envoy config for deployment

@setup
	
    if (! in_array($env, ['staging', 'production'])) {
        throw new Exception('--env must be "staging" or "production"');
    }

	$uppecaserEnv = strtoupper($env);

	try {
		require __DIR__ . '/vendor/autoload.php';

		$dotenv = new Dotenv\Dotenv(__DIR__);
		$dotenv->load();
		$dotenv->required([
			$uppecaserEnv . '_DEPLOY_SERVER',
			$uppecaserEnv . '_DEPLOY_REPOSITORY', 
			$uppecaserEnv . '_DEPLOY_PATH'
		])->notEmpty();
	} catch ( Exception $e )  {
		 throw new Exception($e->getMessage());
	}
	
	$server = getenv($uppecaserEnv . '_DEPLOY_SERVER');
	$repo = getenv($uppecaserEnv . '_DEPLOY_REPOSITORY');
	$path = getenv($uppecaserEnv . '_DEPLOY_PATH');
	$slack = getenv($uppecaserEnv .'_DEPLOY_SLACK_WEBHOOK');
	
	if ( substr($path, 0, 1) !== '/' ) {
		throw new Exception('Careful - your deployment path does not begin with /');
	}

	$date = ( new DateTime )->format('YmdHis');
	$branch = isset($branch) ? $branch : 'master';
	$path = rtrim($path, '/');
	$release = $path.'/'.$date;
	$updatenv = isset($updatenv) ? : null;
	$cleanup = isset($cleanup) ? : null;
@endsetup

@servers(['web' => $server, 'localhost' => '127.0.0.1'])

@task('init', ['on' => 'web'])
	if [ ! -d {{ $path }}/current ]; then
		cd {{ $path }}
		git clone {{ $repo }} --branch={{ $branch }} --depth=1 -q {{ $release }}
		echo "Repository cloned"
		mv {{ $release }}/pe/recibosdepagos {{ $path }}/recibosdepagos
		ln -s {{ $path }}/recibosdepagos {{ $release }}/pe/recibosdepagos
		echo "recibosdepagos directory set up"
		cp {{ $release }}/.env.TMPL {{ $path }}/.env
		ln -s {{ $path }}/.env {{ $release }}/.env
		echo "Environment file set up"
		rm -rf {{ $release }}
		echo "Deployment path initialised. Run 'envoy run deploy' now."
	else
		echo "Deployment path already initialised (current symlink exists)!"
	fi
@endtask

@story('deploy')
	deployment_start
	deployment_links
	deployment_composer
	deployment_npm
	deployment_assets
	deployment_pm2
	deployment_finish
	deployment_option_updatenv
	deployment_option_cleanup
@endstory

@story('deploy_cleanup')
	deployment_start
	deployment_links
	deployment_composer
	deployment_npm
	deployment_assets
	deployment_pm2
	deployment_finish
	deployment_option_updatenv
	deployment_cleanup
@endstory

@task('deployment_start', ['on' => 'web'])
	cd {{ $path }}
	echo "Deployment ({{ $date }}) started"
	git clone {{ $repo }} --branch={{ $branch }} --depth=1 --recurse-submodules -q {{ $release }}
	echo "Repository cloned"
@endtask

@task('deployment_links', ['on' => 'web'])
	cd {{ $path }}
	rm -rf {{ $release }}/pe/recibosdepagos
	ln -s {{ $path }}/recibosdepagos {{ $release }}/pe/recibosdepagos	
	echo "recibosdepagos directories set up"
	ln -s {{ $release }}/pe  {{ $release }}/public/pe
	ln -s {{ $release }}/pe  {{ $release }}/public/cl
	echo "symlinks to pe folder set up"
	sudo chown -R $USER:www-data {{ $release }}
	ln -sf {{ $path }}/.env {{ $release }}/.env
	echo "Environment file set up"
@endtask

@task('deployment_composer', ['on' => 'web'])
	cd {{ $release }}
	composer install --no-interaction --quiet --no-dev
	echo "Composer dependencies installed"
@endtask

@task('deployment_npm', ['on' => 'web'])
	cd {{ $release }}
	npm install
	echo "Node dependencies installed"
@endtask

@task('deployment_assets', ['on' => 'web'])
	cd {{ $release }}
	npm run dev
	echo "asssets files generated"
@endtask

@task('deployment_pm2', ['on' => 'web'])
    sudo pm2 restart diddli --update-env
	echo 'pm2 server restarted'
@endtask

@task('deployment_finish', ['on' => 'web'])
	ln -nfs {{ $release }} {{ $path }}/current
	echo "Deployment ({{ $date }}) finished"
@endtask

@task('deployment_cleanup', ['on' => 'web'])
	cd {{ $path }}
	ls -dt 20* | tail -n +6 | xargs -d "\n" rm -rf;
	echo "Cleaned up old deployments"
@endtask

@task('deployment_option_cleanup', ['on' => 'web'])
	cd {{ $path }}
	@if ( isset($cleanup) )
	ls -dt 20* | tail -n +6 | xargs -d "\n" rm -rf;
	echo "Cleaned up old deployments"
	@endif
@endtask

@task('deployment_env_file', ['on' => 'localhost'])
    scp ~/env-files/{{ $env }}/web/.env {{ $server }}:{{ $path }}
	echo "environment file (.env) deployed in {{ $env }}"
@endtask

@task('deployment_option_updatenv', ['on' => 'localhost'])
	echo "Updating env files"
	@if ( isset($updatenv) )
	scp ~/env-files/{{ $env }}/web/.env {{ $server }}:{{ $path }}
	echo "environment file (.env) deployed in {{ $env }} successfully"
	@endif
@endtask

@finished
	@slack($slack, '#notifications', "Deployment on {$server}: {$date} complete")
@endfinished