Synnefo

def fix_amqp_settings(backend_prefix):

    """Configure AMQP-specific settings

    Configure AMQP-specific settings based on backend_prefix.

    This function *must* be called later in settings.py, with

    BACKEND_PREFIX_ID as argument.

    """

    global BINDINGS, QUEUES, QUEUE_DEBUG, BINDINGS_DEBUG

    BINDINGS = []

    QUEUES = []

    prefix = backend_prefix.split('-')[0]

    QUEUE_GANETI_EVENTS_OP = "%s-events-op" % prefix

    QUEUE_GANETI_EVENTS_NET = "%s-events-net" % prefix

    QUEUE_CRON_CREDITS = "%s-credits" % prefix

    QUEUE_EMAIL = "%s-email" % prefix

    QUEUE_RECONC = "%s-reconciliation" % prefix

    if DEBUG is True:

        QUEUE_DEBUG = "debug"       # Debug queue, retrieves all messages

    QUEUES = (QUEUE_GANETI_EVENTS_OP, QUEUE_GANETI_EVENTS_NET,

              QUEUE_CRON_CREDITS, QUEUE_EMAIL, QUEUE_RECONC)

    if DEBUG is True:

        BINDINGS_DEBUG = [

        # Queue         # Exchange          # RouteKey  # Handler

        (QUEUE_DEBUG,   EXCHANGE_GANETI,    '#',        'dummy_proc'),

        (QUEUE_DEBUG,   EXCHANGE_CRON,      '#',        'dummy_proc'),

        (QUEUE_DEBUG,   EXCHANGE_API,       '#',        'dummy_proc'),

        ]

        QUEUES += (QUEUE_DEBUG,)

    # notifications of type "ganeti-op-status"

    DB_HANDLER_KEY_OP ='ganeti.%s.event.op' % prefix 

    # notifications of type "ganeti-net-status"

    DB_HANDLER_KEY_NET ='ganeti.%s.event.net' % prefix

    BINDINGS = [

    # Queue                     # Exchange          # RouteKey              # Handler

    (QUEUE_GANETI_EVENTS_OP,    EXCHANGE_GANETI,    DB_HANDLER_KEY_OP,    'update_db'),

    (QUEUE_GANETI_EVENTS_NET,   EXCHANGE_GANETI,    DB_HANDLER_KEY_NET,   'update_net'),

    (QUEUE_CRON_CREDITS,        EXCHANGE_CRON,      '*.credits.*',          'update_credits'),

    (QUEUE_EMAIL,               EXCHANGE_API,       '*.email.*',            'send_email'),

    (QUEUE_EMAIL,               EXCHANGE_CRON,      '*.email.*',            'send_email'),

    (QUEUE_RECONC,              EXCHANGE_CRON,      'reconciliation.*',     'trigger_status_update'),

    ]

# Fix up the AMQP-specific settings based on BACKEND_PREFIX_ID

# Make sure to call it again, if you modify it at some later point

fix_amqp_settings(BACKEND_PREFIX_ID)