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# This file is part of cloud-init. See LICENSE file for license information.
from typing import List
from cloudinit import dmi, sources
from cloudinit.sources import DataSourceEc2 as EC2
from cloudinit.sources import DataSourceHostname
ALIYUN_PRODUCT = "Alibaba Cloud ECS"
class DataSourceAliYun(EC2.DataSourceEc2):
dsname = "AliYun"
metadata_urls = ["http://100.100.100.200"]
# The minimum supported metadata_version from the ec2 metadata apis
min_metadata_version = "2016-01-01"
extended_metadata_versions: List[str] = []
# Aliyun metadata server security enhanced mode overwrite
@property
def imdsv2_token_put_header(self):
return "X-aliyun-ecs-metadata-token"
def get_hostname(self, fqdn=False, resolve_ip=False, metadata_only=False):
hostname = self.metadata.get("hostname")
is_default = False
if hostname is None:
hostname = "localhost.localdomain"
is_default = True
return DataSourceHostname(hostname, is_default)
def get_public_ssh_keys(self):
return parse_public_keys(self.metadata.get("public-keys", {}))
def _get_cloud_name(self):
if _is_aliyun():
return EC2.CloudNames.ALIYUN
else:
return EC2.CloudNames.NO_EC2_METADATA
def _is_aliyun():
return dmi.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