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Morgan JSON log format example
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'use strict'; | |
var morgan = require('morgan'); | |
var os = require('os'); | |
morgan.token('conversation-id', function getConversationId(req) { | |
return req.conversationId; | |
}); | |
morgan.token('session-id', function getSessionId(req) { | |
return req.sessionId; | |
}); | |
morgan.token('instance-id', function getInstanceId(req) { | |
return req.instanceId; | |
}); | |
morgan.token('hostname', function getHostname() { | |
return os.hostname(); | |
}); | |
morgan.token('pid', function getPid() { | |
return process.pid; | |
}); | |
module.exports = function loggingMiddleware() { | |
return morgan(jsonFormat); | |
}; | |
function jsonFormat(tokens, req, res) { | |
return JSON.stringify({ | |
'remote-address': tokens['remote-addr'](req, res), | |
'time': tokens['date'](req, res, 'iso'), | |
'method': tokens['method'](req, res), | |
'url': tokens['url'](req, res), | |
'http-version': tokens['http-version'](req, res), | |
'status-code': tokens['status'](req, res), | |
'content-length': tokens['res'](req, res, 'content-length'), | |
'referrer': tokens['referrer'](req, res), | |
'user-agent': tokens['user-agent'](req, res), | |
'conversation-id': tokens['conversation-id'](req, res), | |
'session-id': tokens['session-id'](req, res), | |
'hostname': tokens['hostname'](req, res), | |
'instance': tokens['instance-id'](req, res), | |
'pid': tokens['pid'](req, res) | |
}); | |
} |
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