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main.tf
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main.tf
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terraform {
required_providers {
crusoe = {
source = "registry.terraform.io/crusoecloud/crusoe"
}
ansible = {
version = "~> 1.3.0"
source = "ansible/ansible"
}
}
}
locals {
ssh_public_key = file(var.ssh_public_key_path)
}
resource "crusoe_compute_instance" "slurm_head_node" {
count = var.slurm_head_node_count
name = "slurm-head-node-${count.index}"
type = var.slurm_head_node_type
ssh_key = local.ssh_public_key
location = var.location
project_id = var.project_id
image = "ubuntu22.04-nvidia-slurm:12.4"
reservation_id = var.slurm_head_node_reservation_id
host_channel_adapters = var.slurm_head_node_ib_partition_id != null ? [{
ib_partition_id = var.slurm_head_node_ib_partition_id
}]: null
network_interfaces = [{
subnet = var.vpc_subnet_id,
public_ipv4 = {
type = "static"
}
}]
}
resource "crusoe_compute_instance" "slurm_login_node" {
count = var.slurm_login_node_count
name = "slurm-login-node-${count.index}"
type = var.slurm_login_node_type
ssh_key = local.ssh_public_key
location = var.location
project_id = var.project_id
image = "ubuntu22.04-nvidia-slurm:12.4"
reservation_id = var.slurm_login_node_reservation_id
host_channel_adapters = var.slurm_login_node_ib_partition_id != null ? [{
ib_partition_id = var.slurm_login_node_ib_partition_id
}]: null
network_interfaces = [{
subnet = var.vpc_subnet_id,
public_ipv4 = {
type = "static"
}
}]
disks = [for v in var.slurm_shared_volumes: {
id = v.id
mode = v.mode
attachment_type = "data"
}]
}
resource "crusoe_storage_disk" "slurm_nfs_home" {
name = "slurm-nfs-home"
size = var.slurm_nfs_home_size
location = var.location
project_id = var.project_id
}
resource "crusoe_compute_instance" "slurm_nfs_node" {
count = 1
name = "slurm-nfs-node-${count.index}"
type = var.slurm_nfs_node_type
ssh_key = local.ssh_public_key
location = var.location
project_id = var.project_id
image = "ubuntu22.04:latest"
disks = [{
id = crusoe_storage_disk.slurm_nfs_home.id
mode = "read-write"
attachment_type = "data"
}]
reservation_id = var.slurm_nfs_node_reservation_id
host_channel_adapters = var.slurm_nfs_node_ib_partition_id != null ? [{
ib_partition_id = var.slurm_nfs_node_ib_partition_id
}]: null
network_interfaces = [{
subnet = var.vpc_subnet_id,
public_ipv4 = {
type = "static"
}
}]
}
resource "crusoe_compute_instance" "slurm_compute_node" {
count = var.slurm_compute_node_count
name = "slurm-compute-node-${count.index}"
type = var.slurm_compute_node_type
ssh_key = local.ssh_public_key
location = var.location
project_id = var.project_id
image = "ubuntu22.04-nvidia-slurm:12.4"
reservation_id = var.slurm_compute_node_reservation_id
host_channel_adapters = var.slurm_compute_node_ib_partition_id != null ? [{
ib_partition_id = var.slurm_compute_node_ib_partition_id
}]: null
network_interfaces = [{
subnet = var.vpc_subnet_id,
public_ipv4 = {
type = "static"
}
}]
disks = [for v in var.slurm_shared_volumes: {
id = v.id
mode = v.mode
attachment_type = "data"
}]
}
resource "ansible_host" "slurm_nfs_node_host" {
for_each = {
for n in crusoe_compute_instance.slurm_nfs_node : n.name => n
}
name = each.value.name
groups = [
"slurm_nfs_nodes",
replace(split(".", each.value.type)[0], "-", "_"),
]
variables = {
ansible_host = each.value.network_interfaces[0].public_ipv4.address
instance_type = each.value.type
location = each.value.location
}
}
resource "ansible_host" "slurm_head_node_host" {
for_each = {
for n in crusoe_compute_instance.slurm_head_node : n.name => n
}
name = each.value.name
groups = [
"slurm_head_nodes",
replace(split(".", each.value.type)[0], "-", "_"),
]
variables = {
ansible_host = each.value.network_interfaces[0].public_ipv4.address
instance_type = each.value.type
location = each.value.location
}
}
resource "ansible_host" "slurm_login_node_host" {
for_each = {
for n in crusoe_compute_instance.slurm_login_node : n.name => n
}
name = each.value.name
groups = [
"slurm_compute_nodes",
replace(split(".", each.value.type)[0], "-", "_"),
]
variables = {
ansible_host = each.value.network_interfaces[0].public_ipv4.address
slurm_features = jsonencode([ "login" ])
instance_type = each.value.type
location = each.value.location
volumes = jsonencode(var.slurm_shared_volumes)
}
}
resource "ansible_host" "slurm_compute_node_host" {
for_each = {
for n in crusoe_compute_instance.slurm_compute_node : n.name => n
}
name = each.value.name
groups = [
"slurm_compute_nodes",
replace(split(".", each.value.type)[0], "-", "_"),
]
variables = {
ansible_host = each.value.network_interfaces[0].public_ipv4.address
slurm_features = jsonencode([ "batch" ])
instance_type = each.value.type
location = each.value.location
volumes = jsonencode(var.slurm_shared_volumes)
}
}
resource "ansible_group" "all" {
name = "all"
variables = {
slurm_users = jsonencode(var.slurm_users)
partitions = jsonencode(var.partitions)
}
}
resource "null_resource" "ansible_playbook" {
# Always run ansible-playbook.
triggers = {
always_run = "${timestamp()}"
}
provisioner "local-exec" {
command = "ansible-galaxy install -r ansible/roles/requirements.yml"
}
provisioner "local-exec" {
command = "ansible-playbook -i ansible/inventory/inventory.yml ansible/slurm.yml -f 128"
}
depends_on = [
ansible_host.slurm_nfs_node_host,
ansible_host.slurm_head_node_host,
ansible_host.slurm_login_node_host,
ansible_host.slurm_compute_node_host,
ansible_group.all
]
}