CCCHH/pve-template-vm
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Overhaul install script

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The new script now:
- uses the official Debian Cloud-Init image
- verifies the checksum of the image
- edits this image to install the qemu guest agent
- features an exit trap to clean up after runs
- sets a more performant machine type
This commit is contained in:
Max 2024-01-05 23:42:20 +01:00
parent 01b2316d13
commit 7d58f667e6
Signed by: max
SSH key fingerprint: SHA256:tTvPN+YcDnu+kF5q12HRMF4bZrESKjjKlC7YLyF3BbE
1 changed files with 38 additions and 17 deletions
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55
build-proxmox-template
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@ -1,4 +1,4 @@
#!/bin/sh
#!/bin/bash
#
# Build a disk image suitable for use as a Proxmox template in the CCCHH clusters.
@ -8,37 +8,58 @@
VMID=9023
STORAGE=local-zfs
OS=debian-12
NAME=chaos-${OS}-tmpl
NAME=chaos-${OS}-tmpl-$(date -u +%Y-%m-%d)
BRIDGE=vmbr0,tag=208
set -e
set -eE
virt-builder ${OS} -o ${NAME}.qcow2 --format qcow2 \
--root-password disabled \
--run-command 'echo grub-pc hold | dpkg --set-selections' \
tempfolder=$(mktemp -d /tmp/cloudinit-XXXXX)
pushd $tempfolder
trap cleanup SIGHUP SIGINT SIGQUIT SIGABRT ERR EXIT
cleanup() {
echo "Removing temporary files"
popd 2> /dev/null || true
rm -rf $tempfolder
exit
}
wget https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.tar.xz -O debian-12-generic-amd64.tar.xz
wget https://cloud.debian.org/images/cloud/bookworm/latest/SHA512SUMS -O SHA512SUMS
sha512sum --ignore-missing -c SHA512SUMS
rm SHA512SUMS
tar -xf debian-12-generic-amd64.tar.xz
rm debian-12-generic-amd64.tar.xz
virt-customize -a disk.raw \
--update \
--run-command 'apt dist-upgrade -y' \
--install cloud-init,qemu-guest-agent \
--install qemu-guest-agent \
--run-command 'systemctl enable qemu-guest-agent' \
--run-command 'systemctl enable fstrim.timer' \
--edit '/etc/default/grub:s,GRUB_CMDLINE_LINUX="",GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0",' \
--edit '/etc/default/grub:s,GRUB_TIMEOUT=.*,GRUB_TIMEOUT=1,' \
--run-command 'update-grub' \
--edit '/etc/ssh/sshd_config:s,#?Port.*,Port 42666,' \
--edit '/etc/ssh/sshd_config:s,#?Port.*,Port 42666,'
qm destroy ${VMID} || true
qm create ${VMID} --name ${NAME} --memory 1024 --net0 virtio,bridge=${BRIDGE}
qm importdisk ${VMID} ${NAME}.qcow2 ${STORAGE}
qm create ${VMID} --name "creating-vm" --memory 2048 --net0 virtio,bridge=${BRIDGE}
qm importdisk ${VMID} disk.raw ${STORAGE}
rm disk.raw
popd
qm set ${VMID} --scsihw virtio-scsi-pci --scsi0 ${STORAGE}:vm-${VMID}-disk-0,ssd=1,discard=on
qm resize ${VMID} scsi0 16G
qm set ${VMID} --ide2 ${STORAGE}:cloudinit
qm set ${VMID} --boot c --bootdisk scsi0
qm resize ${VMID} scsi0 16G
qm set ${VMID} --machine q35
qm set ${VMID} --ostype l26
qm set ${VMID} --cpu cputype=host
qm set ${VMID} --cores 2
qm set ${VMID} --serial0 socket --vga serial0
qm set ${VMID} --agent 1,fstrim_cloned_disks=1
qm set ${VMID} --ciuser chaos
qm set ${VMID} --sshkeys ./authorized_keys
qm set ${VMID} --ipconfig0 ip=dhcp
qm set ${VMID} --name ${NAME}
qm cloudinit update ${VMID}
qm template ${VMID}
rm -f ${NAME}.qcow2