89 lines
2.3 KiB
Lua
89 lines
2.3 KiB
Lua
--[[
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Retries a failed job by moving it back to the wait queue.
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Input:
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KEYS[1] 'active',
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KEYS[2] 'wait'
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KEYS[3] 'paused'
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KEYS[4] job key
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KEYS[5] 'meta'
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KEYS[6] events stream
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KEYS[7] delayed key
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KEYS[8] prioritized key
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KEYS[9] 'pc' priority counter
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KEYS[10] 'marker'
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KEYS[11] 'stalled'
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ARGV[1] key prefix
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ARGV[2] timestamp
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ARGV[3] pushCmd
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ARGV[4] jobId
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ARGV[5] token
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ARGV[6] optional job fields to update
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Events:
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'waiting'
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Output:
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0 - OK
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-1 - Missing key
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-2 - Missing lock
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-3 - Job not in active set
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]]
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local rcall = redis.call
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-- Includes
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--- @include "includes/addJobInTargetList"
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--- @include "includes/addJobWithPriority"
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--- @include "includes/getOrSetMaxEvents"
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--- @include "includes/getTargetQueueList"
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--- @include "includes/isQueuePausedOrMaxed"
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--- @include "includes/promoteDelayedJobs"
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--- @include "includes/removeLock"
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--- @include "includes/updateJobFields"
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local target, isPausedOrMaxed = getTargetQueueList(KEYS[5], KEYS[1], KEYS[2], KEYS[3])
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local markerKey = KEYS[10]
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-- Check if there are delayed jobs that we can move to wait.
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-- test example: when there are delayed jobs between retries
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promoteDelayedJobs(KEYS[7], markerKey, target, KEYS[8], KEYS[6], ARGV[1], ARGV[2], KEYS[9], isPausedOrMaxed)
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local jobKey = KEYS[4]
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if rcall("EXISTS", jobKey) == 1 then
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local errorCode = removeLock(jobKey, KEYS[11], ARGV[5], ARGV[4])
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if errorCode < 0 then
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return errorCode
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end
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updateJobFields(jobKey, ARGV[6])
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local numRemovedElements = rcall("LREM", KEYS[1], -1, ARGV[4])
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if (numRemovedElements < 1) then return -3 end
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local priority = tonumber(rcall("HGET", jobKey, "priority")) or 0
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--need to re-evaluate after removing job from active
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isPausedOrMaxed = isQueuePausedOrMaxed(KEYS[5], KEYS[1])
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-- Standard or priority add
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if priority == 0 then
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addJobInTargetList(target, markerKey, ARGV[3], isPausedOrMaxed, ARGV[4])
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else
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addJobWithPriority(markerKey, KEYS[8], priority, ARGV[4], KEYS[9], isPausedOrMaxed)
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end
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rcall("HINCRBY", jobKey, "atm", 1)
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local maxEvents = getOrSetMaxEvents(KEYS[5])
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-- Emit waiting event
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rcall("XADD", KEYS[6], "MAXLEN", "~", maxEvents, "*", "event", "waiting",
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"jobId", ARGV[4], "prev", "active")
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return 0
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else
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return -1
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end
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