Having had a GCE window VM registered, I went to:

Infrastructure->Compute Resources->My GCE Resource->tab:Virtual Machines

and then clicked on the VM name.

This directed me to a page with the following error: uninitialized constant Fog::Compute::OpenStack

Full trace:

NameError
uninitialized constant Fog::Compute::OpenStack
/usr/share/foreman/app/helpers/compute_resources_vms_helper.rb:89:in `available_actions'
/usr/share/foreman/app/views/compute_resources_vms/show.html.erb:6:in `_app_views_compute_resources_vms_show_html_erb___1853630248152135544_92413340'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/template.rb:145:in `block in render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications.rb:125:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/template.rb:143:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/template_renderer.rb:47:in `block (2 levels) in render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/abstract_renderer.rb:38:in `block in instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications.rb:123:in `block in instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications.rb:123:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/abstract_renderer.rb:38:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/template_renderer.rb:46:in `block in render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/template_renderer.rb:54:in `render_with_layout'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/template_renderer.rb:45:in `render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/template_renderer.rb:18:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/renderer.rb:36:in `render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_view/renderer/renderer.rb:17:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/rendering.rb:110:in `_render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/streaming.rb:225:in `_render_template'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/rendering.rb:103:in `render_to_body'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/renderers.rb:28:in `render_to_body'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/compatibility.rb:50:in `render_to_body'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/rendering.rb:88:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/rendering.rb:16:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/core_ext/benchmark.rb:5:in `block in ms'
/usr/lib/ruby/2.1.0/benchmark.rb:294:in `realtime'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/core_ext/benchmark.rb:5:in `ms'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:40:in `block in render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:83:in `cleanup_view_runtime'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activerecord-3.2.21/lib/active_record/railties/controller_runtime.rb:24:in `cleanup_view_runtime'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:39:in `render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/implicit_render.rb:10:in `default_render'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/mime_responds.rb:196:in `respond_to'
/usr/share/foreman/app/controllers/compute_resources_vms_controller.rb:50:in `show'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/base.rb:167:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/rendering.rb:10:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:627:in `block (4 levels) in _run__274954132266506389__process_action__1946116449133794740__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_7652'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:326:in `around'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:310:in `_callback_around_1883'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_7652'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:626:in `block (3 levels) in _run__274954132266506389__process_action__1946116449133794740__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_7651'
/usr/share/foreman/app/controllers/concerns/application_shared.rb:13:in `set_timezone'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_7651'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:625:in `block (2 levels) in _run__274954132266506389__process_action__1946116449133794740__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_7650'
/usr/share/foreman/app/models/concerns/foreman/thread_session.rb:32:in `clear_thread'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_7650'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:448:in `block in _run__274954132266506389__process_action__1946116449133794740__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_7649'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:326:in `around'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:310:in `_callback_around_13'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_7649'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:414:in `_run__274954132266506389__process_action__1946116449133794740__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:405:in `__run_callback'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:81:in `run_callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/callbacks.rb:17:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/rescue.rb:29:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications.rb:123:in `block in instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/notifications.rb:123:in `instrument'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activerecord-3.2.21/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/base.rb:121:in `process'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/abstract_controller/rendering.rb:45:in `process'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal.rb:203:in `dispatch'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_controller/metal.rb:246:in `block in action'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/routing/route_set.rb:73:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/routing/route_set.rb:36:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
/usr/share/foreman/vendor/ruby/2.1.0/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/routing/route_set.rb:608:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/apipie-rails-0.2.6/lib/apipie/static_dispatcher.rb:65:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/apipie-rails-0.2.6/lib/apipie/extractor/recorder.rb:97:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/apipie-rails-0.2.6/lib/apipie/middleware/checksum_in_headers.rb:27:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/etag.rb:23:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/conditionalget.rb:25:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/head.rb:14:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/usr/share/foreman/lib/middleware/catch_json_parse_errors.rb:9:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/flash.rb:242:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/session/abstract/id.rb:210:in `context'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/session/abstract/id.rb:205:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/cookies.rb:341:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activerecord-3.2.21/lib/active_record/query_cache.rb:64:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activerecord-3.2.21/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:405:in `_run__3420641946481814229__call__2143957769976263095__callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:405:in `__run_callback'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/callbacks.rb:81:in `run_callbacks'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/railties-3.2.21/lib/rails/rack/logger.rb:32:in `call_app'
/usr/share/foreman/vendor/ruby/2.1.0/gems/railties-3.2.21/lib/rails/rack/logger.rb:18:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/request_id.rb:22:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/methodoverride.rb:21:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/runtime.rb:17:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/lock.rb:15:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/actionpack-3.2.21/lib/action_dispatch/middleware/static.rb:83:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-cache-1.2/lib/rack/cache/context.rb:245:in `fetch'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-cache-1.2/lib/rack/cache/context.rb:185:in `lookup'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-cache-1.2/lib/rack/cache/context.rb:66:in `call!'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/railties-3.2.21/lib/rails/engine.rb:484:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/railties-3.2.21/lib/rails/application.rb:231:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/railties-3.2.21/lib/rails/railtie/configurable.rb:30:in `method_missing'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/builder.rb:134:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/urlmap.rb:64:in `block in call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/urlmap.rb:49:in `each'
/usr/share/foreman/vendor/ruby/2.1.0/gems/rack-1.4.7/lib/rack/urlmap.rb:49:in `call'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/thread_handler_extension.rb:74:in `process_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler/thread_handler.rb:141:in `accept_and_process_next_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler/thread_handler.rb:109:in `main_loop'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler.rb:455:in `block (3 levels) in start_threads'
/usr/share/foreman/vendor/ruby/2.1.0/gems/logging-2.0.0/lib/logging/diagnostic_context.rb:448:in `call'
/usr/share/foreman/vendor/ruby/2.1.0/gems/logging-2.0.0/lib/logging/diagnostic_context.rb:448:in `block in create_with_logging_context'