Set max memory for node only on 32 bit OSs

Prevent out of memory errors when compiling node assets
on 32-bit operating systems.

Closes https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8207

Signed-off-by: Balasankar "Balu" C <[email protected]>

Author: balasankarc

config/software/gitlab-rails.rb

@@ -158,8 +158,9 @@
     'PATH' => "#{install_dir}/embedded/bin:#{Gitlab::Util.get_env('PATH')}",
     'SKIP_STORAGE_VALIDATION' => 'true',
     'SKIP_DATABASE_CONFIG_VALIDATION' => 'true',
-    'NODE_OPTIONS' => '--max_old_space_size=3584'
   }
+  assets_compile_env['NODE_OPTIONS'] = '--max_old_space_size=3584' if OhaiHelper.is_32_bit?
+
   assets_compile_env['NO_SOURCEMAPS'] = 'true' if Gitlab::Util.get_env('NO_SOURCEMAPS')
   command 'yarn install --pure-lockfile --production'
 

lib/gitlab/ohai_helper.rb

@@ -180,6 +180,10 @@ def raspberry_pi?
       os_platform == 'raspbian'
     end
 
+    def is_32_bit?
+      `getconf LONG_BIT`.strip == "32"
+    end
+
     def gcc_target
       ohai['languages']['c']['gcc']['target']
     end