mirror of
https://github.com/hibiken/asynqmon.git
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205 lines
9.0 KiB
Go
205 lines
9.0 KiB
Go
package main
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import (
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"crypto/tls"
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"embed"
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"errors"
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"flag"
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"fmt"
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"io/fs"
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"log"
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"net/http"
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"path/filepath"
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"time"
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"github.com/go-redis/redis/v8"
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"github.com/gorilla/mux"
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"github.com/hibiken/asynq"
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"github.com/hibiken/asynq/inspeq"
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"github.com/rs/cors"
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)
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// Command-line flags
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var (
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flagPort int
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flagRedisAddr string
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flagRedisDB int
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flagRedisPassword string
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flagRedisTLS string
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)
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func init() {
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flag.IntVar(&flagPort, "port", 8080, "port number to use for web ui server")
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flag.StringVar(&flagRedisAddr, "redis_addr", "127.0.0.1:6379", "address of redis server to connect to")
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flag.IntVar(&flagRedisDB, "redis_db", 0, "redis database number")
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flag.StringVar(&flagRedisPassword, "redis_password", "", "password to use when connecting to redis server")
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flag.StringVar(&flagRedisTLS, "redis_tls", "", "server name for TLS validation used when connecting to redis server")
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}
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// staticFileServer implements the http.Handler interface, so we can use it
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// to respond to HTTP requests. The path to the static directory and
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// path to the index file within that static directory are used to
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// serve the SPA in the given static directory.
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type staticFileServer struct {
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contents embed.FS
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staticDirPath string
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indexFileName string
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}
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// ServeHTTP inspects the URL path to locate a file within the static dir
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// on the SPA handler.
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// If path '/' is requested, it will serve the index file, otherwise it will
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// serve the file specified by the URL path.
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func (srv *staticFileServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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// Get the absolute path to prevent directory traversal.
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path, err := filepath.Abs(r.URL.Path)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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if path == "/" {
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path = srv.indexFilePath()
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} else {
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path = filepath.Join(srv.staticDirPath, path)
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}
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bytes, err := srv.contents.ReadFile(path)
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// If path is error (e.g. file not exist, path is a directory), serve index file.
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var pathErr *fs.PathError
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if errors.As(err, &pathErr) {
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bytes, err = srv.contents.ReadFile(srv.indexFilePath())
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}
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if _, err := w.Write(bytes); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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func (srv *staticFileServer) indexFilePath() string {
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return filepath.Join(srv.staticDirPath, srv.indexFileName)
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}
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//go:embed ui/build/*
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var staticContents embed.FS
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func main() {
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flag.Parse()
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var tlsConfig *tls.Config
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if flagRedisTLS != "" {
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tlsConfig = &tls.Config{ServerName: flagRedisTLS}
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}
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inspector := inspeq.New(asynq.RedisClientOpt{
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Addr: flagRedisAddr,
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DB: flagRedisDB,
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Password: flagRedisPassword,
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TLSConfig: tlsConfig,
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})
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defer inspector.Close()
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rdb := redis.NewClient(&redis.Options{
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Addr: flagRedisAddr,
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DB: flagRedisDB,
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Password: flagRedisPassword,
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TLSConfig: tlsConfig,
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})
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defer rdb.Close()
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router := mux.NewRouter()
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router.Use(loggingMiddleware)
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api := router.PathPrefix("/api").Subrouter()
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// Queue endpoints.
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api.HandleFunc("/queues", newListQueuesHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}", newGetQueueHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}", newDeleteQueueHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}:pause", newPauseQueueHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}:resume", newResumeQueueHandlerFunc(inspector)).Methods("POST")
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// Queue Historical Stats endpoint.
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api.HandleFunc("/queue_stats", newListQueueStatsHandlerFunc(inspector)).Methods("GET")
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// Task endpoints.
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api.HandleFunc("/queues/{qname}/active_tasks", newListActiveTasksHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}/active_tasks/{task_id}:cancel", newCancelActiveTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/active_tasks:cancel_all", newCancelAllActiveTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/active_tasks:batch_cancel", newBatchCancelActiveTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/pending_tasks", newListPendingTasksHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}/pending_tasks/{task_key}", newDeleteTaskHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/pending_tasks:delete_all", newDeleteAllPendingTasksHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/pending_tasks:batch_delete", newBatchDeleteTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/pending_tasks/{task_key}:archive", newArchiveTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/pending_tasks:archive_all", newArchiveAllPendingTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/pending_tasks:batch_archive", newBatchArchiveTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks", newListScheduledTasksHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}/scheduled_tasks/{task_key}", newDeleteTaskHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:delete_all", newDeleteAllScheduledTasksHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:batch_delete", newBatchDeleteTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks/{task_key}:run", newRunTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:run_all", newRunAllScheduledTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:batch_run", newBatchRunTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks/{task_key}:archive", newArchiveTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:archive_all", newArchiveAllScheduledTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/scheduled_tasks:batch_archive", newBatchArchiveTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks", newListRetryTasksHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}/retry_tasks/{task_key}", newDeleteTaskHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/retry_tasks:delete_all", newDeleteAllRetryTasksHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/retry_tasks:batch_delete", newBatchDeleteTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks/{task_key}:run", newRunTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks:run_all", newRunAllRetryTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks:batch_run", newBatchRunTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks/{task_key}:archive", newArchiveTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks:archive_all", newArchiveAllRetryTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/retry_tasks:batch_archive", newBatchArchiveTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/archived_tasks", newListArchivedTasksHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/queues/{qname}/archived_tasks/{task_key}", newDeleteTaskHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/archived_tasks:delete_all", newDeleteAllArchivedTasksHandlerFunc(inspector)).Methods("DELETE")
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api.HandleFunc("/queues/{qname}/archived_tasks:batch_delete", newBatchDeleteTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/archived_tasks/{task_key}:run", newRunTaskHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/archived_tasks:run_all", newRunAllArchivedTasksHandlerFunc(inspector)).Methods("POST")
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api.HandleFunc("/queues/{qname}/archived_tasks:batch_run", newBatchRunTasksHandlerFunc(inspector)).Methods("POST")
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// Servers endpoints.
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api.HandleFunc("/servers", newListServersHandlerFunc(inspector)).Methods("GET")
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// Scheduler Entry endpoints.
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api.HandleFunc("/scheduler_entries", newListSchedulerEntriesHandlerFunc(inspector)).Methods("GET")
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api.HandleFunc("/scheduler_entries/{entry_id}/enqueue_events", newListSchedulerEnqueueEventsHandlerFunc(inspector)).Methods("GET")
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// Redis info endpoint.
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api.HandleFunc("/redis_info", newRedisInfoHandlerFunc(rdb)).Methods("GET")
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fs := &staticFileServer{
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contents: staticContents,
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staticDirPath: "ui/build",
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indexFileName: "index.html",
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}
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router.PathPrefix("/").Handler(fs)
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c := cors.New(cors.Options{
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AllowedMethods: []string{"GET", "POST", "DELETE"},
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})
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handler := c.Handler(router)
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srv := &http.Server{
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Handler: handler,
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Addr: fmt.Sprintf(":%d", flagPort),
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WriteTimeout: 10 * time.Second,
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ReadTimeout: 10 * time.Second,
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}
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fmt.Printf("Asynq Monitoring WebUI server is listening on port %d\n", flagPort)
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log.Fatal(srv.ListenAndServe())
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}
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