ec2driver.py 文件源码

python
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项目:omni 作者: openstack 项目源码 文件源码
def __init__(self, virtapi, read_only=False):
        super(EC2Driver, self).__init__(virtapi)
        self.host_status_base = {
            'vcpus': CONF.AWS.max_vcpus,
            'memory_mb': CONF.AWS.max_memory_mb,
            'local_gb': CONF.AWS.max_disk_gb,
            'vcpus_used': 0,
            'memory_mb_used': 0,
            'local_gb_used': 0,
            'hypervisor_type': 'EC2',
            'hypervisor_version': '1.0',
            'hypervisor_hostname': CONF.host,
            'cpu_info': {},
            'disk_available_least': CONF.AWS.max_disk_gb,
        }
        global _EC2_NODES
        self._mounts = {}
        self._interfaces = {}
        self._uuid_to_ec2_instance = {}
        self.ec2_flavor_info = EC2_FLAVOR_MAP
        aws_region = CONF.AWS.region_name
        aws_endpoint = "ec2." + aws_region + ".amazonaws.com"

        region = RegionInfo(name=aws_region, endpoint=aws_endpoint)
        self.ec2_conn = ec2.EC2Connection(
            aws_access_key_id=CONF.AWS.access_key,
            aws_secret_access_key=CONF.AWS.secret_key,
            region=region)

        self.cloudwatch_conn = cloudwatch.connect_to_region(
            aws_region, aws_access_key_id=CONF.AWS.access_key,
            aws_secret_access_key=CONF.AWS.secret_key)

        # Allow keypair deletion to be controlled by conf
        if CONF.AWS.enable_keypair_notifications:
            eventlet.spawn(KeyPairNotifications(self.ec2_conn).run)
        LOG.info("EC2 driver init with %s region" % aws_region)
        if _EC2_NODES is None:
            set_nodes([CONF.host])
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