GET consumer by custom_id fails

[joarSv]

Summary

Kong fails when making a GET request to the admin endpoint "consumers" with a filter on a custom ID like below. The input validation of args.custom_id doesn't seem to handle guids anymore?

GET /consumers?custom_id=01179005-748f-42b0-b11d-627df05e1570

This issue was introduced to us after upgrading from Kong 0.14 to 1.0.3.

[error] 36#0: *572512 lua coroutine: runtime error: /usr/local/share/lua/5.1/kong/api/routes/consumers.lua:18: custom_id must be a string
stack traceback:
coroutine 0:
	[C]: in function 'error'
	/usr/local/share/lua/5.1/kong/db/dao/init.lua:103: in function 'validate_unique_type'
	/usr/local/share/lua/5.1/kong/db/dao/init.lua:357: in function 'select_entity'
	/usr/local/share/lua/5.1/kong/api/routes/consumers.lua:18: in function 'fn'
	/usr/local/share/lua/5.1/kong/api/init.lua:45: in function </usr/local/share/lua/5.1/kong/api/init.lua:28>
coroutine 1:
	[C]: in function 'resume'
	/usr/local/share/lua/5.1/lapis/application.lua:393: in function 'handler'
	/usr/local/share/lua/5.1/lapis/application.lua:130: in function 'resolve'
	/usr/local/share/lua/5.1/lapis/application.lua:161: in function </usr/local/share/lua/5.1/lapis/application.lua:159>
	[C]: in function 'xpcall'
	/usr/local/share/lua/5.1/lapis/application.lua:159: in function 'dispatch'
	/usr/local/share/lua/5.1/lapis/nginx.lua:215: in function 'serve_admin_api'

Steps To Reproduce

1. Create a consumer with a guid string as custom_id (e.g 01179005-748f-42b0-b11d-627df05e1570)
2. Request /consumers?custom_id=01179005-748f-42b0-b11d-627df05e1570

Additional Details & Logs

• Kong version: 1.0.3
• Operating system: Official docker image (kong:1.0.3-alpine)

[bungle]

Thank you @JoarSvensson! This should be fixed with soon to be out 1.1 and perhaps if we release 1.0.4 at some point (not sure about it).