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feat: pxe boot

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auricom
2021-04-18 03:22:42 +02:00
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# Opnsense | PXE
## Setting up TFTP
- Setup TFTP and network booting on DHCPv4 server
- Create an `nginx` location to file system `/var/lib/tftpboot`
- Create an nginx http server listening on 30080 TCP
- Enable `dnsmasq` in the Opnsense services settings (set port to `63`)
- Copy over `pxe.conf` to `/usr/local/etc/dnsmasq.conf.d/pxe.conf`
- SSH into opnsense and run the following commands...
```console
$ mkdir -p /var/lib/tftpboot/pxelinux/
$ curl https://releases.ubuntu.com/20.04/ubuntu-20.04.2-live-server-amd64.iso -o /var/lib/tftpboot/ubuntu-20.04.2-live-server-amd64.iso
$ mount -t cd9660 /dev/`mdconfig -f /var/lib/tftpboot/ubuntu-20.04.2-live-server-amd64.iso` /mnt
$ cp /mnt/casper/vmlinuz /var/lib/tftpboot/pxelinux/
$ cp /mnt/casper/initrd /var/lib/tftpboot/pxelinux/
$ umount /mnt
$ curl http://archive.ubuntu.com/ubuntu/dists/focal/main/uefi/grub2-amd64/current/grubnetx64.efi.signed -o /var/lib/tftpboot/pxelinux/pxelinux.0
```
- Copy `grub/grub.conf` into `/var/lib/tftpboot/grub/grub.conf`
- Copy `nodes/` into `/var/lib/tftpboot/nodes`
## PXE boot on bare-metal servers
Press F12 key during 15-20 seconds to enter PXE IPv4 boot option

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default=autoinstall
timeout=5
timeout_style=menu
menuentry "Focal Live Installer - automated" --id=autoinstall {
configfile /nodes/$net_default_mac.conf
}
menuentry "Focal Live Installer" --id=install {
echo "Loading Kernel..."
linux /pxelinux/vmlinuz ip=dhcp url=http://192.168.8.1:30080/ubuntu-20.04.2-live-server-amd64.iso
echo "Loading Ram Disk..."
initrd /pxelinux/initrd
}

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server/pxe/nodes/1c:69:7a:01:28:ae.conf Normal file
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default=autoinstall
timeout=5
timeout_style=menu
menuentry "k3s-worker3 Autoinstall" --id=autoinstall {
echo "Loading Kernel..."
# make sure to escape the ';'
linux /pxelinux/vmlinuz ip=dhcp url=http://192.168.8.1:30080/ubuntu-20.04.2-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://192.168.8.1:30080/nodes/k3s-worker1/
echo "Loading Ram Disk..."
initrd /pxelinux/initrd
}

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default=autoinstall
timeout=5
timeout_style=menu
menuentry "k3s-worker1 Autoinstall" --id=autoinstall {
echo "Loading Kernel..."
# make sure to escape the ';'
linux /pxelinux/vmlinuz ip=dhcp url=http://192.168.8.1:30080/ubuntu-20.04.2-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://192.168.8.1:30080/nodes/k3s-worker1/
echo "Loading Ram Disk..."
initrd /pxelinux/initrd
}

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server/pxe/nodes/1c:69:7a:0f:9f:ab.conf Normal file
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default=autoinstall
timeout=5
timeout_style=menu
menuentry "k3s-worker2 Autoinstall" --id=autoinstall {
echo "Loading Kernel..."
# make sure to escape the ';'
linux /pxelinux/vmlinuz ip=dhcp url=http://192.168.8.1:30080/ubuntu-20.04.2-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://192.168.8.1:30080/nodes/k3s-worker1/
echo "Loading Ram Disk..."
initrd /pxelinux/initrd
}

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default=autoinstall
timeout=5
timeout_style=menu
menuentry "k3s-server Autoinstall" --id=autoinstall {
echo "Loading Kernel..."
# make sure to escape the ';'
linux /pxelinux/vmlinuz ip=dhcp url=http://192.168.8.1:30080/ubuntu-20.04.2-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://192.168.8.1:30080/nodes/k3s-server/
echo "Loading Ram Disk..."
initrd /pxelinux/initrd
}

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instance-id: focal-autoinstall

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#cloud-config
autoinstall:
version: 1
refresh-installer:
update: true
apt:
geoip: true
preserve_sources_list: false
primary:
- arches: [amd64, i386]
uri: http://archive.ubuntu.com/ubuntu
- arches: [default]
uri: http://ports.ubuntu.com/ubuntu-ports
identity:
hostname: k3s-server
# mkpasswd --method=SHA-512 ubuntu
# python3 -c 'import crypt; print(crypt.crypt("ubuntu", crypt.mksalt(crypt.METHOD_SHA512)))'
password: $6$UKxMOUUjgoIasmuo$dgSyUpYzokiWNV7wZASBVfRXVrTQT5xmtxItqdQxfi86MI8Th/63iAcFLR97JAQXdBi0nV.pmZR.8uryF1SfG1
realname: Ubuntu
username: ubuntu
keyboard:
layout: fr
toggle: null
variant: ""
locale: en_US.UTF-8
network:
version: 2
ethernets:
eno1:
dhcp4: true
critical: true
dhcp-identifier: mac
ssh:
allow-pw: false
install-server: true
authorized-keys:
# claude-fixe-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINo7E0oAOzaq0XvUHkWvZSC8u1XxX8dDCq3bSyK2BCen claude@claude-fixe-fedora"
# claude-thinkpad-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL+GMHgvbtf6f7xUMAQR+vZFfD/mIIfIDNX5iP8tDRXZ claude@claude-thinkpad-fedora"
storage:
grub:
reorder_uefi: false
swap:
size: 0
config:
- id: root-disk-0
type: disk
path: /dev/sda
wipe: superblock-recursive
preserve: false
grub_device: false
name: ""
ptable: gpt
- id: root-partition-0
type: partition
device: root-disk-0
size: 512M
wipe: superblock
flag: boot
number: 1
preserve: false
grub_device: true
- id: root-format-0
type: format
fstype: fat32
volume: root-partition-0
preserve: false
- id: root-partition-1
type: partition
device: root-disk-0
size: -1
wipe: superblock
flag: ""
number: 2
preserve: false
- id: root-format-1
type: format
fstype: ext4
volume: root-partition-1
preserve: false
- id: root-mount-0
type: mount
device: root-format-0
path: /boot/efi
- id: root-mount-1
type: mount
device: root-format-1
path: /

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instance-id: focal-autoinstall

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#cloud-config
autoinstall:
version: 1
refresh-installer:
update: true
apt:
geoip: true
preserve_sources_list: false
primary:
- arches: [amd64, i386]
uri: http://archive.ubuntu.com/ubuntu
- arches: [default]
uri: http://ports.ubuntu.com/ubuntu-ports
identity:
hostname: k3s-worker1
# mkpasswd --method=SHA-512 ubuntu
# python3 -c 'import crypt; print(crypt.crypt("ubuntu", crypt.mksalt(crypt.METHOD_SHA512)))'
password: $6$UKxMOUUjgoIasmuo$dgSyUpYzokiWNV7wZASBVfRXVrTQT5xmtxItqdQxfi86MI8Th/63iAcFLR97JAQXdBi0nV.pmZR.8uryF1SfG1
realname: Ubuntu
username: ubuntu
keyboard:
layout: fr
toggle: null
variant: ""
locale: en_US.UTF-8
network:
version: 2
ethernets:
eno1:
dhcp4: true
critical: true
dhcp-identifier: mac
ssh:
allow-pw: false
install-server: true
authorized-keys:
# claude-fixe-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINo7E0oAOzaq0XvUHkWvZSC8u1XxX8dDCq3bSyK2BCen claude@claude-fixe-fedora"
# claude-thinkpad-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL+GMHgvbtf6f7xUMAQR+vZFfD/mIIfIDNX5iP8tDRXZ claude@claude-thinkpad-fedora"
storage:
grub:
reorder_uefi: false
swap:
size: 0
config:
- id: root-disk-0
type: disk
path: /dev/sda
wipe: superblock-recursive
preserve: false
grub_device: false
name: ""
ptable: gpt
- id: root-partition-0
type: partition
device: root-disk-0
size: 512M
wipe: superblock
flag: boot
number: 1
preserve: false
grub_device: true
- id: root-format-0
type: format
fstype: fat32
volume: root-partition-0
preserve: false
- id: root-partition-1
type: partition
device: root-disk-0
size: -1
wipe: superblock
flag: ""
number: 2
preserve: false
- id: root-format-1
type: format
fstype: ext4
volume: root-partition-1
preserve: false
- id: root-mount-0
type: mount
device: root-format-0
path: /boot/efi
- id: root-mount-1
type: mount
device: root-format-1
path: /

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instance-id: focal-autoinstall

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#cloud-config
autoinstall:
version: 1
refresh-installer:
update: true
apt:
geoip: true
preserve_sources_list: false
primary:
- arches: [amd64, i386]
uri: http://archive.ubuntu.com/ubuntu
- arches: [default]
uri: http://ports.ubuntu.com/ubuntu-ports
identity:
hostname: k3s-worker2
# mkpasswd --method=SHA-512 ubuntu
# python3 -c 'import crypt; print(crypt.crypt("ubuntu", crypt.mksalt(crypt.METHOD_SHA512)))'
password: $6$UKxMOUUjgoIasmuo$dgSyUpYzokiWNV7wZASBVfRXVrTQT5xmtxItqdQxfi86MI8Th/63iAcFLR97JAQXdBi0nV.pmZR.8uryF1SfG1
realname: Ubuntu
username: ubuntu
keyboard:
layout: fr
toggle: null
variant: ""
locale: en_US.UTF-8
network:
version: 2
ethernets:
eno1:
dhcp4: true
critical: true
dhcp-identifier: mac
ssh:
allow-pw: false
install-server: true
authorized-keys:
# claude-fixe-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINo7E0oAOzaq0XvUHkWvZSC8u1XxX8dDCq3bSyK2BCen claude@claude-fixe-fedora"
# claude-thinkpad-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL+GMHgvbtf6f7xUMAQR+vZFfD/mIIfIDNX5iP8tDRXZ claude@claude-thinkpad-fedora"
storage:
grub:
reorder_uefi: false
swap:
size: 0
config:
- id: root-disk-0
type: disk
path: /dev/sda
wipe: superblock-recursive
preserve: false
grub_device: false
name: ""
ptable: gpt
- id: root-partition-0
type: partition
device: root-disk-0
size: 512M
wipe: superblock
flag: boot
number: 1
preserve: false
grub_device: true
- id: root-format-0
type: format
fstype: fat32
volume: root-partition-0
preserve: false
- id: root-partition-1
type: partition
device: root-disk-0
size: -1
wipe: superblock
flag: ""
number: 2
preserve: false
- id: root-format-1
type: format
fstype: ext4
volume: root-partition-1
preserve: false
- id: root-mount-0
type: mount
device: root-format-0
path: /boot/efi
- id: root-mount-1
type: mount
device: root-format-1
path: /

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instance-id: focal-autoinstall

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#cloud-config
autoinstall:
version: 1
refresh-installer:
update: true
apt:
geoip: true
preserve_sources_list: false
primary:
- arches: [amd64, i386]
uri: http://archive.ubuntu.com/ubuntu
- arches: [default]
uri: http://ports.ubuntu.com/ubuntu-ports
identity:
hostname: k3s-worker3
# mkpasswd --method=SHA-512 ubuntu
# python3 -c 'import crypt; print(crypt.crypt("ubuntu", crypt.mksalt(crypt.METHOD_SHA512)))'
password: $6$UKxMOUUjgoIasmuo$dgSyUpYzokiWNV7wZASBVfRXVrTQT5xmtxItqdQxfi86MI8Th/63iAcFLR97JAQXdBi0nV.pmZR.8uryF1SfG1
realname: Ubuntu
username: ubuntu
keyboard:
layout: fr
toggle: null
variant: ""
locale: en_US.UTF-8
network:
version: 2
ethernets:
eno1:
dhcp4: true
critical: true
dhcp-identifier: mac
ssh:
allow-pw: false
install-server: true
authorized-keys:
# claude-fixe-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINo7E0oAOzaq0XvUHkWvZSC8u1XxX8dDCq3bSyK2BCen claude@claude-fixe-fedora"
# claude-thinkpad-fedora
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL+GMHgvbtf6f7xUMAQR+vZFfD/mIIfIDNX5iP8tDRXZ claude@claude-thinkpad-fedora"
storage:
grub:
reorder_uefi: false
swap:
size: 0
config:
- id: root-disk-0
type: disk
path: /dev/sda
wipe: superblock-recursive
preserve: false
grub_device: false
name: ""
ptable: gpt
- id: root-partition-0
type: partition
device: root-disk-0
size: 512M
wipe: superblock
flag: boot
number: 1
preserve: false
grub_device: true
- id: root-format-0
type: format
fstype: fat32
volume: root-partition-0
preserve: false
- id: root-partition-1
type: partition
device: root-disk-0
size: -1
wipe: superblock
flag: ""
number: 2
preserve: false
- id: root-format-1
type: format
fstype: ext4
volume: root-partition-1
preserve: false
- id: root-mount-0
type: mount
device: root-format-0
path: /boot/efi
- id: root-mount-1
type: mount
device: root-format-1
path: /

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# enable tftp
enable-tftp
# set tftp root path
tftp-root=/var/lib/tftpboot
# disable dnsmasq dns
port=0
# set dns server
dhcp-option=6,192.168.8.1
# set router
dhcp-option=3,192.168.8.1
# set pxelinux boot image
dhcp-boot=pxelinux/pxelinux.0