import os
from keystoneclient.v3 import client
from oslo_config import cfg
from oslo_context import context
from castellan import key_manager
from castellan import options


def main():
    """Main module that establishes a connection to barbican my using the
       values parsed from a command file"""

    username = 'xxxx'
    password = 'xxxx'
    project_name = 'xxxx'
    auth_url = 'http://localhost:5000/v3'

    keystone_client = client.Client(username=username,
                                    password=password,
                                    project_name=project_name,
                                    auth_url=auth_url,
                                    project_domain_id='default')

    ctxt = context.RequestContext(auth_token=keystone_client.auth_token,
                                  tenant='xxxx')

    conf = cfg.ConfigOpts()


    conf(default_config_files=['/etc/castellan/castellan.conf'])
    # Create a key_manager that use the values in the configuration file
    manager = key_manager.API(configuration=conf)
    #The remaining code is sample castellan code that will try and store a key
    #using the values setup in the castellan file

    import pdb; pdb.set_trace()
    key_id = manager.create_key(context=ctxt, algorithm="AES", length=256)

    print "retrieving key"

    get_key = manager.get(ctxt, key_id)
    print "key retrieves is: {}".format(get_key.get_encoded())


if __name__ == "__main__":
    main()