def test_get_resources(self):
resources = [
{
'identifier': '1',
'name': 'pool-1',
},
{
'identifier': '2',
'name': 'pool-2',
},
]
response = mock.MagicMock(status_code=200)
response.json.return_value = resources
self.mock_request.return_value = response
self.assertCountEqual(self.client.get_resources('resource-pool'), [
Resource(identifier='1', name='pool-1'),
Resource(identifier='2', name='pool-2'),
])
self.assertThat(
self.mock_request,
MockCalledOnceWith('GET', 'https://rbac.example.com/api/'
'service/1.0/resources/resource-pool',
auth=mock.ANY,
cookies=mock.ANY,
json=None))
def test__rbacDifference(self):
service = self.make_service(sentinel.listener)
changes = [
RBACSync(action=RBAC_ACTION.UPDATE,
resource_id=1,
resource_name='r-1'),
RBACSync(action=RBAC_ACTION.ADD,
resource_id=2,
resource_name='r-2'),
RBACSync(action=RBAC_ACTION.UPDATE,
resource_id=3,
resource_name='r-3'),
RBACSync(action=RBAC_ACTION.REMOVE,
resource_id=1,
resource_name='r-1'),
RBACSync(action=RBAC_ACTION.UPDATE,
resource_id=3,
resource_name='r-3-updated'),
RBACSync(action=RBAC_ACTION.ADD,
resource_id=4,
resource_name='r-4'),
RBACSync(action=RBAC_ACTION.REMOVE,
resource_id=4,
resource_name='r-4'),
]
self.assertEquals(([
Resource(identifier=2, name='r-2'),
Resource(identifier=3, name='r-3-updated'),
], {
1,
}), service._rbacDifference(changes))
def test_get_resources(self):
resources = [
{
"identifier": "1",
"name": "pool-1"
},
{
"identifier": "2",
"name": "pool-2"
},
]
response = mock.MagicMock(status_code=200)
response.json.return_value = resources
self.mock_request.return_value = response
self.assertCountEqual(
self.client.get_resources("resource-pool"),
[
Resource(identifier="1", name="pool-1"),
Resource(identifier="2", name="pool-2"),
],
)
self.assertThat(
self.mock_request,
MockCalledOnceWith(
"GET",
"https://rbac.example.com/api/"
"service/v1/resources/resource-pool",
auth=mock.ANY,
cookies=mock.ANY,
json=None,
),
)
def test_update_resources(self):
updates = [
Resource(identifier='1', name='pool-1'),
Resource(identifier='2', name='pool-2'),
]
removals = [11, 22, 33]
json = {
'last-sync-id': 'a-b-c',
'updates': [
{
'identifier': '1',
'name': 'pool-1',
},
{
'identifier': '2',
'name': 'pool-2',
},
],
'removals': ['11', '22', '33']
}
response = mock.MagicMock(status_code=200)
response.json.return_value = {'sync-id': 'x-y-z'}
self.mock_request.return_value = response
sync_id = self.client.update_resources(
'resource-pool', updates=updates, removals=removals,
last_sync_id='a-b-c')
self.assertEqual(sync_id, 'x-y-z')
self.assertThat(
self.mock_request,
MockCalledOnceWith(
'POST',
'https://rbac.example.com/api/'
'service/1.0/resources/resource-pool',
auth=mock.ANY, cookies=mock.ANY, json=json))
def test_update_resources_no_sync_id(self):
updates = [
Resource(identifier="1", name="pool-1"),
Resource(identifier="2", name="pool-2"),
]
removals = [11, 22, 33]
# removals are ignored
json = {
"last-sync-id": None,
"updates": [
{"identifier": "1", "name": "pool-1"},
{"identifier": "2", "name": "pool-2"},
],
"removals": [],
}
response = mock.MagicMock(status_code=200)
response.json.return_value = {"sync-id": "x-y-z"}
self.mock_request.return_value = response
sync_id = self.client.update_resources(
"resource-pool", updates=updates, removals=removals
)
self.assertEqual(sync_id, "x-y-z")
self.assertThat(
self.mock_request,
MockCalledOnceWith(
"POST",
"https://rbac.example.com/api/"
"service/v1/resources/resource-pool",
auth=mock.ANY,
cookies=mock.ANY,
json=json,
),
)
def test_update_resources_sync_conflict(self):
updates = [
Resource(identifier='1', name='pool-1'),
Resource(identifier='2', name='pool-2'),
]
removals = [11, 22, 33]
response = mock.MagicMock(status_code=int(http.client.CONFLICT))
response.json.return_value = {'sync-id': 'x-y-z'}
self.mock_request.return_value = response
self.assertRaises(SyncConflictError,
self.client.update_resources,
'resource-pool',
updates=updates,
removals=removals,
last_sync_id='a-b-c')
def _rbacDifference(self, changes):
"""Return the only the changes that need to be pushed to RBAC."""
# Removals are calculated first. A removal is never followed by an
# update and `resource_id` is never re-used.
removals = set(change.resource_id for change in changes
if change.action == RBAC_ACTION.REMOVE)
# Changes are ordered from oldest to lates. The latest change will
# be the last item of that `resource_id` in the dictionary.
updates = {
change.resource_id: change.resource_name
for change in changes if (change.resource_id not in removals
and change.action != RBAC_ACTION.REMOVE)
}
# Any additions with also a removal is not sync to RBAC.
for change in changes:
if change.action == RBAC_ACTION.ADD:
if change.resource_id in removals:
removals.remove(change.resource_id)
return (
sorted(
[
Resource(identifier=res_id, name=res_name)
for res_id, res_name in updates.items()
],
key=attrgetter("identifier"),
),
removals,
)
def make_resource_pools(self):
rpools = [factory.make_ResourcePool() for _ in range(3)]
return rpools, sorted([
Resource(identifier=rpool.id, name=rpool.name)
for rpool in ResourcePool.objects.all()
],
key=attrgetter('identifier'))
def test_update_resources_sync_conflict(self):
updates = [
Resource(identifier="1", name="pool-1"),
Resource(identifier="2", name="pool-2"),
]
removals = [11, 22, 33]
response = mock.MagicMock(status_code=int(http.client.CONFLICT))
response.json.return_value = {"sync-id": "x-y-z"}
self.mock_request.return_value = response
self.assertRaises(
SyncConflictError,
self.client.update_resources,
"resource-pool",
updates=updates,
removals=removals,
last_sync_id="a-b-c",
)
def _rbacSync(self):
"""Sync the RBAC information."""
changes = RBACSync.objects.changes()
if not changes and self.rbacInit:
# Nothing has changed, meaning another region already took care
# of performing the update.
return None
client = self._getRBACClient()
if client is None:
# RBAC is disabled, do nothing.
RBACSync.objects.clear() # Changes not needed, RBAC disabled.
return None
# XXX blake_r 2018-10-04 - This can be smarter by looking at the action
# and resource_type information in the changes and include the
# last_sync_id in the request, to only update what changed.
resources = [
Resource(identifier=rpool.id, name=rpool.name)
for rpool in ResourcePool.objects.all()
]
new_sync_id = client.update_resources('resource-pool',
updates=resources)
RBACLastSync.objects.update_or_create(
resource_type='resource-pool', defaults={'sync_id': new_sync_id})
if not self.rbacInit:
# This was initial sync on start-up.
RBACSync.objects.clear()
return []
# Return the changes and clear the table, so new changes will be
# tracked. Being inside a transaction allows us not to worry about
# a new change already existing with the clear.
changes = [change.source for change in changes]
RBACSync.objects.clear()
return changes
def _rbacSync(self):
"""Sync the RBAC information."""
# Currently this whole method is scoped to dealing with
# 'resource-pool'. As more items are synced to RBAC this
# will need to be adjusted to handle multiple.
changes = RBACSync.objects.changes('resource-pool')
if not changes and self.rbacInit:
# Nothing has changed, meaning another region already took care
# of performing the update.
return None
client = self._getRBACClient()
if client is None:
# RBAC is disabled, do nothing.
RBACSync.objects.clear('resource-pool') # Changes not needed.
return None
# Push the resource information based on the last sync.
new_sync_id = None
try:
last_sync = RBACLastSync.objects.get(resource_type='resource-pool')
except RBACLastSync.DoesNotExist:
last_sync = None
if last_sync is None or self._rbacNeedsFull(changes):
# First sync or requires a full sync.
resources = [
Resource(identifier=rpool.id, name=rpool.name)
for rpool in ResourcePool.objects.order_by('id')
]
new_sync_id = client.update_resources('resource-pool',
updates=resources)
else:
# Send only the difference of what has been changed.
updates, removals = self._rbacDifference(changes)
if updates or removals:
try:
new_sync_id = client.update_resources(
'resource-pool',
updates=updates,
removals=removals,
last_sync_id=last_sync.sync_id)
except SyncConflictError:
# Issue occurred syncing, push all information.
resources = [
Resource(identifier=rpool.id, name=rpool.name)
for rpool in ResourcePool.objects.order_by('id')
]
new_sync_id = client.update_resources('resource-pool',
updates=resources)
if new_sync_id:
RBACLastSync.objects.update_or_create(
resource_type='resource-pool',
defaults={'sync_id': new_sync_id})
if not self.rbacInit:
# This was initial sync on start-up.
RBACSync.objects.clear('resource-pool')
return []
# Return the changes and clear the table, so new changes will be
# tracked. Being inside a transaction allows us not to worry about
# a new change already existing with the clear.
changes = [change.source for change in changes]
RBACSync.objects.clear('resource-pool')
return changes
def make_resource_pools(self):
rpools = [factory.make_ResourcePool() for _ in range(3)]
return rpools, [
Resource(identifier=rpool.id, name=rpool.name)
for rpool in ResourcePool.objects.all()
]
