feat: divide nodes into master and follower categories and show

classification in ansible inventory file
This commit is contained in:
Aravinth Manivannan 2023-07-08 13:41:40 +05:30
parent 686ae05ce7
commit 7733a31986
Signed by: realaravinth
GPG key ID: AD9F0F08E855ED88
2 changed files with 98 additions and 23 deletions

View file

@ -28,17 +28,28 @@ resource "libvirt_volume" "centos8-qcow2" {
format = "qcow2"
}
variable "vm_count" {
default = 3
variable "master_count" {
default = 1
}
resource "libvirt_volume" "domain_centos_basic_volume" {
name = "domain_centos_basic_volume-${count.index}"
variable "follower_count" {
default = 2
}
resource "libvirt_volume" "domain_centos_master_volume" {
name = "domain_centos_master_volume-${count.index}"
base_volume_id = libvirt_volume.centos8-qcow2.id
count = var.vm_count
count = var.master_count
size = 85368709120
}
resource "libvirt_volume" "domain_centos_follower_volume" {
name = "domain_centos_follower_volume-${count.index}"
base_volume_id = libvirt_volume.centos8-qcow2.id
count = var.follower_count
size = 85368709120
}
@ -61,11 +72,11 @@ resource "libvirt_cloudinit_disk" "commoninit" {
pool = libvirt_pool.centos_basic.name
}
# Create the machine
resource "libvirt_domain" "domain_centos_basic" {
count = var.vm_count
# Create the follower machine
resource "libvirt_domain" "domain_centos_follower" {
count = var.follower_count
name = "centos_basic_${count.index}"
name = "centos_follower_${count.index}"
memory = "3000"
vcpu = 4
@ -92,7 +103,48 @@ resource "libvirt_domain" "domain_centos_basic" {
}
disk {
volume_id = element(libvirt_volume.domain_centos_basic_volume.*.id, count.index)
volume_id = element(libvirt_volume.domain_centos_follower_volume.*.id, count.index)
}
graphics {
type = "spice"
listen_type = "address"
autoport = true
}
}
# Create the machine
resource "libvirt_domain" "domain_centos_master" {
count = var.master_count
name = "centos_master_${count.index}"
memory = "3000"
vcpu = 4
cloudinit = libvirt_cloudinit_disk.commoninit.id
network_interface {
network_name = "default"
wait_for_lease = true
}
# IMPORTANT: this is a known bug on cloud images, since they expect a console
# we need to pass it
# https://bugs.launchpad.net/cloud-images/+bug/1573095
console {
type = "pty"
target_port = "0"
target_type = "serial"
}
console {
type = "pty"
target_type = "virtio"
target_port = "1"
}
disk {
volume_id = element(libvirt_volume.domain_centos_master_volume.*.id, count.index)
}
graphics {
@ -103,21 +155,34 @@ resource "libvirt_domain" "domain_centos_basic" {
}
locals {
vm_ips = [for i in libvirt_domain.domain_centos_basic : i.network_interface.0.addresses[0]]
vm_names = [for i in libvirt_domain.domain_centos_basic : i.name]
follower_vm_ips = [for i in libvirt_domain.domain_centos_follower : i.network_interface.0.addresses[0]]
follower_vm_names = [for i in libvirt_domain.domain_centos_follower : i.name]
# vm_names = zipmap(vm_names, vm_ips)
vm_map = [for i in libvirt_domain.domain_centos_basic : {
follower_vm_map = [for i in libvirt_domain.domain_centos_follower : {
ip = i.network_interface.0.addresses[0],
name = i.name
}]
master_vm_ips = [for i in libvirt_domain.domain_centos_master : i.network_interface.0.addresses[0]]
master_vm_names = [for i in libvirt_domain.domain_centos_master : i.name]
# vm_names = zipmap(vm_names, vm_ips)
master_vm_map = [for i in libvirt_domain.domain_centos_master : {
ip = i.network_interface.0.addresses[0],
name = i.name
}]
# libvirt_domain.domain_centos_basic.*.network_interface.0.addresses[0]
}
output "centos_ip" {
output "centos_follower_ip" {
#value = [local.vm_ips, local.vm_names]
value = local.vm_map
value = local.follower_vm_map
}
output "centos_master_ip" {
#value = [local.vm_ips, local.vm_names]
value = local.master_vm_map
}
resource "local_file" "hosts_yml" {
@ -132,9 +197,14 @@ resource "local_file" "hosts_yml" {
# EOT
content = templatefile("./templates/hosts.yml.tftpl",
{
vm_ips = local.vm_ips,
vm_names = local.vm_names,
vms = local.vm_map
follower_vm_ips = local.follower_vm_ips,
follower_vm_names = local.follower_vm_names,
follower_vms = local.follower_vm_map,
master_vm_ips = local.master_vm_ips,
master_vm_names = local.master_vm_names,
master_vms = local.master_vm_map
})
filename = "./ansible/inventory/hosts.ini"

View file

@ -1,4 +1,9 @@
[debainbasic]
%{ for vm in vms ~}
[centos_master]
%{ for vm in master_vms ~}
${vm.name} ansible_host=${vm.ip} ansible_user=root
%{ endfor ~}
[centos_follower]
%{ for vm in follower_vms ~}
${vm.name} ansible_host=${vm.ip} ansible_user=root
%{ endfor ~}