'get_existing'

def get_existing(self):

    change = self.get_vrf()
    if change:
        if (self.state == 'present'):
            self.existing = dict()
        else:
            self.existing['vrf'] = self.vrf
            if self.description:
                self.existing['description'] = self.description
        self.changed = True
    else:
        if (self.state == 'absent'):
            self.existing = dict()
        else:
            self.existing['vrf'] = self.vrf
            if self.description:
                self.existing['description'] = self.description
        self.changed = False
