def get_key(self, username):
"""
See :py:meth:`.base.KeyStore.get_key`.
"""
connection = Connection.create(ServerPool(self.primary, self.replicas),
user=self.user,
password=self.password)
with connection:
query = Query(connection, self.base_dn)
return next(
iter(query.filter(cn=username).one().get('sshPublicKey', [])),
None)
