error using generated pagination links for Projects collection

[Thomas Maddox]

It looks like the marker paramter's value being a UUID is having an issue:

Example recreation:

$ curl -s "http://127.0.0.1:8080/v1/projects?sort_dir=asc&limit=30&sort_keys=created_at%2Cid" -H "Content-Type: application/json" -H "X-Auth-Token: demo_root" -H "X-Auth-User: demo_root" -H "X-Auth-Project: b9f10eca66ac4c279c139d01e65f96b4" | jq
{
  "links": [
    {
      "href": "http://127.0.0.1:8080/v1/projects?sort_dir=asc&limit=30&sort_keys=created_at%2Cid",
      "rel": "first"
    },
    {
      "href": "http://127.0.0.1:8080/v1/projects?sort_dir=asc&limit=30&sort_keys=created_at%2Cid",
      "rel": "prev"
    },
    {
      "href": "http://127.0.0.1:8080/v1/projects?sort_dir=asc&limit=30&sort_keys=created_at%2Cid",
      "rel": "self"
    },
    {
      "href": "http://127.0.0.1:8080/v1/projects?marker=b9f10eca-66ac-4c27-9c13-9d01e65f96b4&sort_dir=asc&limit=30&sort_keys=created_at%2Cid",
      "rel": "next"
    }
  ],
  "projects": [
    {
      "created_at": "2017-02-17T20:43:16.000000",
      "id": "b9f10eca-66ac-4c27-9c13-9d01e65f96b4",
      "name": "demo",
      "updated_at": "2017-02-17T20:43:16.000000"
    }
  ]
}
$ curl -s "http://127.0.0.1:8080/v1/projects?marker=b9f10eca-66ac-4c27-9c13-9d01e65f96b4&sort_dir=asc&limit=30&sort_keys=created_at%2Cid" -H "Content-Type: application/json" -H "X-Auth-Token: demo_root" -H "X-Auth-User: demo_root" -H "X-Auth-Project: b9f10eca66ac4c279c139d01e65f96b4"
A server error occurred. Please contact the administrator.

Traceback:

172.17.0.1 - - [17/Feb/2017 20:45:06] "GET /v1/projects?marker=b9f10eca-66ac-4c27-9c13-9d01e65f96b4&sort_dir=asc&limit=30&sort_keys=created_at%2Cid HTTP/1.1" 500 59
Traceback (most recent call last):
  File "/usr/lib/python3.5/wsgiref/handlers.py", line 137, in run
    self.result = application(self.environ, self.start_response)
  File "/craton/lib/python3.5/site-packages/webob/dec.py", line 131, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/craton/lib/python3.5/site-packages/webob/dec.py", line 196, in call_func
    return self.func(req, *args, **kwargs)
  File "/craton/lib/python3.5/site-packages/oslo_middleware/request_id.py", line 37, in __call__
    response = req.get_response(self.application)
  File "/craton/lib/python3.5/site-packages/webob/request.py", line 1316, in send
    application, catch_exc_info=False)
  File "/craton/lib/python3.5/site-packages/webob/request.py", line 1280, in call_application
    app_iter = application(self.environ, start_response)
  File "/craton/lib/python3.5/site-packages/webob/dec.py", line 131, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/craton/lib/python3.5/site-packages/webob/dec.py", line 196, in call_func
    return self.func(req, *args, **kwargs)
  File "/craton/lib/python3.5/site-packages/oslo_middleware/base.py", line 126, in __call__
    response = req.get_response(self.application)
  File "/craton/lib/python3.5/site-packages/webob/request.py", line 1316, in send
    application, catch_exc_info=False)
  File "/craton/lib/python3.5/site-packages/webob/request.py", line 1280, in call_application
    app_iter = application(self.environ, start_response)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1994, in __call__
    return self.wsgi_app(environ, start_response)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1985, in wsgi_app
    response = self.handle_exception(e)
  File "/craton/lib/python3.5/site-packages/flask_restful/__init__.py", line 271, in error_router
    return original_handler(e)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1540, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/craton/lib/python3.5/site-packages/flask/_compat.py", line 32, in reraise
    raise value.with_traceback(tb)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1982, in wsgi_app
    response = self.full_dispatch_request()
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1614, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/craton/lib/python3.5/site-packages/flask_restful/__init__.py", line 271, in error_router
    return original_handler(e)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1517, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/craton/lib/python3.5/site-packages/flask/_compat.py", line 32, in reraise
    raise value.with_traceback(tb)
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1612, in full_dispatch_request
    rv = self.dispatch_request()
  File "/craton/lib/python3.5/site-packages/flask/app.py", line 1598, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/craton/lib/python3.5/site-packages/flask_restful/__init__.py", line 477, in wrapper
    resp = resource(*args, **kwargs)
  File "/craton/lib/python3.5/site-packages/flask/views.py", line 84, in view
    return self.dispatch_request(*args, **kwargs)
  File "/craton/lib/python3.5/site-packages/flask_restful/__init__.py", line 587, in dispatch_request
    resp = meth(*args, **kwargs)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 243, in wrapper
    resp = view(*args, **kwargs)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 234, in wrapper
    return view(*args, **kwargs)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 214, in wrapper
    result = validator.validate(value)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 193, in validate
    value = self.type_convert(value)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 189, in type_convert
    result[k] = fun(values)
  File "/craton/lib/python3.5/site-packages/craton/api/v1/validators.py", line 169, in <lambda>
    'integer': lambda v: int(v[0]),
ValueError: invalid literal for int() with base 10: 'b9f10eca-66ac-4c27-9c13-9d01e65f96b4'

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/435599
Committed: https://git.openstack.org/cgit/openstack/craton/commit/?id=95c61074fbfe94570b9f8eac888f74a5cec1776f
Submitter: Jenkins
Branch: master

commit 95c61074fbfe94570b9f8eac888f74a5cec1776f
Author: Thomas Maddox <email address hidden>
Date: Fri Feb 17 21:22:15 2017 +0000

    Use String for Project ID in schema

    This patch sets the schema to accept a string
    for Project ID since it's actually a UUID

    Change-Id: Iad8733594ca83c3bc061017fd9eae6861f31ee5d
    Closes-Bug: 1665780