Meteor Startup

genisys/server/__init__.py

@@ -4,13 +4,16 @@
 import grp
 import os
 import sys
+import subprocess
 from warnings import warn
 from signal import signal, SIGTERM
 from typing_extensions import Dict, TypedDict, cast
 from genisys.config_parser import YAMLParser
 from genisys.server.genisysinventory import GenisysInventory
 from genisys.server.http import GenisysHTTPServer, GenisysHTTPRequestHandler
 import genisys.server.tls
+import pkg_resources
+import tarfile 
 
 DEFAULT_PORT = 15206
 DEFAULT_INVENTORY = "/etc/ansible/hosts"
@@ -29,6 +32,9 @@ def run(config: YAMLParser):
     network = config.get_section("Network")
     server_options = cast(ServerOptions, network.get("server", {}) or {})
 
+    # Launch meteor server
+    meteor_initialization(server_options)
+
     # drop priviledges
     try:
         server_user = drop_priviledges(server_options)
@@ -66,6 +72,10 @@ def sigterm_handler(*_):
     signal(SIGTERM, sigterm_handler)
     httpd.serve_forever()
 
+    # end sigterm_handler
+
+# end run
+
 def drop_priviledges(config: ServerOptions) -> pwd.struct_passwd:
     """Attempts to drop the priviledges to that of the specified users, returns false on failure"""
     if 'user' not in config:
@@ -79,3 +89,43 @@ def drop_priviledges(config: ServerOptions) -> pwd.struct_passwd:
     os.setuid(uid.pw_uid)
     os.setgid(gid.gr_gid)
     return uid
+
+# end drop_privledges
+
+def meteor_initialization(server_config: ServerOptions):
+    '''Runs Meteor as a subprocess of Genisys and 
+    initializes necessary environment variables for
+    Meteor. This process assumes that the user already
+    has MongoDB installed and running.'''
+
+    # Set environment variables
+    os.environ['ROOT_URL'] = 'http://localhost'
+    os.environ['PORT'] = '8080'
+    if 'MONGO_URL' not in os.environ:
+        print('MONGO_URL not found in environment variables, cancelling Meteor server.')
+        return
+    print('MONGO_URL found.')
+
+    if 'CONFIG_FILE' not in os.environ:
+        print('CONFIG_FILE not found in environment variables, defaulting to /etc/genisys.yaml.')
+    else:
+        print('CONFIG_FILE env var found.')
+
+    # Make Meteor directory
+    meteor_dir = os.path.join(server_config.get('working-directory'), 'meteor')
+    os.makedirs(meteor_dir, exist_ok=True)
+
+    # Get path to tar file
+    tar_file_path = pkg_resources.resource_filename('genisys', 'server/external/meteor-dev.tar.gz')
+
+    # Extract tarball Meteor build
+    file = tarfile.open(tar_file_path)
+    file.extractall(meteor_dir, filter='fully_trusted')
+    file.close()
+
+    # npm install and run 
+    subprocess.run(['npm', 'install', '--prefix', os.path.join(meteor_dir,'bundle', 'programs', 'server'), '--unsafe-perm'], check=True)
+    subprocess.run(['node', os.path.join(meteor_dir,'bundle', 'main.js')], check=True)
+
+
+# end meteor_initialization

meteor-dev/server/main.js

@@ -0,0 +1,14 @@
+import { Meteor } from 'meteor/meteor';
+import { ClientsCollection } from '../api/clients/clients';
+import '../api/clients/server/publications';
+import '../api/clients/server/methods';
+
+const yaml = require('js-yaml')
+const fs = require('fs')
+
+const CONFIG_FILE_VAR = process.env.CONFIG_FILE || '/etc/genisys.yaml'
+export const CONFIG_FILE = yaml.load(fs.readFileSync(String(CONFIG_FILE_VAR), 'utf8'))
+
+Meteor.startup(() => {
+    console.log("Meteor Started")
+});