anti
65e3ea6b08
Introduces DistroProfile catalog (9 distros: Debian, Ubuntu 20/22, Rocky 9, CentOS 7, Alpine, Fedora, Kali, Arch) with distro-styled hostname generation. Adds --distro and --randomize-distros CLI flags, a `decnet distros` listing command, and fixes composer.py which was ignoring per-decky base_image in favour of a hardcoded Debian constant. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
120 lines
3.3 KiB
Python
120 lines
3.3 KiB
Python
"""
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Distro profiles for DECNET deckies.
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Each profile maps a human-readable slug to a Docker image and OS metadata used
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to make deckies look like heterogeneous real machines on the LAN.
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"""
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import random
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from dataclasses import dataclass
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@dataclass(frozen=True)
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class DistroProfile:
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slug: str # CLI-facing identifier, e.g. "debian", "rocky9"
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image: str # Docker image tag
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display_name: str # Human-readable label shown in tables
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hostname_style: str # "generic" | "rhel" | "minimal" | "rolling"
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DISTROS: dict[str, DistroProfile] = {
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"debian": DistroProfile(
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slug="debian",
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image="debian:bookworm-slim",
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display_name="Debian 12 (Bookworm)",
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hostname_style="generic",
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),
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"ubuntu22": DistroProfile(
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slug="ubuntu22",
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image="ubuntu:22.04",
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display_name="Ubuntu 22.04 LTS (Jammy)",
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hostname_style="generic",
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),
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"ubuntu20": DistroProfile(
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slug="ubuntu20",
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image="ubuntu:20.04",
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display_name="Ubuntu 20.04 LTS (Focal)",
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hostname_style="generic",
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),
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"rocky9": DistroProfile(
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slug="rocky9",
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image="rockylinux:9-minimal",
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display_name="Rocky Linux 9",
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hostname_style="rhel",
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),
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"centos7": DistroProfile(
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slug="centos7",
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image="centos:7",
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display_name="CentOS 7",
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hostname_style="rhel",
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),
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"alpine": DistroProfile(
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slug="alpine",
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image="alpine:3.19",
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display_name="Alpine Linux 3.19",
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hostname_style="minimal",
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),
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"fedora": DistroProfile(
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slug="fedora",
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image="fedora:39",
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display_name="Fedora 39",
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hostname_style="rhel",
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),
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"kali": DistroProfile(
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slug="kali",
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image="kalilinux/kali-rolling",
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display_name="Kali Linux (Rolling)",
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hostname_style="rolling",
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),
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"arch": DistroProfile(
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slug="arch",
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image="archlinux:latest",
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display_name="Arch Linux",
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hostname_style="rolling",
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),
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}
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_NAME_WORDS = [
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"alpha", "bravo", "charlie", "delta", "echo",
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"foxtrot", "golf", "hotel", "india", "juliet",
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"kilo", "lima", "mike", "nova", "oscar",
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"prod", "web", "db", "mail", "proxy",
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"dev", "stage", "backup", "monitor", "files",
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]
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def random_hostname(distro_slug: str = "debian") -> str:
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"""Generate a plausible hostname for the given distro style."""
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profile = DISTROS.get(distro_slug)
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style = profile.hostname_style if profile else "generic"
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word = random.choice(_NAME_WORDS)
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num = random.randint(10, 99)
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if style == "rhel":
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# RHEL/CentOS/Fedora convention: word+num.localdomain
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return f"{word}{num}.localdomain"
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elif style == "minimal":
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return f"{word}-{num}"
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elif style == "rolling":
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# Kali/Arch: just a word, no suffix
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return f"{word}-{random.choice(_NAME_WORDS)}"
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else:
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# Debian/Ubuntu: SRV-WORD-nn
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return f"SRV-{word.upper()}-{num}"
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def get_distro(slug: str) -> DistroProfile:
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if slug not in DISTROS:
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raise ValueError(
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f"Unknown distro '{slug}'. Available: {', '.join(sorted(DISTROS))}"
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)
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return DISTROS[slug]
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def random_distro() -> DistroProfile:
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return random.choice(list(DISTROS.values()))
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def all_distros() -> dict[str, DistroProfile]:
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return dict(DISTROS)
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