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# This file is part of cloud-init. See LICENSE file for license information.
import os
from cloudinit import sources
from cloudinit.sources import DataSourceEc2 as EC2
from cloudinit import util
DEF_MD_VERSION = "2016-01-01"
ALIYUN_PRODUCT = "Alibaba Cloud ECS"
class DataSourceAliYun(EC2.DataSourceEc2):
metadata_urls = ["http://100.100.100.200"]
def __init__(self, sys_cfg, distro, paths):
super(DataSourceAliYun, self).__init__(sys_cfg, distro, paths)
self.seed_dir = os.path.join(paths.seed_dir, "AliYun")
self.api_ver = DEF_MD_VERSION
def get_hostname(self, fqdn=False, _resolve_ip=False):
return self.metadata.get('hostname', 'localhost.localdomain')
def get_public_ssh_keys(self):
return parse_public_keys(self.metadata.get('public-keys', {}))
@property
def cloud_platform(self):
if self._cloud_platform is None:
if _is_aliyun():
self._cloud_platform = EC2.Platforms.ALIYUN
else:
self._cloud_platform = EC2.Platforms.NO_EC2_METADATA
return self._cloud_platform
def _is_aliyun():
return util.read_dmi_data('system-product-name') == ALIYUN_PRODUCT
def parse_public_keys(public_keys):
keys = []
for key_id, key_body in public_keys.items():
if isinstance(key_body, str):
keys.append(key_body.strip())
elif isinstance(key_body, list):
keys.extend(key_body)
elif isinstance(key_body, dict):
key = key_body.get('openssh-key', [])
if isinstance(key, str):
keys.append(key.strip())
elif isinstance(key, list):
keys.extend(key)
return keys
# Used to match classes to dependencies
datasources = [
(DataSourceAliYun, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)),
]
# Return a list of data sources that match this set of dependencies
def get_datasource_list(depends):
return sources.list_from_depends(depends, datasources)
# vi: ts=4 expandtab
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