Eric Liu
0520839925
🐛 (cloud-init.sh): fix IP address assignment to use CIDR notation 🐛 (cloud-init.sh): add validation for IP last octet to ensure it is between 1 and 254
105 lines
3.2 KiB
Bash
Executable File
105 lines
3.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -x
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# Get IP address of the local machine and extract the last octet
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LOCAL_IP=$(ip -4 addr show vmbr0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | head -1)
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if [ -z "$LOCAL_IP" ]; then
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echo "Error: Could not detect IP address on vmbr0 interface"
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exit 1
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fi
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IP_LAST_OCTET=$(echo "$LOCAL_IP" | cut -d. -f4)
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# Validate IP last octet
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if ! [[ $IP_LAST_OCTET =~ ^[0-9]+$ ]] || [ $IP_LAST_OCTET -lt 1 ] || [ $IP_LAST_OCTET -gt 254 ]; then
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echo "Error: Detected IP last octet ($IP_LAST_OCTET) is invalid. Must be between 1 and 254"
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exit 1
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fi
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# Define the Debian version (e.g., 11, 12, 13)
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DEBIAN_VERSION="12"
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# Map Debian version to its codename
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case $DEBIAN_VERSION in
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11)
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CODENAME="bullseye"
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;;
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12)
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CODENAME="bookworm"
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;;
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13)
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CODENAME="trixie" # Update with the correct codename when known
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;;
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*)
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echo "Unsupported Debian version"
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exit 1
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;;
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esac
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# Define the Debian cloud image directory URL
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DEBIAN_IMG_DIR="https://cloud.debian.org/images/cloud/${CODENAME}/"
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# Create the local images directory if it doesn't exist
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LOCAL_IMG_DIR="images"
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mkdir -p $LOCAL_IMG_DIR
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# Get the latest image URL using wget and grep
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LATEST_IMG=$(wget -qO- $DEBIAN_IMG_DIR | grep -oP '(?<=href=")[^"]*(?=/")' | grep -E '20[0-9]{6}-[0-9]{3}' | sort -V | tail -n 1)
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SRC_IMG="${DEBIAN_IMG_DIR}${LATEST_IMG}/debian-${DEBIAN_VERSION}-generic-amd64-${LATEST_IMG}.qcow2"
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IMG_NAME="${LOCAL_IMG_DIR}/debian-${DEBIAN_VERSION}-generic-amd64-${LATEST_IMG}.qcow2"
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# Check if Git LFS is installed
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if ! which git-lfs > /dev/null; then
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apt-get update
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apt-get install -y git-lfs
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fi
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# Pull the specific image file from Git LFS if it exists in the repository
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git lfs pull --include "$IMG_NAME" || true
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# Download the image if it doesn't already exist
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if [ ! -f "$IMG_NAME" ]; then
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echo "New release. Downloading it now..."
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wget -O $IMG_NAME $SRC_IMG
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fi
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# Install libguestfs-tools if virt-customize is not available
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if ! which virt-customize > /dev/null; then
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apt-get update
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apt-get install -y libguestfs-tools
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fi
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# Check if qm is installed and exit if not
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if ! which qm > /dev/null; then
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echo "qm tool not found. Please install Proxmox VE tools and try again."
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exit 1
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fi
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# Inject SSH key and install qemu-guest-agent
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SSH_KEY_PATH="id_rsa.pub"
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virt-customize -v -x --install qemu-guest-agent -a $IMG_NAME --root-password password:coolpass --ssh-inject root:file:$SSH_KEY_PATH |& tee qemu.log
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# Define VM parameters
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IP_ADDRESS="10.10.0.${IP_LAST_OCTET}"
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VMID="90${IP_LAST_OCTET}" # VMID will be 9050 for IP 10.10.0.50
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TEMPL_NAME="debian-${DEBIAN_VERSION}-generic-$(date +%Y%m%d)"
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MEM="2048"
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DISK_SIZE="64G"
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DISK_STOR="local-lvm"
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NET_BRIDGE="vmbr0"
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# Create the VM and configure its settings
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qm destroy $VMID || true
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qm create $VMID --name $TEMPL_NAME --memory $MEM --net0 virtio,bridge=$NET_BRIDGE
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qm importdisk $VMID $IMG_NAME $DISK_STOR
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qm set $VMID --scsihw virtio-scsi-pci --scsi0 $DISK_STOR:vm-$VMID-disk-0
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qm set $VMID --ide2 $DISK_STOR:cloudinit
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qm set $VMID --boot c --bootdisk scsi0
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qm set $VMID --serial0 socket --vga serial0
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qm set $VMID --ipconfig0 ip=${IP_ADDRESS}/24,gw=10.10.0.1
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qm resize $VMID scsi0 $DISK_SIZE
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qm template $VMID
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# Optionally, remove the downloaded image
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# rm $IMG_NAME
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