Add kill and killall command to asynqmon

asynq.go

@@ -4,7 +4,6 @@ import "github.com/go-redis/redis/v7"
 
 /*
 TODOs:
-- [P0] asynqmon kill <taskID>, asynqmon killall <qname>
 - [P0] Pagination for `asynqmon ls` command
 - [P0] Show elapsed time for InProgress tasks (asynqmon ls inprogress)
 - [P0] Go docs + CONTRIBUTION.md + Github issue template + License comment

tools/asynqmon/cmd/kill.go

@@ -0,0 +1,66 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/go-redis/redis/v7"
+	"github.com/hibiken/asynq/internal/rdb"
+	"github.com/spf13/cobra"
+)
+
+// killCmd represents the kill command
+var killCmd = &cobra.Command{
+	Use:   "kill [task id]",
+	Short: "Sends a task to dead queue given an identifier",
+	Long: `Kill (asynqmon kill) will send a task to dead queue given an identifier.
+
+The command takes one argument which specifies the task to kill.
+The task should be in either scheduled or retry queue.
+Identifier for a task should be obtained by running "asynqmon ls" command.
+
+Example: asynqmon kill r:1575732274:bnogo8gt6toe23vhef0g`,
+	Args: cobra.ExactArgs(1),
+	Run:  kill,
+}
+
+func init() {
+	rootCmd.AddCommand(killCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// killCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// killCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+func kill(cmd *cobra.Command, args []string) {
+	id, score, qtype, err := parseQueryID(args[0])
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	r := rdb.NewRDB(redis.NewClient(&redis.Options{
+		Addr: uri,
+		DB:   db,
+	}))
+	switch qtype {
+	case "s":
+		err = r.KillScheduledTask(id, score)
+	case "r":
+		err = r.KillRetryTask(id, score)
+	default:
+		fmt.Println("invalid argument")
+		os.Exit(1)
+	}
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	fmt.Printf("Successfully killed %v\n", args[0])
+
+}

tools/asynqmon/cmd/killall.go

@@ -0,0 +1,64 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/go-redis/redis/v7"
+	"github.com/hibiken/asynq/internal/rdb"
+	"github.com/spf13/cobra"
+)
+
+var killallValidArgs = []string{"scheduled", "retry"}
+
+// killallCmd represents the killall command
+var killallCmd = &cobra.Command{
+	Use:   "killall [queue name]",
+	Short: "Sends all tasks to dead queue from the specified queue",
+	Long: `Killall (asynqmon killall) will moves all tasks from the specified queue to dead queue.
+
+The argument should be either "scheduled" or "retry".
+
+Example: asynqmon killall retry -> Moves all tasks from retry queue to dead queue`,
+	ValidArgs: killallValidArgs,
+	Args:      cobra.ExactValidArgs(1),
+	Run:       killall,
+}
+
+func init() {
+	rootCmd.AddCommand(killallCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// killallCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// killallCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+func killall(cmd *cobra.Command, args []string) {
+	c := redis.NewClient(&redis.Options{
+		Addr: uri,
+		DB:   db,
+	})
+	r := rdb.NewRDB(c)
+	var n int64
+	var err error
+	switch args[0] {
+	case "scheduled":
+		n, err = r.KillAllScheduledTasks()
+	case "retry":
+		n, err = r.KillAllRetryTasks()
+	default:
+		fmt.Printf("error: `asynqmon killall [queue name]` only accepts %v as the argument.\n", killallValidArgs)
+		os.Exit(1)
+	}
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	fmt.Printf("Sent %d tasks to \"dead\" queue from %q queue\n", n, args[0])
+}