def _matches_metadata(
*,
pattern: filters.MetaFilter, # from the handler
content: Mapping[str, str], # from the body
kwargs: MutableMapping[str, Any],
cause: causation.ResourceCause,
) -> bool:
for key, value in pattern.items():
if value is filters.MetaFilterToken.ABSENT and key not in content:
continue
elif value is filters.MetaFilterToken.PRESENT and key in content:
continue
elif value is None and key in content: # deprecated; warned in @kopf.on
continue
elif callable(value):
if not kwargs:
kwargs.update(invocation.build_kwargs(cause=cause))
if value(content.get(key, None), **kwargs):
continue
else:
return False
elif key not in content:
return False
elif value != content[key]:
return False
else:
continue
return True
def _matches_field_values(
handler: handlers.ResourceHandler,
cause: causation.ResourceCause,
kwargs: MutableMapping[str, Any],
) -> bool:
if not handler.field:
return True
if not kwargs:
kwargs.update(invocation.build_kwargs(cause=cause))
absent = _UNSET.token # or any other identifyable object
if isinstance(cause, causation.ResourceChangingCause):
# For on.update/on.field, so as for on.create/resume/delete for uniformity and simplicity:
old = dicts.resolve(cause.old, handler.field, absent)
new = dicts.resolve(cause.new, handler.field, absent)
values = [
new, old
] # keep "new" first, to avoid "old" callbacks if "new" works.
else:
# For event-watching, timers/daemons (could also work for on.create/resume/delete):
val = dicts.resolve(cause.body, handler.field, absent)
values = [val]
return ((handler.value is None and any(value is not absent
for value in values))
or (handler.value is filters.PRESENT and any(value is not absent
for value in values))
or (handler.value is filters.ABSENT and any(value is absent
for value in values))
or (callable(handler.value)
and any(handler.value(value, **kwargs) for value in values))
or (any(handler.value == value for value in values)))
def _matches_field_changes(
handler: handlers.ResourceHandler,
cause: causation.ResourceCause,
kwargs: MutableMapping[str, Any],
) -> bool:
if not isinstance(handler, handlers.ResourceChangingHandler):
return True
if not isinstance(cause, causation.ResourceChangingCause):
return True
if not handler.field:
return True
if not kwargs:
kwargs.update(invocation.build_kwargs(cause=cause))
absent = _UNSET.token # or any other identifyable object
old = dicts.resolve(cause.old, handler.field, absent)
new = dicts.resolve(cause.new, handler.field, absent)
return ((
not handler.field_needs_change
or old != new # ... or there IS a change.
) and ((handler.old is None) or
(handler.old is filters.ABSENT and old is absent) or
(handler.old is filters.PRESENT and old is not absent) or
(callable(handler.old) and handler.old(old, **kwargs)) or
(handler.old == old))
and ((handler.new is None) or
(handler.new is filters.ABSENT and new is absent) or
(handler.new is filters.PRESENT and new is not absent) or
(callable(handler.new) and handler.new(new, **kwargs)) or
(handler.new == new)))
def _matches_filter_callback(
handler: handlers.ResourceHandler,
cause: causation.ResourceCause,
) -> bool:
if not handler.when:
return True
return handler.when(**invocation.build_kwargs(cause=cause))
def test_resource_changing_kwargs(resource, indices):
body = {
'metadata': {
'uid': 'uid1',
'name': 'name1',
'namespace': 'ns1',
'labels': {
'l1': 'v1'
},
'annotations': {
'a1': 'v1'
}
},
'spec': {
'field': 'value'
},
'status': {
'info': 'payload'
}
}
cause = ResourceChangingCause(
logger=logging.getLogger('kopf.test.fake.logger'),
indices=indices,
resource=resource,
patch=Patch(),
initial=False,
reason=Reason.NOOP,
memo=Memo(),
body=Body(body),
diff=Diff([]),
old=BodyEssence(),
new=BodyEssence(),
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'logger', 'index1', 'index2', 'resource', 'patch',
'reason', 'memo', 'body', 'spec', 'status', 'meta', 'uid', 'name',
'namespace', 'labels', 'annotations', 'diff', 'old', 'new'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['resource'] is cause.resource
assert kwargs['index1'] is indices['index1']
assert kwargs['index2'] is indices['index2']
assert kwargs['reason'] is cause.reason
assert kwargs['logger'] is cause.logger
assert kwargs['patch'] is cause.patch
assert kwargs['memo'] is cause.memo
assert kwargs['diff'] is cause.diff
assert kwargs['old'] is cause.old
assert kwargs['new'] is cause.new
assert kwargs['body'] is cause.body
assert kwargs['spec'] is cause.body.spec
assert kwargs['meta'] is cause.body.metadata
assert kwargs['status'] is cause.body.status
assert kwargs['labels'] is cause.body.metadata.labels
assert kwargs['annotations'] is cause.body.metadata.annotations
assert kwargs['uid'] == cause.body.metadata.uid
assert kwargs['name'] == cause.body.metadata.name
assert kwargs['namespace'] == cause.body.metadata.namespace
def test_resource_watching_kwargs(resource, indices):
body = {
'metadata': {
'uid': 'uid1',
'name': 'name1',
'namespace': 'ns1',
'labels': {
'l1': 'v1'
},
'annotations': {
'a1': 'v1'
}
},
'spec': {
'field': 'value'
},
'status': {
'info': 'payload'
}
}
cause = ResourceWatchingCause(
logger=logging.getLogger('kopf.test.fake.logger'),
indices=indices,
resource=resource,
patch=Patch(),
memo=Memo(),
body=Body(body),
type='ADDED',
raw={
'type': 'ADDED',
'object': {}
},
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'logger', 'index1', 'index2', 'resource', 'patch',
'event', 'type', 'memo', 'body', 'spec', 'status', 'meta', 'uid',
'name', 'namespace', 'labels', 'annotations'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['resource'] is cause.resource
assert kwargs['index1'] is indices['index1']
assert kwargs['index2'] is indices['index2']
assert kwargs['logger'] is cause.logger
assert kwargs['patch'] is cause.patch
assert kwargs['event'] is cause.raw
assert kwargs['memo'] is cause.memo
assert kwargs['type'] is cause.type
assert kwargs['body'] is cause.body
assert kwargs['spec'] is cause.body.spec
assert kwargs['meta'] is cause.body.metadata
assert kwargs['status'] is cause.body.status
assert kwargs['labels'] is cause.body.metadata.labels
assert kwargs['annotations'] is cause.body.metadata.annotations
assert kwargs['uid'] == cause.body.metadata.uid
assert kwargs['name'] == cause.body.metadata.name
assert kwargs['namespace'] == cause.body.metadata.namespace
def _matches_filter_callback(
handler: handlers.ResourceHandler,
cause: causation.ResourceCause,
kwargs: MutableMapping[str, Any],
) -> bool:
if handler.when is None:
return True
if not kwargs:
kwargs.update(invocation.build_kwargs(cause=cause))
return handler.when(**kwargs)
def test_daemon_async_stopper(resource):
cause = DaemonCause(
logger=logging.getLogger('kopf.test.fake.logger'),
resource=resource,
patch=Patch(),
memo=Memo(),
body=Body({}),
stopper=DaemonStopper(),
)
kwargs = build_kwargs(cause=cause, _sync=False)
assert kwargs['stopped'] is cause.stopper.async_checker
def test_activity_kwargs(resource, activity):
cause = ActivityCause(
logger=logging.getLogger('kopf.test.fake.logger'),
activity=activity,
settings=OperatorSettings(),
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {'extrakwarg', 'logger', 'activity'}
assert kwargs['extrakwarg'] == 123
assert kwargs['logger'] is cause.logger
assert kwargs['activity'] is activity
def test_daemon_kwargs(resource, indices):
body = {
'metadata': {
'uid': 'uid1',
'name': 'name1',
'namespace': 'ns1',
'labels': {
'l1': 'v1'
},
'annotations': {
'a1': 'v1'
}
},
'spec': {
'field': 'value'
},
'status': {
'info': 'payload'
}
}
cause = DaemonCause(
logger=logging.getLogger('kopf.test.fake.logger'),
indices=indices,
resource=resource,
patch=Patch(),
memo=Memo(),
body=Body(body),
stopper=DaemonStopper(),
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'logger', 'index1', 'index2', 'resource', 'patch',
'memo', 'body', 'spec', 'status', 'meta', 'uid', 'name', 'namespace',
'labels', 'annotations'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['resource'] is cause.resource
assert kwargs['index1'] is indices['index1']
assert kwargs['index2'] is indices['index2']
assert kwargs['logger'] is cause.logger
assert kwargs['patch'] is cause.patch
assert kwargs['memo'] is cause.memo
assert kwargs['body'] is cause.body
assert kwargs['spec'] is cause.body.spec
assert kwargs['meta'] is cause.body.metadata
assert kwargs['status'] is cause.body.status
assert kwargs['labels'] is cause.body.metadata.labels
assert kwargs['annotations'] is cause.body.metadata.annotations
assert kwargs['uid'] == cause.body.metadata.uid
assert kwargs['name'] == cause.body.metadata.name
assert kwargs['namespace'] == cause.body.metadata.namespace
assert 'stopped' not in kwargs
def test_resource_spawning_kwargs(resource):
body = {
'metadata': {
'uid': 'uid1',
'name': 'name1',
'namespace': 'ns1',
'labels': {
'l1': 'v1'
},
'annotations': {
'a1': 'v1'
}
},
'spec': {
'field': 'value'
},
'status': {
'info': 'payload'
}
}
cause = ResourceSpawningCause(
logger=logging.getLogger('kopf.test.fake.logger'),
resource=resource,
patch=Patch(),
memo=Memo(),
body=Body(body),
reset=False,
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'logger', 'resource', 'patch', 'memo', 'body', 'spec',
'status', 'meta', 'uid', 'name', 'namespace', 'labels', 'annotations'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['resource'] is cause.resource
assert kwargs['logger'] is cause.logger
assert kwargs['patch'] is cause.patch
assert kwargs['memo'] is cause.memo
assert kwargs['body'] is cause.body
assert kwargs['spec'] is cause.body.spec
assert kwargs['meta'] is cause.body.metadata
assert kwargs['status'] is cause.body.status
assert kwargs['labels'] is cause.body.metadata.labels
assert kwargs['annotations'] is cause.body.metadata.annotations
assert kwargs['uid'] == cause.body.metadata.uid
assert kwargs['name'] == cause.body.metadata.name
assert kwargs['namespace'] == cause.body.metadata.namespace
def test_activity_kwargs(resource, activity, indices):
cause = ActivityCause(
memo=Memo(),
logger=logging.getLogger('kopf.test.fake.logger'),
indices=indices,
activity=activity,
settings=OperatorSettings(),
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'memo', 'logger', 'index1', 'index2', 'activity'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['index1'] is indices['index1']
assert kwargs['index2'] is indices['index2']
assert kwargs['logger'] is cause.logger
assert kwargs['activity'] is activity
async def execute_handlers_once(
lifecycle: lifecycles.LifeCycleFn,
settings: configuration.OperatorSettings,
handlers: Collection[handlers_.BaseHandler],
cause: causation.BaseCause,
state: states.State,
default_errors: handlers_.ErrorsMode = handlers_.ErrorsMode.TEMPORARY,
) -> Mapping[handlers_.HandlerId, states.HandlerOutcome]:
"""
Call the next handler(s) from the chain of the handlers.
Keep the record on the progression of the handlers in the object's state,
and use it on the next invocation to determined which handler(s) to call.
This routine is used both for the global handlers (via global registry),
and for the sub-handlers (via a simple registry of the current handler).
"""
# Filter and select the handlers to be executed right now, on this event reaction cycle.
handlers_todo = [h for h in handlers if state[h.id].awakened]
handlers_plan = lifecycle(
handlers_todo, **invocation.build_kwargs(cause=cause, state=state))
# Execute all planned (selected) handlers in one event reaction cycle, even if there are few.
outcomes: MutableMapping[handlers_.HandlerId, states.HandlerOutcome] = {}
for handler in handlers_plan:
outcome = await execute_handler_once(
settings=settings,
handler=handler,
state=state[handler.id],
cause=cause,
lifecycle=
lifecycle, # just a default for the sub-handlers, not used directly.
default_errors=default_errors,
)
outcomes[handler.id] = outcome
return outcomes
def test_resource_admission_kwargs(resource, indices):
body = {
'metadata': {
'uid': 'uid1',
'name': 'name1',
'namespace': 'ns1',
'labels': {
'l1': 'v1'
},
'annotations': {
'a1': 'v1'
}
},
'spec': {
'field': 'value'
},
'status': {
'info': 'payload'
}
}
cause = ResourceWebhookCause(
logger=logging.getLogger('kopf.test.fake.logger'),
indices=indices,
resource=resource,
patch=Patch(),
memo=Memo(),
body=Body(body),
dryrun=False,
headers={'k1': 'v1'},
sslpeer={'k2': 'v2'},
userinfo={'k3': 'v3'},
warnings=['w1'],
webhook=None,
reason=None,
operation=None,
)
kwargs = build_kwargs(cause=cause, extrakwarg=123)
assert set(kwargs) == {
'extrakwarg', 'logger', 'index1', 'index2', 'resource', 'dryrun',
'headers', 'sslpeer', 'userinfo', 'warnings', 'patch', 'memo', 'body',
'spec', 'status', 'meta', 'uid', 'name', 'namespace', 'labels',
'annotations'
}
assert kwargs['extrakwarg'] == 123
assert kwargs['resource'] is cause.resource
assert kwargs['index1'] is indices['index1']
assert kwargs['index2'] is indices['index2']
assert kwargs['logger'] is cause.logger
assert kwargs['dryrun'] is cause.dryrun
assert kwargs['headers'] is cause.headers
assert kwargs['sslpeer'] is cause.sslpeer
assert kwargs['userinfo'] is cause.userinfo
assert kwargs['warnings'] is cause.warnings
assert kwargs['patch'] is cause.patch
assert kwargs['memo'] is cause.memo
assert kwargs['body'] is cause.body
assert kwargs['spec'] is cause.body.spec
assert kwargs['meta'] is cause.body.metadata
assert kwargs['status'] is cause.body.status
assert kwargs['labels'] is cause.body.metadata.labels
assert kwargs['annotations'] is cause.body.metadata.annotations
assert kwargs['uid'] == cause.body.metadata.uid
assert kwargs['name'] == cause.body.metadata.name
assert kwargs['namespace'] == cause.body.metadata.namespace
