def list_allocation_candidates(req):
"""GET a JSON object with a list of allocation requests and a JSON object
of provider summary objects
On success return a 200 and an application/json body representing
a collection of allocation requests and provider summaries
"""
context = req.environ['placement.context']
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
schema = _GET_SCHEMA_1_10
util.validate_query_params(req, schema)
requests = util.parse_qs_request_groups(req.GET)
try:
cands = rp_obj.AllocationCandidates.get_by_requests(context, requests)
except exception.ResourceClassNotFound as exc:
raise webob.exc.HTTPBadRequest(
_('Invalid resource class in resources parameter: %(error)s') %
{'error': exc})
response = req.response
trx_cands = _transform_allocation_candidates(cands, want_version)
json_data = jsonutils.dumps(trx_cands)
response.body = encodeutils.to_utf8(json_data)
response.content_type = 'application/json'
if want_version.matches((1, 15)):
response.cache_control = 'no-cache'
response.last_modified = timeutils.utcnow(with_timezone=True)
return response
def list_allocation_candidates(req):
"""GET a JSON object with a list of allocation requests and a JSON object
of provider summary objects
On success return a 200 and an application/json body representing
a collection of allocation requests and provider summaries
"""
context = req.environ['placement.context']
schema = _GET_SCHEMA_1_10
util.validate_query_params(req, schema)
requests = util.parse_qs_request_groups(req.GET)
try:
cands = rp_obj.AllocationCandidates.get_by_requests(context, requests)
except exception.ResourceClassNotFound as exc:
raise webob.exc.HTTPBadRequest(
_('Invalid resource class in resources parameter: %(error)s') %
{'error': exc})
response = req.response
trx_cands = _transform_allocation_candidates(cands)
json_data = jsonutils.dumps(trx_cands)
response.body = encodeutils.to_utf8(json_data)
response.content_type = 'application/json'
return response
def list_allocation_candidates(req):
"""GET a JSON object with a list of allocation requests and a JSON object
of provider summary objects
On success return a 200 and an application/json body representing
a collection of allocation requests and provider summaries
"""
context = req.environ['placement.context']
context.can(policies.LIST)
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
get_schema = schema.GET_SCHEMA_1_10
if want_version.matches((1, 25)):
get_schema = schema.GET_SCHEMA_1_25
elif want_version.matches((1, 21)):
get_schema = schema.GET_SCHEMA_1_21
elif want_version.matches((1, 17)):
get_schema = schema.GET_SCHEMA_1_17
elif want_version.matches((1, 16)):
get_schema = schema.GET_SCHEMA_1_16
util.validate_query_params(req, get_schema)
requests = util.parse_qs_request_groups(req)
limit = req.GET.getall('limit')
# JSONschema has already confirmed that limit has the form
# of an integer.
if limit:
limit = int(limit[0])
group_policy = req.GET.getall('group_policy') or None
# Schema ensures we get either "none" or "isolate"
if group_policy:
group_policy = group_policy[0]
else:
# group_policy is required if more than one numbered request group was
# specified.
if len([rg for rg in requests.values() if rg.use_same_provider]) > 1:
raise webob.exc.HTTPBadRequest(
_('The "group_policy" parameter is required when specifying '
'more than one "resources{N}" parameter.'))
try:
cands = rp_obj.AllocationCandidates.get_by_requests(
context, requests, limit=limit, group_policy=group_policy)
except exception.ResourceClassNotFound as exc:
raise webob.exc.HTTPBadRequest(
_('Invalid resource class in resources parameter: %(error)s') %
{'error': exc})
except exception.TraitNotFound as exc:
raise webob.exc.HTTPBadRequest(six.text_type(exc))
response = req.response
trx_cands = _transform_allocation_candidates(cands, requests, want_version)
json_data = jsonutils.dumps(trx_cands)
response.body = encodeutils.to_utf8(json_data)
response.content_type = 'application/json'
if want_version.matches((1, 15)):
response.cache_control = 'no-cache'
response.last_modified = timeutils.utcnow(with_timezone=True)
return response
def do_parse(qstring, version=(1, 18)):
"""Converts a querystring to a MultiDict, mimicking request.GET, and
runs parse_qs_request_groups on it.
"""
req = webob.Request.blank('?' + qstring)
mv_parsed = microversion_parse.Version(*version)
mv_parsed.max_version = microversion_parse.parse_version_string(
microversion.max_version_string())
mv_parsed.min_version = microversion_parse.parse_version_string(
microversion.min_version_string())
req.environ['placement.microversion'] = mv_parsed
return util.parse_qs_request_groups(req)
def do_parse(qstring, version=(1, 18)):
"""Converts a querystring to a MultiDict, mimicking request.GET, and
runs parse_qs_request_groups on it.
"""
req = webob.Request.blank('?' + qstring)
mv_parsed = microversion_parse.Version(*version)
mv_parsed.max_version = microversion_parse.parse_version_string(
microversion.max_version_string())
mv_parsed.min_version = microversion_parse.parse_version_string(
microversion.min_version_string())
req.environ['placement.microversion'] = mv_parsed
d = util.parse_qs_request_groups(req)
# Sort for easier testing
return [d[suff] for suff in sorted(d)]
def list_allocation_candidates(req):
"""GET a JSON object with a list of allocation requests and a JSON object
of provider summary objects
On success return a 200 and an application/json body representing
a collection of allocation requests and provider summaries
"""
context = req.environ['placement.context']
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
get_schema = schema.GET_SCHEMA_1_10
if want_version.matches((1, 21)):
get_schema = schema.GET_SCHEMA_1_21
elif want_version.matches((1, 17)):
get_schema = schema.GET_SCHEMA_1_17
elif want_version.matches((1, 16)):
get_schema = schema.GET_SCHEMA_1_16
util.validate_query_params(req, get_schema)
# Control whether we handle forbidden traits.
allow_forbidden = want_version.matches((1, 22))
requests = util.parse_qs_request_groups(
req.GET, allow_forbidden=allow_forbidden)
limit = req.GET.getall('limit')
# JSONschema has already confirmed that limit has the form
# of an integer.
if limit:
limit = int(limit[0])
try:
cands = rp_obj.AllocationCandidates.get_by_requests(context, requests,
limit)
except exception.ResourceClassNotFound as exc:
raise webob.exc.HTTPBadRequest(
_('Invalid resource class in resources parameter: %(error)s') %
{'error': exc})
except exception.TraitNotFound as exc:
raise webob.exc.HTTPBadRequest(six.text_type(exc))
response = req.response
trx_cands = _transform_allocation_candidates(cands, want_version)
json_data = jsonutils.dumps(trx_cands)
response.body = encodeutils.to_utf8(json_data)
response.content_type = 'application/json'
if want_version.matches((1, 15)):
response.cache_control = 'no-cache'
response.last_modified = timeutils.utcnow(with_timezone=True)
return response
def do_parse(qstring):
"""Converts a querystring to a MultiDict, mimicking request.GET, and
runs parse_qs_request_groups on it.
"""
return util.parse_qs_request_groups(
webob.multidict.MultiDict(urlparse.parse_qsl(qstring)))
