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Add DeleteAttribute support to the client

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This change adds DeleteAttribute support to the ProxyKmipClient,
leveraging the new generic request capability in the underlying
KMIPProxy client. Going forward all new attribute support will
leverage the new request capability and older supported operations
will be migrated to use it as well, with the ultimate vision
being a final merger of the two client classes into one easy to
use architecture. New unit tests have been added to cover the new
client additions.

Partially implements #547
This commit is contained in:
Peter Hamilton
2019-11-15 16:17:05 -05:00
committed by Peter Hamilton
parent 77d5b32ea4
commit b045e08ce2
5 changed files with 414 additions and 0 deletions
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45
kmip/pie/client.py
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@@ -25,6 +25,8 @@ from kmip.core.factories import attributes
from kmip.core.attributes import CryptographicParameters
from kmip.core.attributes import DerivationParameters
from kmip.core.messages import payloads
from kmip.pie import exceptions
from kmip.pie import factory
from kmip.pie import objects as pobjects
@@ -386,6 +388,49 @@ class ProxyKmipClient(object):
message = result.result_message.value
raise exceptions.KmipOperationFailure(status, reason, message)
@is_connected
def delete_attribute(self, unique_identifier=None, **kwargs):
"""
Delete an attribute from a KMIP managed object.
Args:
unique_identifier (string): The ID of the managed object.
**kwargs (various): A placeholder for attribute values used to
identify the attribute to delete. For KMIP 1.0 - 1.4, the
supported parameters are:
attribute_name (string): The name of the attribute to
delete. Required.
attribute_index (int): The index of the attribute to
delete. Defaults to zero.
For KMIP 2.0+, the supported parameters are:
current_attribute (struct): A CurrentAttribute object
containing the attribute to delete. Required if the
attribute reference is not specified.
attribute_reference (struct): An AttributeReference
object containing the name of the attribute to
delete. Required if the current attribute is not
specified.
Returns:
string: The ID of the managed object the attribute was deleted
from.
struct: A Primitive object representing the deleted attribute.
Only returned if used for KMIP 1.0 - 1.4 messages.
"""
request_payload = payloads.DeleteAttributeRequestPayload(
unique_identifier=unique_identifier,
attribute_name=kwargs.get("attribute_name"),
attribute_index=kwargs.get("attribute_index"),
current_attribute=kwargs.get("current_attribute"),
attribute_reference=kwargs.get("attribute_reference")
)
response_payload = self.proxy.send_request_payload(
enums.Operation.DELETE_ATTRIBUTE,
request_payload
)
return response_payload.unique_identifier, response_payload.attribute
@is_connected
def register(self, managed_object):
"""