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Add count to generate multiple domain

master
Antoine 9 months ago
parent
commit
a75f875026
Signed by: antoine <antoinroux@hotmail.fr> GPG Key ID: 098FB66FC0475E70
10 changed files with 64 additions and 39 deletions
  1. +3
    -3
      Makefile
  2. +9
    -1
      base/libvirtd.tf
  3. +1
    -1
      docker-kvm-qemu-libvirt
  4. +9
    -6
      stack/cloud_init.tf
  5. +3
    -5
      stack/cloud_init_meta_data.yml
  6. +7
    -5
      stack/computes.tf
  7. +9
    -4
      stack/libvirtd.tf
  8. +7
    -0
      stack/networks.tf
  9. +7
    -7
      stack/variable.tf
  10. +9
    -7
      stack/volumes.tf

+ 3
- 3
Makefile View File

@@ -4,8 +4,8 @@ console:
@virsh console --domain db1

ssh:
@IP=$(shell virsh domifaddr --domain db1 | tail -2 | awk -F ' ' '{ print $$4 }' | sed 's|/.*||') && \
ssh -o ProxyCommand="ssh -W %h:%p antoine@dx30.localdomain" -i ~/.ssh/pri/id_rsa_bis antoine@"$$IP"
IP=$(shell virsh domifaddr --domain db1 | tail -2 | awk -F ' ' '{ print $$4 }' | sed 's|/.*||') && \
ssh -o ProxyCommand="ssh -W %h:%p antoine@dx30_remote.localdomain" -i ~/.ssh/pri/id_rsa_bis antoine@"$$IP"

dhcp-lease:
@virsh net-dhcp-leases --network private
@@ -14,4 +14,4 @@ get-ip:
@virsh domifaddr --domain db1

destroy_vm:
@terraform destroy -auto-approve -target=libvirt_domain.db1
@terraform destroy -auto-approve -target=libvirt_domain.db1

+ 9
- 1
base/libvirtd.tf View File

@@ -47,8 +47,16 @@ resource "libvirt_volume" "centos7_qcow2" {
}

resource "libvirt_volume" "debian_buster_qcow2" {
name = "debian-buster.qcow2"
name = "debian-openstack-buster.qcow2"
pool = libvirt_pool.pool_1.name
source = "./images/debian-10-openstack-amd64.qcow2"
format = "qcow2"
}

resource "libvirt_volume" "debian_with_docker_qcow2" {
name = "debian-10.7.0-with-docker.qcow2"
pool = libvirt_pool.pool_1.name
source = "./images/debian-10.7.0_packer.qcow2"
format = "qcow2"
}


+ 1
- 1
docker-kvm-qemu-libvirt

@@ -1 +1 @@
Subproject commit 6e6f8cb6470380c8b4c07910d98f744bad8852a3
Subproject commit ebd073a56c23ea79efd65426563182c92855725f

+ 9
- 6
stack/cloud_init.tf View File

@@ -1,22 +1,25 @@
data "template_file" "user_data" {
template = "${file("${path.module}/cloud_init_user_data.yml")}"
vars = {
hostname = var.hostname
hostname = format("%s-%s", var.hostname, count.index)
}
count = var.number_domain
}

data "template_file" "meta_data" {
template = "${file("${path.module}/cloud_init_meta_data.yml")}"
vars = {
dns_address = var.dns_address
dns_domain = var.dns_domain
instance_id = count.index
}
count = var.number_domain
}

# Use CloudInit to add the instance
resource "libvirt_cloudinit_disk" "commoninit" {
name = "commoninit.iso"
name = format("commoninit-%s.iso", count.index)
pool = var.pool_1
user_data = data.template_file.user_data.rendered
meta_data = data.template_file.meta_data.rendered
user_data = data.template_file.user_data[count.index].rendered
meta_data = data.template_file.meta_data[count.index].rendered

count = var.number_domain
}

+ 3
- 5
stack/cloud_init_meta_data.yml View File

@@ -1,8 +1,6 @@
#cloud-config
# vim: syntax=yaml

network-interfaces: |
auto eth0
iface eth0 inet dhcp
dns-nameservers ${dns_address}
dns-search ${dns_domain}
instance-id: ${instance_id}
network:
config: disabled

+ 7
- 5
stack/computes.tf View File

@@ -2,13 +2,15 @@

# Define KVM domain to create

resource "libvirt_domain" "db1" {
name = "db1"
resource "libvirt_domain" "domains" {
name = format("db%s", count.index)
memory = "1024"
vcpu = 1
running = "true"
autostart = "true"

count = var.number_domain

boot_device {
dev = ["hd", "network"]
}
@@ -18,14 +20,14 @@ resource "libvirt_domain" "db1" {
}

disk {
volume_id = libvirt_volume.my_root_debian.id
volume_id = element(libvirt_volume.root_debian.*.id, count.index)
}

disk {
volume_id = libvirt_volume.external_disk_1.id
volume_id = element(libvirt_volume.external_disk.*.id, count.index)
}

cloudinit = libvirt_cloudinit_disk.commoninit.id
cloudinit = libvirt_cloudinit_disk.commoninit[count.index].id

console {
type = "pty"


+ 9
- 4
stack/libvirtd.tf View File

@@ -13,9 +13,13 @@ terraform {
version = "~> 2.1"
}
libvirt = {
source = "dmacvicar/libvirt"
source = "dmacvicar/libvirt"
version = ">= 0.6.3"
}
docker = {
source = "kreuzwerker/docker"
version = "2.11.0"
}
}

backend "etcdv3" {
@@ -35,15 +39,16 @@ provider "libvirt" {

resource "null_resource" "delay_10s" {
provisioner "local-exec" {
command = "sleep 10"
command = "sleep 120"
}
triggers = {
"before" = libvirt_domain.db1.id
// trigger after last domain created
"after" = libvirt_domain.domains[var.number_domain - 1].id
}
}

# Output Server IP
output "ip" {
value = libvirt_domain.db1.network_interface
value = libvirt_domain.domains.*.network_interface
depends_on = [null_resource.delay_10s]
}

+ 7
- 0
stack/networks.tf View File

@@ -9,4 +9,11 @@ resource "libvirt_network" "private_network" {
dhcp {
enabled = true
}
dns {
enabled = true
local_only = true
forwarders {
address = var.dns_address
}
}
}

+ 7
- 7
stack/variable.tf View File

@@ -4,16 +4,16 @@ variable "ip" {
description = "fixed ip address for compute"
}

variable "hostname" {
variable "number_domain" {
type = string
default = "compute-1"
description = "compute hostname"
default = "3"
description = "number of domain"
}

variable "dns_domain" {
variable "hostname" {
type = string
default = "localdomain"
description = "dns domain name"
default = "compute"
description = "compute hostname"
}

variable "dns_address" {
@@ -30,7 +30,7 @@ variable "pool_1" {

variable "debian_buster_qcow2" {
type = string
default = "debian-buster.qcow2"
default = "debian-10.7.0-with-docker.qcow2"
description = "already created debian vol, set with variable because libvirt provider dont' wotk with data resource"
}



+ 9
- 7
stack/volumes.tf View File

@@ -4,21 +4,23 @@
# ~> Tip: when provisioning multiple domains using the same base image, create a libvirt_volume for the base image and then define
# the domain specific ones as based on it. This way the image will not be modified and no extra disk space is going to be used for the base image.

resource "libvirt_volume" "my_root_centos" {
resource "libvirt_volume" "root_centos" {
name = "my-root-centos"
pool = var.pool_1
base_volume_name = var.centos7_qcow2
}

resource "libvirt_volume" "my_root_debian" {
name = "my-root-debian"
resource "libvirt_volume" "root_debian" {
name = format("root-debian-%s", count.index)
pool = var.pool_1
base_volume_name = var.debian_buster_qcow2
count = var.number_domain
}

resource "libvirt_volume" "external_disk_1" {
name = "external-disk-1"
resource "libvirt_volume" "external_disk" {
name = format("external-disk-%s", count.index)
# 10Gb
size = 10737418240
pool = var.pool_1
size = 10737418240
pool = var.pool_1
count = var.number_domain
}

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