Christian Manivong
b5c830acfe
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Follows napalm-device-types 3.0, which replaces GUEST_AGENT_PACKAGES /
GUEST_AGENT_RUNCMD with GUEST_AGENTS = {guest_os: (packages, runcmd)}.
VMware lists Linux with open-vm-tools, as before, and refuses any other
guest_os before anything is created: BSD guests on VMware are optional
for now (NetOrk/netork#801).
The NoCloud network-config moved to napalm-device-types
(`provisioning.network_config`), which Proxmox now uses as well; the seed
module's copy is gone, and the tests check that the generic one is used.
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
"""cloud-init's NoCloud seed: user-data, meta-data, network-config on an ISO.
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NoCloud rather than VMware's guestinfo datasource because it needs nothing in
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the guest: guestinfo is read through open-vm-tools, which a generic cloud
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image does not ship -- it is one of the things the user-data installs.
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"""
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from __future__ import annotations
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import io
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from typing import Any
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import pycdlib
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import yaml
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#: The volume label cloud-init's NoCloud datasource looks for.
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_LABEL = "cidata"
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def user_data(cloud_init_config: dict[str, Any], ssh_public_keys: list[str] | None) -> str:
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"""The ``#cloud-config`` document, with ``ssh_public_keys`` merged in."""
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config = dict(cloud_init_config)
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if ssh_public_keys:
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keys = list(config.get("ssh_authorized_keys") or [])
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keys += [k for k in ssh_public_keys if k not in keys]
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config["ssh_authorized_keys"] = keys
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return "#cloud-config\n" + yaml.safe_dump(config, sort_keys=False)
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def meta_data(hostname: str, instance_id: str) -> str:
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return yaml.safe_dump({"instance-id": instance_id, "local-hostname": hostname}, sort_keys=False)
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def nocloud_iso(user: str, meta: str, network: dict[str, Any] | None) -> bytes:
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"""An ISO 9660 image (Rock Ridge + Joliet) holding the seed files."""
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files = {"user-data": user, "meta-data": meta}
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if network is not None:
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files["network-config"] = yaml.safe_dump(network, sort_keys=False)
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iso = pycdlib.PyCdlib()
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iso.new(interchange_level=3, joliet=3, rock_ridge="1.09", vol_ident=_LABEL)
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for index, (name, content) in enumerate(files.items()):
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data = content.encode()
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iso.add_fp(
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io.BytesIO(data),
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len(data),
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f"/SEED{index}.;1",
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rr_name=name,
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joliet_path=f"/{name}",
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)
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out = io.BytesIO()
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iso.write_fp(out)
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iso.close()
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return out.getvalue()
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