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(fix): Clear unique lock when task is deleted via Inspector

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This commit is contained in:
Ken Hibino 2021-06-09 06:06:43 -07:00
parent 6cce31a134
commit 68dd6d9a9d
6 changed files with 111 additions and 30 deletions
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14
internal/asynqtest/asynqtest.go
View File

@ -287,10 +287,17 @@ func seedRedisList(tb testing.TB, c redis.UniversalClient, key string,
"state": state.String(),
"timeout": msg.Timeout,
"deadline": msg.Deadline,
"unique_key": msg.UniqueKey,
}
if err := c.HSet(key, data).Err(); err != nil {
tb.Fatal(err)
}
if len(msg.UniqueKey) > 0 {
err := c.SetNX(msg.UniqueKey, msg.ID.String(), 1*time.Minute).Err()
if err != nil {
tb.Fatalf("Failed to set unique lock in redis: %v", err)
}
}
}
}
@ -310,10 +317,17 @@ func seedRedisZSet(tb testing.TB, c redis.UniversalClient, key string,
"state": state.String(),
"timeout": msg.Timeout,
"deadline": msg.Deadline,
"unique_key": msg.UniqueKey,
}
if err := c.HSet(key, data).Err(); err != nil {
tb.Fatal(err)
}
if len(msg.UniqueKey) > 0 {
err := c.SetNX(msg.UniqueKey, msg.ID.String(), 1*time.Minute).Err()
if err != nil {
tb.Fatalf("Failed to set unique lock in redis: %v", err)
}
}
}
}

1
internal/base/base.go
View File

@ -170,6 +170,7 @@ func SchedulerHistoryKey(entryID string) string {
}
// UniqueKey returns a redis key with the given type, payload, and queue name.
// FIXME: We probably need to generate a hash of payload to make this key unique
func UniqueKey(qname, tasktype string, payload []byte) string {
return fmt.Sprintf("%sunique:%s:%s", QueueKeyPrefix(qname), tasktype, string(payload))
}

15
internal/rdb/inspect.go
View File

@ -509,7 +509,7 @@ func (r *RDB) ListArchived(qname string, pgn Pagination) ([]base.Z, error) {
if !r.client.SIsMember(base.AllQueues, qname).Val() {
return nil, errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
}
res, err := r.listZSetEntries(base.ArchivedKey(qname), qname, pgn)
zs, err := r.listZSetEntries(base.ArchivedKey(qname), qname, pgn)
if err != nil {
return nil, errors.E(op, errors.CanonicalCode(err), err)
}
@ -719,7 +719,7 @@ func (r *RDB) runAll(zset, qname string) (int64, error) {
}
res, err := runAllCmd.Run(r.client, keys, argv...).Result()
if err != nil {
return err
return 0, err
}
n, ok := res.(int64)
if !ok {
@ -994,6 +994,10 @@ else
return redis.error_reply("task is not found in zset: " .. tostring(state))
end
end
local unique_key = redis.call("HGET", KEYS[1], "unique_key")
if unique_key ~= nil and unique_key ~= "" and redis.call("GET", unique_key) == ARGV[1] then
redis.call("DEL", unique_key)
end
return redis.call("DEL", KEYS[1])
`)
@ -1089,7 +1093,12 @@ func (r *RDB) DeleteAllScheduledTasks(qname string) (int64, error) {
var deleteAllCmd = redis.NewScript(`
local ids = redis.call("ZRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("DEL", ARGV[1] .. id)
local task_key = ARGV[1] .. id
local unique_key = redis.call("HGET", task_key, "unique_key")
if unique_key ~= nil and unique_key ~= "" and redis.call("GET", unique_key) == id then
redis.call("DEL", unique_key)
end
redis.call("DEL", task_key)
end
redis.call("DEL", KEYS[1])
return table.getn(ids)`)

73
internal/rdb/inspect_test.go
View File

@ -5,6 +5,7 @@
package rdb
import (
"encoding/json"
"fmt"
"testing"
"time"
@ -3117,6 +3118,62 @@ func TestDeletePendingTask(t *testing.T) {
}
}
func TestDeleteTaskWithUniqueLock(t *testing.T) {
r := setup(t)
defer r.Close()
m1 := &base.TaskMessage{
ID: uuid.New(),
Type: "email",
Payload: h.JSON(map[string]interface{}{"user_id": json.Number("123")}),
Queue: base.DefaultQueueName,
UniqueKey: base.UniqueKey(base.DefaultQueueName, "email", h.JSON(map[string]interface{}{"user_id": 123})),
}
t1 := time.Now().Add(3 * time.Hour)
tests := []struct {
scheduled map[string][]base.Z
qname string
id uuid.UUID
uniqueKey string
wantScheduled map[string][]*base.TaskMessage
}{
{
scheduled: map[string][]base.Z{
"default": {
{Message: m1, Score: t1.Unix()},
},
},
qname: "default",
id: m1.ID,
uniqueKey: m1.UniqueKey,
wantScheduled: map[string][]*base.TaskMessage{
"default": {},
},
},
}
for _, tc := range tests {
h.FlushDB(t, r.client) // clean up db before each test case
h.SeedAllScheduledQueues(t, r.client, tc.scheduled)
if got := r.DeleteTask(tc.qname, tc.id); got != nil {
t.Errorf("r.DeleteTask(%q, %v) returned error: %v", tc.qname, tc.id, got)
continue
}
for qname, want := range tc.wantScheduled {
gotScheduled := h.GetScheduledMessages(t, r.client, qname)
if diff := cmp.Diff(want, gotScheduled, h.SortMsgOpt); diff != "" {
t.Errorf("mismatch found in %q; (-want, +got)\n%s", base.ScheduledKey(qname), diff)
}
}
if r.client.Exists(tc.uniqueKey).Val() != 0 {
t.Errorf("Uniqueness lock %q still exists", tc.uniqueKey)
}
}
}
func TestDeleteTaskError(t *testing.T) {
r := setup(t)
defer r.Close()
@ -3305,6 +3362,7 @@ func TestDeleteAllArchivedTasksWithUniqueKey(t *testing.T) {
archived map[string][]base.Z
qname string
want int64
uniqueKeys []string // list of unique keys that should be cleared
wantArchived map[string][]*base.TaskMessage
}{
{
@ -3317,6 +3375,7 @@ func TestDeleteAllArchivedTasksWithUniqueKey(t *testing.T) {
},
qname: "default",
want: 3,
uniqueKeys: []string{m1.UniqueKey, m2.UniqueKey},
wantArchived: map[string][]*base.TaskMessage{
"default": {},
},
@ -3326,18 +3385,6 @@ func TestDeleteAllArchivedTasksWithUniqueKey(t *testing.T) {
for _, tc := range tests {
h.FlushDB(t, r.client) // clean up db before each test case
h.SeedAllArchivedQueues(t, r.client, tc.archived)
var uniqueKeys []string // list of unique keys set in redis
for _, zs := range tc.archived {
for _, z := range zs {
if len(z.Message.UniqueKey) > 0 {
err := r.client.SetNX(z.Message.UniqueKey, z.Message.ID.String(), time.Minute).Err()
if err != nil {
t.Fatalf("Failed to set unique lock in redis: %v", err)
}
uniqueKeys = append(uniqueKeys, z.Message.UniqueKey)
}
}
}
got, err := r.DeleteAllArchivedTasks(tc.qname)
if err != nil {
@ -3353,7 +3400,7 @@ func TestDeleteAllArchivedTasksWithUniqueKey(t *testing.T) {
}
}
for _, uniqueKey := range uniqueKeys {
for _, uniqueKey := range tc.uniqueKeys {
if r.client.Exists(uniqueKey).Val() != 0 {
t.Errorf("Uniqueness lock %q still exists", uniqueKey)
}

6
internal/rdb/rdb.go
View File

@ -114,7 +114,8 @@ redis.call("HSET", KEYS[2],
"msg", ARGV[3],
"state", "pending",
"timeout", ARGV[4],
"deadline", ARGV[5])
"deadline", ARGV[5],
"unique_key", KEYS[1])
redis.call("LPUSH", KEYS[3], ARGV[1])
return 1
`)
@ -407,7 +408,8 @@ redis.call("HSET", KEYS[2],
"msg", ARGV[4],
"state", "scheduled",
"timeout", ARGV[5],
"deadline", ARGV[6])
"deadline", ARGV[6],
"unique_key", KEYS[1])
redis.call("ZADD", KEYS[3], ARGV[3], ARGV[1])
return 1
`)

12
internal/rdb/rdb_test.go
View File

@ -191,7 +191,11 @@ func TestEnqueueUnique(t *testing.T) {
}
deadline := r.client.HGet(taskKey, "deadline").Val() // "deadline" field
if want := strconv.Itoa(int(tc.msg.Deadline)); deadline != want {
t.Errorf("deadline field under task-ke is set to %v, want %v", deadline, want)
t.Errorf("deadline field under task-key is set to %v, want %v", deadline, want)
}
uniqueKey := r.client.HGet(taskKey, "unique_key").Val() // "unique_key" field
if uniqueKey != tc.msg.UniqueKey {
t.Errorf("uniqueue_key field under task key is set to %q, want %q", uniqueKey, tc.msg.UniqueKey)
}
// Check queue is in the AllQueues set.
@ -1008,7 +1012,11 @@ func TestScheduleUnique(t *testing.T) {
}
deadline := r.client.HGet(taskKey, "deadline").Val() // "deadline" field
if want := strconv.Itoa(int(tc.msg.Deadline)); deadline != want {
t.Errorf("deadline field under task-ke is set to %v, want %v", deadline, want)
t.Errorf("deadline field under task-key is set to %v, want %v", deadline, want)
}
uniqueKey := r.client.HGet(taskKey, "unique_key").Val() // "unique_key" field
if uniqueKey != tc.msg.UniqueKey {
t.Errorf("uniqueue_key field under task key is set to %q, want %q", uniqueKey, tc.msg.UniqueKey)
}
// Check queue is in the AllQueues set.