add after build trigger

app.js

@@ -8,7 +8,8 @@ var http = require('http'),
 	Steppy = require('twostep').Steppy,
 	_ = require('underscore'),
 	reader = require('./lib/reader'),
-	notifier = require('./lib/notifier');
+	notifier = require('./lib/notifier'),
+	project = require('./lib/project');
 
 var staticServer = new nodeStatic.Server('./static');
 var server = http.createServer(function(req, res, next) {
@@ -70,6 +71,16 @@ Steppy(
 		console.log('Server config:', JSON.stringify(app.config, null, 4));
 
 		notifier.init(app.config.notify, this.slot());
+	},
+	function() {
+		project.loadAll(app.config.paths.projects, this.slot());
+	},
+	function(err, projects) {
+		app.projects = projects;
+		console.log(
+			'Loaded projects: ',
+			_(projects).chain().pluck('config').pluck('name').value()
+		);
 
 		// init resources
 		require('./resources')(app);

data/projects/project1/config.yaml

@@ -18,6 +18,11 @@ notify:
         # jabber:
         #     - oleg.korobenko@gmail.com
 
+trigger:
+    after:
+        - status: done
+          project: project2
+
 steps:
     - cmd: >
         echo "long multiline string" &&

lib/distributor.js

@@ -20,6 +20,10 @@ function Distributor(params) {
 	self.saveBuild = params.saveBuild || function(build, callback) {
 		callback(null, build);
 	};
+
+	self.projectsHash = _(params.projects).indexBy(function(project) {
+		return project.config.name;
+	});
 }
 
 inherits(Distributor, EventEmitter);
@@ -70,9 +74,7 @@ Distributor.prototype._runNext = function(callback) {
 						error: err ? err.message : null
 					},
 					function(err, build) {
-						notifier.send(build);
+						self._onBuildComplete(err, build, stepCallback)
-						// try to run next project from the queue
-						self._runNext(stepCallback);
 					}
 				);
 			});
@@ -93,6 +95,35 @@ Distributor.prototype._runNext = function(callback) {
 	);
 };
 
+Distributor.prototype._onBuildComplete = function(err, build, callback) {
+	var self = this;
+
+	Steppy(
+		function() {
+			// process after build triggers
+			var triggerAfterGroup = this.makeGroup();
+
+			var after = build.project.trigger && build.project.trigger.after;
+			if (after) {
+				_(after).each(function(item) {
+					if (!item.status || item.status === build.status) {
+						self.run(item.project, {}, triggerAfterGroup.slot());
+					}
+				});
+			}
+
+		},
+		function(err, triggerAfterGroupResults) {
+			// notify about build
+			notifier.send(build);
+
+			// try to run next project from the queue
+			self._runNext(this.slot());
+		},
+		callback
+	);
+};
+
 Distributor.prototype._updateBuild = function(build, changes, callback) {
 	var self = this;
 	callback = callback || _.noop;
@@ -127,10 +158,12 @@ Distributor.prototype._updateBuild = function(build, changes, callback) {
 	);
 };
 
-Distributor.prototype.run = function(project, params, callback) {
+Distributor.prototype.run = function(projectName, params, callback) {
-	var self = this;
+	var self = this,
+		project;
 	Steppy(
 		function() {
+			project = self.projectsHash[projectName].config;
 			self._updateBuild({}, {
 				project: project,
 				params: params,

resources/projects.js

@@ -12,22 +12,9 @@ module.exports = function(app) {
 
 	var resource = app.dataio.resource('projects');
 
-	var projects, projectsHash;
-
-	project.loadAll(app.config.paths.projects, function(err, loadedProjects) {
-		if (err) throw err;
-		projects = loadedProjects;
-		projectsHash = _(projects).indexBy(function(project) {
-			return project.config.name;
-		});
-		console.log(
-			'Loaded projects: ',
-			_(projects).chain().pluck('config').pluck('name').value()
-		);
-	});
-
 	var distributor = new Distributor({
 		nodes: app.config.nodes,
+		projects: app.projects,
 		saveBuild: function(build, callback) {
 			Steppy(
 				function() {
@@ -117,14 +104,13 @@ module.exports = function(app) {
 	});
 
 	resource.use('readAll', function(req, res) {
-		res.send(_(projects).pluck('config'));
+		res.send(_(app.projects).pluck('config'));
 	});
 
 	resource.use('run', function(req, res) {
-		var projectName = req.data.projectName,
+		var projectName = req.data.projectName;
-			project = projectsHash[projectName];
+		console.log('Run the project: %j', projectName);
-		console.log('Run the project: %j', project || projectName);
+		distributor.run(projectName, {}, function(err, build) {
-		distributor.run(project.config, {}, function(err, build) {
 			console.log('>>> err, build = ', err && err.stack || err, build);
 		});
 		res.send();

test/distributor.js

@@ -9,7 +9,9 @@ var Distributor = require('../lib/distributor').Distributor,
 
 describe('Distributor', function() {
 	var distributor,
-		project1 = {name: 'project1'};
+		projects = [{
+			config: {name: 'project1'}
+		}];
 
 	var createNodeMock = function(executorRun) {
 		return function(params) {
@@ -46,13 +48,14 @@ describe('Distributor', function() {
 
 		it('instance should be created without errors', function() {
 			distributor = new Distributor({
+				projects: projects,
 				nodes: [{type: 'local', maxExecutorsCount: 1}]
 			});
 			updateBuildSpy = sinon.spy(distributor, '_updateBuild');
 		});
 
 		it('should run without errors', function(done) {
-			distributor.run(project1, {}, function(err) {
+			distributor.run('project1', {}, function(err) {
 				expect(err).not.ok();
 				done();
 			});
@@ -108,13 +111,14 @@ describe('Distributor', function() {
 
 		it('instance should be created without errors', function() {
 			distributor = new Distributor({
+				projects: projects,
 				nodes: [{type: 'local', maxExecutorsCount: 1}]
 			});
 			updateBuildSpy = sinon.spy(distributor, '_updateBuild');
 		});
 
 		it('should run without errors', function(done) {
-			distributor.run(project1, {}, function(err) {
+			distributor.run('project1', {}, function(err) {
 				expect(err).not.ok();
 				done();
 			});