/wiki/Queue-Priority + Concurrency int + Priority struct { + Critical int + Default int + Low int + StrictMode bool + } +} diff --git a/constant.go b/constant.go new file mode 100644 index 0000000..668c77d --- /dev/null +++ b/constant.go @@ -0,0 +1,8 @@ +package queue + +// Constant +const ( + priorityCritical = "critical" + priorityDefault = "default" + priorityLow = "low" +) diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..3adaa8b --- /dev/null +++ b/go.mod @@ -0,0 +1,5 @@ +module github.com/Selly-Modules/queue + +go 1.16 + +require github.com/hibiken/asynq v0.18.6 diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..5ba8627 --- /dev/null +++ b/go.sum @@ -0,0 +1,151 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= 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cfg.Redis.URL, + Password: cfg.Redis.Password, + DB: 0, + } + + // Always run at HCM timezone + l, _ := time.LoadLocation("Asia/Ho_Chi_Minh") + // Init scheduler + scheduler := asynq.NewScheduler(redisConn, &asynq.SchedulerOpts{ + Location: l, + }) + + // Run scheduler + go func() { + if err := scheduler.Run(); err != nil { + msg := fmt.Sprintf("error when initializing queue SCHEDULER: %s", err.Error()) + panic(msg) + } + }() + + // Return + return scheduler +} diff --git a/task.go b/task.go new file mode 100644 index 0000000..5190f41 --- /dev/null +++ b/task.go @@ -0,0 +1,52 @@ +package queue + +import ( + "encoding/json" + "errors" + "fmt" + + "github.com/hibiken/asynq" +) + +// RunTask ... +func RunTask(client *asynq.Client, typename string, data map[string]interface{}, retryTimes int) (*asynq.TaskInfo, error) { + // Convert to []byte + payload, err := json.Marshal(data) + if err != nil { + msg := fmt.Sprintf("task type: %s - error when create new task: %s", typename, err.Error()) + return nil, errors.New(msg) + } + + // Create task and options + task := asynq.NewTask(typename, payload) + options := make([]asynq.Option, 0) + + // Retry times + if retryTimes < 0 { + retryTimes = 0 + } + options = append(options, asynq.MaxRetry(retryTimes)) + + // Enqueue task + return client.Enqueue(task, options...) +} + +// ScheduledTask create new task and run at specific time +// cronSpec follow cron expression +// https://www.freeformatter.com/cron-expression-generator-quartz.html +func ScheduledTask(scheduler *asynq.Scheduler, typename string, data map[string]interface{}, cronSpec string) (string, error) { + // Convert to []byte + payload, err := json.Marshal(data) + if err != nil { + msg := fmt.Sprintf("task type: %s - error when create new task: %s", typename, err.Error()) + return "", errors.New(msg) + } + + // Create task and options + task := asynq.NewTask(typename, payload) + + // TODO: Support options later + // options := make([]asynq.Option, 0) + + return scheduler.Register(cronSpec, task) +} diff --git a/worker.go b/worker.go new file mode 100644 index 0000000..0a5b130 --- /dev/null +++ b/worker.go @@ -0,0 +1,55 @@ +package queue + +import ( + "fmt" + + "github.com/hibiken/asynq" +) + +// NewWorker ... +func NewWorker(cfg Config) *asynq.ServeMux { + // Init redis connection + redisConn := asynq.RedisClientOpt{ + Addr: cfg.Redis.URL, + Password: cfg.Redis.Password, + DB: 0, + } + + // Set default for concurrency + if cfg.Concurrency == 0 { + cfg.Concurrency = 100 + } + + // Set default for priority + if cfg.Priority.Critical == 0 || cfg.Priority.Default == 0 || cfg.Priority.Low == 0 { + cfg.Priority.Critical = 6 + cfg.Priority.Default = 3 + cfg.Priority.Low = 1 + cfg.Priority.StrictMode = false + } + + // Init worker + worker := asynq.NewServer(redisConn, asynq.Config{ + Concurrency: cfg.Concurrency, + Queues: map[string]int{ + priorityCritical: cfg.Priority.Critical, + priorityDefault: cfg.Priority.Default, + priorityLow: cfg.Priority.Low, + }, + StrictPriority: cfg.Priority.StrictMode, + }) + + // Init mux server + mux := asynq.NewServeMux() + + // Run server + go func() { + if err := worker.Run(mux); err != nil { + msg := fmt.Sprintf("error when initializing queue WORKER: %s", err.Error()) + panic(msg) + } + }() + + // Return + return mux +}