*** Bug 1075272 has been marked as a duplicate of this bug. ***
Fixed with https://github.com/openshift/origin-server/pull/4995
Verified on devenv_4532, this works correctly and primary cartridges are not overwritten by 'plugins', 'embedded', 'ci_builder', 'web_proxy' cartridges.
Found a third gear with this issue: App Name: snake App UUID: 532a057250044665a6000037 Creation Time: 2014-03-19 09:00:34 PM Group Instance[0]: Components: Cartridge Name: <redacted>-foreman-0.63.0 Component Name: <redacted>-foreman-0.63.0 Cartridge Name: python-3.3 Component Name: python-3.3 Gear[0] Server Identity: ex-std-node19.prod.rhcloud.com Gear UUID: 532a057250044665a6000037 Gear UID: 6025 I'm noticing that 2 of 3 of these gears were created by RH'ers.
also 532abd75e0b8cd0aa200035a, 532af693500446a68500009a, 532af87ae0b8cd0ec200015e same creator + cartridges as above.