from sfa.util.sfalogging import logger
from glance import client as glance_client
from novaclient.v1_1.client import Client
from sfa.util.config import Config


def parse_novarc(filename):
    opts = {}
    f = open(filename, 'r')
    for line in f:
        try:
            line = line.replace('export', '').strip()
            parts = line.split('=')
            if len(parts) > 1:
                value = parts[1].replace("\'", "")
                value = value.replace('\"', '') 
                opts[parts[0]] = value
        except:
            pass
    f.close()
    return opts


class GlanceClient:
    def __init__(self, config=None):
        if not config:
            config = Config()
        opts = parse_novarc(config.SFA_NOVA_NOVARC)

        self.client = glance_client.get_client(host='0.0.0.0',
                                               username=opts.get('OS_USERNAME'),
                                               password=opts.get('OS_PASSWORD'),
                                               tenant=opts.get('OS_TENANT_NAME'),
                                               auth_url=opts.get('OS_AUTH_URL'))

    def __getattr__(self, name):
        return getattr(self.client, name)


class NovaClient:
    def __init__(self, config=None):
        if not config:
            config = Config()
        opts = parse_novarc(config.SFA_NOVA_NOVARC)
        
        self.client = Client(username=opts.get('OS_USERNAME'),
                             api_key=opts.get('OS_PASSWORD'),
                             project_id=opts.get('OS_TENANT_NAME'),
                             auth_url=opts.get('OS_AUTH_URL'),
                             region_name='',
                             extensions=[],
                             service_type='compute',
                             service_name='',  
                            )
                              

    def __getattr__(self, name):
        return getattr(self.client, name)