init: initial commit

This commit is contained in:
ITQ
2025-12-26 15:47:40 +03:00
commit 63c37b28dc
13 changed files with 304 additions and 0 deletions
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# This is just a template file, create .env file
# Change all vars before going to production and remove all comments (!)
# Below all environment variables and default values
LIBVIRT_DEFAULT_URI=qemu:///system
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# Terraform files
**/.terraform/*
*.auto.tfvars
*.tfoverride
.envrc
.terraformrc
terraform.rc
terraform.tfstate
terraform.tfstate*
.terraform*
# Env files
.env
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#cloud-config
network:
version: 2
ethernets:
enp1s0:
accept-ra: false
dhcp4: false
dhcp6: false
addresses:
- "${ipv4_address}/${ipv4_prefix}"
- "${ipv6_address}/${ipv6_prefix}"
gateway4: "${ipv4_gateway}"
gateway6: "${ipv6_gateway}"
nameservers:
addresses:
- "1.1.1.1"
- "2606:4700:4700::1111"
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#cloud-config
hostname: node
manage_etc_hosts: false
users:
- name: ubuntu
gecos: ubuntu
sudo: ALL=(ALL) NOPASSWD:ALL
lock_passwd: false
ssh_pwauth: true
shell: /bin/bash
ssh_pwauth: true
chpasswd:
list: |
ubuntu:ubuntu
expire: false
growpart:
mode: auto
devices: ["/"]
package_update: false
package_upgrade: false
write_files:
- path: /etc/hosts
append: true
encoding: b64
content: ${hosts_file}
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10.6.6.1 _gateway
10.6.6.10 node
2001:db8:ca2:2::10 node
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output omit-xml-declaration="yes" indent="yes" />
<xsl:template match="node()|@*">
<xsl:copy><xsl:apply-templates select="node()|@*" /></xsl:copy>
</xsl:template>
<xsl:template match="target[@bus='ide']">
<xsl:copy>
<xsl:apply-templates select="@*[name()!='bus']" />
<xsl:attribute name="bus">sata</xsl:attribute>
</xsl:copy>
</xsl:template>
<xsl:template match="/domain">
<xsl:copy>
<xsl:apply-templates select="node()[not(self::os)] | @*" />
<os firmware="efi">
<type arch="{./os/type/@arch}" machine="{./os/type/@machine}">hvm</type>
</os>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
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locals {
dot_env_file_path = ".env"
dot_env_regex = "(?m:^\\s*([^#\\s]\\S*)\\s*=\\s*[\"']?(.*[^\"'\\s])[\"']?\\s*$)"
dot_env = { for tuple in regexall(local.dot_env_regex, file(local.dot_env_file_path)) : tuple[0] => sensitive(tuple[1]) }
uri = local.dot_env["LIBVIRT_DEFAULT_URI"]
cidrs = [
var.network_ipv4_cidr,
var.network_ipv6_cidr,
]
image_source = "${var.image_pool_folder}/${var.image_filename}"
user_templates = merge(
{ node = "node.yaml.tpl" },
)
ipv4_prefix = tonumber(split("/", var.network_ipv4_cidr)[1])
ipv4_gateway = cidrhost(var.network_ipv4_cidr, 1)
ipv6_prefix = tonumber(split("/", var.network_ipv6_cidr)[1])
ipv6_gateway = cidrhost(var.network_ipv6_cidr, 1)
node_addrs = merge(
{ node = { ipv4 = var.node_ipv4, ipv6 = var.node_ipv6 } },
)
nodes = { for key, addr in local.node_addrs :
key => {
ipv4 = addr.ipv4
ipv6 = addr.ipv6
image = libvirt_volume.node_image.id
user_data = data.template_file.user_data[key].rendered
network_config = data.template_file.network_config[key].rendered
}
}
}
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resource "libvirt_network" "default" {
name = "${var.naming_prefix}default"
mode = "nat"
addresses = local.cidrs
mtu = var.mtu
autostart = true
dns {
local_only = false
forwarders {
address = "1.1.1.1"
}
}
}
resource "libvirt_volume" "base" {
name = "${var.naming_prefix}ubuntu_noble"
source = local.image_source
}
resource "libvirt_volume" "node_image" {
name = "${var.naming_prefix}node_image"
base_volume_id = libvirt_volume.base.id
size = 10737418240
}
data "template_file" "user_data" {
for_each = local.user_templates
template = file("${path.root}/configs/cloud-init/${each.value}")
vars = {
hosts_file = base64encode(file("${path.root}/configs/hosts"))
}
}
data "template_file" "network_config" {
for_each = local.user_templates
template = file("${path.root}/configs/cloud-init/network.yaml.tpl")
vars = {
ipv4_address = local.node_addrs[each.key].ipv4
ipv4_prefix = local.ipv4_prefix
ipv4_gateway = local.ipv4_gateway
ipv6_address = local.node_addrs[each.key].ipv6
ipv6_prefix = local.ipv6_prefix
ipv6_gateway = local.ipv6_gateway
}
}
module "nodes" {
source = "./modules/instance"
for_each = local.nodes
name = "${var.naming_prefix}${each.key}"
network_id = libvirt_network.default.id
volume_base_id = each.value.image
user_data = each.value.user_data
network_config = each.value.network_config
vcpu = var.node_cpu
memory = var.node_mem
}
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resource "libvirt_volume" "image" {
name = "${var.name}_image"
base_volume_id = var.volume_base_id
}
resource "libvirt_cloudinit_disk" "init" {
name = "${var.name}_cloudinit"
user_data = var.user_data
network_config = var.network_config
}
resource "libvirt_domain" "this" {
name = var.name
vcpu = var.vcpu
memory = var.memory
cpu { mode = "host-passthrough" }
disk { volume_id = libvirt_volume.image.id }
cloudinit = libvirt_cloudinit_disk.init.id
network_interface {
network_id = var.network_id
wait_for_lease = false
}
arch = "x86_64"
type = "kvm"
machine = "q35"
running = true
autostart = false
xml { xslt = file("${path.root}/configs/libvirt/patch.xsl") }
}
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terraform {
required_providers {
libvirt = {
source = "dmacvicar/libvirt"
}
}
}
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variable "name" {}
variable "network_id" {}
variable "volume_base_id" {}
variable "user_data" {}
variable "network_config" {}
variable "vcpu" {}
variable "memory" {}
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terraform {
required_providers {
libvirt = {
source = "dmacvicar/libvirt"
}
}
}
provider "libvirt" {
uri = local.uri
}
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variable "naming_prefix" {
type = string
default = ""
}
variable "dot_env_file_path" {
type = string
default = ".env"
}
variable "image_pool_folder" {
description = "Local folder where base images are stored"
type = string
default = "./assets/images"
}
variable "image_filename" {
description = "Name of the base cloud image file"
type = string
default = "noble-server-cloudimg-amd64.img"
}
variable "node_ipv4" {
type = string
default = "10.6.6.10"
}
variable "node_ipv6" {
type = string
default = "2001:db8:ca2:2::10"
}
variable "network_ipv4_cidr" {
type = string
default = "10.6.6.0/24"
}
variable "network_ipv6_cidr" {
type = string
default = "2001:db8:ca2:2::/64"
}
variable "mtu" {
type = number
default = 1500
}
variable "node_cpu" {
type = number
default = 2
}
variable "node_mem" {
type = number
default = 1024
}