mailing stdout and stderr as attachments

bin/crontab-ui-mailer.js

@@ -1,32 +1,14 @@
 #!/usr/bin/env node
 
 var defaults = require("../config/mailconfig.js");
-
+var crontab = require("../crontab.js");
 var nodemailer = require('nodemailer');
 
-// create reusable transporter object using the default SMTP transport
-var transporter = nodemailer.createTransport(defaults.transporterStr);
-var mailOptions = defaults.mailOptions;
-
-var stdin = process.stdin,
-    stdout = process.stdout,
-    inputChunks = [];
-
-stdin.resume();
-stdin.setEncoding('utf8');
-
-stdin.on('data', function (chunk) {
-    inputChunks.push(chunk);
-});
-
-stdin.on('end', function () {
-    var inputJSON = inputChunks.join(),
-        mailOptions = JSON.parse(inputJSON);
+crontab.get_crontab(process.argv[process.argv.length -1 -2], function(job){
+  var transporter = nodemailer.createTransport(job.mailing.transporterStr);
+  var mailOptions = job.mailing.mailOptions;
 
-        // outputJSON = JSON.stringify(parsedData, null, '    ');
-    // stdout.write(outputJSON);
-    // stdout.write('\n');
-});
+  mailOptions.attachments = [{filename: "stdout.txt", path: process.argv[process.argv.length -1 -1]}, {filename: "stderr.txt", path: process.argv[process.argv.length -1]}];
 
   transporter.sendMail(mailOptions, function(error, info){
     if(error){
@@ -34,3 +16,4 @@ transporter.sendMail(mailOptions, function(error, info){
     }
     console.log('Message sent: ' + info.response);
   });
+});

crontab.js

@@ -10,7 +10,6 @@ db.loadDatabase(function (err) {
 var exec = require('child_process').exec;
 var fs = require('fs');
 var cron_parser = require("cron-parser");
-var os = require("os");
 
 exports.log_folder = __dirname + '/crontabs/logs';
 exports.env_file = __dirname + '/crontabs/env.db';
@@ -62,6 +61,12 @@ exports.crontabs = function(callback){
 	});
 };
 
+exports.get_crontab = function(_id, callback) {
+	db.find({_id: _id}).exec(function(err, docs){
+		callback(docs[0]);
+	});
+};
+
 // Set actual crontab file from the db
 exports.set_crontab = function(env_vars, callback){
 	exports.crontabs( function(tabs){
@@ -71,35 +76,33 @@ exports.set_crontab = function(env_vars, callback){
 		}
 		tabs.forEach(function(tab){
 			if(!tab.stopped) {
-				if (tab.logging && tab.logging == "true") {
-					let tmp_log = "/tmp/" + tab._id + ".log";
+				let stderr = "/tmp/" + tab._id + ".stderr";
+				let stdout = "/tmp/" + tab._id + ".stdout";
 				let log_file = exports.log_folder + "/" + tab._id + ".log";
+
 				if(tab.command[tab.command.length-1] != ";") // add semicolon
 					tab.command +=";";
-					// hook is in beta
-					if (tab.hook){
-						let tmp_hook = "/tmp/" + tab._id + ".hook";
-						crontab_string += tab.schedule + " ({ " + tab.command + " } | tee " + tmp_hook + ") 3>&1 1>&2 2>&3 | tee " + tmp_log +
-						"; if test -f " + tmp_log +
-							"; then date >> " + log_file +
-							"; cat " + tmp_log + " >> " + log_file +
-							"; rm " + tmp_log +
-						"; fi; if test -f " + tmp_hook +
-							"; then " + tab.hook + " < " + tmp_hook +
-							"; rm " + tmp_hook +
-						"; fi \n";
-					} else {
-						crontab_string += tab.schedule + " { " + tab.command + " } 2> " + tmp_log +
-						"; if test -f " + tmp_log +
+
+				crontab_string += tab.schedule + " ({ " + tab.command + " } | tee " + stdout + ") 3>&1 1>&2 2>&3 | tee " + stderr;
+
+				if (tab.logging && tab.logging == "true") {
+					crontab_string += "; if test -f " + stderr +
 					"; then date >> " + log_file +
-							"; cat " + tmp_log + " >> " + log_file +
-							"; rm " + tmp_log +
-						"; fi \n";
+					"; cat " + stderr + " >> " + log_file +
+					"; fi";
 				}
+
+				if (tab.hook) {
+					crontab_string += "; if test -f " + stdout +
+					"; then " + tab.hook + " < " + stdout +
+					"; fi";
 				}
-				else {
-					crontab_string += tab.schedule + " " + tab.command + "\n";
+
+				if (tab.mailing && JSON.stringify(tab.mailing) != "{}"){
+					crontab_string += "; /usr/local/bin/node " + __dirname + "/bin/crontab-ui-mailer.js " + tab._id + " " + stdout + " " + stderr;
 				}
+
+				crontab_string += "\n";
 			}
 		});
 

package.json

@@ -14,7 +14,8 @@
     "mime": "latest",
     "cron-parser": "latest",
     "connect-busboy": "latest",
-    "moment": "latest"
+    "moment": "latest",
+    "nodemailer": "latest"
   },
   "engines": {
     "node": "latest"

public/js/script.js

@@ -224,11 +224,26 @@ function setMailConfig(a){
 	};
 	container.appendChild(button);
 
+	let buttonClear = document.createElement("a");
+	buttonClear.className = "btn btn-default btn-small";
+	buttonClear.innerHTML = "Clear";
+	buttonClear.onclick = function(){
+		document.getElementById("transporterInput").value = "";
+		document.getElementById("mailOptionsInput").innerHTML = "";
+	};
+	container.appendChild(buttonClear);
+
 	messageBox(container, "Mailing", null, null, function(){
 		let transporterStr = document.getElementById("transporterInput").value;
-		let mailOptions = JSON.parse(document.getElementById("mailOptionsInput").innerHTML);
+		let mailOptions;
+		try{
+			mailOptions = JSON.parse(document.getElementById("mailOptionsInput").value);
+		} catch (err) {}
+
 		if (transporterStr && mailOptions){
 				a.setAttribute("data-json", JSON.stringify({transporterStr: transporterStr, mailOptions: mailOptions}));
+		} else {
+				a.setAttribute("data-json", JSON.stringify({}));
 		}
 	});
 }