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+89ded264a10fd325ed8e3143b1e56df528ff42029431411da78dce49b887019863e6d53b863ffe27c52e64c56ca129b5c2077c0951d930d2dd4dcc07e12bbd24 debian-12-nocloud-ppc64el.qcow2 +0ba1f10d48d9ec51c23d2c657d084bddbc0c75f1afa4c2636bea8a7a05fab8dd1c4046c4906003524c0ee9e54cf0b0c22c90f6da751b0b55c763b8d2544c860a debian-12-nocloud-ppc64el.raw +a774abcbcc96bae0bdf1ad11c12a70a5a754908c7781bada24160f2148efb61ae92fe572d27ba9fc17c07a2caeafbdee6c3d66a3b3a46c4eba4a4c050350e2af debian-12-nocloud-ppc64el.tar.xz diff --git a/common.sh b/common.sh deleted file mode 100644 index 8fc0706..0000000 --- a/common.sh +++ /dev/null @@ -1,9 +0,0 @@ -#!/bin/env bash -OS_JSON_FILE="os_options.json" -#VM_BASE_DIR=${VM_BASE_DIR:-"${HOME}/.local/share/libvirt"} -#VM_BASE_DIR=${VM_BASE_DIR:-"${HOME}/var/lib/libvirt"} -VM_BASE_DIR="${HOME}/vms" -VM_BASE_IMAGES="base" -VM_USERNAME="user" -VM_IMAGE_PATH="${VM_BASE_DIR}/images/$1.img" -CI_IMAGE_PATH="${VM_BASE_DIR}/images/$1-cidata.iso" diff --git a/env_scripts/common.sh b/env_scripts/common.sh new file mode 100644 index 0000000..9421094 --- /dev/null +++ b/env_scripts/common.sh @@ -0,0 +1,16 @@ +#!/bin/env bash +LIBVIRT_NET_MODEL="virtio" +LIBVIRT_NET_OPTION="network=$VM_NETWORK,model=$LIBVIRT_NET_MODEL" +OS_JSON_FILE="files/os_options.json" +#VM_BASE_DIR=${VM_BASE_DIR:-"${HOME}/.local/share/libvirt"} +#VM_BASE_DIR=${VM_BASE_DIR:-"${HOME}/var/lib/libvirt"} +VM_BASE_DIR="${HOME}/vms" +VM_BASE_IMAGES="base" +VM_DISK_EXTENSION="img" +VM_USERNAME="user" + +VM_IMAGE_PATH="${VM_BASE_DIR}/images/$1.img" +CI_IMAGE_PATH="${VM_BASE_DIR}/images/$1-cidata.iso" +VM_NETWORK="vmnetwork" +REPO_BRANCH="main" +REPO_SOURCE="https://raw.githubusercontent.com/vgenguita/kvm-cloudimage/refs/heads/${REPO_BRANCH}/env_scripts/" diff --git a/env_scripts/functions.sh b/env_scripts/functions.sh new file mode 100644 index 0000000..46d2918 --- /dev/null +++ b/env_scripts/functions.sh @@ -0,0 +1,279 @@ +#!/bin/env bash + +# Functions + +check_host_os() +{ + local HOST_OS=$(cat /etc/os-release | grep -v VERSION_ID |grep "ID=" | awk -F'=' '{print $2}') + if [ $HOST_OS == "debian" ]; then + source env_scripts/older_os.sh + else + source env_scripts/newer_os.sh + fi +} + +show_vm_menu() +{ + # Show dinamic menu + echo "Select VM OS:" + for entry in $(jq -r '.os_variants[] | @base64' "$OS_JSON_FILE"); do + decoded=$(echo "$entry" | base64 --decode) + id=$(echo "$decoded" | jq -r .id) + name=$(echo "$decoded" | jq -r .name) + echo "$id. $name" + done + + # ID_MAX calculation + ID_MAX=$(jq -r '[.os_variants[].id] | max' "$OS_JSON_FILE") + + # Read input + read -r -p "Enter your choice [1-${ID_MAX}]: " answer + if ! [[ "$answer" =~ ^[0-9]+$ ]] || (( answer < 1 || answer > ID_MAX )); then + echo "Invalid option. Please enter a number between 1 and ${ID_MAX}." + exit 1 + fi + + selected=$(jq -r ".os_variants[] | select(.id == $answer)" "$OS_JSON_FILE") + + if [ -z "$selected" ]; then + echo "Invalid option." + exit 1 + fi + + # Asignar variables + VM_OS_VARIANT=$(echo "$selected" | jq -r .variant) + VM_BASE_IMAGE_URL=$(echo "$selected" | jq -r .url) + VM_BASE_IMAGE=$(echo "$selected" | jq -r .origin_image_name) + VM_BOOT_TYPE=$(echo "$selected" | jq -r .boot_type) + VM_CHECKSUMS_URL=$(echo "$selected" | jq -r .md5sum) +} + +compare_checksum() +{ + CHECKSUM_TMP_FOLDER=$(mktemp) + curl -s -o "${CHECKSUM_TMP_FOLDER}" "${VM_CHECKSUMS_URL}" + VM_BASE_IMAGE_CHECKSUM=$(grep "$VM_BASE_IMAGE_NAME.${VM_BASE_IMAGE_EXTENSION}" "${CHECKSUM_TMP_FOLDER}" | awk '{print $1}') + if [[ "${VM_CHECKSUMS_URL}" == *"SHA256SUMS"* ]]; then + HASH_CMD="sha256sum" + elif [[ "${VM_CHECKSUMS_URL}" == *"SHA512SUMS"* ]]; then + HASH_CMD="sha512sum" + else + echo "ERROR: Unknown checksum type in URL: $CHECKSUM_URL" + exit 1 + fi + BASE_FILE_CHECKSUM=$(${HASH_CMD} ${VM_BASE_IMAGE_LOCATION} | awk '{print $1}') + if [ "${BASE_FILE_CHECKSUM}" = "${VM_BASE_IMAGE_CHECKSUM}" ]; then + echo "Checksum OK: ${BASE_FILE_CHECKSUM}" + else + echo "ERROR: MD5 checksum does NOT match!" + echo "Expected: ${VM_BASE_IMAGE_CHECKSUM}" + echo "Got: ${BASE_FILE_CHECKSUM}" + exit 1 + fi +} +## List Installed VMS +vm_list() +{ + virsh list +} + +vm_net_get_mac() +{ + local VM=$1 + MAC_VM=$(virsh domiflist "$VM" | awk '{ print $5 }' | tail -2 | head -1) + echo $MAC_VM +} +## Get VM ip (only on NAT) +vm_net_get_ip() +{ + local VM="$1" + # Obtener la dirección MAC de la interfaz de red + MAC_VM=$(vm_net_get_mac $VM) + if [[ -z "$MAC_VM" ]]; then + echo "Error: No se pudo encontrar la dirección MAC para '$VM'" + return 1 + fi + # Obtener la dirección IP a partir de la dirección MAC + VM_IP_ADDRESS=$(arp -a | grep "$MAC_VM" | awk '{ print $2 }' | sed 's/[()]//g') + if [[ -z "$VM_IP_ADDRESS" ]]; then + echo "Error: No se pudo encontrar la dirección IP para la dirección MAC '$MAC_VM'" + return 1 + fi + echo "$VM_IP_ADDRESS" +} + +vm_net_create_netplan() +{ + local VM=$1 + local MAV_VM=$2 +cat < "$VM_BASE_DIR/init/${VM}-netplan" +# This file is generated from information provided by the datasource. Changes +# to it will not persist across an instance reboot. To disable cloud-init's +# network configuration capabilities, write a file +# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following: +# network: {config: disabled} +network: + ethernets: + enp1s0: + addresses: + - ${IP}/24 + nameservers: + addresses: + - 208.67.222.222 + - 208.67.220.220 + match: + macaddress: ${MAC_VM} + set-name: enp1s0 + version: 2 +EOF +} + +vm_net_bridge_set_ip() +{ + local VM="$1" + local IP="$2" + MAC_VM=$(vm_net_get_mac "$VM") + CURRENT_IP=$(vm_net_get_ip "$VM") + define_netplan + # Obtener la dirección IP de la máquina virtual + scp -i ${VM_BASE_DIR}/ssh/${VM} \ + -r $VM_BASE_DIR/init/${VM}-netplan \ + ${VM_USERNAME}@${CURRENT_IP}:50-cloud-init.yaml + ssh -i ${VM_BASE_DIR}/ssh/${VM} -l${VM_USERNAME} ${CURRENT_IP} "bash -s" -- < ../vm_example_scripts/apply_netplan.sh +} + +vm_net_set_bridge_mode() +{ + if [[ -n $VM_BRIDGE_INT ]]; then + LIBVIRT_NET_OPTION="model=virtio,bridge=${VM_BRIDGE_INT}" + fi +} +## Connect to an existent VM using ssh +vm_connect() +{ + local VM=$1 + local VM_IP=$(vm_net_get_ip "$VM") + ssh -i ${VM_BASE_DIR}/ssh/${VM} -l${VM_USERNAME} ${VM_IP} +} + +## Delete VM +vm_delete () +{ + local VM=$1 + echo "VM: $VM" + if [[ -f "$VM_IMAGE_PATH" ]]; then + # Safely remove the VM with confirmation + read -p "Are you sure you want to remove the VM '$VM' (y/N)? " confirm + if [[ "$confirm" =~ ^[Yy]$ ]]; then + # Attempt to stop the VM before deleting + virsh destroy "$VM" 2>/dev/null || true + # Delete VM definition and associated images + virsh undefine "$VM" 2>/dev/null || true + rm -fv "$VM_IMAGE_PATH" "$CI_IMAGE_PATH" + rm ${VM_BASE_DIR}/xml/$1.xml + rm ${VM_BASE_DIR}/ssh/$1 + rm ${VM_BASE_DIR}/ssh/$1.pub + rm ${VM_BASE_DIR}/init/$1-user-data + rm ${VM_BASE_DIR}/init/$1-meta-data + else + echo "VM removal cancelled." + fi + else + # Handle case where VM image is not found + echo "Cannot find VM image file '$VM_IMAGE_PATH'. No action taken." + fi +} +vm_download_base_image() +{ + VM_BASE_IMAGE_NAME=${VM_BASE_IMAGE%%.*} + VM_BASE_IMAGE_EXTENSION=${VM_BASE_IMAGE#*.} + VM_BASE_IMAGE_LOCATION="${VM_BASE_DIR}/${VM_BASE_IMAGES}/${VM_BASE_IMAGE_NAME}.${VM_BASE_IMAGE_EXTENSION}" + if ! test -f "${VM_BASE_IMAGE_LOCATION}"; then + wget -O "${VM_BASE_IMAGE_LOCATION}" ${VM_BASE_IMAGE_URL} + fi +} + +vm_create_guest_image() +{ + echo "Creating a qcow2 image file ${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION} that uses the cloud image file ${VM_BASE_IMAGE_LOCATION} as its base" + if ! test -f "${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION}"; then + qemu-img convert \ + -O qcow2 \ + "${VM_BASE_IMAGE_LOCATION}" \ + "${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION}" + qemu-img resize \ + "${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION}" \ + "${VM_DISK_SIZE}G" + sudo chown -R $USER:libvirt-qemu "${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION}" + else + echo "${VM_BASE_DIR}/images/${VM_HOSTNAME}.${VM_DISK_EXTENSION} already exists. Delete VM with "delete" option" + exit 1 + fi +} + +vm_generate_ssh_hey() +{ + ssh-keygen -t rsa -b 4096 -N '' -f "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}" + chmod 600 ${VM_BASE_DIR}/ssh/${VM_HOSTNAME}.pub + SSH_PUB_KEY=$(cat "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}.pub") + #ssh-keygen -y -f "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}" > "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}".pub.txt + #SSH_PUB_KEY=$(cat "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}".pub.txt) + #rm "${VM_BASE_DIR}/ssh/${VM_HOSTNAME}".pub.txt +} + +vm_gen_linux_user_data() +{ +VM_USER_PASS=$(tr -dc A-Za-z0-9 "$VM_BASE_DIR/init/${VM_HOSTNAME}-user-data" +#cloud-config +hostname: ${VM_HOSTNAME} +# manage_etc_hosts: false +ssh_pwauth: true +disable_root: true +users: +- name: ${VM_USERNAME} + hashed_passwd: ${VM_USER_PASS_HASH} + sudo: ALL=(ALL) NOPASSWD:ALL + shell: /bin/bash + lock-passwd: false + ssh_authorized_keys: + - ${SSH_PUB_KEY} +EOF +} + +vm_gen_user_data() +{ + VM_USER_PASS=$(tr -dc A-Za-z0-9 "${VM_BASE_DIR}/xml/${VM_HOSTNAME}.xml" + +} diff --git a/files/meta-data b/files/meta-data new file mode 100644 index 0000000..555891f --- /dev/null +++ b/files/meta-data @@ -0,0 +1,2 @@ +instance-id: __VMname__ +local-hostname: __VMname__ diff --git a/network.xml b/files/network.xml similarity index 91% rename from network.xml rename to files/network.xml index cd5e95a..2b0079c 100644 --- a/network.xml +++ b/files/network.xml @@ -1,5 +1,5 @@ - vmnetwork + YOURNETWORK diff --git a/os_options.json b/files/os_options.json similarity index 54% rename from os_options.json rename to files/os_options.json index e00b0fc..e51178a 100644 --- a/os_options.json +++ b/files/os_options.json @@ -21,6 +21,15 @@ }, { "id": 3, + "name": "Ubuntu 20.04 minimal", + "variant": "ubuntu20.04", + "url": "https://cloud-images.ubuntu.com/minimal/releases/focal/release/ubuntu-20.04-minimal-cloudimg-amd64.img", + "origin_image_name": "ubuntu-20.04-minimal-cloudimg-amd64.img", + "md5sum": "https://cloud-images.ubuntu.com/minimal/releases/focal/release/SHA256SUMS", + "boot_type": "bios" + }, + { + "id": 4, "name": "Ubuntu 22.04 server", "variant": "ubuntu22.04", "url": "https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img", @@ -28,14 +37,32 @@ "md5sum": "https://cloud-images.ubuntu.com/jammy/current/SHA256SUMS", "boot_type": "uefi" }, - - "id": 4, + { + "id": 5, + "name": "Ubuntu 22.04 minimal", + "variant": "ubuntu22.04", + "url": "https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img", + "origin_image_name": "ubuntu-22.04-minimal-cloudimg-amd64.img", + "md5sum": "https://cloud-images.ubuntu.com/minimal/releases/jammy/release/SHA256SUMS", + "boot_type": "uefi" + }, + { + "id": 6, "name": "Ubuntu 24.04 server", "variant": "ubuntu22.04", "url": "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img", "origin_image_name": "noble-server-cloudimg-amd64.img", "md5sum": "https://cloud-images.ubuntu.com/noble/current/SHA256SUMS", "boot_type": "uefi" - } + }, + { + "id": 7, + "name": "Ubuntu 24.04 minimal", + "variant": "ubuntu22.04", + "url": "https://cloud-images.ubuntu.com/minimal/releases/noble/release/ubuntu-24.04-minimal-cloudimg-amd64.img", + "origin_image_name": "ubuntu-24.04-minimal-cloudimg-amd64.img", + "md5sum": "https://cloud-images.ubuntu.com/minimal/releases/noble/release/SHA256SUMS", + "boot_type": "uefi" + } ] } diff --git a/files/user-data b/files/user-data new file mode 100644 index 0000000..7e7b119 --- /dev/null +++ b/files/user-data @@ -0,0 +1,12 @@ +ssh_pwauth: true +disable_root: true +users: +- name: user + ssh_authorized_keys: + - __SSH_KEY__ + sudo: ["ALL=(ALL) NOPASSWD:ALL"] + groups: sudo + shell: /bin/bash + hashed_passwd: __USER_PASSWORD__ + lock-passwd: false + diff --git a/install.sh b/install.sh new file mode 100644 index 0000000..9eec904 --- /dev/null +++ b/install.sh @@ -0,0 +1,13 @@ +#!/bin/env bash +#Define variable names on env_scripts/common.sh +#VM_NETWORK= +#VM_BASE_DIR= +#Install dependencies - TODO +source variables/common.sh + +mkdir -p "${VM_BASE_DIR}"/{images,xml,init,base,ssh} +cp files/network.xml ${VM_BASE_DIR}/xml/network.xml +sed -i "s/YOURNETWORK/${VM_NETWORK}/g" ${VM_BASE_DIR}/xml/network.xml +virsh net-define ${VM_BASE_DIR}/xml/network.xml +virsh net-autostart ${VM_NETWORK} +virsh net-start ${VM_NETWORK} \ No newline at end of file diff --git a/kvm_cloudimage.sh b/kvm_cloudimage.sh deleted file mode 100644 index e69de29..0000000 diff --git a/vm_manage.sh b/vm_manage.sh new file mode 100755 index 0000000..fcf464b --- /dev/null +++ b/vm_manage.sh @@ -0,0 +1,143 @@ +#!/bin/env bash + +source env_scripts/common.sh +source env_scripts/functions.sh +# Default values for VM creation parameters +VM_MEM_SIZE=1024 +VM_VCPUS=1 +VM_DISK_SIZE=10 + +# Function to display usage message +usage() { + echo "Usage: $0 create -n NAME [-b BRIDGE] [-r RAM] [-c VCPUS] [-s DISK] [-v]" + echo " $0 delete -n NAME" + echo " $0 info -n NAME" + echo " $0 connect -n NAME" + echo " $0 list" + echo "" + echo "Actions:" + echo " create Create a new virtual machine" + echo " delete Delete a virtual machine" + echo " list List all defined virtual machines" + echo " info Show information about a virtual machine" + echo " connect Connect to the console of a virtual machine" + echo "" + echo "Options for 'create':" + echo " -h Show this help message" + echo " -n NAME Host name (required)" + echo " -b BRIDGE Bridge interface name" + echo " -r RAM RAM in MB (default: ${VM_MEM_SIZE})" + echo " -c VCPUS Number of VCPUs (default: ${VM_VCPUS})" + echo " -s DISK Disk size in GB (default: ${VM_DISK_SIZE})" + echo " -v Verbose mode" + exit 1 +} + +# Check if at least one argument is provided +if [ $# -eq 0 ]; then + usage +fi + +ACTION="$1" +shift + +case "${ACTION}" in + create) + # Parse options for create command + VERBOSE=false + NAME_SET=false + + while getopts ":hn:b:r:c:s:v" opt; do + case "${opt}" in + h) + usage + ;; + n) + VM_HOSTNAME="${OPTARG}" + NAME_SET=true + ;; + b) + BRIDGE_INTERFACE="${OPTARG}" + ;; + r) + VM_MEM_SIZE="${OPTARG}" + ;; + c) + VM_VCPUS="${OPTARG}" + ;; + s) + VM_DISK_SIZE="${OPTARG}" + ;; + v) + VERBOSE=true + ;; + \?) + echo "Invalid option: -${OPTARG}" >&2 + usage + ;; + :) + echo "Option -${OPTARG} requires an argument." >&2 + usage + ;; + esac + done + + # Check that required parameter (-n) was provided + if ! ${NAME_SET}; then + echo "Error: The -n option is required for create action." >&2 + usage + fi + source env_scripts/common.sh + #Check network type + vm_net_set_bridge_mode + #Check host os for guest debian type + check_host_os + #Read os_options.json and generate guests menu + #Select guest + show_vm_menu + #Download cloud image + vm_download_base_image + #Compare hashes + compare_checksum + #Create guest image + vm_create_guest_image + #Generate ssh key + vm_generate_ssh_hey + #Generate meta-data file for VM + vm_gen_meta_data + #Generate user-data file for VM + vm_gen_linux_user_data + #Install VM + vm_guest_install + ;; + + delete|info|connect) + # These actions require a NAME directly as first argument after ACTION + if [ $# -ne 1 ]; then + echo "Error: ${ACTION} requires a VM name as argument." >&2 + usage + fi + VM_HOSTNAME="$1" + source env_scripts/common.sh + echo "Action: ${ACTION}" + echo "VM Name: ${VM_HOSTNAME}" + if [[ "${ACTION}" == 'delete' ]]; then + vm_delete ${VM_HOSTNAME} + elif [[ "${ACTION}" == 'info' ]]; then + vm_net_get_ip ${VM_HOSTNAME} + elif [[ "${ACTION}" == 'connect' ]]; then + vm_connect ${VM_HOSTNAME} + fi + ;; + + list) + #echo "Action: list" + vm_list + ;; + + *) + echo "Unknown action: ${ACTION}" >&2 + usage + ;; +esac +exit 0 \ No newline at end of file