feat: add 1tier_public_vm_farm terraform approach

clouds/g1/brno/vo.enes.org/terraform/main.tf

@@ -5,16 +5,17 @@ terraform {
 module "toplevel" {
   # two tier infrastructure (2tier_public_bastion_private_vm_farm module):
   # * single public facing tiny bastion VM
-  # * N private HPC VM farm
+  # * <nodes_count> private HPC VM farm
   source                  = "./modules/2tier_public_bastion_private_vm_farm"
+  # single tier infrastructure (1tier_public_vm_farm monule)
+  # * <nodes_count> public HPC VM farm
+  #source                  = "./modules/1tier_public_vm_farm"
 
   infra_name              = "vo-enes-org-tf-demo"
 
   nodes_count             = 3
   nodes_extra_volume_size = 1000  # in GB
 
-  #bastion_flavor          = "standard.medium"
-  #bastion_image           = "ubuntu-jammy-x86_64"
   #nodes_flavor            = "hpc.16core-32ram"
   #nodes_image             = "ubuntu-jammy-x86_64"
 }

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/instances.tf

+../common/instances.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/keypair.tf

+../common/keypair.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/networks.tf

+../common/networks.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/nodes-cloudinit.txt

+../common/nodes-cloudinit.txt
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/nodes-networks.tf

+# Floating IPs
+resource "openstack_networking_floatingip_v2" "nodes_fips" {
+  count    = var.nodes_count
+  pool     = var.public_external_network
+}
+
+resource "openstack_compute_floatingip_associate_v2" "nodes_fips_associations" {
+  count       = var.nodes_count
+  floating_ip = element(openstack_networking_floatingip_v2.nodes_fips.*.address, count.index)
+  instance_id = element(openstack_compute_instance_v2.nodes.*.id, count.index)
+}

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/providers.tf

+../common/providers.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/secgroup_rules.tf

+../common/secgroup_rules.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/variables.tf

+variable "infra_name" {
+  description = "Infrastructure (profile) name. Used as a name prefix. Must match [a-zA-Z0-9-]+ regexp."
+  default     = "vo-enes-org-tf-demo"
+}
+
+variable "ssh_public_key" {
+  default = "~/.ssh/id_rsa.pub"
+}
+
+
+#########################
+# master nodes settings #
+#########################
+
+variable "nodes_count" {
+  default = 1
+}
+
+variable "nodes_name" {
+  description = "Name of the nodes. Must match [a-zA-Z0-9-]+ regexp."
+  default = "server"
+}
+
+variable "bastion_name" {
+  description = "Name of the bastion VM. Must match [a-zA-Z0-9-]+ regexp."
+  default = "bastion-server"
+}
+
+variable "bastion_flavor" {
+  default = "standard.small"
+}
+
+variable "nodes_flavor" {
+  default = "hpc.16core-32ram"
+}
+
+
+variable "int_network" {
+  description = "Internal network address, use CIDR notation"
+  default     = "10.10.10.0/24"
+}
+
+variable "public_external_network" {
+  description = "Cloud public external network pool"
+  default     = "public-cesnet-195-113-167-GROUP"
+}
+
+
+variable "bastion_image" {
+  description = "Bastion OS: Image name"
+  default     = "ubuntu-jammy-x86_64"
+}
+
+variable "nodes_image" {
+  description = "nodes OS: Image name"
+  default     = "ubuntu-jammy-x86_64"
+}
+
+variable "bastion_ssh_user_name" {
+  default = "ubuntu"
+}
+
+variable "nodes_ssh_user_name" {
+  default = "ubuntu"
+}
+
+
+variable "nodes_volume_size" {
+  description = "The size of the volume to create (in gigabytes) for root filesystem. "
+  default     = "10"
+}
+
+variable "nodes_extra_volume_size" {
+  description = "The size of the volume to create (in gigabytes) for extra data."
+  default     = "10"
+}
+
+variable "nodes_extra_volume_type" {
+  description = "The type of extra volume."
+  default     = "ceph-extra-ec"
+}

clouds/g1/brno/vo.enes.org/terraform/modules/1tier_public_vm_farm/volumes.tf

+../common/volumes.tf
\ No newline at end of file

clouds/g1/brno/vo.enes.org/terraform/modules/2tier_public_bastion_private_vm_farm/variables.tf

@@ -27,7 +27,7 @@ variable "bastion_name" {
 }
 
 variable "bastion_flavor" {
-  default = "standard.medium"
+  default = "standard.small"
 }
 
 variable "nodes_flavor" {