165 lines
6.0 KiB
JavaScript
165 lines
6.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.removeChildDependency = void 0;
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const content = `--[[
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Break parent-child dependency by removing
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child reference from parent
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Input:
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KEYS[1] 'key' prefix,
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ARGV[1] job key
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ARGV[2] parent key
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Output:
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0 - OK
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1 - There is not relationship.
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-1 - Missing job key
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-5 - Missing parent key
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]]
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local rcall = redis.call
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local jobKey = ARGV[1]
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local parentKey = ARGV[2]
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-- Includes
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--[[
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Check if this job has a parent. If so we will just remove it from
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the parent child list, but if it is the last child we should move the parent to "wait/paused"
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which requires code from "moveToFinished"
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]]
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-- Includes
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--[[
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Function to add job in target list and add marker if needed.
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]]
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-- Includes
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--[[
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Add marker if needed when a job is available.
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]]
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local function addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
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if not isPausedOrMaxed then
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rcall("ZADD", markerKey, 0, "0")
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end
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end
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local function addJobInTargetList(targetKey, markerKey, pushCmd, isPausedOrMaxed, jobId)
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rcall(pushCmd, targetKey, jobId)
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addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
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end
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--[[
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Functions to destructure job key.
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Just a bit of warning, these functions may be a bit slow and affect performance significantly.
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]]
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local getJobIdFromKey = function (jobKey)
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return string.match(jobKey, ".*:(.*)")
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end
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local getJobKeyPrefix = function (jobKey, jobId)
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return string.sub(jobKey, 0, #jobKey - #jobId)
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end
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--[[
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Function to check for the meta.paused key to decide if we are paused or not
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(since an empty list and !EXISTS are not really the same).
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]]
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local function getTargetQueueList(queueMetaKey, activeKey, waitKey, pausedKey)
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local queueAttributes = rcall("HMGET", queueMetaKey, "paused", "concurrency", "max", "duration")
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if queueAttributes[1] then
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return pausedKey, true, queueAttributes[3], queueAttributes[4]
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else
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if queueAttributes[2] then
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local activeCount = rcall("LLEN", activeKey)
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if activeCount >= tonumber(queueAttributes[2]) then
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return waitKey, true, queueAttributes[3], queueAttributes[4]
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else
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return waitKey, false, queueAttributes[3], queueAttributes[4]
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end
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end
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end
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return waitKey, false, queueAttributes[3], queueAttributes[4]
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end
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--[[
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Function to remove job keys.
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]]
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local function removeJobKeys(jobKey)
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return rcall("DEL", jobKey, jobKey .. ':logs', jobKey .. ':dependencies',
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jobKey .. ':processed', jobKey .. ':failed', jobKey .. ':unsuccessful')
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end
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local function _moveParentToWait(parentPrefix, parentId, emitEvent)
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local parentTarget, isPausedOrMaxed = getTargetQueueList(parentPrefix .. "meta", parentPrefix .. "active",
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parentPrefix .. "wait", parentPrefix .. "paused")
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addJobInTargetList(parentTarget, parentPrefix .. "marker", "RPUSH", isPausedOrMaxed, parentId)
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if emitEvent then
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local parentEventStream = parentPrefix .. "events"
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rcall("XADD", parentEventStream, "*", "event", "waiting", "jobId", parentId, "prev", "waiting-children")
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end
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end
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local function removeParentDependencyKey(jobKey, hard, parentKey, baseKey, debounceId)
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if parentKey then
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local parentDependenciesKey = parentKey .. ":dependencies"
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local result = rcall("SREM", parentDependenciesKey, jobKey)
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if result > 0 then
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local pendingDependencies = rcall("SCARD", parentDependenciesKey)
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if pendingDependencies == 0 then
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local parentId = getJobIdFromKey(parentKey)
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local parentPrefix = getJobKeyPrefix(parentKey, parentId)
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local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
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if numRemovedElements == 1 then
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if hard then -- remove parent in same queue
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if parentPrefix == baseKey then
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removeParentDependencyKey(parentKey, hard, nil, baseKey, nil)
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removeJobKeys(parentKey)
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if debounceId then
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rcall("DEL", parentPrefix .. "de:" .. debounceId)
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end
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else
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_moveParentToWait(parentPrefix, parentId)
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end
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else
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_moveParentToWait(parentPrefix, parentId, true)
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end
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end
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end
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return true
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end
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else
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local parentAttributes = rcall("HMGET", jobKey, "parentKey", "deid")
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local missedParentKey = parentAttributes[1]
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if( (type(missedParentKey) == "string") and missedParentKey ~= ""
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and (rcall("EXISTS", missedParentKey) == 1)) then
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local parentDependenciesKey = missedParentKey .. ":dependencies"
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local result = rcall("SREM", parentDependenciesKey, jobKey)
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if result > 0 then
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local pendingDependencies = rcall("SCARD", parentDependenciesKey)
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if pendingDependencies == 0 then
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local parentId = getJobIdFromKey(missedParentKey)
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local parentPrefix = getJobKeyPrefix(missedParentKey, parentId)
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local numRemovedElements = rcall("ZREM", parentPrefix .. "waiting-children", parentId)
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if numRemovedElements == 1 then
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if hard then
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if parentPrefix == baseKey then
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removeParentDependencyKey(missedParentKey, hard, nil, baseKey, nil)
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removeJobKeys(missedParentKey)
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if parentAttributes[2] then
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rcall("DEL", parentPrefix .. "de:" .. parentAttributes[2])
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end
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else
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_moveParentToWait(parentPrefix, parentId)
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end
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else
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_moveParentToWait(parentPrefix, parentId, true)
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end
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end
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end
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return true
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end
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end
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end
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return false
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end
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if rcall("EXISTS", jobKey) ~= 1 then return -1 end
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if rcall("EXISTS", parentKey) ~= 1 then return -5 end
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if removeParentDependencyKey(jobKey, false, parentKey, KEYS[1], nil) then
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rcall("HDEL", jobKey, "parentKey", "parent")
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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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exports.removeChildDependency = {
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name: 'removeChildDependency',
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content,
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keys: 1,
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};
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//# sourceMappingURL=removeChildDependency-1.js.map
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