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instances.tf
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instances.tf
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resource "google_compute_region_instance_group_manager" "default" {
name = "demoserver-instancegroup-tf"
base_instance_name = "demoserver"
instance_template = "${google_compute_instance_template.default.self_link}"
region = "${var.region_a}"
distribution_policy_zones = [ "${var.region_a_zone}"]
target_size = 1
named_port {
name = "http"
port = 80
}
}
resource "google_compute_region_autoscaler" "default" {
name = "demoserver-autoscaler-tf"
target = "${google_compute_region_instance_group_manager.default.self_link}"
autoscaling_policy = {
max_replicas = 1
min_replicas = 1
cooldown_period = 60
cpu_utilization {
target = 0.6
}
}
region = "${var.region_a}"
}
resource "google_compute_instance_template" "default" {
name = "demoserver-template-tf"
description = "This template is used to create app server instances."
tags = ["http-server", "https-server"]
labels = {
environment = "${var.endpoint_name}"
docker = "true"
webserver = "true"
terraform_managed = "true"
}
instance_description = "Used for hosting docker containers for endpoints"
machine_type = "f1-micro"
can_ip_forward = false
scheduling {
automatic_restart = true
on_host_maintenance = "MIGRATE"
}
// Create a new boot disk from an image
disk {
source_image = "ubuntu-minimal-1804-bionic-v20190429"
auto_delete = true
boot = true
}
network_interface {
network = "default"
access_config {
nat_ip = ""
}
}
metadata {
"startup-script" = "${data.template_file.instance-startup-script.rendered}"
}
service_account {
scopes = [
"https://www.googleapis.com/auth/service.management.readonly",
"https://www.googleapis.com/auth/logging.write",
"https://www.googleapis.com/auth/monitoring.write",
"https://www.googleapis.com/auth/trace.append",
"https://www.googleapis.com/auth/servicecontrol",
"https://www.googleapis.com/auth/devstorage.read_only",
]
}
}
data "template_file" "instance-startup-script" {
template = "${file("${path.module}/instance-startup-script.sh")}"
vars {
service_name = "${var.endpoint_name}.endpoints.${var.project_name}.cloud.goog"
}
}
output "instance_group_manager" {
value = "${google_compute_region_instance_group_manager.default.instance_group}"
}