Add global-services to service command

service-command.php

@@ -1,5 +1,33 @@
 <?php
 
+if ( ! defined( 'SERVICE_TEMPLATE_ROOT' ) ) {
+	define( 'SERVICE_TEMPLATE_ROOT', __DIR__ . '/templates' );
+}
+
+if ( ! defined( 'GLOBAL_DB' ) ) {
+	define( 'GLOBAL_DB', 'global-db' );
+}
+
+if ( ! defined( 'GLOBAL_DB_CONTAINER' ) ) {
+	define( 'GLOBAL_DB_CONTAINER', 'ee-global-db' );
+}
+
+if ( ! defined( 'GLOBAL_FRONTEND_NETWORK' ) ) {
+	define( 'GLOBAL_FRONTEND_NETWORK', 'ee-global-frontend-network' );
+}
+
+if ( ! defined( 'GLOBAL_BACKEND_NETWORK' ) ) {
+	define( 'GLOBAL_BACKEND_NETWORK', 'ee-global-backend-network' );
+}
+
+if ( ! defined( 'GLOBAL_REDIS' ) ) {
+	define( 'GLOBAL_REDIS', 'global-redis' );
+}
+
+if ( ! defined( 'GLOBAL_REDIS_CONTAINER' ) ) {
+	define( 'GLOBAL_REDIS_CONTAINER', 'ee-global-redis' );
+}
+
 if ( ! class_exists( 'EE' ) ) {
 	return;
 }

src/Service_Command.php

@@ -1,5 +1,7 @@
 <?php
 
+use Symfony\Component\Filesystem\Filesystem;
+
 /**
  * Manages global services of EasyEngine.
  *
@@ -17,6 +19,8 @@ class Service_Command extends EE_Command {
 	 */
 	private $whitelisted_services = [
 		'nginx-proxy',
+		'mariadb',
+		'redis',
 	];
 
 	/**
@@ -43,9 +47,16 @@ public function __construct() {
 	 *
 	 */
 	public function enable( $args, $assoc_args ) {
-		$service = $this->filter_service( $args );
+		$service      = $this->filter_service( $args );
+		$service_name = "global-$service";
+		$container    = "ee-$service_name";
+
+		if ( EE_PROXY_TYPE === $container ) {
+			\EE\Service\Utils\nginx_proxy_check();
+		} else {
+			\EE\Service\Utils\init_global_container( $service_name );
+		}
 
-		EE::exec( "docker-compose start $service", true, true );
 	}
 
 	/**
@@ -58,6 +69,8 @@ private function filter_service( $args ) {
 			EE::error( "Unable to find global EasyEngine service $args[0]" );
 		}
 
+		$services = array_values( $services );
+
 		return $services[0];
 	}
 
@@ -115,8 +128,12 @@ public function restart( $args, $assoc_args ) {
 	 */
 	public function reload( $args, $assoc_args ) {
 		$service = $this->filter_service( $args );
-		$command   = $this->service_reload_command( $service );
-		EE::exec( "docker-compose exec $service $command", true, true );
+		$command = $this->service_reload_command( $service );
+		if ( $command ) {
+			EE::exec( "docker-compose exec $service $command", true, true );
+		} else {
+			EE::warning( "$service can not be reloaded." );
+		}
 	}
 
 	/**
@@ -132,6 +149,6 @@ private function service_reload_command( string $service ) {
 			'nginx-proxy' => "sh -c 'nginx -t && service nginx reload'",
 		];
 
-		return $command_map[ $service ];
+		return array_key_exists( $service, $command_map ) ? $command_map[ $service ] : false;
 	}
 }

src/helper/service-utils.php

@@ -0,0 +1,143 @@
+<?php
+
+namespace EE\Service\Utils;
+
+use EE;
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * Boots up the container if it is stopped or not running.
+ * @throws EE\ExitException
+ */
+function nginx_proxy_check() {
+
+	$proxy_type = EE_PROXY_TYPE;
+	if ( 'running' !== EE::docker()::container_status( $proxy_type ) ) {
+		/**
+		 * Checking ports.
+		 */
+		$port_80_status  = get_curl_info( 'localhost', 80, true );
+		$port_443_status = get_curl_info( 'localhost', 443, true );
+
+		// if any/both the port/s is/are occupied.
+		if ( ! ( $port_80_status && $port_443_status ) ) {
+			EE::error( 'Cannot create/start proxy container. Please make sure port 80 and 443 are free.' );
+		} else {
+
+			$fs = new Filesystem();
+
+			if ( ! $fs->exists( EE_CONF_ROOT . '/docker-compose.yml' ) ) {
+				generate_global_docker_compose_yml( $fs );
+			}
+
+			$EE_CONF_ROOT = EE_CONF_ROOT;
+			if ( ! EE::docker()::docker_network_exists( GLOBAL_BACKEND_NETWORK ) &&
+				! EE::docker()::create_network( GLOBAL_BACKEND_NETWORK ) ) {
+				EE::error( 'Unable to create network ' . GLOBAL_BACKEND_NETWORK );
+			}
+			if ( ! EE::docker()::docker_network_exists( GLOBAL_FRONTEND_NETWORK ) &&
+				! EE::docker()::create_network( GLOBAL_FRONTEND_NETWORK ) ) {
+				EE::error( 'Unable to create network ' . GLOBAL_FRONTEND_NETWORK );
+			}
+			if ( EE::docker()::docker_compose_up( EE_CONF_ROOT, [ 'global-nginx-proxy' ] ) ) {
+				$fs->dumpFile( "$EE_CONF_ROOT/nginx/conf.d/custom.conf", file_get_contents( EE_ROOT . '/templates/custom.conf.mustache' ) );
+				EE::success( "$proxy_type container is up." );
+			} else {
+				EE::error( "There was some error in starting $proxy_type container. Please check logs." );
+			}
+		}
+	}
+}
+
+/**
+ * Function to start global conainer if it is not running.
+ *
+ * @param string $container Global container to be brought up.
+ */
+function init_global_container( $service, $container = '' ) {
+
+	if ( empty( $container ) ) {
+		$container = 'ee-' . $service;
+	}
+	if ( ! EE::docker()::docker_network_exists( GLOBAL_BACKEND_NETWORK ) &&
+		! EE::docker()::create_network( GLOBAL_BACKEND_NETWORK ) ) {
+		EE::error( 'Unable to create network ' . GLOBAL_BACKEND_NETWORK );
+	}
+
+	$fs = new Filesystem();
+
+	if ( ! $fs->exists( EE_CONF_ROOT . '/docker-compose.yml' ) ) {
+		generate_global_docker_compose_yml( $fs );
+	}
+
+	if ( 'running' !== EE::docker()::container_status( $container ) ) {
+		chdir( EE_CONF_ROOT );
+		EE::docker()::boot_container( $container, 'docker-compose up -d ' . $container );
+	}
+}
+
+/**
+ * Generates global docker-compose.yml at EE_CONF_ROOT
+ *
+ * @param Filesystem $fs Filesystem object to write file
+ */
+function generate_global_docker_compose_yml( Filesystem $fs ) {
+	$img_versions = EE\Utils\get_image_versions();
+
+	$data = [
+		'services' => [
+			[
+				'name'           => 'global-nginx-proxy',
+				'container_name' => EE_PROXY_TYPE,
+				'image'          => 'easyengine/nginx-proxy:' . $img_versions['easyengine/nginx-proxy'],
+				'restart'        => 'always',
+				'ports'          => [
+					'80:80',
+					'443:443',
+				],
+				'environment'    => [
+					'LOCAL_USER_ID=' . posix_geteuid(),
+					'LOCAL_GROUP_ID=' . posix_getegid(),
+				],
+				'volumes'        => [
+					EE_CONF_ROOT . '/nginx/certs:/etc/nginx/certs',
+					EE_CONF_ROOT . '/nginx/dhparam:/etc/nginx/dhparam',
+					EE_CONF_ROOT . '/nginx/conf.d:/etc/nginx/conf.d',
+					EE_CONF_ROOT . '/nginx/htpasswd:/etc/nginx/htpasswd',
+					EE_CONF_ROOT . '/nginx/vhost.d:/etc/nginx/vhost.d',
+					EE_CONF_ROOT . '/nginx/html:/usr/share/nginx/html',
+					'/var/run/docker.sock:/tmp/docker.sock:ro',
+				],
+				'networks'       => [
+					'global-frontend-network',
+				],
+			],
+			[
+				'name'           => GLOBAL_DB,
+				'container_name' => GLOBAL_DB_CONTAINER,
+				'image'          => 'easyengine/mariadb:' . $img_versions['easyengine/mariadb'],
+				'restart'        => 'always',
+				'environment'    => [
+					'MYSQL_ROOT_PASSWORD=' . \EE\Utils\random_password(),
+				],
+				'volumes'        => [ './app/db:/var/lib/mysql' ],
+				'networks'       => [
+					'global-backend-network',
+				],
+			],
+			[
+				'name'           => GLOBAL_REDIS,
+				'container_name' => GLOBAL_REDIS_CONTAINER,
+				'image'          => 'easyengine/redis:' . $img_versions['easyengine/redis'],
+				'restart'        => 'always',
+				'volumes'        => [ EE_CONF_ROOT . '/services/redis:/data' ],
+				'networks'       => [
+					'global-backend-network',
+				],
+			],
+		],
+	];
+
+	$contents = EE\Utils\mustache_render( SERVICE_TEMPLATE_ROOT . '/global_docker_compose.yml.mustache', $data );
+	$fs->dumpFile( EE_CONF_ROOT . '/docker-compose.yml', $contents );
+}

templates/global_docker_compose.yml.mustache

@@ -0,0 +1,57 @@
+version: '3.5'
+
+services:
+
+{{#services}}
+  {{name}}:
+    container_name: {{container_name}}
+    image: {{image}}
+  {{#ports.0}}
+    ports:
+    {{#ports}}
+      - "{{.}}"
+    {{/ports}}
+  {{/ports.0}}
+  {{#depends_on}}
+    depends_on:
+      - {{.}}
+  {{/depends_on}}
+  {{#restart}}
+    restart: {{.}}
+  {{/restart}}
+  {{#command}}
+    command: {{.}}
+  {{/command}}
+  {{#labels.0}}
+    labels:
+    {{#labels}}
+      - "{{.}}"
+    {{/labels}}
+  {{/labels.0}}
+  {{#volumes.0}}
+    volumes:
+    {{#volumes}}
+      - "{{.}}"
+    {{/volumes}}
+  {{/volumes.0}}
+  {{#environment.0}}
+    environment:
+    {{#environment}}
+      - {{.}}
+    {{/environment}}
+  {{/environment.0}}
+  {{#networks.0}}
+    networks:
+    {{#networks}}
+      - {{.}}
+    {{/networks}}
+  {{/networks.0}}
+{{/services}}
+
+networks:
+  global-frontend-network:
+    external:
+      name: ee-global-frontend-network
+  global-backend-network:
+    external:
+      name: ee-global-backend-network