Add dynamic ansible inventory from terraform state

.terraform.lock.hcl

@@ -21,6 +21,29 @@ provider "registry.opentofu.org/aminueza/minio" {
   ]
 }
 
+provider "registry.opentofu.org/ansible/ansible" {
+  version     = "1.2.0"
+  constraints = "1.2.0"
+  hashes = [
+    "h1:+FFI791dQLSgrP3ldRPckp6kKHKPByGlZnZHSKEIk9M=",
+    "zh:06ec85f5c8809eebd7049846d3a45e5c4d052f021fd0a93681d72da8db18f03c",
+    "zh:13a289fbc8ba46b4a81aae5548d0f4b7c772e60b5597493be1a2f36f1642252f",
+    "zh:1e345d4dd6cdff194c5878a986d00494dfe4d51e5f05a85fa37243acada4ac98",
+    "zh:3bfc27e99ae4d4ad073f89655e88d545a043f395581fe6d30f9d2ddea98de8bc",
+    "zh:45798319359ac89c70fc474a8cf11888b7f4281e591fc41892a55449740aa170",
+    "zh:578b8b3f58f2a368bbb1326f16a14a7ff4f701a00f1123deffd1de751f9c2e28",
+    "zh:6160b0e5728e7fc905e1b17671fb0df74483c477d0262a6c1e51c89d48afe71f",
+    "zh:98961ef4beb153d15742dafc1a0428bf45323e979f4b4a82a4ec4062205a0782",
+    "zh:a26d76f427058ec529436bf8fbe96bf6cd4e0a29275d7a6add0d3357517e0d43",
+    "zh:a70366e2e21ed51d26e7797b3679db3d812e3458e7980e906934e78599461f02",
+    "zh:a9829a90cd302789dc277a1be55ddaff83e702159dd4a05646cedd17b5c337b9",
+    "zh:beb105f90d9a9d7821f533bee8ccddc9daed7c3a59646e5b3777ba62253f84f1",
+    "zh:bf8db622d0cb848bc843d29187b747388d73d520ee10814424fdf79693ea15d5",
+    "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
+    "zh:f6c47554e1e98d71dc1ca5fbb569db198f71c13b4a1375454839b44e90a91926",
+  ]
+}
+
 provider "registry.opentofu.org/cyrilgdn/postgresql" {
   version     = "1.23.0"
   constraints = "~> 1.23"

inventory/opentofu.yml

@@ -0,0 +1,3 @@
+plugin: cloud.terraform.terraform_provider
+project_path: .
+binary_path: tofu

inventory/serguzim.net.yml

@@ -1,35 +0,0 @@
-all:
-  children:
-    serguzim_net:
-      hosts:
-        node001:
-        node003:
-  hosts:
-    local-dev:
-      ansible_connection: local
-
-    node001:
-      ansible_host: "{{ opentofu.hosts.node001.fqdn_vpn }}"
-      ansible_port: "{{ vault_hosts.node001.ansible_port }}"
-      ansible_user: "{{ vault_hosts.node001.ansible_user }}"
-      interactive_user: "{{ vault_hosts.node001.interactive_user }}"
-      host_vpn:
-        domain: "{{ opentofu.hosts.node001.fqdn_vpn }}"
-        ip: "{{ opentofu.hosts.node001.ipv4_address_vpn }}"
-      host_backup:
-        hc_uid: "{{ opentofu.healthchecksio.backup.node001.id }}"
-        hc_url: "{{ opentofu.healthchecksio.backup.node001.ping_url }}"
-        gatus_token: "{{ vault_hosts.node001.backup.gatus_token }}"
-
-    node003:
-      ansible_host: "{{ opentofu.hosts.node003.fqdn_vpn }}"
-      ansible_port: "{{ vault_hosts.node003.ansible_port }}"
-      ansible_user: "{{ vault_hosts.node003.ansible_user }}"
-      interactive_user: "{{ vault_hosts.node003.interactive_user }}"
-      host_vpn:
-        domain: "{{ opentofu.hosts.node003.fqdn_vpn }}"
-        ip: "{{ opentofu.hosts.node003.ipv4_address_vpn }}"
-      host_backup:
-        hc_uid: "{{ opentofu.healthchecksio.backup.node003.id }}"
-        hc_url: "{{ opentofu.healthchecksio.backup.node003.ping_url }}"
-        gatus_token: "{{ vault_hosts.node003.backup.gatus_token }}"

main.tf

@@ -1,5 +1,10 @@
 terraform {
   required_providers {
+    ansible = {
+      source = "ansible/ansible"
+      version = "1.2.0"
+    }
+
     aws = {
       source  = "hashicorp/aws"
       version = "~> 5.0"
@@ -158,3 +163,32 @@ module "services" {
 
   services = var.services
 }
+
+
+
+resource "random_password" "host_backup_gatus_tokens" {
+  for_each = module.infrastructure.hosts
+  length  = 32
+  special = false
+}
+
+resource "ansible_host" "nodes" {
+  for_each = module.infrastructure.hosts
+  name     = each.value.hostname
+  groups   = ["serguzim_net"]
+
+  variables = {
+    # Connection vars.
+    ansible_host = each.value.fqdn_vpn
+    ansible_port = 17
+    ansible_user = "ansible"
+
+    # Custom vars that we might use in roles/tasks.
+    host_vpn_domain = each.value.fqdn_vpn
+    host_vpn_ip = each.value.ipv4_address_vpn
+
+    host_backup_hc_uid = module.infrastructure.healthchecksio.backup[each.key].id
+    host_backup_hc_url = module.infrastructure.healthchecksio.backup[each.key].ping_url
+    host_backup_gatus_token = random_password.host_backup_gatus_tokens[each.key].result
+  }
+}

playbooks/change-password.yml

@@ -2,13 +2,17 @@
 - name: Change password
   hosts: all
   become: true
+  vars_prompt:
+    - name: name
+      prompt: User
+      private: false
+    - name: password
+      prompt: Password
+      encrypt: sha512_crypt
+      confirm: true
+      salt_size: 7
   tasks:
-    - name: Get new password
-      ansible.builtin.pause:
-        prompt: Enter the new password
-        echo: false
-      register: new_user_password
     - name: Change password
       ansible.builtin.user:
-        name: "{{ interactive_user }}"
+        name: "{{ user }}"
-        password: "{{ new_user_password.user_input | password_hash('sha512') }}"
+        password: "{{ password }}"

playbooks/filter_plugins/gatus.py

@@ -31,13 +31,15 @@ class FilterModule(object):
             })
         return result
 
-    def vault_hosts_backup_to_gatus(self, hosts):
+    def vault_hosts_backup_to_gatus(self, hostvars):
         result = []
-        for name, host_data in hosts.items():
+        for name, host_data in hostvars.items():
+            if not host_data.get("host_backup_gatus_token"):
+                continue
             result.append({
                 "name": f"backup@{name}",
                 "group": "8-backups",
-                "token": host_data["backup"]["gatus_token"],
+                "token": host_data["host_backup_gatus_token"],
                 "alerts": self.default_alerts,
             })
         return result

playbooks/roles/backup/vars/main.yml

@@ -9,8 +9,8 @@ backup_msg_success: "Backup successful"
 
 backup_curl_base: 'curl -L -m 10 --retry 5'
 backup_hc_curl_base: '{{ backup_curl_base }} -X POST -H "Content-Type: text/plain"'
-backup_gatus_curl_base: '{{ backup_curl_base }} -X POST -H "Authorization: Bearer {{ host_backup.gatus_token }}"'
+backup_gatus_curl_base: '{{ backup_curl_base }} -X POST -H "Authorization: Bearer {{ host_backup_gatus_token }}"'
-backup_hc_url: '{{ host_backup.hc_url }}'
+backup_hc_url: '{{ host_backup_hc_url }}'
 backup_gatus_url: 'https://status.serguzim.me/api/v1/endpoints/8-backups_backup@{{ ansible_facts.hostname }}/external'
 
 backup_hc_command_start: '{{ backup_hc_curl_base }} --data "{{ backup_msg_start }}" {{ backup_hc_url }}/start'

playbooks/roles/caddy/templates/Caddyfile.j2

@@ -10,7 +10,7 @@
 
 import /etc/caddy/snippets
 
-http://{{ host_vpn.domain }} {
+http://{{ host_vpn_domain }} {
 	import vpn_only
 
 	metrics

playbooks/roles/gatus/vars/main.yml

@@ -3,7 +3,7 @@ gatus_svc:
   domain: "{{ all_services | service_get_domain(role_name) }}"
   port: 8080
 
-gatus_external_endpoints_backups: "{{ vault_hosts | vault_hosts_backup_to_gatus() }}"
+gatus_external_endpoints_backups: "{{ hostvars | vault_hosts_backup_to_gatus() }}"
 
 gatus_endpoints_hosts: "{{ opentofu.hosts | hosts_to_gatus() }}"
 gatus_endpoints_services: "{{ all_services | services_to_gatus() }}"

requirements.yml

@@ -1,2 +1,4 @@
 collections:
   - name: prometheus.prometheus
+  - name: cloud.terraform
+    version: 4.0.0

scripts/visualize.py

@@ -102,9 +102,9 @@ if __name__ == '__main__':
     services = {}
 
     with open('./hosts.auto.tfvars', 'r') as file:
-        hosts = hcl2.load(file)["hosts"][0]
+        hosts = hcl2.load(file)["hosts"]
     with open('./services.auto.tfvars', 'r') as file:
-        services = hcl2.load(file)["services"][0]
+        services = hcl2.load(file)["services"]
 
     keys = {}
     keys["db_key"] = service_key_find("postgresql", services, hosts)