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150 lines
3.6 KiB
HCL
150 lines
3.6 KiB
HCL
variable "node-count" {
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default = 0
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}
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variable "preemptible" {
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default = true
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}
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variable "big" {
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default = false
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}
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provider "google" {
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project = "mitogen-load-testing"
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region = "europe-west1"
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zone = "europe-west1-d"
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}
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resource "google_compute_instance" "controller" {
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name = "ansible-controller"
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machine_type = "${var.big ? "n1-highcpu-32" : "custom-1-1024"}"
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allow_stopping_for_update = true
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can_ip_forward = true
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boot_disk {
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initialize_params {
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image = "debian-cloud/debian-9"
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}
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}
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scheduling {
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preemptible = true
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automatic_restart = false
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}
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network_interface {
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subnetwork = "${google_compute_subnetwork.loadtest-subnet.self_link}"
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access_config = {}
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}
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provisioner "local-exec" {
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command = <<-EOF
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ip=${google_compute_instance.controller.network_interface.0.access_config.0.nat_ip};
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ssh-keygen -R $ip;
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ssh-keyscan $ip >> ~/.ssh/known_hosts;
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sed -ri -e "s/.*CONTROLLER_IP_HERE.*/ Hostname $ip/" ~/.ssh/config;
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ansible-playbook -i $ip, controller.yml
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EOF
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}
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}
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resource "google_compute_network" "loadtest" {
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name = "loadtest"
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auto_create_subnetworks = false
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}
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resource "google_compute_subnetwork" "loadtest-subnet" {
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name = "loadtest-subnet"
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ip_cidr_range = "10.19.0.0/16"
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network = "${google_compute_network.loadtest.id}"
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}
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resource "google_compute_firewall" "allow-all-in" {
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name = "allow-all-in"
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network = "${google_compute_network.loadtest.name}"
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direction = "INGRESS"
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allow {
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protocol = "all"
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}
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}
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resource "google_compute_firewall" "allow-all-out" {
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name = "allow-all-out"
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network = "${google_compute_network.loadtest.name}"
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direction = "EGRESS"
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allow {
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protocol = "all"
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}
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}
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resource "google_compute_route" "route-nodes-via-controller" {
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name = "route-nodes-via-controller"
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dest_range = "0.0.0.0/0"
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network = "${google_compute_network.loadtest.name}"
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next_hop_instance = "${google_compute_instance.controller.self_link}"
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next_hop_instance_zone = "${google_compute_instance.controller.zone}"
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priority = 800
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tags = ["node"]
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}
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resource "google_compute_instance_template" "node" {
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name = "node"
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tags = ["node"]
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machine_type = "custom-1-1024"
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scheduling {
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preemptible = "${var.preemptible}"
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automatic_restart = false
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}
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disk {
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source_image = "debian-cloud/debian-9"
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auto_delete = true
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boot = true
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}
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network_interface {
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subnetwork = "${google_compute_subnetwork.loadtest-subnet.self_link}"
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}
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}
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#
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# Compute Engine tops out at 1000 VMs per group
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#
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resource "google_compute_instance_group_manager" "nodes-a" {
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name = "nodes-a"
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base_instance_name = "node"
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instance_template = "${google_compute_instance_template.node.self_link}"
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target_size = "${var.node-count / 4}"
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}
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resource "google_compute_instance_group_manager" "nodes-b" {
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name = "nodes-b"
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base_instance_name = "node"
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instance_template = "${google_compute_instance_template.node.self_link}"
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target_size = "${var.node-count / 4}"
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}
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resource "google_compute_instance_group_manager" "nodes-c" {
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name = "nodes-c"
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base_instance_name = "node"
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instance_template = "${google_compute_instance_template.node.self_link}"
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target_size = "${var.node-count / 4}"
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}
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resource "google_compute_instance_group_manager" "nodes-d" {
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name = "nodes-d"
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base_instance_name = "node"
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instance_template = "${google_compute_instance_template.node.self_link}"
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target_size = "${var.node-count / 4}"
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}
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