Initial commit: Hyprland 0.57 rice for Fedora 44
Dark minimalist setup for a sysadmin workstation: rounded blur windows with the DMS pink accent, keyboard-driven SSH hub (Mod+S), run-or-raise app binds, Alt+Tab window switching, OCR of screen regions, hotkey cheatsheet, DMS network-editor plugin and the systemd session target for portals. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Claude Sonnet 5.5
Executable
+326
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#!/usr/bin/env python3
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"""Helper for ssh-menu.sh: parse and edit ~/.ssh/config.
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Host metadata lives in comments directly above a `Host` line:
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# group: Proxmox
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# env: prod
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Host pm
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"""
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import os
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import re
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import shutil
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import socket
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import subprocess
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import sys
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import time
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import zlib
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from collections import Counter
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from concurrent.futures import ThreadPoolExecutor
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HOME = os.path.expanduser("~")
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CFG = os.path.join(HOME, ".ssh", "config")
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STATE = os.path.join(os.environ.get("XDG_STATE_HOME", HOME + "/.local/state"), "ssh-menu")
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HIST = os.path.join(STATE, "history")
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CACHE = os.path.join(STATE, "status.tsv")
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BACKUPS = os.path.join(STATE, "backups")
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os.makedirs(BACKUPS, exist_ok=True)
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G, R, Y, D, B, X = "\x1b[32m", "\x1b[31m", "\x1b[33m", "\x1b[2m", "\x1b[1;31m", "\x1b[0m"
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def read_lines():
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try:
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return open(CFG).read().split("\n")
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except FileNotFoundError:
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return []
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def backup():
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if os.path.exists(CFG):
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shutil.copy2(CFG, os.path.join(BACKUPS, "config-" + time.strftime("%Y%m%d-%H%M%S")))
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old = sorted(os.listdir(BACKUPS))[:-20]
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for f in old:
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os.remove(os.path.join(BACKUPS, f))
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def write_lines(lines):
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backup()
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text = "\n".join(lines)
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if not text.endswith("\n"):
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text += "\n"
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with open(CFG, "w") as f:
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f.write(text)
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os.chmod(CFG, 0o600)
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def parse():
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hosts, meta = [], {}
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for i, l in enumerate(read_lines()):
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m = re.match(r"^\s*#\s*(group|env|url)\s*:\s*(.+?)\s*$", l, re.I)
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if m:
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meta[m.group(1).lower()] = m.group(2)
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continue
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m = re.match(r"^\s*host\s+(.+?)\s*$", l, re.I)
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if m:
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for a in m.group(1).split():
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if not re.search(r"[*?!]", a):
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hosts.append(dict(alias=a, group=meta.get("group", ""), env=meta.get("env", ""), url=meta.get("url", ""), line=i + 1))
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meta = {}
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elif l.strip() == "" or not l.lstrip().startswith("#"):
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meta = {}
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return hosts
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def find(alias):
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return next((h for h in parse() if h["alias"] == alias), None)
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def resolve(alias):
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"""ssh -G -> dict(user, hostname, port, proxyjump, identity)"""
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info = dict(user="", hostname=alias, port="22", proxyjump="", identity="")
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try:
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out = subprocess.run(["ssh", "-G", alias], capture_output=True, text=True, timeout=3).stdout
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except Exception:
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return info
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ids = []
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for l in out.splitlines():
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k, _, v = l.partition(" ")
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if k == "user": info["user"] = v
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elif k == "hostname": info["hostname"] = v
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elif k == "port": info["port"] = v
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elif k == "proxyjump": info["proxyjump"] = v
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elif k == "identityfile": ids.append(os.path.expanduser(v))
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info["identity"] = next((p for p in ids if os.path.exists(p)), "")
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return info
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def probe(info):
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if info["proxyjump"]:
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return "jump"
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try:
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socket.create_connection((info["hostname"], int(info["port"])), timeout=0.6).close()
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return "up"
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except Exception:
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return "down"
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def addr(info):
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return f'{info["user"]}@{info["hostname"]}:{info["port"]}'
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def load_cache():
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c = {}
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try:
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for l in open(CACHE):
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a, ad, st = l.rstrip("\n").split("\t")
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c[a] = (ad, st)
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except Exception:
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pass
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return c
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def uses():
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try:
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return Counter(open(HIST).read().split())
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except FileNotFoundError:
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return Counter()
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PALETTE = [(248, 187, 217), (125, 207, 255), (158, 206, 106), (224, 175, 104), (187, 154, 247), (115, 218, 202)]
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def rgb(r, g, b, bold=False):
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return f"\x1b[{'1;' if bold else ''}38;2;{r};{g};{b}m"
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FIXED = {"proxmox": (248, 187, 217), "services": (125, 207, 255), "git": (158, 206, 106), "legacy": (130, 120, 125)}
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def group_color(name):
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if name.lower() in FIXED:
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return FIXED[name.lower()]
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return PALETTE[zlib.crc32(name.lower().encode()) % len(PALETTE)]
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def group_cell(name, width):
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if not name:
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return " " * width
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return rgb(*group_color(name)) + f"{name:<{width}}" + X
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def addr_cell(ad):
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"""user@host:port with the host highlighted and the rest dimmed"""
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m = re.match(r"^(.*)@(.*):(\d+)$", ad or "")
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if not m:
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return D + (ad or "") + X
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u, h, p = m.groups()
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return f"{rgb(120, 108, 112)}{u}@{X}{rgb(205, 195, 200)}{h}{X}{rgb(120, 108, 112)}" + ("" if p == "22" else f":{p}") + X
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def cmd_list(live):
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hosts = parse()
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cnt = uses()
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hosts.sort(key=lambda h: (-cnt.get(h["alias"], 0), h["alias"].lower()))
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if live:
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def work(h):
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i = resolve(h["alias"])
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return h["alias"], addr(i), probe(i)
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with ThreadPoolExecutor(32) as ex:
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rows = list(ex.map(work, hosts))
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with open(CACHE, "w") as f:
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for a, ad, st in rows:
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f.write(f"{a}\t{ad}\t{st}\n")
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cache = {a: (ad, st) for a, ad, st in rows}
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else:
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cache = load_cache()
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dots = {"up": G + "●" + X, "down": "\x1b[1;31m●" + X, "jump": Y + "●" + X}
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for h in hosts:
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ad, st = cache.get(h["alias"], ("", "?"))
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dot = dots.get(st, D + "·" + X)
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prod = rgb(255, 92, 108, bold=True) + "PROD" + X if h["env"].lower() == "prod" else " "
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print(f'{dot} {h["alias"]:<24} {group_cell(h["group"], 11)} {prod} {addr_cell(ad)}')
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def cmd_preview(alias):
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lab = lambda t: rgb(120, 108, 112) + f"{t:<7}" + X
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val = lambda t: rgb(235, 225, 230) + str(t) + X
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h = find(alias)
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if not h:
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print(f"{alias}\n\n{D}not in ~/.ssh/config:\nwill connect as typed{X}")
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return
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i = resolve(alias)
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st = probe(i)
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col = {"up": (120, 235, 90), "down": (255, 92, 108), "jump": (224, 175, 104)}[st]
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prod = " " + rgb(255, 92, 108, bold=True) + "PROD" + X if h["env"].lower() == "prod" else ""
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print(rgb(*col, bold=True) + "● " + alias + X + prod)
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print(f'{D}{addr(i)}{X}\n')
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if i["proxyjump"]:
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print(lab("via") + val(i["proxyjump"]))
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print(lab("key") + val(os.path.basename(i["identity"]) or "default / agent"))
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if h["group"]:
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print(lab("group") + rgb(*group_color(h["group"])) + h["group"] + X)
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if h["url"]:
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print(lab("web") + val(h["url"]))
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print(lab("used") + val(f'{uses().get(alias, 0)}x'))
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if st != "jump":
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try:
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out = subprocess.run(["ping", "-c1", "-W1", i["hostname"]], capture_output=True, text=True, timeout=2).stdout
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m = re.search(r"time=([\d.]+)", out)
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print(lab("ping") + (val(m.group(1) + " ms") if m else rgb(255, 92, 108) + "no reply" + X))
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except Exception:
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print(lab("ping") + "-")
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print(f"\n{D}~/.ssh/config:{h['line']}{X}")
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for l in read_lines()[h["line"] - 1:h["line"] + 12]:
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if l.strip() == "" or (re.match(r"^\s*host\s", l, re.I) and not l.lower().lstrip().startswith("host " + alias.lower())):
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break
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print(D + l + X)
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def host_index(lines, alias):
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for i, l in enumerate(lines):
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m = re.match(r"^\s*host\s+(.+?)\s*$", l, re.I)
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if m and alias in m.group(1).split():
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return i
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return -1
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def set_meta(alias, key, value):
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lines = read_lines()
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idx = host_index(lines, alias)
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if idx < 0:
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sys.exit(f"{alias}: not found")
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j = idx
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while j > 0 and lines[j - 1].lstrip().startswith("#"):
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j -= 1
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block = [l for l in lines[j:idx] if not re.match(rf"^\s*#\s*{key}\s*:", l, re.I)]
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if value:
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block.append(f"# {key}: {value}")
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lines[j:idx] = block
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write_lines(lines)
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def cmd_add(alias, hostname, user, port, jump, group, env, identity):
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if find(alias) or re.search(r"[\s*?!]", alias):
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sys.exit("bad or duplicate alias")
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lines = read_lines()
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while lines and lines[-1].strip() == "":
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lines.pop()
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lines.append("")
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if group: lines.append(f"# group: {group}")
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if env: lines.append(f"# env: {env}")
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lines.append(f"Host {alias}")
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lines.append(f" HostName {hostname or alias}")
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if user: lines.append(f" User {user}")
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if port and port != "22": lines.append(f" Port {port}")
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if jump: lines.append(f" ProxyJump {jump}")
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if identity:
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lines.append(f" IdentityFile {identity}")
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lines.append(" IdentitiesOnly yes")
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write_lines(lines)
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def cmd_run(cmd, hosts):
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"""Run cmd on all hosts in parallel; hosts with identical output are merged into one block."""
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def one(h):
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try:
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p = subprocess.run(["ssh", "-T", "-o", "BatchMode=yes", "-o", "ConnectTimeout=6", h, cmd],
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stdin=subprocess.DEVNULL, capture_output=True, text=True, timeout=60)
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return h, p.returncode, (p.stdout + p.stderr).rstrip("\n")
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except subprocess.TimeoutExpired:
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return h, -1, "timeout"
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except Exception as e:
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return h, -1, str(e)
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with ThreadPoolExecutor(16) as ex:
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res = list(ex.map(one, hosts))
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groups, order = {}, []
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for h, rc, out in res:
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k = (rc, out)
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if k not in groups:
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groups[k] = []
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order.append(k)
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groups[k].append(h)
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print(f"{D}$ {cmd}{X}\n")
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for rc, out in order:
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hs = groups[(rc, out)]
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note = "" if rc == 0 else f" {D}{'ssh error' if rc in (-1, 255) else f'exit {rc}'}{X}"
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print(f'{(G if rc == 0 else R)}●{X} {rgb(235, 225, 230, bold=True)}{", ".join(hs)}{X}{note}')
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for l in out.splitlines():
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print(" " + l)
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print()
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def url_default(alias):
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i, h = resolve(alias), find(alias)
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port = ""
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if h and h["group"].lower() == "proxmox":
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port = ":8007" if alias == "pbs" else ":8006"
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return f'https://{i["hostname"]}{port}'
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def main():
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a = sys.argv[1:]
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c = a[0] if a else "list"
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if c == "list": cmd_list(False)
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elif c == "live": cmd_list(True)
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elif c == "preview": cmd_preview(a[1])
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elif c == "addr":
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i = resolve(a[1]); print(addr(i), "jump" if i["proxyjump"] else "")
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elif c == "env":
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h = find(a[1]); print(h["env"] if h else "")
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elif c == "line":
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h = find(a[1]); print(h["line"] if h else 1)
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elif c == "groups":
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print("\n".join(sorted({h["group"] for h in parse() if h["group"]})))
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elif c == "url":
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h = find(a[1]); print(h["url"] if h else "")
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elif c == "url-default": print(url_default(a[1]))
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elif c == "run": cmd_run(a[1], a[2:])
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elif c == "has": sys.exit(0 if find(a[1]) else 1)
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elif c == "set": set_meta(a[1], a[2], a[3] if len(a) > 3 else "")
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elif c == "toggle-prod":
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h = find(a[1])
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if h: set_meta(a[1], "env", "" if h["env"].lower() == "prod" else "prod")
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elif c == "add": cmd_add(*a[1:9])
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main()
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Reference in New Issue
Block a user