diff --git a/devops-service/lib/users_permissions_updater.rb b/devops-service/lib/users_permissions_updater.rb
index 78558b7..13e844b 100644
--- a/devops-service/lib/users_permissions_updater.rb
+++ b/devops-service/lib/users_permissions_updater.rb
@@ -1,21 +1,27 @@
 require "mongo"
+require "../core/devops-config"
 
 class UsersPermissionsUpdater
   attr_reader :users_collection
 
-  def initialize(config)
-    db = config[:db] || "devops"
-    host = config[:host] || "localhost"
-    port = config[:port] || 27017
-    user = config[:user]
-    password = config[:password]
+  def initialize
+    DevopsConfig.read
+    config = DevopsConfig.config
+
+    db = config[:mongo_db] || "devops"
+    host = config[:mongo_host] || "localhost"
+    port = config[:mongo_port] || 27017
+    user = config[:mongo_user]
+    password = config[:mongo_password]
+
+    puts
+    puts "Initialized updater for db '#{db}' located on host '#{host}'"
 
     @db = Mongo::MongoClient.new(host, port).db(db)
     @db.authenticate(user, password)
     @users_collection = @db.collection('users')
   end
 
-  # returns users who have rwx in permissions.server field
   def admins
     users_collection.find('privileges.server' => 'rwx')
   end
@@ -24,38 +30,26 @@ class UsersPermissionsUpdater
     users_collection.find('privileges.server' => 'r')
   end
 
-  def set_priveleges_to_users(users, privilege_name, privilege_value)
+  def set_priveleges_to_users(users, privilege_value)
     ids = users.to_a.map {|u| u['_id']}
+    puts "users: #{ids.join(', ')}"
 
     users_collection.update(
       {"_id" => {'$in' => ids}},
       {
         "$set" => {
-          "privileges.#{privilege_name}" => privilege_value
+          "privileges.stack" => privilege_value,
+          "privileges.stack_template" => privilege_value
         }
       }
     )
   end
 
-  def not_admin_or_readers
-    all = users_collection.find({}).to_a
-    admin_ids = admins.to_a.map {|u| u['_id']}
-    reader_ids = readers.to_a.map {|u| u['_id']}
-    admin_or_reader_ids = admin_ids + reader_ids
-
-    result = all.delete_if do |user|
-      admin_or_reader_ids.include?(user['_id'])
-    end
-  end
 end
 
-updater = UsersPermissionsUpdater.new(user: 'user', password: 'pass', db: 'devops_prod')
-updater.set_priveleges_to_users(updater.admins, 'stack', 'rwx')
-updater.set_priveleges_to_users(updater.admins, 'stack_template', 'rwx')
+updater = UsersPermissionsUpdater.new
+updater.set_priveleges_to_users(updater.admins, 'rwx')
+puts "Admin privileges updated"
 
-updater.set_priveleges_to_users(updater.readers, 'stack', 'r')
-updater.set_priveleges_to_users(updater.readers, 'stack_template', 'r')
-
-
-puts "Updated admins"
-puts "Updated readers"
+updater.set_priveleges_to_users(updater.readers, 'r')
+puts "Readers privileges updated"