How to install Cozystack in Hetzner
⚠️ Secure Boot is currently not supported.
If your server configured to use Secure Boot, you need to disable this feature in your BIOS. Otherwise, it will block the server from booting after Talos Linux installation.
# mokutil --sb-state
SecureBoot disabled
Platform is in Setup Mode
Switch your server into rescue mode
Login to the server using SSH
Check Disks:
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
nvme0n1 259:4 0 476.9G 0 disk
nvme1n1 259:0 0 476.9G 0 disk
Wipe disks
sfdisk /dev/nvme0n1 --delete
sfdisk /dev/nvme1n1 --delete
wipefs -a /dev/nvme0n1
wipefs -a /dev/nvme1n1
Set environment variable:
DISK=$(lsblk -dn -o NAME,SIZE,TYPE -e 1,7,11,14,15 | sort | sed -n 1p | awk '{print $1}')
echo "DISK=$DISK"
Download Talos Linux asset from the Cozystack’s releases page, and write it into disk:
cd /tmp
wget https://github.com/aenix-io/cozystack/releases/latest/download/nocloud-amd64.raw.xz
xz -d -c /tmp/nocloud-amd64.raw.xz | dd of="/dev/$DISK" bs=4M oflag=sync
Resize the partition table and prepare additional partition for the cloud-init data:
# resize gpt partition
sgdisk -e "/dev/$DISK"
# Create 20MB partition in the end of disk
end=$(sgdisk -E "/dev/$DISK")
sgdisk -n7:$(( $end - 40960 )):$end -t7:ef00 "/dev/$DISK"
# Create FAT filesystem for cloud-init and mount it
PARTITION=$(sfdisk -d "/dev/$DISK" | awk 'END{print $1}' | awk -F/ '{print $NF}')
mkfs.vfat -n CIDATA "/dev/$PARTITION"
mount "/dev/$PARTITION" /mnt
Set environment variables:
INTERFACE_NAME=$(udevadm info -q property /sys/class/net/eth0 | grep "ID_NET_NAME_PATH=" | cut -d'=' -f2)
IP_CIDR=$(ip addr show eth0 | grep "inet\b" | awk '{print $2}')
GATEWAY=$(ip route | grep default | awk '{print $3}')
echo "INTERFACE_NAME=$INTERFACE_NAME"
echo "IP_CIDR=$IP_CIDR"
echo "GATEWAY=$GATEWAY"
Write cloud-init configuration:
echo 'local-hostname: talos' > /mnt/meta-data
echo '#cloud-config' > /mnt/user-data
cat > /mnt/network-config <<EOT
version: 2
ethernets:
$INTERFACE_NAME:
dhcp4: false
addresses:
- "${IP_CIDR}"
gateway4: "${GATEWAY}"
nameservers:
addresses: [8.8.8.8]
EOT
Edit network-config and specify your network settings using network-config-format-v2.
Cloud-init configuration example when using Hetzner vSwitch with the VLAN ID 4000.
echo 'local-hostname: talos' > /mnt/meta-data
echo '#cloud-config' > /mnt/user-data
cat > /mnt/network-config <<EOT
version: 2
ethernets:
$INTERFACE_NAME:
dhcp4: false
addresses:
- "${IP_CIDR}"
gateway4: "${GATEWAY}"
nameservers:
addresses: [8.8.8.8]
vlans:
vlan4000:
id: 4000
link: $INTERFACE_NAME
mtu: 1400
dhcp4: false
addresses:
- "10.3.3.101/24"
routes:
- to: 10.3.0.0/16
via: 10.3.3.1
EOT
You can find more comprehensive example under the link
Umount cloud-init partition, sync changes, and reboot the server
umount /mnt
sync
reboot
Now, when it is booted to Talos Linux maintenance mode, you can use talos-bootstrap or Talm to bootstrap the cluster
Just follow Get Started guide starting from the Bootstrap cluster section, to continue the installation.
$DISK.