def _mount_disks(host: DeployHost, device: str) -> None:
host.run(f"zpool import -af")
# and finally mount
host.run(f"mount -t zfs zroot/root/nixos /mnt")
host.run(f"mkdir -p /mnt/home /mnt/boot")
host.run(f"mount -t zfs zroot/root/home /mnt/home")
host.run(f"mount /dev/disk/by-label/NIXOS_BOOT /mnt/boot")
def deploy(h: DeployHost) -> None:
h.run_local(
f"rsync {' --exclude '.join([''] + RSYNC_EXCLUDES)} -vaF --delete -e ssh . {h.user}@{h.host}:/etc/nixos"
)
# FIXME: build03 has itself as a builder and deadlocks building packages.
h.run(
f"nixos-rebuild switch --builders '' --option accept-flake-config true"
)
def deploy_homemanager(host: DeployHost) -> None:
host.run(
f"""sudo -u joerg zsh <<'EOF'
cd $HOME
source $HOME/.zshrc
homeshick pull
homeshick symlink
homeshick cd dotfiles
nix build --out-link $HOME/.hm-activate ".#hmConfigurations.{host.meta["flake_attr"]}.activation-script"
$HOME/.hm-activate/activate
EOF"""
)
def deploy(h: DeployHost) -> None:
h.run_local(
f"rsync --exclude=`git ls-files --exclude-standard -oi --directory` --exclude='.git/' -vaF --delete -e ssh . {h.user}@{h.host}:/etc/nixos",
)
flake_path = "/etc/nixos"
flake_attr = h.meta.get("flake_attr")
if flake_attr:
flake_path += "#" + flake_attr
target_host = h.meta.get("target_host", "localhost")
h.run(
f"nixos-rebuild switch --build-host localhost --target-host {target_host} --flake {flake_path}"
)
def deploy(h: DeployHost) -> None:
h.run_local(
f"rsync {' --exclude '.join([''] + RSYNC_EXCLUDES)} -vaF --delete -e ssh . {h.user}@{h.host}:/etc/nixos"
)
flake_path = "/etc/nixos"
flake_attr = h.meta.get("flake_attr")
if flake_attr:
flake_path += "#" + flake_attr
target_host = h.meta.get("target_host", "localhost")
h.run(
f"nixos-rebuild switch --build-host localhost --target-host {target_host} --flake {flake_path}"
)
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(f"partprobe")
host.run(f"mkfs.ext4 -F {boot}")
# setup zfs dataset
host.run(f"zfs create -o mountpoint=none zroot/root")
host.run(f"zfs create -o mountpoint=legacy zroot/root/nixos")
host.run(f"zfs create -o mountpoint=legacy zroot/root/home")
## and finally mount
host.run(f"mount -t zfs zroot/root/nixos /mnt")
host.run(f"mkdir /mnt/home /mnt/boot")
host.run(f"mount -t zfs zroot/root/home /mnt/home")
host.run(f"mount -t ext4 /dev/md127 /mnt/boot")
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, device: str) -> None:
# format disk with as follow:
# - partition 1 will be the boot partition
# - partition 2 takes up the rest of the space and is for the system
host.run(f"blkdiscard -f {device}")
host.run(f"sgdisk -Z -n 1:2048:+1G -N 2 -t 1:ef00 -t 2:8304 {device}")
partitions = sfdisk_json(host, device)
boot = partitions[0]["node"]
uuid = partitions[1]["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(f"partprobe")
host.run(f"mkfs.vfat {boot} -n NIXOS_BOOT")
# setup zfs dataset
host.run(f"zfs create -o mountpoint=none zroot/root")
host.run(f"zfs create -o mountpoint=none zroot/docker")
host.run(f"zfs create -o mountpoint=legacy zroot/root/nixos")
host.run(f"zfs create -o mountpoint=legacy zroot/root/home")