Ubuntu autoinstall config

generate-ubuntu-seed.sh

#!/bin/bash

# config files (user-data & meta-data) must be under "template" directory!!

OUTPUT_NAME=seed-$1
VM_HOST_NAME=$1
VM_IPV4_ADDRESS=$2

rm -rf $VM_HOST_NAME
rm -f $OUTPUT_NAME.iso

cp -R template $VM_HOST_NAME
rm -f $VM_HOST_NAME/user-data

cat template/user-data \
  | sed "s/__HOST_NAME__/$VM_HOST_NAME/" \
  | sed "s/__IPV4_ADDRESS__/$VM_IPV4_ADDRESS/" \
  > $VM_HOST_NAME/user-data

hdiutil makehybrid -o $OUTPUT_NAME.iso \
  -hfs \
  -joliet \
  -iso \
  -default-volume-name cidata \
  $VM_HOST_NAME

user-data

#cloud-config
autoinstall:
  version: 1
  locale: ja_JP.UTF-8
  keyboard:
    layout: "jp"
  storage:
    layout:
      name: lvm
  identity:
    hostname: __HOST_NAME__
    username: ubuntu
    password: __CRYPTED_PASSWORD__
  ssh:
    install-server: true
    allow-pw: false
    authorized-keys:
      - __SSH_PUBLIC_KEY__
  packages:
    - open-iscsi
    - nfs-common
  late-commands:
    - |
      cat <<EOF | sudo tee /target/etc/netplan/90-network.yaml
      network:
        version: 2
        ethernets:
          ens160:
            dhcp4: false
            dhcp6: false
            addresses:
              - "__IPV4_ADDRESS__/24"
            gateway4: __GATEWAY_IPV4_ADDRESS__
            nameservers:
              addresses:
                - "8.8.8.8"
                - "8.8.4.4"
      EOF
    - curtin in-target --target=/target -- netplan apply
  user-data:
    timezone: Asia/Tokyo
    package_upgrade: true