forked from clan/clan-core
clan-cli: add --json
and --png
flags to machine install
Allow using `clan machines [machine] install` in conjunction with the `--json` and `--png` flags. Fixes #1180
This commit is contained in:
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f6cec3521a
@ -83,6 +83,7 @@ theme:
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features:
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- navigation.instant
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- navigation.tabs
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- content.code.annotate
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- content.code.copy
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- content.tabs.link
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icon:
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@ -45,13 +45,98 @@ ssh root@<your_target_machine_ip>
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**Finally deployment time!** Use the following command to build and deploy the image via SSH onto your machine.
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=== "**SSH access**"
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Replace `<target_host>` with the **target computers' ip address**:
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```bash
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clan machines install my-machine <target_host>
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```
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> Note: This may take a while for building and for the file transfer.
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!!!note
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Building and deploying time will depend on hardware and connection speed.
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=== "**Image Installer**"
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This method makes use of the image installers of [nixos-images](https://github.com/nix-community/nixos-images).
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See how to prepare the installer for use [here](./installer.md).
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The installer will randomly generate a password and local addresses on boot, then run ssh with these preconfigured.
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The installer shows it's deployment relevant information in two formats, a text form, as well as a QR code.
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???example "An example view of a booted installer."
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This is an example of the booted installer.
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```{ .bash .annotate }
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┌─────────────────────────────────────────────────────────────────────────────────────┐
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│ ┌───────────────────────────┐ │
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│ │███████████████████████████│ # This is the QR Code (1) │
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│ │██ ▄▄▄▄▄ █▀▄█▀█▀▄█ ▄▄▄▄▄ ██│ │
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│ │██ █ █ █▀▄▄▄█ ▀█ █ █ ██│ │
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│ │██ █▄▄▄█ █▀▄ ▀▄▄▄█ █▄▄▄█ ██│ │
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│ │██▄▄▄▄▄▄▄█▄▀ ▀▄▀▄█▄▄▄▄▄▄▄██│ │
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│ │███▀▀▀ █▄▄█ ▀▄ ▄▀▄█ ███│ │
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│ │██▄██▄▄█▄▄▀▀██▄▀ ▄▄▄ ▄▀█▀██│ │
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│ │██ ▄▄▄▄▄ █▄▄▄▄ █ █▄█ █▀ ███│ │
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│ │██ █ █ █ █ █ ▄▄▄ ▄▀▀ ██│ │
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│ │██ █▄▄▄█ █ ▄ ▄ ▄ ▀█ ▄███│ │
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│ │██▄▄▄▄▄▄▄█▄▄▄▄▄▄█▄▄▄▄▄█▄███│ │
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│ │███████████████████████████│ │
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│ └───────────────────────────┘ │
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│ ┌─────────────────────────────────────────────────────────────────────────────────┐ │
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│ │Root password: cheesy-capital-unwell # password (2) │ │
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│ │Local network addresses: │ │
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│ │enp1s0 UP 192.168.178.169/24 metric 1024 fe80::21e:6ff:fe45:3c92/64 │ │
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│ │enp2s0 DOWN │ │
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│ │wlan0 DOWN # connect to wlan (3) │ │
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│ │Onion address: 6evxy5yhzytwpnhc2vpscrbti3iktxdhpnf6yim6bbs25p4v6beemzyd.onion │ │
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│ │Multicast DNS: nixos-installer.local │ │
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│ └─────────────────────────────────────────────────────────────────────────────────┘ │
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│ Press 'Ctrl-C' for console access │
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│ │
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└─────────────────────────────────────────────────────────────────────────────────────┘
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```
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1. This is not an actual QR code, because it is displayed rather poorly on text sites.
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This would be the actual content of this specific QR code prettified:
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```json
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{
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"pass": "cheesy-capital-unwell",
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"tor": "6evxy5yhzytwpnhc2vpscrbti3iktxdhpnf6yim6bbs25p4v6beemzyd.onion",
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"addrs": [
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"2001:9e8:347:ca00:21e:6ff:fe45:3c92"
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]
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}
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```
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To generate the actual QR code, that would be displayed use:
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```shellSession
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echo '{"pass":"cheesy-capital-unwell","tor":"6evxy5yhzytwpnhc2vpscrbti3iktxdhpnf6yim6bbs25p4v6beemzyd.onion","addrs":["2001:9e8:347:ca00:21e:6ff:fe45:3c92"]}' | nix run nixpkgs#qrencode -- -s 2 -m 2 -t utf8
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```
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2. The root password for the installer medium.
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This password is autogenerated and meant to be easily typeable.
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3. See how to connect the installer medium to wlan [here](./installer.md#optional-connect-to-wifi).
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4. :man_raising_hand: I'm a code annotation! I can contain `code`, __formatted
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text__, images, ... basically anything that can be written in Markdown.
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!!!tip
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We recommend using KDE Connect for sharing the deployment information from the QR code with the deploying machine.
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The QR code can be used to deploy either with an image, that is decoded on the fly, or it's contained json information.
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With the path to a `json` string, or the string itself:
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```terminal
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clan machines install [MACHINE] --json [JSON]
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```
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With the path to an image containing the relevant QR code:
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```terminal
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clan machines install [MACHINE] --png [PATH]
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```
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!!! success
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@ -1,6 +1,8 @@
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import argparse
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import importlib
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import json
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import logging
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import os
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from dataclasses import dataclass
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from pathlib import Path
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from tempfile import TemporaryDirectory
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@ -9,12 +11,20 @@ from ..cmd import Log, run
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from ..facts.generate import generate_facts
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from ..machines.machines import Machine
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from ..nix import nix_shell
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from ..ssh.cli import is_ipv6, is_reachable, qrcode_scan
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log = logging.getLogger(__name__)
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class ClanError(Exception):
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pass
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def install_nixos(
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machine: Machine, kexec: str | None = None, debug: bool = False
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machine: Machine,
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kexec: str | None = None,
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debug: bool = False,
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password: str | None = None,
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) -> None:
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secret_facts_module = importlib.import_module(machine.secret_facts_module)
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log.info(f"installing {machine.name}")
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@ -36,6 +46,9 @@ def install_nixos(
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upload_dir.mkdir(parents=True)
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secret_facts_store.upload(upload_dir)
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if password:
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os.environ["SSHPASS"] = password
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cmd = [
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"nixos-anywhere",
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"--flake",
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@ -44,6 +57,14 @@ def install_nixos(
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"--extra-files",
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str(tmpdir),
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]
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if password:
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cmd += [
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"--env-password",
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"--ssh-option",
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"IdentitiesOnly=yes",
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]
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if machine.target_host.port:
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cmd += ["--ssh-port", str(machine.target_host.port)]
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if kexec:
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@ -69,16 +90,37 @@ class InstallOptions:
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kexec: str | None
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confirm: bool
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debug: bool
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json_ssh_deploy: dict[str, str] | None
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def install_command(args: argparse.Namespace) -> None:
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json_ssh_deploy = None
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if args.json:
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json_file = Path(args.json)
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if json_file.is_file():
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json_ssh_deploy = json.loads(json_file.read_text())
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else:
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json_ssh_deploy = json.loads(args.json)
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elif args.png:
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json_ssh_deploy = json.loads(qrcode_scan(args.png))
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if not json_ssh_deploy and not args.target_host:
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raise ClanError("No target host provided, please provide a target host.")
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if json_ssh_deploy:
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target_host = f"root@{find_reachable_host_from_deploy_json(json_ssh_deploy)}"
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password = json_ssh_deploy["pass"]
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else:
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target_host = args.target_host
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opts = InstallOptions(
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flake=args.flake,
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machine=args.machine,
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target_host=args.target_host,
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target_host=target_host,
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kexec=args.kexec,
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confirm=not args.yes,
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debug=args.debug,
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json_ssh_deploy=json_ssh_deploy,
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)
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machine = Machine(opts.machine, flake=opts.flake)
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machine.target_host_address = opts.target_host
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@ -88,7 +130,27 @@ def install_command(args: argparse.Namespace) -> None:
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if ask != "y":
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return
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install_nixos(machine, kexec=opts.kexec, debug=opts.debug)
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install_nixos(machine, kexec=opts.kexec, debug=opts.debug, password=password)
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def find_reachable_host_from_deploy_json(deploy_json: dict[str, str]) -> str:
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host = None
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for addr in deploy_json["addrs"]:
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if is_reachable(addr):
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if is_ipv6(addr):
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host = f"[{addr}]"
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else:
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host = addr
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break
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if not host:
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raise ClanError(
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f"""
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Could not reach any of the host addresses provided in the json string.
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Please doublecheck if they are reachable from your machine.
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Try `ping [ADDR]` with one of the addresses: {deploy_json['addrs']}
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"""
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)
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return host
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def register_install_parser(parser: argparse.ArgumentParser) -> None:
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@ -117,6 +179,18 @@ def register_install_parser(parser: argparse.ArgumentParser) -> None:
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parser.add_argument(
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"target_host",
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type=str,
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nargs="?",
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help="ssh address to install to in the form of user@host:2222",
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)
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group = parser.add_mutually_exclusive_group(required=False)
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group.add_argument(
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"-j",
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"--json",
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help="specify the json file for ssh data (generated by starting the clan installer)",
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)
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group.add_argument(
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"-P",
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"--png",
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help="specify the json file for ssh data as the qrcode image (generated by starting the clan installer)",
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)
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parser.set_defaults(func=install_command)
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@ -1,4 +1,5 @@
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import argparse
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import ipaddress
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import json
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import logging
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import socket
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@ -96,6 +97,13 @@ def connect_ssh_from_json(ssh_data: dict[str, str]) -> None:
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ssh(host=ssh_data["tor"], password=ssh_data["pass"], torify=True)
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def is_ipv6(ip: str) -> bool:
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try:
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return isinstance(ipaddress.ip_address(ip), ipaddress.IPv6Address)
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except ValueError:
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return False
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def main(args: argparse.Namespace) -> None:
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if args.json:
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json_file = Path(args.json)
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