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mirror of https://github.com/hibiken/asynq.git synced 2024-11-10 11:31:58 +08:00

Fix lua scripts for redis cluster

This commit is contained in:
Ken Hibino 2021-05-22 17:46:23 -07:00
parent 8922d2423a
commit 68839dc9d3

View File

@ -615,32 +615,26 @@ func (r *RDB) RunAllArchivedTasks(qname string) (int64, error) {
// Input:
// KEYS[1] -> asynq:{<qname>}:t:<task_id>
// KEYS[2] -> asynq:{<qname>}:pending
// KEYS[3] -> all queues key
// --
// ARGV[1] -> task ID
// ARGV[2] -> queue key prefix; asynq:{<qname>}:
// ARGV[3] -> queue name
//
// Output:
// Numeric code indicating the status:
// Returns 1 if task is successfully updated.
// Returns 0 if task is not found.
// Returns -1 if queue doesn't exist.
// Returns -2 if task is in active state.
// Returns -3 if task is in pending state.
// Returns -1 if task is in active state.
// Returns -2 if task is in pending state.
// Returns error reply if unexpected error occurs.
var runTaskCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[3], ARGV[3]) == 0 then
return -1
end
if redis.call("EXISTS", KEYS[1]) == 0 then
return 0
end
local state = redis.call("HGET", KEYS[1], "state")
if state == "active" then
return -2
return -1
elseif state == "pending" then
return -3
return -2
end
local n = redis.call("ZREM", ARGV[2] .. state, ARGV[1])
if n == 0 then
@ -659,15 +653,16 @@ return 1
// If a task is in active or pending state it returns non-nil error with Code FailedPrecondition.
func (r *RDB) RunTask(qname string, id uuid.UUID) error {
var op errors.Op = "rdb.RunTask"
if err := r.checkQueueExists(qname); err != nil {
return errors.E(op, errors.CanonicalCode(err), err)
}
keys := []string{
base.TaskKey(qname, id.String()),
base.PendingKey(qname),
base.AllQueues,
}
argv := []interface{}{
id.String(),
base.QueueKeyPrefix(qname),
qname,
}
res, err := runTaskCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -683,10 +678,8 @@ func (r *RDB) RunTask(qname string, id uuid.UUID) error {
case 0:
return errors.E(op, errors.NotFound, &errors.TaskNotFoundError{Queue: qname, ID: id.String()})
case -1:
return errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
case -2:
return errors.E(op, errors.FailedPrecondition, "task is already running")
case -3:
case -2:
return errors.E(op, errors.FailedPrecondition, "task is already in pending state")
default:
return errors.E(op, errors.Internal, fmt.Sprintf("unexpected return value from Lua script %d", n))
@ -699,18 +692,12 @@ func (r *RDB) RunTask(qname string, id uuid.UUID) error {
// Input:
// KEYS[1] -> zset which holds task ids (e.g. asynq:{<qname>}:scheduled)
// KEYS[2] -> asynq:{<qname>}:pending
// KEYS[3] -> all queues key
// --
// ARGV[1] -> task key prefix
// ARGV[2] -> queue name
//
// Output:
// integer: number of tasks updated to pending state.
// Returns -1 if queue doesn't exist
var runAllCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[3], ARGV[2]) == 0 then
return -1
end
local ids = redis.call("ZRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("LPUSH", KEYS[2], id)
@ -720,14 +707,15 @@ redis.call("DEL", KEYS[1])
return table.getn(ids)`)
func (r *RDB) runAll(zset, qname string) (int64, error) {
if err := r.checkQueueExists(qname); err != nil {
return 0, err
}
keys := []string{
zset,
base.PendingKey(qname),
base.AllQueues,
}
argv := []interface{}{
base.TaskKeyPrefix(qname),
qname,
}
res, err := runAllCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -779,21 +767,15 @@ func (r *RDB) ArchiveAllScheduledTasks(qname string) (int64, error) {
// Input:
// KEYS[1] -> asynq:{<qname>}:pending
// KEYS[2] -> asynq:{<qname>}:archived
// KEYS[3] -> all queues key
// --
// ARGV[1] -> current timestamp
// ARGV[2] -> cutoff timestamp (e.g., 90 days ago)
// ARGV[3] -> max number of tasks in archive (e.g., 100)
// ARGV[4] -> task key prefix (asynq:{<qname>}:t:)
// ARGV[5] -> queue name
//
// Output:
// integer: Number of tasks archived
// Returns -1 if queue doesn't exist
var archiveAllPendingCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[3], ARGV[5]) == 0 then
return -1
end
local ids = redis.call("LRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("ZADD", KEYS[2], ARGV[1], id)
@ -809,10 +791,12 @@ return table.getn(ids)`)
// If a queue with the given name doesn't exist, it returns QueueNotFoundError.
func (r *RDB) ArchiveAllPendingTasks(qname string) (int64, error) {
var op errors.Op = "rdb.ArchiveAllPendingTasks"
if err := r.checkQueueExists(qname); err != nil {
return 0, errors.E(op, errors.CanonicalCode(err), err)
}
keys := []string{
base.PendingKey(qname),
base.ArchivedKey(qname),
base.AllQueues,
}
now := time.Now()
argv := []interface{}{
@ -820,7 +804,6 @@ func (r *RDB) ArchiveAllPendingTasks(qname string) (int64, error) {
now.AddDate(0, 0, -archivedExpirationInDays).Unix(),
maxArchiveSize,
base.TaskKeyPrefix(qname),
qname,
}
res, err := archiveAllPendingCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -830,9 +813,6 @@ func (r *RDB) ArchiveAllPendingTasks(qname string) (int64, error) {
if !ok {
return 0, errors.E(op, errors.Internal, fmt.Sprintf("unexpected return value from script %v", res))
}
if n == -1 {
return 0, errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
}
return n, nil
}
@ -841,14 +821,12 @@ func (r *RDB) ArchiveAllPendingTasks(qname string) (int64, error) {
// Input:
// KEYS[1] -> task key (asynq:{<qname>}:t:<task_id>)
// KEYS[2] -> archived key (asynq:{<qname>}:archived)
// KEYS[3] -> all queues key
// --
// ARGV[1] -> id of the task to archive
// ARGV[2] -> current timestamp
// ARGV[3] -> cutoff timestamp (e.g., 90 days ago)
// ARGV[4] -> max number of tasks in archived state (e.g., 100)
// ARGV[5] -> queue key prefix (asynq:{<qname>}:)
// ARGV[6] -> queue name
//
// Output:
// Numeric code indicating the status:
@ -856,12 +834,8 @@ func (r *RDB) ArchiveAllPendingTasks(qname string) (int64, error) {
// Returns 0 if task is not found.
// Returns -1 if task is already archived.
// Returns -2 if task is in active state.
// Returns -3 if queue doesn't exist.
// Returns error reply if unexpected error occurs.
var archiveTaskCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[3], ARGV[6]) == 0 then
return -3
end
if redis.call("EXISTS", KEYS[1]) == 0 then
return 0
end
@ -897,10 +871,12 @@ return 1
// If a task is in active state it returns non-nil error with FailedPrecondition code.
func (r *RDB) ArchiveTask(qname string, id uuid.UUID) error {
var op errors.Op = "rdb.ArchiveTask"
if err := r.checkQueueExists(qname); err != nil {
return errors.E(op, errors.CanonicalCode(err), err)
}
keys := []string{
base.TaskKey(qname, id.String()),
base.ArchivedKey(qname),
base.AllQueues,
}
now := time.Now()
argv := []interface{}{
@ -909,7 +885,6 @@ func (r *RDB) ArchiveTask(qname string, id uuid.UUID) error {
now.AddDate(0, 0, -archivedExpirationInDays).Unix(),
maxArchiveSize,
base.QueueKeyPrefix(qname),
qname,
}
res, err := archiveTaskCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -941,21 +916,15 @@ func (r *RDB) ArchiveTask(qname string, id uuid.UUID) error {
// Input:
// KEYS[1] -> ZSET to move task from (e.g., asynq:{<qname>}:retry)
// KEYS[2] -> asynq:{<qname>}:archived
// KEYS[3] -> all queues key
// --
// ARGV[1] -> current timestamp
// ARGV[2] -> cutoff timestamp (e.g., 90 days ago)
// ARGV[3] -> max number of tasks in archive (e.g., 100)
// ARGV[4] -> task key prefix (asynq:{<qname>}:t:)
// ARGV[5] -> queue name
//
// Output:
// integer: number of tasks archived
// Returns -1 if queue doesn't exist
var archiveAllCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[3], ARGV[5]) == 0 then
return -1
end
local ids = redis.call("ZRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("ZADD", KEYS[2], ARGV[1], id)
@ -967,6 +936,9 @@ redis.call("DEL", KEYS[1])
return table.getn(ids)`)
func (r *RDB) archiveAll(src, dst, qname string) (int64, error) {
if err := r.checkQueueExists(qname); err != nil {
return 0, err
}
keys := []string{
src,
dst,
@ -996,27 +968,22 @@ func (r *RDB) archiveAll(src, dst, qname string) (int64, error) {
// Input:
// KEYS[1] -> asynq:{<qname>}:t:<task_id>
// KEYS[2] -> all queues key
// --
// ARGV[1] -> task ID
// ARGV[2] -> queue key prefix
// ARGV[3] -> queue name
//
// Output:
// Numeric code indicating the status:
// Returns 1 if task is successfully deleted.
// Returns 0 if task is not found.
// Returns -1 if queue doesn't exist.
// Returns -2 if task is in active state.
// Returns -1 if task is in active state.
var deleteTaskCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[2], ARGV[3]) == 0 then
return -1
end
if redis.call("EXISTS", KEYS[1]) == 0 then
return 0
end
local state = redis.call("HGET", KEYS[1], "state")
if state == "active" then
return -2
return -1
end
if state == "pending" then
if redis.call("LREM", ARGV[2] .. state, 0, ARGV[1]) == 0 then
@ -1038,14 +1005,15 @@ return redis.call("DEL", KEYS[1])
// If a task is in active state it returns non-nil error with Code FailedPrecondition.
func (r *RDB) DeleteTask(qname string, id uuid.UUID) error {
var op errors.Op = "rdb.DeleteTask"
if err := r.checkQueueExists(qname); err != nil {
return errors.E(op, errors.CanonicalCode(err), err)
}
keys := []string{
base.TaskKey(qname, id.String()),
base.AllQueues,
}
argv := []interface{}{
id.String(),
base.QueueKeyPrefix(qname),
qname,
}
res, err := deleteTaskCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -1061,8 +1029,6 @@ func (r *RDB) DeleteTask(qname string, id uuid.UUID) error {
case 0:
return errors.E(op, errors.NotFound, &errors.TaskNotFoundError{Queue: qname, ID: id.String()})
case -1:
return errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
case -2:
return errors.E(op, errors.FailedPrecondition, "cannot delete task in active state. use CancelTask instead.")
default:
return errors.E(op, errors.Internal, fmt.Sprintf("unexpected return value from deleteTaskCmd script: %d", n))
@ -1115,18 +1081,12 @@ func (r *RDB) DeleteAllScheduledTasks(qname string) (int64, error) {
//
// Input:
// KEYS[1] -> zset holding the task ids.
// KEYS[2] -> all queues key
// --
// ARGV[1] -> task key prefix
// ARGV[2] -> queue name
//
// Output:
// integer: number of tasks deleted
// Returns -1 if queue doesn't exist
var deleteAllCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[2], ARGV[2]) == 0 then
return -1
end
local ids = redis.call("ZRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("DEL", ARGV[1] .. id)
@ -1135,6 +1095,9 @@ redis.call("DEL", KEYS[1])
return table.getn(ids)`)
func (r *RDB) deleteAll(key, qname string) (int64, error) {
if err := r.checkQueueExists(qname); err != nil {
return 0, err
}
keys := []string{
key,
base.AllQueues,
@ -1151,9 +1114,6 @@ func (r *RDB) deleteAll(key, qname string) (int64, error) {
if !ok {
return 0, fmt.Errorf("unexpected return value from Lua script: %v", res)
}
if n == -1 {
return 0, &errors.QueueNotFoundError{Queue: qname}
}
return n, nil
}
@ -1161,18 +1121,12 @@ func (r *RDB) deleteAll(key, qname string) (int64, error) {
//
// Input:
// KEYS[1] -> asynq:{<qname>}:pending
// KEYS[2] -> all queues key
// --
// ARGV[1] -> task key prefix
// ARGV[2] -> queue name
//
// Output:
// integer: number of tasks deleted
// Returns -1 if queue doesn't exist
var deleteAllPendingCmd = redis.NewScript(`
if redis.call("SISMEMBER", KEYS[2], ARGV[2]) == 0 then
return -1
end
local ids = redis.call("LRANGE", KEYS[1], 0, -1)
for _, id in ipairs(ids) do
redis.call("DEL", ARGV[1] .. id)
@ -1184,13 +1138,14 @@ return table.getn(ids)`)
// and returns the number of tasks deleted.
func (r *RDB) DeleteAllPendingTasks(qname string) (int64, error) {
var op errors.Op = "rdb.DeleteAllPendingTasks"
if err := r.checkQueueExists(qname); err != nil {
return 0, errors.E(op, errors.CanonicalCode(err), err)
}
keys := []string{
base.PendingKey(qname),
base.AllQueues,
}
argv := []interface{}{
base.TaskKeyPrefix(qname),
qname,
}
res, err := deleteAllPendingCmd.Run(r.client, keys, argv...).Result()
if err != nil {
@ -1200,9 +1155,6 @@ func (r *RDB) DeleteAllPendingTasks(qname string) (int64, error) {
if !ok {
return 0, errors.E(op, errors.Internal, "command error: unexpected return value %v", res)
}
if n == -1 {
return 0, errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
}
return n, nil
}