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tasks.py: remove format_disks, nixos_install, setup_secret

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This commit is contained in:
zowoq 2023-02-07 11:14:56 +10:00
parent 0d290748d3
commit 4673b5c485
1 changed files with 1 additions and 103 deletions

104
tasks.py
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@ -5,7 +5,7 @@ import os
import subprocess
import sys
from pathlib import Path
from typing import Any, List
from typing import List
from deploykit import DeployGroup, DeployHost
from invoke import task
@ -38,66 +38,6 @@ def deploy_nixos(hosts: List[DeployHost]) -> None:
g.run_function(deploy)
def sfdisk_json(host: DeployHost, dev: str) -> List[Any]:
out = host.run(f"sfdisk --json {dev}", stdout=subprocess.PIPE)
data = json.loads(out.stdout)
return data["partitiontable"]["partitions"]
def _format_disks(host: DeployHost, devices: List[str]) -> None:
assert (
len(devices) == 1 or len(devices) == 2
), "we only support single devices or mirror raids at the moment"
# format disk with as follow:
# - partition 1 will be the boot partition, needed for legacy (BIOS) boot
# - partition 2 is for boot partition
# - partition 3 takes up the rest of the space and is for the system
for device in devices:
host.run(
f"sgdisk -Z -n 1:2048:4095 -n 2:4096:+2G -N 3 -t 1:ef02 -t 2:8304 -t 3:8304 {device}"
)
# create mdadm raid for /boot with ext4
if len(devices) == 2:
boot_parts = []
root_parts = []
for dev in devices:
# use partuuids as they are more stable than device names
partitions = sfdisk_json(host, dev)
boot_parts.append(partitions[1]["node"])
root_parts.append(f"/dev/disk/by-partuuid/{partitions[2]['uuid'].lower()}")
host.run(
f"mdadm --create --verbose /dev/md127 --raid-devices=2 --level=1 {' '.join(boot_parts)}"
)
host.run(
f"zpool create zroot -O acltype=posixacl -O xattr=sa -O compression=lz4 mirror {' '.join(root_parts)}"
)
boot = "/dev/md127"
else:
partitions = sfdisk_json(host, devices[0])
boot = partitions[1]["node"]
uuid = partitions[2]["uuid"].lower()
root_part = f"/dev/disk/by-partuuid/{uuid}"
host.run(
f"zpool create zroot -O acltype=posixacl -O xattr=sa -O compression=lz4 -O atime=off {root_part}"
)
host.run("partprobe")
host.run(f"mkfs.ext4 -F {boot}")
# setup zfs dataset
host.run("zfs create -o mountpoint=none zroot/root")
host.run("zfs create -o mountpoint=legacy zroot/root/nixos")
host.run("zfs create -o mountpoint=legacy zroot/root/home")
## and finally mount
host.run("mount -t zfs zroot/root/nixos /mnt")
host.run("mkdir /mnt/home /mnt/boot")
host.run("mount -t zfs zroot/root/home /mnt/home")
host.run("mount -t ext4 /dev/md127 /mnt/boot")
@task
def update_hound_repos(c):
"""
@ -218,48 +158,6 @@ git commit --amend -m "${commit}" -m "Terraform updates:" -m "${diff}"
)
@task
def format_disks(c, hosts="", disks=""):
"""
Format disks with zfs, i.e.: inv format-disks --hosts build02 --disks /dev/nvme0n1,/dev/nvme1n1
"""
for h in get_hosts(hosts):
_format_disks(h, disks.split(","))
@task
def setup_secret(c, hosts=""):
"""
Setup SSH key and print age key for sops-nix
"""
for h in get_hosts(hosts):
h.run(
"install -m600 -D /etc/ssh/ssh_host_rsa_key /mnt/etc/ssh/ssh_host_rsa_key"
)
h.run(
"install -m600 -D /etc/ssh/ssh_host_ed25519_key /mnt/etc/ssh/ssh_host_ed25519_key"
)
print(h.host)
h.run(
"nix-shell -p ssh-to-age --run 'cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age'"
)
@task
def nixos_install(c, hosts=""):
"""
Run NixOS install
"""
for h in get_hosts(hosts):
h.run(
"nix-shell -p git --run 'git clone https://github.com/nix-community/infra && cd infra && nix-shell'"
)
hostname = h.host.replace(".nix-community.org", "")
h.run(
f"cd /root/infra && nixos-install --system $(nix-build -A {hostname}-system)"
)
def get_hosts(hosts: str) -> List[DeployHost]:
if hosts == "":
return [