remote_add_environment.py 文件源码

def add_diff_env_to_controller(differentiated_environment):
    """Add a differentiated environment remotely and bounce services.

    This function is used in:

     *  test/functional/test_environment_add.py

    Examine that example for further explanation.

    Given an appropriate host_string and password, this function:

    (0) halts services on a Neutron controller;
    (1) reconfigures the relevant files to add an "environment"
        service_provider;
    (2) restarts the services.

    (CRITICAL NOTE: The relevant credentials are hardcoded
    via the 'source keystonerc_testlab' line.
    NOT apropriate for use in a production environment.)
    """
    env.host_string = ''.join(
        [pytest.symbols.tenant_name,
         '@',
         pytest.symbols.controller_ip,
         ':22'])

    @hosts(env.host_string)
    def setup_env_oncontroller(diff_env):
        env.password = pytest.symbols.tenant_password
        execute(lambda: run('sudo ls -la'))

        # Stop existing agent
        execute(lambda: run('sudo systemctl stop f5-openstack-agent'))
        # Stop neutron server / f5_plugin
        execute(lambda: run('sudo systemctl stop neutron-server'))
        # Edit agent configuration to use new environment
        sedtempl = '''sed -i "s/^\(environment_prefix = \)\(.*\)$/\\1%s/"''' +\
                   ''' /etc/neutron/services/f5/f5-openstack-agent.ini'''
        sedstring = 'sudo ' + sedtempl % diff_env
        execute(lambda: run(sedstring))
        # Add diff env to neutron_lbaas.conf and installed Python package
        add_string = 'sudo add_f5agent_environment %s' % diff_env
        execute(lambda: run(add_string))
        # Start neutron-server / f5_plugin
        execute(lambda: run('sudo systemctl start neutron-server'))
        # Start existing agent
        execute(lambda: run('source keystonerc_testlab && '
                            'sudo systemctl start f5-openstack-agent'))

    setup_env_oncontroller(differentiated_environment)