Merge pull request 'pangolin_mail' (#7) from pangolin_mail into main

Reviewed-on: #7

ansible/inventories/distributed.yaml

@@ -4,7 +4,7 @@ new_sudo:
     hserve1:
     hserve2:
     mini1:
-
+    backs.hassallab.it:
 
 
 distributed:
@@ -28,4 +28,7 @@ distributed:
     forgejo:
       hosts:
         hserve1:
+    borg:
+      hosts:
+        backs.hassallab.it:
 

ansible/inventories/group_vars/all/borg.yaml

@@ -0,0 +1,2 @@
+---
+borg_backup_server: backs.hassallab.it

ansible/inventories/group_vars/all/vault.yaml

@@ -1,33 +1,38 @@
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ansible/inventories/group_vars/borg/auth_users.yaml

@@ -0,0 +1,4 @@
+configure_borg_server: true
+borg_auth_users:
+  - host: fabotest
+    key: "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEArNhKFcJ6T08sn7kTTLf+rO9HEvgOvqfhv5HQ2sRf2tFYfjfCb0zHKnMkgW+sy5gMU10Lyx1r7juXCvqRC955uIM97m1B1Xc6sVqASVKuGPhCKfhxEaMAyBcWFdE+HYbCOPYVN+JMrcwWfbblwiZTtK1OCqaEUvDDI7cFeU68noXwggEp46T48eqMUdi541D9Y+BVx9HYAo6OCQz0+6eXwxJL+tpRcAAXIMMWv362CYHoOgIU45R7xVSMLY1k/HLrcEAblwxEaSpduCH5cWUXZE/56IyxpvP44BxZkVhNdqJLmg4hxBQWhoMNYiTZxbLay3W2TwBCM111cAtUx4M/jQ== fabio@pc-fabio"

ansible/inventories/group_vars/pangolin/mail.yaml

@@ -0,0 +1,7 @@
+---
+pangolin_mail_host: "smtp.ionos.it"
+pangolin_mail_port: 587
+pangolin_mail_user: "system@hassallab.it"
+pangolin_mail_password: "{{ pangolin_mail_crypted_password }}"
+pangolin_no_reply_address: "system@hassallab.it"
+pangolin_mail_secure_flag: false

ansible/inventories/host_vars/edge1.yaml

@@ -6,9 +6,9 @@ pangolin_admin_email: "hassallah@mail.com"
 
 pangolin_gerbil_subnet_group: "10.42.0.0/16"
 
-# Email (SMTP) settings
-pangolin_email_smtp_host: "mail.com"
-pangolin_email_smtp_port: 587
-pangolin_email_smtp_user: "pango.lin@mail.com"
-pangolin_email_smtp_pass: "{{ pangolin_mail_crypted_password }}"
-pangolin_email_no_reply: "no-reply@mail.com"
+# # Email (SMTP) settings
+# pangolin_email_smtp_host: "mail.com"
+# pangolin_email_smtp_port: 587
+# pangolin_email_smtp_user: "pango.lin@mail.com"
+# pangolin_email_smtp_pass: "{{ pangolin_mail_crypted_password }}"
+# pangolin_email_no_reply: "no-reply@mail.com"

ansible/inventories/host_vars/hserve1.yaml

@@ -4,3 +4,15 @@ newt_secret: "{{ test_nginx_newt_secret }}"
 
 
 forgejo_db_password : "{{ forgejo_db_crypted_password }}"
+
+configure_borg_client: true
+borg_repos:
+  - name: web
+    borg_passphrase: "{{ hserve1_backup_web_crypted_password }}"
+    paths_to_backup:
+      - "/home/{{ ansible_user }}/web"
+  - name: test
+    borg_passphrase: "dummy_secret"
+    paths_to_backup: 
+      - "/home/{{ ansible_user }}"
+      - "/proc/version"

ansible/playbooks/README.md

@@ -3,7 +3,19 @@
 Qui vengono riportati i playbook disponibili, descrizione e utilizzo. 
 **NB** Ci si aspetta che i playbook siano idempotenti. In caso contrario e' importante riportarlo nella documentazione corrente. 
 
+### Summary
+- [Bootstrap](#bootstrap)
+- [VPN Server](#vpn-server)
+- [Pangolin](#pangolin)
+- [Forgejo](#forgejo)
+- [Authentik](#authentik)
+- [Nextcloud](#nextcloud)
+- [Static Nginx Page](#static-nginx-page)
+- [Borg Backups](#borg-backups)
+
+
 ### Bootstrap
+
 Implementa la configurazione di base di un nodo per poter essere gestito dagli altri playbook, in particolare : 
 - crea l'utente ansible
 - registra le chiavi ssh degli utenti configurati
@@ -67,7 +79,73 @@ Il playbook installa docker e docker compose. Attraverso docker compose vengono
 
 Il playbook utilizza : 
 - [geerlingguy.docker](https://github.com/geerlingguy/ansible-role-docker) attraverso ansible galaxy
-- I ruoli common e pangolin definiti in [pangolin-ansible-terraform](https://github.com/patelanuj21/pangolin-ansible-terraform/tree/main), riportati staticamente come ruolo *pangolin*
-
+- Il ruolo ***prepare_node***
+- Il ruolo ***pangolin*** preso da [pangolin-ansible-terraform](https://github.com/patelanuj21/pangolin-ansible-terraform/tree/main)
 
 I parametri attesi dal playbook sono quelli definiti nei ruoli da cui dipende. 
+
+### Forgejo
+Il playbook installa docker e docker compose. Attraverso docker compose vengono poi lanciati container per [forgejo](https://forgejo.org/) e [newt_client](https://docs.pangolin.net/manage/sites/install-site).
+
+Il playbook utilizza : 
+- [geerlingguy.docker](https://github.com/geerlingguy/ansible-role-docker) attraverso ansible galaxy
+- I ruoli ***forgejo*** e ***newt_client***
+
+### Authentik 
+Il playbook installa docker e docker compose. Attraverso docker compose vengono poi lanciati container per [authentik](https://docs.goauthentik.io/) e [newt_client](https://docs.pangolin.net/manage/sites/install-site).
+
+Il playbook utilizza : 
+- [geerlingguy.docker](https://github.com/geerlingguy/ansible-role-docker) attraverso ansible galaxy
+- [ax-bzh.authentik](https://galaxy.ansible.com/ui/standalone/roles/ax-bzh/authentik/documentation/) attraverso ***ansible galaxy***
+- Il ruolo ***newt_client***
+
+### Nextcloud
+Il playbook installa docker e docker compose. Attraverso docker viene poi lanciato il container per [Nextcloud AIO](https://github.com/nextcloud/all-in-one) e [newt_client](https://docs.pangolin.net/manage/sites/install-site).
+
+Il playbook utilizza : 
+- [geerlingguy.docker](https://github.com/geerlingguy/ansible-role-docker) attraverso ansible galaxy
+- I ruoli ***newt_client*** e ***nextcloud_aio***
+
+### Static Nginx Page
+Il playbook installa docker e docker compose. Attraverso docker viene poi lanciato il container per [Nginx](https://nginx.org/) e [newt_client](https://docs.pangolin.net/manage/sites/install-site).
+
+Il playbook utilizza : 
+- [geerlingguy.docker](https://github.com/geerlingguy/ansible-role-docker) attraverso ansible galaxy
+- I ruoli ***newt_client*** e ***nginx***
+
+### Borg Backups
+Il playbook configura sia i client che il server per i backup effettuati con [borg](https://www.borgbackup.org/). I client vengono risolti dinamicamente verificando la presenza della seguente configurazione in esempio: 
+
+```
+configure_borg_client: True
+borg_repos:
+  - name: test
+    borg_passphrase: "dummy_secret"
+    paths_to_backup: 
+      - "/home/{{ ansible_user }}"
+      - "/proc/version"
+```
+
+Per ogni client vengono configurati : 
+- l'utente e relative credenziali per connettersi al borg server
+- Un servizio systemd **borg\_backup.service** e relativo timer **borg\_backup.timer** per eseguire il backup
+- Uno script che esegue effettivamente il backup **"/home/{{borg_user}}/backup\_script.sh"** verso *"ssh://{{ borg\_user }}@{{ borg\_backup_server }}/./"*
+
+Sul server vengono configurati: 
+- L'utente con cui eseguire borg service
+- Le credenziali attese utilizzate dai vari client e i rispettivi path permessi per eseguire i report. 
+
+Sul server i permessi concessi ai vari client vengono limitati definendo su ***/home/{{borg\_user}}/.ssh/authorized\_keys*** le limitazioni di path (accesso solo al proprio repo) e di operation (solo ***"borg serve"***) con la seguente istruzione : 
+```
+command=\"cd {{ borg_pool }}/{{ item.host }};borg serve --restrict-to-path {{ borg_pool }}/{{ item.host }}\",restrict
+```
+
+E' possibile configurare il server per servire borg anche con altre credenziali e path, per casi non coperti dal playbook (e.g. borg backups usato direttamente da Nextcloud AIO) attraverso il seguente attributo: 
+
+```
+borg_auth_users:
+  - host: fabotest
+    key: "ssh-rsa ********"
+```
+
+Il playbook utilizza il role ***borg***

ansible/playbooks/borg_backups.yaml

@@ -0,0 +1,30 @@
+---
+- name: Evaluate borg client nodes
+  hosts: all
+  gather_facts: false
+  tasks:
+  - name: Gather configured clients
+    ansible.builtin.group_by:
+      key: "borg_clients_{{ configure_borg_client | default('False') }}"
+  # Creates: borg_clients_True and borg_clients_False
+
+
+- name: Configure borg backups system
+  hosts: borg_clients_True:borg
+  debugger: on_failed
+  tasks: 
+    - name: Configure clients
+      include_role:
+        name: borg
+        apply:
+          become: true
+          become_exe: "{{ become_exe_value }}"
+      when: "{{ configure_borg_client | default(false) }} "
+
+    - name: Configure server
+      include_role:
+        name: borg
+        apply:
+          become: true
+          become_exe: "{{ become_exe_value }}"
+      when: "{{ configure_borg_server | default(false) }} "

ansible/playbooks/pangolin.yaml

@@ -11,4 +11,5 @@
         - geerlingguy.docker
         - prepare_node
           
-    - include_role: pangolin
+    - include_role: 
+        name: pangolin

ansible/playbooks/roles/borg/defaults/main.yaml

@@ -0,0 +1,8 @@
+---
+borg_user: borg
+borg_group: borg
+borg_home: "/home/{{ borg_user }}"
+borg_pool: "{{ borg_home }}/repos"
+borg_pool_dest : /usr/backups/borg_repos
+borg_repo_base: "ssh://{{ borg_user }}@{{ borg_backup_server }}/./"
+borg_auth_users: []

ansible/playbooks/roles/borg/tasks/configure_borg_client.yaml

@@ -0,0 +1,44 @@
+---
+- name: Define backup script
+  ansible.builtin.template:
+    dest: "/home/{{borg_user}}/backup_script.sh"
+    src: templates/backup_script.sh.j2
+    owner: root
+    mode: "0701"
+
+- name: Define backup service
+  ansible.builtin.template:
+    dest: /etc/systemd/system/borg_backup.service
+    src: templates/borg_backup.service.j2
+    owner: root
+    mode: "0700"
+
+
+- name: Define backup timer
+  ansible.builtin.copy:
+    content: |
+      [Unit]
+      Description=Daily Backup Timer
+
+      [Timer]
+      OnCalendar=*-*-* 02:00:00
+      Persistent=true
+      RandomizedDelaySec=300
+
+      [Install]
+      WantedBy=timers.target
+    dest: /etc/systemd/system/borg_backup.timer
+
+- name: Reload systemd
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+
+# Add entry in borg_auth_users for server configuration
+# borg_auth_users:
+#       - host: fabotest
+#         # Chiave di esempio per test
+#         key: "ssh-rsa ****"
+
+- name: Register public key for server configuration
+  set_fact:
+    borg_auth_users: "{{ borg_auth_users + [{'host': inventory_hostname, 'key':borg_user_definition.ssh_public_key}] }}"

ansible/playbooks/roles/borg/tasks/configure_borg_server.yaml

@@ -0,0 +1,52 @@
+---
+- name: Set ssh directory
+  file:
+    path: "{{ borg_home }}/.ssh"
+    owner: "{{ borg_user }}"
+    group: "{{ borg_group }}"
+    mode: "0700"
+    state: directory
+
+- name: Create pool directory
+  file:
+    path: "{{ borg_pool_dest}}"
+    owner: "{{ borg_user }}"
+    group: "{{ borg_group }}"
+    mode: "0700"
+    state: directory
+
+- name: Set pool directory link
+  file:
+    src: "{{ borg_pool_dest }}"
+    dest: "{{ borg_pool }}"
+    state: link
+
+
+- name: Gathering clients configurations
+  set_fact:
+    borg_auth_users: "{{ borg_auth_users + hostvars[item]['borg_auth_users']}}"
+  loop: "{{ groups['borg_clients_True'] }}"
+
+- name: Creating pool sub directories
+  file:
+    path: "{{ borg_pool }}/{{ item.host }}"
+    owner: "{{ borg_user }}"
+    group: "{{ borg_group }}"
+    mode: "0700"
+    state: directory
+  with_items: "{{ borg_auth_users }}"
+
+- name: Defining authorized_key
+  authorized_key:
+    user: "{{ borg_user }}"
+    key: "{{ item.key }}"
+    key_options: "command=\"cd {{ borg_pool }}/{{ item.host }};borg serve --restrict-to-path {{ borg_pool }}/{{ item.host }}\",restrict"
+  with_items: "{{ borg_auth_users }}"
+
+- name: Setting authorized keys file
+  file:
+    path: "{{ borg_home }}/.ssh/authorized_keys"
+    owner: "{{ borg_user }}"
+    group: "{{ borg_group }}"
+    mode: "0600"
+    state: file

ansible/playbooks/roles/borg/tasks/main.yaml

@@ -0,0 +1,9 @@
+---
+- name: Prepare borg
+  include_tasks: prepare_borg.yaml
+- name: Configure server
+  include_tasks: configure_borg_server.yaml
+  when: "{{ configure_borg_server | default(false) }}"
+- name: Configure client
+  include_tasks: configure_borg_client.yaml
+  when: "{{ configure_borg_client | default(false) }} "

ansible/playbooks/roles/borg/tasks/prepare_borg.yaml

@@ -0,0 +1,21 @@
+---
+- name: Install borg and requirements
+  ansible.builtin.package:
+    name: borgbackup
+    state: present
+
+- name: Set borg user group
+  group:
+    name: "{{ borg_group }}"
+    state: present
+
+- name: Set borg user
+  user:
+    name: "{{ borg_user }}"
+    shell: /bin/bash
+    home: "{{ borg_home }}"
+    create_home: true
+    group: "{{ borg_group }}"
+    state: present
+    generate_ssh_key: "{{ configure_borg_client | default(false) }}"
+  register: borg_user_definition

ansible/playbooks/roles/borg/templates/backup_script.sh.j2

@@ -0,0 +1,86 @@
+#!/bin/bash
+{% for repo_item in borg_repos %}
+
+# Setting this, so the repo does not need to be given on the commandline:
+export BORG_REPO="{{borg_repo_base}}{{repo_item.name}}"
+
+# See the section "Passphrase notes" for more infos.
+export BORG_PASSPHRASE="'{{ repo_item.borg_passphrase }}'"
+
+# some helpers and error handling:
+info() { logger "$*"; }
+trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
+
+info "Trying to initialize repo. NB returns error if already initialized"
+borg init --encryption=repokey
+
+info "Starting backup for repo {{repo_item.name}}"
+
+# Backup the most important directories into an archive named after
+# the machine this script is currently running on:
+
+borg create                         \
+    --verbose                       \
+    --filter AME                    \
+    --list                          \
+    --stats                         \
+    --show-rc                       \
+    --compression lz4               \
+    --exclude-caches                \
+    --exclude 'home/*/.cache/*'     \
+    --exclude 'var/tmp/*'           \
+                                    \
+    ::"'{{ inventory_hostname }}-{now}'"\
+    {% for item in repo_item.paths_to_backup %}
+    {{ item }}\
+    {% endfor %}
+
+backup_exit=$?
+
+info "Pruning repository {{ repo_item.name }}"
+
+# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
+# archives of THIS machine. The '{hostname}-*' matching is very important to
+# limit prune's operation to this machine's archives and not apply to
+# other machines' archives also:
+
+borg prune                          \
+    --list                          \
+    --glob-archives "'{{ inventory_hostname }}-*'"  \
+    --show-rc                       \
+    --keep-daily    7               \
+    --keep-weekly   4               \
+    --keep-monthly  6
+
+prune_exit=$?
+
+# actually free repo disk space by compacting segments
+
+info "Compacting repository {{ repo_item.name }}"
+
+borg compact
+
+compact_exit=$?
+
+# use highest exit code as global exit code
+global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
+global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
+
+if [ ${global_exit} -eq 0 ]; then
+    info "Backup, Prune, and Compact finished successfully"
+elif [ ${global_exit} -eq 1 ]; then
+    info "Backup, Prune, and/or Compact finished with warnings"
+else
+    info "Backup, Prune, and/or Compact finished with errors"
+fi
+
+
+# end loop for repos
+
+{% endfor %}
+
+
+exit ${global_exit}
+
+
+

ansible/playbooks/roles/borg/templates/borg_backup.service.j2

@@ -0,0 +1,13 @@
+[Unit]
+Description=Borg Backup
+
+[Service]
+Type=oneshot
+User={{ borg_user }}
+ExecStart=/home/{{borg_user}}/backup_script.sh
+
+AmbientCapabilities=CAP_DAC_READ_SEARCH
+
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=borg

ansible/playbooks/roles/pangolin/tasks/docker_pangolin.yaml

@@ -1,38 +1,52 @@
 ---
 - name: Ensure Pangolin directory exists
   ansible.builtin.file:
-    path: /home/ubuntu/pangolin
+    path: "/home/{{ ansible_user }}/compose_projects/pangolin"
     state: directory
+    mode: '0755'
+  register: compose_dir
 
 - name: Ensure Pangolin config directory exists
   ansible.builtin.file:
-    path: /home/ubuntu/pangolin/pangolin_config
+    path: "{{ compose_dir.path }}/pangolin_config"
     state: directory
+    mode: '0755'
+  register: pangolin_config
 
 - name: Template Pangolin config file
   ansible.builtin.template:
     src: pangolin_config.yml.j2
-    dest: /home/ubuntu/pangolin/pangolin_config/config.yaml
+    dest: "{{ pangolin_config.path }}/config.yaml"
 
 - name: Ensure Traefik config directory exists
   ansible.builtin.file:
-    path: /home/ubuntu/pangolin/config/traefik
+    path: "{{ pangolin_config.path }}/traefik"
+    mode: '0755'
     state: directory
+  register: traefik_config
+
+- name: Ensure gerbil config directory exists
+  ansible.builtin.file:
+    path: "{{ pangolin_config.path }}/gerbil"
+    mode: '0755'
+    state: directory
+  register: gerbil_config
+
 
 - name: Template Traefik config file
   ansible.builtin.template:
     src: traefik_config.yml.j2
-    dest: /home/ubuntu/pangolin/config/traefik/traefik_config.yml
+    dest: "{{ traefik_config.path }}/traefik_config.yml"
 
 - name: Template Traefik dynamic config file
   ansible.builtin.template:
     src: dynamic_config.yml.j2
-    dest: /home/ubuntu/pangolin/config/traefik/dynamic_config.yml
+    dest: "{{ traefik_config.path }}/dynamic_config.yml"
 
 - name: Template docker-compose.yml for Pangolin
   ansible.builtin.template:
     src: docker-compose.yml.j2
-    dest: /home/ubuntu/pangolin/docker-compose.yml
+    dest: "{{ compose_dir.path }}/docker-compose.yml"
   register: pangolin_compose_template
 
 - name: Check if Pangolin container is running
@@ -62,23 +76,27 @@
   when: pangolin_compose_needs_up
   ignore_errors: true
 
-- name: Start Pangolin and Gerbil with Docker Compose (force recreate if needed)
-  ansible.builtin.shell: |
-    cd /home/ubuntu/pangolin
-    docker compose up -d --force-recreate
-  when: pangolin_compose_needs_up
-  register: docker_compose_up
-  failed_when: docker_compose_up.rc != 0
-
-- name: Check Docker Compose service status
-  ansible.builtin.shell: |
-    cd /home/ubuntu/pangolin
-    docker compose ps
+- name: (Re)Start Pangolin and Gerbil with Docker Compose
+  community.docker.docker_compose_v2:
+    project_src: "{{ compose_dir.path }}" 
   register: docker_compose_status
+  state: restarted
+  # ansible.builtin.shell: |
+  #   cd /home/ubuntu/pangolin
+  #   docker compose up -d --force-recreate
+  # when: pangolin_compose_needs_up
+  # register: docker_compose_up
+  # failed_when: docker_compose_up.rc != 0
+
+# - name: Check Docker Compose service status
+#   ansible.builtin.shell: |
+#     cd /home/ubuntu/pangolin
+#     docker compose ps
+#   register: docker_compose_status
 
 - name: Display Docker Compose service status
   ansible.builtin.debug:
-    msg: "{{ docker_compose_status.stdout_lines }}"
+    msg: "{{ docker_compose_status }}"
 
 - name: "Assert that mandatory variables are defined and not default"
   ansible.builtin.assert:

ansible/playbooks/roles/pangolin/tasks/main.yaml

@@ -1,10 +1,3 @@
 ---
-- ansible.builtin.include_tasks: prepare_node.yaml
-- include_role:
-    name: geerlingguy.docker
-    apply:
-      become: true
 - ansible.builtin.include_tasks: 
     file: docker_pangolin.yaml
-    apply:
-      become: true

ansible/playbooks/roles/pangolin/templates/docker-compose.yml.j2

@@ -4,7 +4,7 @@ services:
     container_name: pangolin
     restart: unless-stopped
     volumes:
-      - ./pangolin_config:/app/config
+      - {{ pangolin_config.path }}:/app/config
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:3001/api/v1/"]
       interval: "3s"
@@ -24,7 +24,7 @@ services:
       - --remoteConfig=http://pangolin:3001/api/v1/gerbil/get-config
       - --reportBandwidthTo=http://pangolin:3001/api/v1/gerbil/receive-bandwidth
     volumes:
-      - ./gerbil_config/:/var/config
+      - {{ gerbil_config.path }}:/var/config
     cap_add:
       - NET_ADMIN
       - SYS_MODULE
@@ -44,9 +44,9 @@ services:
     command:
       - --configFile=/etc/traefik/traefik_config.yml
     volumes:
-      - ./config/traefik:/etc/traefik:ro # Volume to store the Traefik configuration
-      - ./config/letsencrypt:/letsencrypt # Volume to store the Let's Encrypt certificates
-      - ./config/traefik/logs:/var/log/traefik # Volume to store Traefik logs
+      - {{ traefik_config.path }}:/etc/traefik:ro # Volume to store the Traefik configuration
+      - {{ pangolin_config.path }}/letsencrypt:/letsencrypt # Volume to store the Let's Encrypt certificates
+      - {{ traefik_config.path }}/logs:/var/log/traefik # Volume to store Traefik logs
 networks:
   default:
     driver: bridge

ansible/playbooks/roles/pangolin/templates/pangolin_config.yml.j2

@@ -20,3 +20,12 @@ server:
 gerbil:
   start_port: {{ pangolin_gerbil_start_port }}
   base_endpoint: "{{ pangolin_dashboard_url | regex_replace('^https://', '') }}" # Gerbil endpoint should be the FQDN, not the full URL
+
+
+email:
+  smtp_host: "{{ pangolin_mail_host}}"
+  smtp_port: {{ pangolin_mail_port }}
+  smtp_user: "{{ pangolin_mail_user }}"
+  smtp_pass: "{{ pangolin_mail_password }}"
+  smtp_secure: {{ pangolin_mail_secure_flag }}
+  no-reply: "{{ pangolin_no_reply_address }}"

ansible/playbooks/roles/prepare_node/tasks/main.yaml

@@ -1,6 +1,6 @@
 ---
-- include_role: updates.yaml
-- include_role: swap.yaml
+- include_tasks: updates.yaml
+- include_tasks: swap.yaml
   when: configure_swap is defined
-- include_role: iptables.yaml
+- include_tasks: iptables.yaml
   when: ip_tables_coonfig is defined