104 lines
2.8 KiB
JavaScript
104 lines
2.8 KiB
JavaScript
const content = `--[[
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Moves job from active to waiting children set.
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Input:
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KEYS[1] active key
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KEYS[2] wait-children key
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KEYS[3] job key
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KEYS[4] job dependencies key
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KEYS[5] job unsuccessful key
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KEYS[6] stalled key
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KEYS[7] events key
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ARGV[1] token
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ARGV[2] child key
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ARGV[3] timestamp
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ARGV[4] jobId
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ARGV[5] prefix
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Output:
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0 - OK
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1 - There are not pending dependencies.
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-1 - Missing job.
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-2 - Missing lock
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-3 - Job not in active set
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-9 - Job has failed children
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]]
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local rcall = redis.call
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local activeKey = KEYS[1]
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local waitingChildrenKey = KEYS[2]
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local jobKey = KEYS[3]
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local jobDependenciesKey = KEYS[4]
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local jobUnsuccessfulKey = KEYS[5]
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local stalledKey = KEYS[6]
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local eventStreamKey = KEYS[7]
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local token = ARGV[1]
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local timestamp = ARGV[3]
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local jobId = ARGV[4]
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--- Includes
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local function removeLock(jobKey, stalledKey, token, jobId)
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if token ~= "0" then
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local lockKey = jobKey .. ':lock'
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local lockToken = rcall("GET", lockKey)
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if lockToken == token then
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rcall("DEL", lockKey)
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rcall("SREM", stalledKey, jobId)
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else
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if lockToken then
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-- Lock exists but token does not match
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return -6
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else
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-- Lock is missing completely
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return -2
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end
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end
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end
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return 0
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end
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local function removeJobFromActive(activeKey, stalledKey, jobKey, jobId,
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token)
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local errorCode = removeLock(jobKey, stalledKey, token, jobId)
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if errorCode < 0 then
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return errorCode
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end
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local numRemovedElements = rcall("LREM", activeKey, -1, jobId)
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if numRemovedElements < 1 then
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return -3
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end
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return 0
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end
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local function moveToWaitingChildren(activeKey, waitingChildrenKey, stalledKey, eventStreamKey,
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jobKey, jobId, timestamp, token)
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local errorCode = removeJobFromActive(activeKey, stalledKey, jobKey, jobId, token)
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if errorCode < 0 then
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return errorCode
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end
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local score = tonumber(timestamp)
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rcall("ZADD", waitingChildrenKey, score, jobId)
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rcall("XADD", eventStreamKey, "*", "event", "waiting-children", "jobId", jobId, 'prev', 'active')
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return 0
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end
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if rcall("EXISTS", jobKey) == 1 then
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if rcall("ZCARD", jobUnsuccessfulKey) ~= 0 then
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return -9
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else
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if ARGV[2] ~= "" then
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if rcall("SISMEMBER", jobDependenciesKey, ARGV[2]) ~= 0 then
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return moveToWaitingChildren(activeKey, waitingChildrenKey, stalledKey, eventStreamKey,
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jobKey, jobId, timestamp, token)
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end
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return 1
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else
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if rcall("SCARD", jobDependenciesKey) ~= 0 then
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return moveToWaitingChildren(activeKey, waitingChildrenKey, stalledKey, eventStreamKey,
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jobKey, jobId, timestamp, token)
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end
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return 1
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end
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end
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end
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return -1
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`;
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export const moveToWaitingChildren = {
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name: 'moveToWaitingChildren',
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content,
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keys: 7,
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};
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//# sourceMappingURL=moveToWaitingChildren-7.js.map
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