79 lines
2.7 KiB
Bash
Executable File
79 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
export DEBIAN_FRONTEND=noninteractive
|
|
|
|
echo "=== [1/6] Configuring Base Packages ==="
|
|
apt-get update
|
|
apt-get install -y --no-install-recommends \
|
|
curl wget tcpdump socat rsync bind9-dnsutils iproute2 net-tools traceroute ca-certificates \
|
|
jq sed gawk tar gzip bzip2 xz-utils unzip htop iotop strace lsof sysstat \
|
|
parted fdisk pciutils usbutils smartmontools tmux vim less tree bash-completion \
|
|
git python3 python3-minimal sudo rsyslog cron qemu-guest-agent
|
|
|
|
echo "=== [2/6] Configuring Sudo & Passwordless Escalation ==="
|
|
cat << 'EOF_SUDO' > /etc/sudoers.d/99-apex
|
|
%sudo ALL=(ALL:ALL) NOPASSWD: ALL
|
|
EOF_SUDO
|
|
chmod 0440 /etc/sudoers.d/99-apex
|
|
visudo -cf /etc/sudoers.d/99-apex
|
|
|
|
echo "=== [3/6] Configuring VirtIO Kernel Modules ==="
|
|
cat << 'EOF_VIRTIO' > /etc/modules-load.d/virtio.conf
|
|
virtio
|
|
virtio_net
|
|
virtio_blk
|
|
virtio_pci
|
|
virtio_scsi
|
|
virtiofs
|
|
EOF_VIRTIO
|
|
|
|
echo "=== [4/6] Configuring GRUB Serial Console & Predictable Interfaces ==="
|
|
sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0"/' /etc/default/grub
|
|
sed -i 's/^#GRUB_TERMINAL=.*/GRUB_TERMINAL="console serial"/' /etc/default/grub
|
|
if ! grep -q "GRUB_SERIAL_COMMAND" /etc/default/grub; then
|
|
echo 'GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"' >> /etc/default/grub
|
|
fi
|
|
update-grub
|
|
|
|
mkdir -p /etc/systemd/system/serial-getty@ttyS0.service.d
|
|
cat << 'EOF_GETTY' > /etc/systemd/system/serial-getty@ttyS0.service.d/autologin.conf
|
|
[Service]
|
|
ExecStart=
|
|
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud 115200,38400,9600 %I $TERM
|
|
EOF_GETTY
|
|
systemctl enable serial-getty@ttyS0.service || true
|
|
systemctl enable qemu-guest-agent 2>/dev/null || true
|
|
|
|
echo "=== [5/6] Configuring Cloud-Init Datasources & Service Enablement ==="
|
|
mkdir -p /etc/cloud /etc/cloud/cloud.cfg.d
|
|
cat << 'EOF_DS' > /etc/cloud/ds-identify.cfg
|
|
policy: enabled
|
|
EOF_DS
|
|
|
|
cat << 'EOF_CLOUD_CFG' > /etc/cloud/cloud.cfg.d/99-cloud-init.cfg
|
|
datasource_list: [ NoCloud, ConfigDrive, OpenStack, Ec2, None ]
|
|
disable_vm_template: false
|
|
EOF_CLOUD_CFG
|
|
|
|
# Cloud-init services are static and enabled by generator via ds-identify
|
|
systemctl enable cloud-init-local.service cloud-init.service cloud-config.service cloud-final.service 2>/dev/null || true
|
|
|
|
echo "=== [6/6] Configuring Predictable Network DHCP ==="
|
|
mkdir -p /etc/systemd/network
|
|
cat << 'EOF_NET' > /etc/systemd/network/10-eth.network
|
|
[Match]
|
|
Name=eth* en*
|
|
|
|
[Network]
|
|
DHCP=yes
|
|
EOF_NET
|
|
systemctl enable systemd-networkd systemd-resolved || true
|
|
|
|
mkdir -p /etc/network/interfaces.d
|
|
cat << 'EOF_IF' > /etc/network/interfaces.d/eth0
|
|
auto eth0
|
|
iface eth0 inet dhcp
|
|
EOF_IF
|
|
|
|
echo "=== Base System Configuration Complete ==="
|