Skip to content

Migrated MIG example to TF 0.12 syntax and compatible modules #41

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
morgante merged 1 commit into from
Oct 9, 2019
Merged

Migrated MIG example to TF 0.12 syntax and compatible modules #41

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
111 changes: 79 additions & 32 deletions examples/managed_instance_group/main.tf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,19 @@ locals {
"130.211.0.0/22",
"35.191.0.0/16",
]
target_tags = [
"container-vm-test-mig"
]
}

provider "google" {
region = var.region
project = var.project_id
version = "~> 2.7.0"
}

provider "google-beta" {
project = var.project_id
version = "~> 2.7.0"
}

module "gce-container" {
Expand All @@ -33,43 +42,79 @@ module "gce-container" {
}
}

module "mig" {
source = "GoogleCloudPlatform/managed-instance-group/google"
version = "1.1.14"
project = var.project_id
region = var.region
zone = var.zone
name = var.mig_name
machine_type = var.machine_type
compute_image = module.gce-container.source_image
size = var.mig_instance_count
service_port = var.image_port
service_port_name = "http"
http_health_check = "true"
subnetwork = var.subnetwork
subnetwork_project = var.subnetwork_project
ssh_source_ranges = ["0.0.0.0/0"]
target_tags = ["container-vm-test-mig"]

metadata = merge(var.additional_metadata, map("gce-container-declaration", module.gce-container.metadata_value))

instance_labels = {
resource "google_compute_network" "default" {
name = var.network
auto_create_subnetworks = "false"
}

resource "google_compute_subnetwork" "default" {
name = var.network
ip_cidr_range = "10.125.0.0/20"
network = google_compute_network.default.self_link
region = var.region
private_ip_google_access = true
}

# Router and Cloud NAT are required for installing packages from repos (apache, php etc)
resource "google_compute_router" "default" {
name = "${var.network}-gw-group1"
network = google_compute_network.default.self_link
region = var.region
}

module "cloud-nat" {
source = "terraform-google-modules/cloud-nat/google"
version = "~> 1.0.0"
router = google_compute_router.default.name
project_id = var.project_id
region = var.region
name = "${var.network}-cloud-nat-group1"
}

module "mig_template" {
source = "terraform-google-modules/vm/google//modules/instance_template"
version = "~> 1.0.0"
network = google_compute_network.default.self_link
subnetwork = google_compute_subnetwork.default.self_link
service_account = var.service_account
name_prefix = var.network
source_image_family = "cos-stable"
source_image_project = "cos-cloud"
source_image = reverse(split("/", module.gce-container.source_image))[0]
metadata = merge(var.additional_metadata, map("gce-container-declaration", module.gce-container.metadata_value))
tags = [
"container-vm-test-mig"
]
labels = {
"container-vm" = module.gce-container.vm_container_label
}
}

service_account_scopes = [
"https://www.googleapis.com/auth/cloud-platform",
module "mig" {
source = "terraform-google-modules/vm/google//modules/mig"
version = "~> 1.0.0"
instance_template = module.mig_template.self_link
region = var.region
hostname = var.network
target_size = var.mig_instance_count
named_ports = [
{
name = "http",
port = var.image_port
}
]

wait_for_instances = true
network = google_compute_network.default.self_link
subnetwork = var.subnetwork
}

module "http-lb" {
source = "github.com/GoogleCloudPlatform/terraform-google-lb-http"
source = "../../../terraform-google-lb-http/"
project = var.project_id
name = "${var.mig_name}-lb"
firewall_networks = []
target_tags = [module.mig.target_tags]
firewall_networks = [
google_compute_network.default.self_link
]
target_tags = local.target_tags

backends = {
"0" = [
Expand All @@ -91,9 +136,11 @@ resource "google_compute_firewall" "lb-to-instances" {

allow {
protocol = "tcp"
ports = [var.image_port]
ports = [
var.image_port
]
}

source_ranges = [local.google_load_balancer_ip_ranges]
target_tags = [module.mig.target_tags]
source_ranges = local.google_load_balancer_ip_ranges
target_tags = local.target_tags
}
5 changes: 0 additions & 5 deletions examples/managed_instance_group/outputs.tf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,11 +19,6 @@ output "project_id" {
value = var.project_id
}

output "zone" {
description = "The zone the GCE instance was deployed into"
value = var.zone
}

output "vm_container_label" {
description = "The instance label containing container configuration"
value = module.gce-container.vm_container_label
Expand Down
41 changes: 26 additions & 15 deletions examples/managed_instance_group/variables.tf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,52 +16,63 @@

variable "project_id" {
description = "The project ID to deploy resource into"
}

variable "subnetwork_project" {
description = "The project ID where the desired subnetwork is provisioned"
type = string
}

variable "subnetwork" {
description = "The name of the subnetwork to deploy instances into"
type = string
default = "mig-subnet"
}

variable "mig_name" {
description = "The desired name to assign to the deployed managed instance group"
type = string
default = "mig-test"
}

variable "mig_instance_count" {
description = "The number of instances to place in the managed instance group"
type = string
default = "2"
}

variable "image" {
description = "The Docker image to deploy to GCE instances"
type = string
default = "gcr.io/google-samples/hello-app:1.0"
}

variable "image_port" {
description = "The port the image exposes for HTTP requests"
}

variable "restart_policy" {
description = "The desired Docker restart policy for the deployed image"
}

variable "machine_type" {
description = "The GCP machine type to deploy"
type = number
default = 8080
}

variable "region" {
description = "The GCP region to deploy instances into"
type = string
}

variable "zone" {
description = "The GCP zone to deploy instances into"
variable "network" {
description = "The GCP network"
type = string
default = "mig-net"
}

variable "additional_metadata" {
type = "map"
type = map
description = "Additional metadata to attach to the instance"
default = {}
}

variable "service_account" {
type = object({
email = string,
scopes = list(string)
})
default = {
email = ""
scopes = ["cloud-platform"]
}
}