Created
June 13, 2020 11:03
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Terraform GCP
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provider "google" { | |
credentials = file("service-account.json") # the file that holds your credentials | |
project = var.project_name | |
region = var.region | |
zone = var.region_zone | |
} | |
resource "random_id" "instance_id" { | |
byte_length = 4 | |
} | |
resource "google_compute_instance" "cluster1" { | |
name = "armor-gce-${random_id.instance_id.hex}" | |
machine_type = "f1-micro" | |
boot_disk { | |
initialize_params { | |
image = "debian-cloud/debian-9" | |
} | |
} | |
network_interface { | |
network = "default" | |
access_config { | |
} | |
} | |
metadata_startup_script = "sudo apt-get update; sudo apt-get install -yq nginx; sudo service nginx restart" | |
} | |
resource "google_compute_firewall" "cluster1" { | |
name = "armor-firewall" | |
network = "default" | |
allow { | |
protocol = "tcp" | |
ports = ["80", "43"] | |
} | |
} | |
resource "google_compute_instance_group" "webservers" { | |
name = "instance-group-all" | |
description = "An instance group for the single GCE instance" | |
instances = [ | |
google_compute_instance.cluster1.self_link, | |
] | |
named_port { | |
name = "http" | |
port = "80" | |
} | |
} | |
resource "google_compute_target_pool" "example" { | |
name = "armor-pool" | |
instances = [ | |
google_compute_instance.cluster1.self_link, | |
] | |
health_checks = [ | |
google_compute_http_health_check.health.name, | |
] | |
} | |
resource "google_compute_http_health_check" "health" { | |
name = "armor-healthcheck" | |
request_path = "/" | |
check_interval_sec = 1 | |
timeout_sec = 1 | |
} | |
resource "google_compute_backend_service" "website" { | |
name = "armor-backend" | |
description = "Our company website" | |
port_name = "http" | |
protocol = "HTTP" | |
timeout_sec = 10 | |
enable_cdn = false | |
backend { | |
group = google_compute_instance_group.webservers.self_link | |
} | |
security_policy = google_compute_security_policy.security-policy-1.self_link | |
health_checks = [google_compute_http_health_check.health.self_link] | |
} | |
resource "google_compute_security_policy" "security-policy-1" { | |
name = "armor-security-policy" | |
description = "example security policy" | |
rule { | |
action = "deny(403)" | |
priority = "2147483647" | |
match { | |
versioned_expr = "SRC_IPS_V1" | |
config { | |
src_ip_ranges = ["*"] | |
} | |
} | |
description = "Default rule, higher priority overrides it" | |
} | |
rule { | |
action = "allow" | |
priority = "1000" | |
match { | |
versioned_expr = "SRC_IPS_V1" | |
config { | |
src_ip_ranges = var.ip_white_list | |
} | |
} | |
description = "allow traffic from 192.0.2.0/24" | |
} | |
} | |
resource "google_compute_global_forwarding_rule" "default" { | |
name = "armor-rule" | |
target = google_compute_target_http_proxy.default.self_link | |
port_range = "80" | |
} | |
resource "google_compute_target_http_proxy" "default" { | |
name = "armor-proxy" | |
url_map = google_compute_url_map.default.self_link | |
} | |
resource "google_compute_url_map" "default" { | |
name = "armor-url-map" | |
default_service = google_compute_backend_service.website.self_link | |
host_rule { | |
hosts = ["mysite.com"] | |
path_matcher = "allpaths" | |
} | |
path_matcher { | |
name = "allpaths" | |
default_service = google_compute_backend_service.website.self_link | |
path_rule { | |
paths = ["/*"] | |
service = google_compute_backend_service.website.self_link | |
} | |
} | |
} | |
output "ip" { | |
value = google_compute_global_forwarding_rule.default.ip_address | |
} | |
variable "region" { | |
default = "us-west1" | |
} | |
variable "region_zone" { | |
default = "us-west1-a" | |
} | |
variable "project_name" { | |
default = "terraform-demo-cfp" | |
description = "The ID of the Google Cloud project" | |
} | |
variable "ip_white_list" { | |
description = "A list of ip addresses that can be white listed through security policies" | |
default = ["192.0.2.0/24"] | |
} |
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