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mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00

Adding logging & metric recording configuration via settings

This commit is contained in:
hbeeken 2015-01-29 13:48:50 +00:00 committed by Nick O'Leary
parent a22f819f40
commit b052324d36
9 changed files with 75 additions and 13 deletions

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@ -17,17 +17,66 @@
var util = require("util");
var EventEmitter = require("events").EventEmitter;
var logLevel;
var metricsOn;
var levels = {
"fatal" : 10,
"error" : 20,
"warn" : 30,
"info" : 40,
"debug" : 50,
"trace" : 60
}
var logHandlers = [];
var ConsoleLogHandler = new EventEmitter();
ConsoleLogHandler.on("log",function(msg) {
if (msg.level !== 'metric') {
if ((msg.level === 'metric')) {
if (metricsOn) {
util.log("["+msg.level+"] ["+msg.event+":"+ msg.nodeid+":"+ msg.msguuid+"]"+metrics);
}
} else if (shouldReportMessage(msg.level)) {
util.log("["+msg.level+"] ["+msg.type+":"+(msg.name||msg.id)+"] "+msg.msg);
}
});
function shouldReportMessage(msglevel) {
if (((msglevel === 'fatal') && (logLevel === 10)) ||
((msglevel === 'error') && (logLevel >= 20)) ||
((msglevel === 'warn') && (logLevel >= 30)) ||
((msglevel === 'info') && (logLevel >= 40)) ||
((msglevel === 'debug') && (logLevel >= 50)) ||
((msglevel === 'trace') && (logLevel === 60))) {
return true;
}
return false;
}
var log = module.exports = {
init: function(settings) {
if (settings.logLevel) {
var levelNames = Object.keys(levels);
levelNames.forEach(function(levelName) {
if (levelName === settings.logLevel) {
logLevel =levels[levelName];
}
});
}
if (!logLevel) {
// handles case if someone has put in garbage for the log level
logLevel = 40;
}
if (settings.metricsOn) {
metricsOn = settings.metricsOn
} else {
metricsOn = false;
}
},
addHandler: function(func) {
logHandlers.push(func);
},

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@ -186,7 +186,7 @@ function log_helper(self, level, msg) {
}
Node.prototype.log = function(msg) {
log_helper(this, 'log', msg);
log_helper(this, 'info', msg);
};
Node.prototype.warn = function(msg) {

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@ -36,6 +36,7 @@ var RED = {
userSettings.version = this.version();
settings.init(userSettings);
server.init(httpServer,settings);
log.init(userSettings);
return server.app;
},

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@ -132,6 +132,18 @@ module.exports = {
// os:require('os'),
// bonescript:require('bonescript'),
// arduino:require('duino')
}
},
// Level of logging to be recorded. Options are:
// fatal - only those errors which make the application unusable should be recorded
// error - record errors which are deemed fatal for a particular request + fatal errors
// warn - record problems which are non fatal + errors + fatal errors
// info - record information about the general running of the application + warn + error + fatal errors
// debug - record information which is more verbose than info + info + warn + error + fatal errors
// trace - record very detailed logging + debug + info + warn + error + fatal errors
logLevel: "info",
// Whether metrics are reported
metricsOn: false
}

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@ -70,11 +70,11 @@ describe('debug node', function() {
try {
helper.log().called.should.be.true;
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].level == "log";
return evt[0].level == "info";
});
logEvents.should.have.length(1);
var tstmp = logEvents[0][0].timestamp;
logEvents[0][0].should.eql({level:'log',id:'n1',type:'debug',msg:'test', timestamp:tstmp});
logEvents[0][0].should.eql({level:'info',id:'n1',type:'debug',msg:'test', timestamp:tstmp});
done();
} catch(err) {

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@ -136,7 +136,7 @@ describe('html node', function() {
n1.receive({payload:null,topic: "bar"});
helper.log().called.should.be.true;
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].level == "log";
return evt[0].level == "info";
});
logEvents.should.have.length(1);
// Each logEvent is the array of args passed to the function.

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@ -82,7 +82,7 @@ describe('JSON node', function() {
jn1.receive({payload:'foo',topic: "bar"});
helper.log().called.should.be.true;
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].level == "log";
return evt[0].level == "info";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg',"SyntaxError: Unexpected token o"+ "\nfoo");
@ -104,7 +104,7 @@ describe('JSON node', function() {
jn1.receive({payload:1,topic: "bar"});
helper.log().called.should.be.true;
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].level == "log";
return evt[0].level == "info";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg',"dropped: 1");

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@ -111,7 +111,7 @@ describe('XML node', function() {
try {
helper.log().called.should.be.true;
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].level == "log";
return evt[0].level == "info";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg',"This node only handles xml strings or js objects.");

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@ -319,7 +319,7 @@ describe('Node', function() {
loginfo = msg;
});
n.log("a log message");
should.deepEqual({level:"log", id:n.id,
should.deepEqual({level:"info", id:n.id,
type:n.type, msg:"a log message", }, loginfo);
Log.log.restore();
done();
@ -334,7 +334,7 @@ describe('Node', function() {
loginfo = msg;
});
n.log("a log message");
should.deepEqual({level:"log", id:n.id, name: "barney",
should.deepEqual({level:"info", id:n.id, name: "barney",
type:n.type, msg:"a log message"}, loginfo);
Log.log.restore();
done();