Converted router configuration file from .conf to JSON.

examples/gcp/router.tf

@@ -6,29 +6,26 @@ locals {
   supply_pki = var.ca_cert_file != ""
 
   cloud_init_vars = {
-    hostname            = var.name
-    fqdn                = var.local_fqdn
-    repo_url            = var.repo_url
-    repo_gpg_key        = data.http.repo_gpg_key.response_body
-    ubuntu_codename     = var.ubuntu_codename
-    platform            = "gcp"
-    mode                = "auto"
-    external_interface  = ""
-    internal_interface  = ""
-    local_id_mode       = var.local_id_mode
-    local_cidrs         = var.local_cidrs
-    int_addr            = ""
-    int_gateway_ip      = ""
-    remote_addrs        = var.remote_addrs
-    remote_id           = var.remote_id
-    remote_cidrs        = var.remote_cidrs
-    psk_b64             = base64encode(var.psk)
-    p2s_enabled         = var.p2s_enabled
-    p2s_address_pool    = var.p2s_address_pool
-    p2s_ca_name         = "VPN Router CA"
-    wg_enabled          = var.wireguard_enabled
-    wg_address          = var.wireguard_address
-    wg_listen_port      = var.wireguard_listen_port
+    hostname        = var.name
+    fqdn            = var.local_fqdn
+    repo_url        = var.repo_url
+    repo_gpg_key    = data.http.repo_gpg_key.response_body
+    ubuntu_codename = var.ubuntu_codename
+
+    # Contents of /etc/vpn-router/vpn-router.json.
+    config = {
+      general = { platform = "gcp", mode = "auto" }
+      wan     = { local_fqdn = var.local_fqdn, local_id_mode = var.local_id_mode }
+      local   = { cidrs = [for c in split(",", var.local_cidrs) : trimspace(c) if trimspace(c) != ""] }
+      remote = {
+        addrs = [for a in split(",", var.remote_addrs) : trimspace(a) if trimspace(a) != ""]
+        id    = var.remote_id
+        cidrs = local.remote_cidr_list
+        psk   = var.psk
+      }
+      p2s       = { enabled = var.p2s_enabled, address_pool = var.p2s_address_pool, ca_name = "VPN Router CA" }
+      wireguard = { enabled = var.wireguard_enabled, address = var.wireguard_address, listen_port = var.wireguard_listen_port }
+    }
   }
 
   cloud_init_rendered = local.supply_pki ? templatefile("${path.module}/../cloud-init-with-pki.yaml.tpl", merge(local.cloud_init_vars, {