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44 lines
No EOL
1.4 KiB
CoffeeScript
44 lines
No EOL
1.4 KiB
CoffeeScript
_ = require("underscore")
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module.exports =
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monitor: (mongodb_require_path, logger) ->
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Db = require("#{mongodb_require_path}/lib/mongodb/db").Db
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Metrics = require("./metrics")
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monitorMethod = (base, method, type) ->
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_method = base[method]
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base[method] = (db_command, options, callback) ->
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if (typeof callback == 'undefined')
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callback = options
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options = {}
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callback = () ->
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collection = db_command.collectionName
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if collection.match(/\$cmd$/)
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# Ignore noisy command methods like authenticating, ismaster and ping
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return _method.call this, db_command, options, callback
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key = "mongo-requests.#{collection}.#{type}"
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if db_command.query?
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query = Object.keys(db_command.query).sort().join("_")
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key += "." + query
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timer = new Metrics.Timer(key)
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start = new Date()
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_method.call this, db_command, options, () ->
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timer.done()
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time = new Date() - start
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logger.log
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query: db_command.query
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query_type: type
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collection: collection
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"response-time": new Date() - start
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"mongo request"
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callback.apply this, arguments
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monitorMethod(Db.prototype, "_executeQueryCommand", "query")
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monitorMethod(Db.prototype, "_executeRemoveCommand", "remove")
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monitorMethod(Db.prototype, "_executeInsertCommand", "insert")
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monitorMethod(Db.prototype, "_executeUpdateCommand", "update") |