openstack/openstacksdk
Code Issues Proposed changes

Defer all endpoint discovery to keystoneauth

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keystoneauth has support for service type aliases and version discovery.
Stop doing it locally and just pass data to keystoneauth.

Depends-On: https://review.openstack.org/567602
Change-Id: If60d02a8216ca0719fa628431515a0c3b37bf607
This commit is contained in:
Monty Taylor 2018-04-26 07:39:59 -05:00
parent c9daa593ac
commit 9c774d2959
No known key found for this signature in database
GPG Key ID: 7BAE94BC7141A594
11 changed files with 52 additions and 85 deletions
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2
lower-constraints.txt
View File

@ -13,7 +13,7 @@ jmespath==0.9.0
jsonpatch==1.16
jsonpointer==1.13
jsonschema==2.6.0
keystoneauth1==3.4.0
keystoneauth1==3.6.0
linecache2==1.0.0
mock==2.0.0
mox3==0.20.0

3
openstack/block_storage/block_storage_service.py
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@ -21,4 +21,5 @@ class BlockStorageService(service_filter.ServiceFilter):
def __init__(self, version=None):
"""Create a block storage service."""
super(BlockStorageService, self).__init__(
service_type='volume', version=version, requires_project_id=True)
service_type='block-storage',
version=version, requires_project_id=True)

7
openstack/cloud/openstackcloud.py
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@ -603,9 +603,10 @@ class OpenStackCloud(_normalize.Normalizer):
@property
def _volume_client(self):
if 'volume' not in self._raw_clients:
self._raw_clients['volume'] = self._get_raw_client('volume')
return self._raw_clients['volume']
if 'block-storage' not in self._raw_clients:
client = self._get_raw_client('block-storage')
self._raw_clients['block-storage'] = client
return self._raw_clients['block-storage']
def pprint(self, resource):
"""Wrapper aroud pprint that groks munch objects"""

89
openstack/config/cloud_region.py
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@ -13,7 +13,6 @@
# under the License.
import copy
import math
import warnings
from keystoneauth1 import adapter
@ -199,26 +198,13 @@ class CloudRegion(object):
return self.config.get(key, None)
def get_service_type(self, service_type):
# People requesting 'volume' are doing so because os-client-config
# let them. What they want is block-storage, not explicitly the
# v1 of cinder. If someone actually wants v1, they'll have api_version
# set to 1, in which case block-storage will still work properly.
if service_type == 'volume':
service_type = 'block-storage'
key = _make_key('service_type', service_type)
# Cinder did an evil thing where they defined a second service
# type in the catalog. Of course, that's insane, so let's hide this
# atrocity from the as-yet-unsullied eyes of our users.
# Of course, if the user requests a volumev2, that structure should
# still work.
# What's even more amazing is that they did it AGAIN with cinder v3
# And then I learned that mistral copied it.
# TODO(shade) This should get removed when we have os-service-types
# alias support landed in keystoneauth.
if service_type in ('volume', 'block-storage'):
vol_ver = self.get_api_version('volume')
if vol_ver and vol_ver.startswith('2'):
service_type = 'volumev2'
elif vol_ver and vol_ver.startswith('3'):
service_type = 'volumev3'
elif service_type == 'workflow':
wk_ver = self.get_api_version(service_type)
if wk_ver and wk_ver.startswith('2'):
service_type = 'workflowv2'
return self.config.get(key, service_type)
def get_service_name(self, service_type):
@ -326,7 +312,7 @@ class CloudRegion(object):
def get_session_client(
self, service_key, version=None, constructor=adapter.Adapter,
**kwargs):
"""Return a prepped requests adapter for a given service.
"""Return a prepped keystoneauth Adapter for a given service.
This is useful for making direct requests calls against a
'mounted' endpoint. That is, if you do:
@ -353,17 +339,6 @@ class CloudRegion(object):
endpoint_override=self.get_endpoint(service_key),
**kwargs)
def _get_highest_endpoint(self, service_types, kwargs):
session = self.get_session()
for service_type in service_types:
kwargs['service_type'] = service_type
try:
# Return the highest version we find that matches
# the request
return session.get_endpoint(**kwargs)
except keystoneauth1.exceptions.catalog.EndpointNotFound:
pass
def get_session_endpoint(
self, service_key, min_version=None, max_version=None):
"""Return the endpoint from config or the catalog.
@ -380,38 +355,38 @@ class CloudRegion(object):
override_endpoint = self.get_endpoint(service_key)
if override_endpoint:
return override_endpoint
service_name = self.get_service_name(service_key)
interface = self.get_interface(service_key)
session = self.get_session()
# Do this as kwargs because of os-client-config unittest mocking
version_kwargs = {}
if min_version:
version_kwargs['min_version'] = min_version
if max_version:
version_kwargs['max_version'] = max_version
try:
# Return the highest version we find that matches
# the request
endpoint = session.get_endpoint(
service_type=service_key,
region_name=self.region_name,
interface=interface,
service_name=service_name,
**version_kwargs
)
except keystoneauth1.exceptions.catalog.EndpointNotFound:
endpoint = None
kwargs = {
'service_name': self.get_service_name(service_key),
'region_name': self.region_name
}
kwargs['interface'] = self.get_interface(service_key)
if service_key == 'volume' and not self.get_api_version('volume'):
# If we don't have a configured cinder version, we can't know
# to request a different service_type
min_version = float(min_version or 1)
max_version = float(max_version or 3)
min_major = math.trunc(float(min_version))
max_major = math.trunc(float(max_version))
versions = range(int(max_major) + 1, int(min_major), -1)
service_types = []
for version in versions:
if version == 1:
service_types.append('volume')
else:
service_types.append('volumev{v}'.format(v=version))
else:
service_types = [self.get_service_type(service_key)]
endpoint = self._get_highest_endpoint(service_types, kwargs)
if not endpoint:
self.log.warning(
"Keystone catalog entry not found ("
"service_type=%s,service_name=%s"
"interface=%s,region_name=%s)",
service_key,
kwargs['service_name'],
kwargs['interface'],
kwargs['region_name'])
service_name,
interface,
self.region_name,
)
return endpoint
def get_cache_expiration_time(self):

2
openstack/tests/unit/block_storage/test_block_storage_service.py
View File

@ -19,7 +19,7 @@ class TestBlockStorageService(base.TestCase):
def test_service(self):
sot = block_storage_service.BlockStorageService()
self.assertEqual("volume", sot.service_type)
self.assertEqual("block-storage", sot.service_type)
self.assertEqual("public", sot.interface)
self.assertIsNone(sot.region)
self.assertIsNone(sot.service_name)

2
openstack/tests/unit/block_storage/v2/test_snapshot.py
View File

@ -45,7 +45,7 @@ class TestSnapshot(base.TestCase):
self.assertEqual("snapshot", sot.resource_key)
self.assertEqual("snapshots", sot.resources_key)
self.assertEqual("/snapshots", sot.base_path)
self.assertEqual("volume", sot.service.service_type)
self.assertEqual("block-storage", sot.service.service_type)
self.assertTrue(sot.allow_get)
self.assertTrue(sot.allow_update)
self.assertTrue(sot.allow_create)

2
openstack/tests/unit/block_storage/v2/test_type.py
View File

@ -31,7 +31,7 @@ class TestType(base.TestCase):
self.assertEqual("volume_type", sot.resource_key)
self.assertEqual("volume_types", sot.resources_key)
self.assertEqual("/types", sot.base_path)
self.assertEqual("volume", sot.service.service_type)
self.assertEqual("block-storage", sot.service.service_type)
self.assertTrue(sot.allow_create)
self.assertTrue(sot.allow_get)
self.assertTrue(sot.allow_delete)

2
openstack/tests/unit/block_storage/v2/test_volume.py
View File

@ -68,7 +68,7 @@ class TestVolume(base.TestCase):
self.assertEqual("volume", sot.resource_key)
self.assertEqual("volumes", sot.resources_key)
self.assertEqual("/volumes", sot.base_path)
self.assertEqual("volume", sot.service.service_type)
self.assertEqual("block-storage", sot.service.service_type)
self.assertTrue(sot.allow_get)
self.assertTrue(sot.allow_create)
self.assertTrue(sot.allow_update)

19
openstack/tests/unit/config/test_cloud_config.py
View File

@ -143,32 +143,17 @@ class TestCloudRegion(base.TestCase):
self.assertEqual('mage', cc.get_service_type('image'))
self.assertEqual('compute', cc.get_service_type('compute'))
self.assertEqual('1', cc.get_api_version('volume'))
self.assertEqual('volume', cc.get_service_type('volume'))
self.assertEqual('block-storage', cc.get_service_type('volume'))
self.assertEqual('http://compute.example.com',
cc.get_endpoint('compute'))
self.assertIsNone(cc.get_endpoint('image'))
self.assertIsNone(cc.get_service_name('compute'))
self.assertEqual('locks', cc.get_service_name('identity'))
def test_volume_override(self):
cc = cloud_region.CloudRegion("test1", "region-al", fake_services_dict)
cc.config['volume_api_version'] = '2'
self.assertEqual('volumev2', cc.get_service_type('volume'))
def test_volume_override_v3(self):
cc = cloud_region.CloudRegion("test1", "region-al", fake_services_dict)
cc.config['volume_api_version'] = '3'
self.assertEqual('volumev3', cc.get_service_type('volume'))
def test_workflow_override_v2(self):
cc = cloud_region.CloudRegion("test1", "region-al", fake_services_dict)
cc.config['workflow_api_version'] = '2'
self.assertEqual('workflowv2', cc.get_service_type('workflow'))
def test_no_override(self):
"""Test no override happens when defaults are not configured"""
cc = cloud_region.CloudRegion("test1", "region-al", fake_services_dict)
self.assertEqual('volume', cc.get_service_type('volume'))
self.assertEqual('block-storage', cc.get_service_type('volume'))
self.assertEqual('workflow', cc.get_service_type('workflow'))
self.assertEqual('not-exist', cc.get_service_type('not-exist'))

5
releasenotes/notes/ksa-discovery-86a4ef00d85ea87f.yaml Normal file
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@ -0,0 +1,5 @@
---
other:
- |
All endpoint discovery logic is now handled by keystoneauth. There should
be no behavior differences.

2
requirements.txt
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@ -8,7 +8,7 @@ requestsexceptions>=1.2.0 # Apache-2.0
jsonpatch!=1.20,>=1.16 # BSD
six>=1.10.0 # MIT
os-service-types>=1.2.0 # Apache-2.0
keystoneauth1>=3.4.0 # Apache-2.0
keystoneauth1>=3.6.0 # Apache-2.0
deprecation>=1.0 # Apache-2.0
munch>=2.1.0 # MIT