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File Content: `akamai.py`

import re
from typing import Any, Dict, Optional, Union

from cloudinit import dmi

# dmi data can override
DMI_OVERRIDE_MAP = {
    "als": "allow_local_stage",
    "ais": "allow_init_stage",
    "dhcp": "allow_dhcp",
    "v4": "allow_ipv4",
    "v6": "allow_ipv6",
    "pmp": "preferred_mac_prefixes",
}


def get_dmi_config() -> Dict[str, Union[bool, str]]:
    """
    Parses flags from dmi data and updates self.ds_cfg accordingly
    """
    dmi_flags = dmi.read_dmi_data("baseboard-serial-number")
    ret: Dict[str, Any] = {}

    if not dmi_flags:
        return ret

    # parse the value into individual flags, then set them in our config
    # based on the short name lookup table
    for key, value, _ in re.findall(r"([a-z0-9]+)=(.*?)(;|$)", dmi_flags):
        if key in DMI_OVERRIDE_MAP:
            if value in "01":
                value = bool(int(value))
            elif key == "pmp":
                value = value.split(",")
            ret[DMI_OVERRIDE_MAP[key]] = value

    return ret


def is_on_akamai() -> bool:
    """
    Reads the BIOS vendor from dmi data to determine if we are running in the
    Akamai Connected Cloud.
    """
    vendor = dmi.read_dmi_data("system-manufacturer")
    return vendor in ("Linode", "Akamai")


def get_local_instance_id() -> Optional[str]:
    """
    Returns the instance id read from dmi data without requiring the metadata
    service to be reachable
    """
    return dmi.read_dmi_data("system-serial-number")

Name	Size	Permission
__pycache__	---	0755
vmware	---	0755
__init__.py	0 bytes	0644
akamai.py	1480 bytes	0644
azure.py	41364 bytes	0644
cloudsigma.py	2951 bytes	0644
digitalocean.py	6911 bytes	0644
ec2.py	8789 bytes	0644
hetzner.py	840 bytes	0644
netlink.py	11931 bytes	0644
openstack.py	27832 bytes	0644
upcloud.py	6634 bytes	0644
vultr.py	8146 bytes	0644

File Content: akamai.py

File Content: `akamai.py`