feat(terraform): DigitalOcean move

terraform/prd-cluster-ahoyworld/backend.tf

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+terraform {
+  cloud {
+    organization = "freecodecamp"
+    workspaces {
+      name    = "tfws-prd-ahoyworld"
+      project = "DigitalOcean"
+    }
+  }
+}

terraform/prd-cluster-ahoyworld/main.tf

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+locals {
+  zone = "freecodecamp.net"
+}
+
+data "hcp_packer_artifact" "do_ubuntu" {
+  bucket_name  = "digitalocean-ubuntu"
+  channel_name = "latest"
+  platform     = "digitalocean"
+  region       = "nyc3"
+}
+
+data "cloudflare_zone" "cf_zone" {
+  name = local.zone
+}
+
+# data "linode_instances" "ops_standalone_backoffice" {
+#   filter {
+#     name = "label"
+#     values = [
+#       "ops-vm-backoffice",
+#     ]
+#   }
+# }
+
+locals {
+  pxy_node_count = 3 # number of proxy nodes
+  api_node_count = 3 # number of api nodes
+  clt_node_count = 2 # number of client nodes for EACH LANGUAGE!
+  jms_node_count = 3 # number of JAMStack nodes
+}
+
+locals {
+  ipam_block_pxy = 10  # 10.0.0.11, 10.0.0.12, ...
+  ipam_block_api = 20  # 10.0.0.21, 10.0.0.22, ...
+  ipam_block_clt = 40  # 10.0.0.41, 10.0.0.42, ...
+  ipam_block_nws = 100 # 10.0.0.100, 10.0.0.102, ...
+  ipam_block_jms = 120 # 10.0.0.120, 10.0.0.121, ...
+}
+
+// When removing an item, DO NOT change the IPAM number.
+locals {
+  nws_instances = {
+    # eng = { name = "eng", ipam_id = 0 }, # 10.0.0.100
+    chn = { name = "chn", ipam_id = 1 }, # 10.0.0.101
+    esp = { name = "esp", ipam_id = 2 }, # ...
+    ita = { name = "ita", ipam_id = 3 },
+    jpn = { name = "jpn", ipam_id = 4 },
+    kor = { name = "kor", ipam_id = 5 },
+    por = { name = "por", ipam_id = 6 },
+    ukr = { name = "ukr", ipam_id = 7 },
+    # ger = { name = "ger", ipam_id = 8 }
+  }
+
+  clt_config_meta = {
+    eng = { name = "eng", ipam_id = 0, node_count = local.clt_node_count },  # 10.0.0.40, 10.0.0.41, ...
+    chn = { name = "chn", ipam_id = 5, node_count = local.clt_node_count },  # 10.0.0.45, 10.0.0.46, ...
+    esp = { name = "esp", ipam_id = 10, node_count = local.clt_node_count }, # 10.0.0.50, 10.0.0.51, ...
+    ita = { name = "ita", ipam_id = 15, node_count = local.clt_node_count }, # 10.0.0.55, 10.0.0.56, ...
+    jpn = { name = "jpn", ipam_id = 20, node_count = local.clt_node_count }, # 10.0.0.60, 10.0.0.61, ...
+    # kor = { name = "kor", ipam_id = 6, node_count = local.clt_node_count },
+    por = { name = "por", ipam_id = 25, node_count = local.clt_node_count }, # 10.0.0.65, 10.0.0.66, ...
+    ukr = { name = "ukr", ipam_id = 30, node_count = local.clt_node_count }, # 10.0.0.70, 10.0.0.71, ...
+    ger = { name = "ger", ipam_id = 35, node_count = local.clt_node_count }, # 10.0.0.75, 10.0.0.76, ...
+    cnt = { name = "cnt", ipam_id = 40, node_count = local.clt_node_count }  # 10.0.0.80, 10.0.0.81, ...
+    swa = { name = "swa", ipam_id = 45, node_count = local.clt_node_count }  # 10.0.0.85, 10.0.0.86, ...
+  }
+
+  clt_instances = flatten([
+    [for k, v in local.clt_config_meta : [
+      for i in range(v.node_count) : {
+        name     = v.name
+        ipam_id  = v.ipam_id + i
+        instance = "${k}-${i}"
+      }
+    ]],
+  ])
+}

terraform/prd-cluster-ahoyworld/network.tf

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+resource "digitalocean_vpc" "prd_vpc" {
+  name        = "prd-ahoyworld-vpc"
+  region      = "nyc3"
+  description = "Production VPC for AhoyWorld"
+  ip_range    = "10.0.0.0/20"
+}
+
+resource "digitalocean_firewall" "prd_fw_internal" {
+  name = "prd-ahoyworld-fw-internal"
+
+  inbound_rule {
+    protocol   = "tcp"
+    port_range = "22"
+    source_addresses = [
+      "0.0.0.0/0",
+      "::/0",
+    ]
+  }
+
+  inbound_rule {
+    protocol   = "tcp"
+    port_range = "1-65535"
+    source_addresses = [
+      digitalocean_vpc.prd_vpc.ip_range
+    ]
+  }
+}
+
+resource "digitalocean_firewall" "prd_fw_external" {
+  name = "prd-ahoyworld-fw-external"
+
+  inbound_rule {
+    protocol   = "tcp"
+    port_range = "22"
+    source_addresses = [
+      "0.0.0.0/0",
+      "::/0",
+    ]
+  }
+
+  inbound_rule {
+    protocol   = "tcp"
+    port_range = "80"
+    source_addresses = [
+      "0.0.0.0/0",
+      "::/0",
+    ]
+  }
+
+  inbound_rule {
+    protocol   = "tcp"
+    port_range = "443"
+    source_addresses = [
+      "0.0.0.0/0",
+      "::/0",
+    ]
+  }
+}

terraform/prd-cluster-ahoyworld/outputs.tf

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+

terraform/prd-cluster-ahoyworld/providers.tf

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+provider "digitalocean" {
+  token = var.do_token
+}
+
+provider "hcp" {
+  client_id     = var.hcp_client_id
+  client_secret = var.hcp_client_secret
+}
+
+provider "cloudflare" {
+  api_token = var.cloudflare_api_token
+}

terraform/prd-cluster-ahoyworld/variables.tf

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+variable "do_token" {
+  description = "The Digital Ocean API token."
+  type        = string
+  sensitive   = true
+}
+
+variable "hcp_client_id" {
+  description = "The client ID for the HCP API."
+  type        = string
+  sensitive   = true
+}
+
+variable "hcp_client_secret" {
+  description = "The client secret for the HCP API."
+  type        = string
+  sensitive   = true
+}
+
+variable "cloudflare_api_token" {
+  type        = string
+  description = "Cloudflare API Token"
+}
+
+variable "cloudflare_account_id" {
+  type        = string
+  description = "Cloudflare Account ID"
+}

terraform/prd-cluster-ahoyworld/versions.tf

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+terraform {
+  required_providers {
+    digitalocean = {
+      source  = "digitalocean/digitalocean"
+      version = "2.43.0"
+    }
+
+    cloudflare = {
+      source  = "cloudflare/cloudflare"
+      version = "4.44.0"
+    }
+
+    hcp = {
+      source  = "hashicorp/hcp"
+      version = "0.97.0"
+    }
+  }
+  required_version = ">= 1"
+}