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Build image URL from Debian codename instead of raw URL

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Second positional arg is now a codename (bullseye/bookworm/trixie/
forky) mapped to the corresponding cloud.debian.org image, with an
IMAGE_URL env var escape hatch for pointing at something else.
This commit is contained in:
Claude
2026-08-06 14:45:44 +00:00
parent 931652738d
commit 76a3841ded
1 changed files with 29 additions and 7 deletions
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make-debian-cloudinit-template.sh
+29 -7
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@@ -1,23 +1,27 @@
#!/bin/bash
# Build a Proxmox cloud-init template VM from a cloud image URL.
# Build a Proxmox cloud-init template VM from a Debian cloud image.
#
# Usage:
# ./make-debian-cloudinit-template.sh <VMID> [IMAGE_URL]
# ./make-debian-cloudinit-template.sh <VMID> [CODENAME]
#
# CODENAME is a Debian release codename (default: trixie). Known:
# bullseye (11), bookworm (12), trixie (13), forky (14)
#
# Optional overrides (env vars):
# IMAGE_URL Full image URL, overrides CODENAME lookup entirely
# STORAGE Proxmox storage pool for disks (default: local-zfs)
# BRIDGE Network bridge (default: vmbr0)
# MEMORY RAM in MB (default: 2048)
# CORES CPU cores (default: 4)
# NAME Template name in Proxmox (default: debian-cloudinit-<VMID>)
# NAME Template name in Proxmox (default: debian-<CODENAME>-cloudinit-<VMID>)
#
# Example:
# STORAGE=local-lvm BRIDGE=vmbr1 ./make-debian-cloudinit-template.sh 9000
# STORAGE=local-lvm BRIDGE=vmbr1 ./make-debian-cloudinit-template.sh 9000 bookworm
set -euo pipefail
usage() {
grep '^#' "$0" | sed -e 's/^#//' -e 's/^ //' | head -n 12
grep '^#' "$0" | sed -e 's/^#//' -e 's/^ //' | head -n 20
}
if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
@@ -49,12 +53,30 @@ if qm status "$ID" &>/dev/null; then
exit 1
fi
URL=${2:-"https://cloud.debian.org/images/cloud/trixie/latest/debian-13-genericcloud-amd64.qcow2"}
declare -A DEBIAN_VERSIONS=(
[bullseye]=11
[bookworm]=12
[trixie]=13
[forky]=14
)
CODENAME=${2:-trixie}
STORAGE=${STORAGE:-local-zfs}
BRIDGE=${BRIDGE:-vmbr0}
MEMORY=${MEMORY:-2048}
CORES=${CORES:-4}
NAME=${NAME:-"debian-cloudinit-$ID"}
NAME=${NAME:-"debian-$CODENAME-cloudinit-$ID"}
if [[ -n "${IMAGE_URL:-}" ]]; then
URL="$IMAGE_URL"
else
VERSION=${DEBIAN_VERSIONS[$CODENAME]:-}
if [[ -z "$VERSION" ]]; then
echo "Error: unknown Debian codename '$CODENAME'. Known: ${!DEBIAN_VERSIONS[*]}" >&2
exit 1
fi
URL="https://cloud.debian.org/images/cloud/$CODENAME/latest/debian-$VERSION-genericcloud-amd64.qcow2"
fi
if ! pvesm status -storage "$STORAGE" &>/dev/null; then
echo "Error: storage pool '$STORAGE' not found (check STORAGE env var)." >&2