planetstack/openstack_observer/steps/sync_sliver_ips.py

import os
import base64
from django.db.models import F, Q
from planetstack.config import Config
from observer.openstacksyncstep import OpenStackSyncStep
from core.models.sliver import Sliver

class SyncSliverIps(OpenStackSyncStep):
    provides=[Sliver]
    requested_interval=0

    def fetch_pending(self, deleted):
        # Not supported yet
        if (deleted):
            return []
        slivers = Sliver.objects.filter(ip=None)
        return slivers

    def sync_record(self, sliver):
        driver = self.driver.client_driver(tenant=sliver.slice.name, 
                                           deployment=sliver.node.deployment.name)  
        servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
        if not servers:
            return
        server = servers[0]
        ips = server.addresses.get(sliver.slice.name, [])
        if not ips:
            return
        sliver.ip = ips[0]['addr']
        if sliver.ip:
            sliver.save()
            logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))