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57 lines
1.5 KiB
CoffeeScript
57 lines
1.5 KiB
CoffeeScript
Connection = require("mongoose/node_modules/mongodb/lib/mongodb/connection/connection").Connection
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MongoReply = require("mongoose/node_modules/mongodb/lib/mongodb/responses/mongo_reply").MongoReply
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Metrics = require("../Metrics")
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logger = require "logger-sharelatex"
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_ = require("underscore")
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connectionMonitor =
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newConnection: (id, db) ->
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Metrics.inc "mongo-requests"
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@connections[id] =
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timer: new Metrics.Timer("mongo-request-times")
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db: db
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start: new Date()
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setTimeout (=> @connectionDone(id)), 60000
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connectionDone: (id) ->
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queryIsNoise = (query)->
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isNoise = false
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if query? && _.isObject(query)
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keys = _.keys(query)
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if keys[0] == "ismaster" or keys[0] == "ping"
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isNoise = true
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return isNoise
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logItOut = (db)->
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logger.log
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request_id: db.requestId,
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query: db.query,
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collection: db.collectionName,
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"response-time": new Date() - start
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"mongo request"
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if @connections[id]?
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@connections[id].timer.done()
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db = @connections[id].db
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start = @connections[id].start
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if !queryIsNoise(db.query)
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logItOut(db)
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delete @connections[id]
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connections: {}
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monkeyPatchMongo = () ->
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write = Connection::write
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Connection::write = (db) ->
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write.apply(this, arguments)
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connectionMonitor.newConnection db.requestId, db
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parseHeader = MongoReply::parseHeader
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MongoReply::parseHeader = () ->
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parseHeader.apply this, arguments
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connectionMonitor.connectionDone this.responseTo
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module.exports.monitor = monkeyPatchMongo
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