From 48b987180ac1115f10c1d324d47690d8ac4bd8c6 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Thu, 4 Jul 2024 15:35:41 +0200
Subject: [PATCH] Move firewall_master role to servers repo

---
 roles/certbot_dns/tasks/main.yml              |  54 ---------
 roles/certbot_dns/templates/certbot-auth.j2   |  13 ---
 .../certbot_dns/templates/certbot-cleanup.j2  |  11 --
 roles/certbot_dns/templates/krb5.conf.j2      |  18 ---
 roles/firewall_master/files/accept-fri.nft    |  16 ---
 roles/firewall_master/files/friwall.ini       |  16 ---
 roles/firewall_master/files/pusher.initd      |  18 ---
 roles/firewall_master/files/uwsgi.ini         |   2 -
 roles/firewall_master/handlers/main.yml       |  39 -------
 roles/firewall_master/tasks/mail.yml          |   9 --
 roles/firewall_master/tasks/main.yml          |  42 -------
 roles/firewall_master/tasks/user.yml          |  14 ---
 roles/firewall_master/tasks/web.yml           | 110 ------------------
 roles/firewall_master/templates/interfaces.j2 |  14 ---
 .../templates/networks.json.j2                |   8 --
 roles/firewall_master/templates/nginx.conf.j2 |  21 ----
 roles/firewall_master/templates/nodes.json.j2 |  10 --
 .../templates/settings.json.j2                |  10 --
 setup.yml                                     |   5 -
 19 files changed, 430 deletions(-)
 delete mode 100644 roles/certbot_dns/tasks/main.yml
 delete mode 100644 roles/certbot_dns/templates/certbot-auth.j2
 delete mode 100644 roles/certbot_dns/templates/certbot-cleanup.j2
 delete mode 100644 roles/certbot_dns/templates/krb5.conf.j2
 delete mode 100644 roles/firewall_master/files/accept-fri.nft
 delete mode 100644 roles/firewall_master/files/friwall.ini
 delete mode 100755 roles/firewall_master/files/pusher.initd
 delete mode 100644 roles/firewall_master/files/uwsgi.ini
 delete mode 100644 roles/firewall_master/handlers/main.yml
 delete mode 100644 roles/firewall_master/tasks/mail.yml
 delete mode 100644 roles/firewall_master/tasks/main.yml
 delete mode 100644 roles/firewall_master/tasks/user.yml
 delete mode 100644 roles/firewall_master/tasks/web.yml
 delete mode 100644 roles/firewall_master/templates/interfaces.j2
 delete mode 100644 roles/firewall_master/templates/networks.json.j2
 delete mode 100644 roles/firewall_master/templates/nginx.conf.j2
 delete mode 100644 roles/firewall_master/templates/nodes.json.j2
 delete mode 100644 roles/firewall_master/templates/settings.json.j2

diff --git a/roles/certbot_dns/tasks/main.yml b/roles/certbot_dns/tasks/main.yml
deleted file mode 100644
index f60cb12..0000000
--- a/roles/certbot_dns/tasks/main.yml
+++ /dev/null
@@ -1,54 +0,0 @@
-- name: Enable community package repo
-  lineinfile:
-    path: /etc/apk/repositories
-    regexp: '^# *(http.*/v[^/]*/community)'
-    line: '\1'
-    backrefs: yes
-
-- name: Install packages
-  package:
-    name: bind-tools,certbot,krb5,py3-pexpect
-
-- name: Configure kerberos
-  template:
-    dest: /etc/krb5.conf
-    src: krb5.conf.j2
-
-- name: Copy DNS updater scripts for certbot
-  template:
-    dest: "/usr/local/bin/{{ item }}"
-    src: "{{ item }}.j2"
-    mode: 0700
-  with_items:
-    - certbot-auth
-    - certbot-cleanup
-
-- name: Init kerberos keytab
-  expect:
-    command: ktutil
-    responses:
-      '.*:':
-        - 'add_entry -password -p {{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_user") }} -k 1 -e aes256-cts-hmac-sha1-96'
-        - '{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_pass") }}'
-        - 'write_kt /etc/krb5.keytab'
-        - 'exit'
-  args:
-    creates: /etc/krb5.keytab
-
-- name: Create LE account
-  command:
-    cmd: certbot register --agree-tos --register-unsafely-without-email
-    creates: /etc/letsencrypt/accounts/acme-v02.api.letsencrypt.org/directory/*/meta.json
-
-- name: Create LE certificate
-  command:
-    cmd: certbot certonly --quiet --manual --preferred-challenges=dns --manual-auth-hook certbot-auth --manual-cleanup-hook certbot-cleanup -d {{ fqdn }}
-    creates: "/etc/letsencrypt/renewal/{{ fqdn }}.conf"
-
-- name: Enable certbot renewal
-  cron:
-    name: "certbot renew"
-    job: "certbot renew --quiet"
-    user: root
-    hour: "2,14"
-    minute: "38"
diff --git a/roles/certbot_dns/templates/certbot-auth.j2 b/roles/certbot_dns/templates/certbot-auth.j2
deleted file mode 100644
index f0905e8..0000000
--- a/roles/certbot_dns/templates/certbot-auth.j2
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-dns={{ dns[0] }}
-ldap_user={{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_user") }}
-ttl=10
-
-kinit -k -t /etc/krb5.keytab "${ldap_user}"
-nsupdate -g <<EOF
-server ${dns}
-update add _acme-challenge.${CERTBOT_DOMAIN} ${ttl} TXT ${CERTBOT_VALIDATION}
-send
-EOF
-sleep $(( ttl + 5 ))
diff --git a/roles/certbot_dns/templates/certbot-cleanup.j2 b/roles/certbot_dns/templates/certbot-cleanup.j2
deleted file mode 100644
index 2569b0e..0000000
--- a/roles/certbot_dns/templates/certbot-cleanup.j2
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-
-dns={{ dns[0] }}
-ldap_user={{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_user") }}
-
-kinit -k -t /etc/krb5.keytab "${ldap_user}"
-nsupdate -g <<EOF
-server ${dns}
-update delete _acme-challenge.${CERTBOT_DOMAIN} TXT
-send
-EOF
diff --git a/roles/certbot_dns/templates/krb5.conf.j2 b/roles/certbot_dns/templates/krb5.conf.j2
deleted file mode 100644
index 23d9b5d..0000000
--- a/roles/certbot_dns/templates/krb5.conf.j2
+++ /dev/null
@@ -1,18 +0,0 @@
-[libdefaults]
-dns_lookup_realm = false
-ticket_lifetime = 24h
-renew_lifetime = 7d
-#forwardable = true
-rdns = false
-default_realm = {{ domain | upper }}
-
-[realms]
-{{ domain | upper }} = {
-{% for server in dns %}
-  kdc = {{ server }}
-{% endfor %}
-}
-
-[domain_realm]
-.fri1.uni-lj.si = {{ domain | upper }}
-fri1.uni-lj.si = {{ domain | upper }}
diff --git a/roles/firewall_master/files/accept-fri.nft b/roles/firewall_master/files/accept-fri.nft
deleted file mode 100644
index cdc3976..0000000
--- a/roles/firewall_master/files/accept-fri.nft
+++ /dev/null
@@ -1,16 +0,0 @@
-table inet filter {
-    set fri {
-        typeof ip saddr; flags interval
-        elements = { 10.32.0.0/14, 192.168.0.0/16, 141.255.211.0/24, 193.2.76.0/24 }
-    }
-
-    set fri/6 {
-        typeof ip6 saddr; flags interval
-        elements = { 2001:1470:fffd::/48 }
-    }
-
-    chain input {
-        ip saddr @fri tcp dport { ssh, http, https } accept
-        ip6 saddr @fri/6 tcp dport { ssh, http, https } accept
-    }
-}
diff --git a/roles/firewall_master/files/friwall.ini b/roles/firewall_master/files/friwall.ini
deleted file mode 100644
index c6050c0..0000000
--- a/roles/firewall_master/files/friwall.ini
+++ /dev/null
@@ -1,16 +0,0 @@
-[uwsgi]
-uid = friwall
-gid = friwall
-
-socket = /run/friwall.socket
-chown-socket = friwall:nginx
-chmod-socket = 660
-
-plugin = python3
-chdir = /srv/friwall/app
-mount = /=wsgi:app
-env = PYTHONUSERBASE=/srv/friwall/.local
-env = HOME=/srv/friwall
-
-# Microsoft OIDC endpoint sends some fat‐ass headers.
-buffer-size = 16384
diff --git a/roles/firewall_master/files/pusher.initd b/roles/firewall_master/files/pusher.initd
deleted file mode 100755
index 4b85867..0000000
--- a/roles/firewall_master/files/pusher.initd
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/sbin/openrc-run
-
-command="/srv/friwall/app/$RC_SVCNAME"
-command_background="yes"
-command_user="friwall"
-command_group="nogroup"
-directory="/srv/friwall"
-pidfile="/run/$RC_SVCNAME.pid"
-
-depend() {
-	need net
-}
-
-stop() {
-	ebegin "Stopping $RC_SVCNAME"
-	pkill -INT -g $(cat "$pidfile") && rm -f "$pidfile"
-	eend $?
-}
diff --git a/roles/firewall_master/files/uwsgi.ini b/roles/firewall_master/files/uwsgi.ini
deleted file mode 100644
index 275e85e..0000000
--- a/roles/firewall_master/files/uwsgi.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[uwsgi]
-emperor = /etc/uwsgi/conf.d
diff --git a/roles/firewall_master/handlers/main.yml b/roles/firewall_master/handlers/main.yml
deleted file mode 100644
index f3bc362..0000000
--- a/roles/firewall_master/handlers/main.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-- name: restart interfaces
-  shell: ifdown --force --auto && ifup --auto
-  when: "'handler' not in ansible_skip_tags"
-
-- name: reload nftables
-  service:
-    name: nftables
-    state: reloaded
-  when: "'handler' not in ansible_skip_tags"
-
-- name: reload nginx
-  service:
-    name: nginx
-    state: reloaded
-  when: "'handler' not in ansible_skip_tags"
-
-- name: restart nginx
-  service:
-    name: nginx
-    state: restarted
-  when: "'handler' not in ansible_skip_tags"
-
-- name: restart pusher
-  service:
-    name: pusher
-    state: restarted
-  when: "'handler' not in ansible_skip_tags"
-
-- name: reload uwsgi
-  service:
-    name: uwsgi
-    state: reloaded
-  when: "'handler' not in ansible_skip_tags"
-
-- name: restart uwsgi
-  service:
-    name: uwsgi
-    state: restarted
-  when: "'handler' not in ansible_skip_tags"
diff --git a/roles/firewall_master/tasks/mail.yml b/roles/firewall_master/tasks/mail.yml
deleted file mode 100644
index 651c33a..0000000
--- a/roles/firewall_master/tasks/mail.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-- name: Install mail server
-  package:
-    name: opensmtpd
-
-- name: Enable mail server
-  service:
-    name: smtpd
-    enabled: yes
-    state: started
diff --git a/roles/firewall_master/tasks/main.yml b/roles/firewall_master/tasks/main.yml
deleted file mode 100644
index c83dfed..0000000
--- a/roles/firewall_master/tasks/main.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-- name: Set up network interfaces
-  template:
-    dest: /etc/network/interfaces
-    src: interfaces.j2
-    mode: 0644
-  notify: restart interfaces
-
-- name: Install nftables
-  package:
-    name: nftables
-
-- name: Accept connections from FRI addresses
-  copy:
-    dest: /etc/nftables.d/
-    src: accept-fri.nft
-  notify: reload nftables
-
-- name: Enable nftables
-  service:
-    name: nftables
-    enabled: yes
-    state: started
-
-- name: Install qemu guest agent
-  package:
-    name: qemu-guest-agent
-
-- name: Enable qemu guest agent
-  service:
-    name: qemu-guest-agent
-    enabled: yes
-    runlevel: boot
-    state: started
-
-- name: Set up mail server
-  import_tasks: mail.yml
-
-- name: Set up friwall user
-  import_tasks: user.yml
-
-- name: Set up web UI
-  import_tasks: web.yml
diff --git a/roles/firewall_master/tasks/user.yml b/roles/firewall_master/tasks/user.yml
deleted file mode 100644
index f801b94..0000000
--- a/roles/firewall_master/tasks/user.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-- name: Create friwall group
-  group:
-    name: friwall
-    system: yes
-
-- name: Create friwall user
-  user:
-    name: friwall
-    system: yes
-    home: /srv/friwall
-    shell: /sbin/nologin
-    generate_ssh_key: yes
-    ssh_key_comment: "{{ inventory_hostname }}"
-    ssh_key_type: ed25519
diff --git a/roles/firewall_master/tasks/web.yml b/roles/firewall_master/tasks/web.yml
deleted file mode 100644
index 8c86c5a..0000000
--- a/roles/firewall_master/tasks/web.yml
+++ /dev/null
@@ -1,110 +0,0 @@
----
-- name: Install packages
-  package:
-    name: git,inotify-tools,nginx,py3-pip,procps-ng,rsync,uwsgi,uwsgi-python3,wireguard-tools
-
-- name: Clone web files
-  become: yes
-  become_user: friwall
-  become_method: su
-  become_flags: "-s /bin/sh"
-  git:
-    repo: '{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="friwall_repo") }}'
-    dest: /srv/friwall/app
-    force: yes
-  notify: reload uwsgi
-
-- name: Install requirements
-  become: yes
-  become_user: friwall
-  become_method: su
-  become_flags: '-s /bin/sh'
-  pip:
-    requirements: /srv/friwall/app/requirements.txt
-    extra_args: --user --break-system-packages
-
-- name: Configure base settings
-  template:
-    dest: "/srv/friwall/{{ item }}"
-    src: "{{ item }}.j2"
-    owner: friwall
-    group: friwall
-    mode: 0600
-    force: no
-  loop:
-    - nodes.json
-    - settings.json
-  notify: restart uwsgi
-
-- name: Configure list of networks
-  template:
-    dest: "/srv/friwall/networks.json"
-    src: "networks.json.j2"
-    owner: friwall
-    group: friwall
-    mode: 0600
-
-- name: Configure uwsgi
-  copy:
-    dest: /etc/uwsgi/
-    src: uwsgi.ini
-  notify: restart uwsgi
-
-- name: Configure uwsgi instance
-  copy:
-    dest: /etc/uwsgi/conf.d/
-    src: friwall.ini
-    owner: friwall
-    group: friwall
-
-- name: Enable uwsgi
-  service:
-    name: uwsgi
-    enabled: yes
-    state: started
-
-- name: Configure nginx instance
-  template:
-    dest: /etc/nginx/http.d/friwall.conf
-    src: nginx.conf.j2
-  notify: reload nginx
-
-- name: Run nginx in default VRF
-  lineinfile:
-    path: /etc/conf.d/nginx
-    line: "vrf=\"default\""
-  notify: restart nginx
-
-- name: Enable nginx
-  service:
-    name: nginx
-    enabled: yes
-    state: started
-
-- name: Install config pusher initscript
-  copy:
-    dest: /etc/init.d/pusher
-    src: pusher.initd
-    mode: 0755
-  notify: restart pusher
-
-- name: Enable config pusher service
-  service:
-    name: pusher
-    enabled: true
-    state: started
-
-- name: Regenerate config daily
-  cron:
-    name: "regenerate config"
-    job: "cd ~/app ; FLASK_APP=web python3 -m flask generate"
-    user: friwall
-    hour: "3"
-    minute: "33"
-
-- name: Try (re-)pushing config periodically
-  cron:
-    name: "push config"
-    job: "cd ~/app ; FLASK_APP=web python3 -m flask push"
-    user: friwall
-    minute: "*/15"
diff --git a/roles/firewall_master/templates/interfaces.j2 b/roles/firewall_master/templates/interfaces.j2
deleted file mode 100644
index d738c99..0000000
--- a/roles/firewall_master/templates/interfaces.j2
+++ /dev/null
@@ -1,14 +0,0 @@
-auto lo
-iface lo inet loopback
-
-{% for iface in interfaces %}
-auto {{ iface.name }}
-iface {{ iface.name }} inet static
-{% for address in iface.ip_addresses %}
-    address {{ address.address }}
-{% endfor %}
-{% if iface.custom_fields.gateway %}
-    gateway {{ iface.custom_fields.gateway.address | ipaddr('address') }}
-{% endif %}
-
-{% endfor %}
diff --git a/roles/firewall_master/templates/networks.json.j2 b/roles/firewall_master/templates/networks.json.j2
deleted file mode 100644
index 15e0905..0000000
--- a/roles/firewall_master/templates/networks.json.j2
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-{% for vlan, addrs in vrf_prefixes | groupby('vlan.vid') %}
-  "{{ addrs[0].vlan.name }}": {
-    "ip": {{ addrs | selectattr('family.value', '==', 4) | map(attribute='prefix') | to_json }},
-    "ip6": {{ addrs | selectattr('family.value', '==', 6) | map(attribute='prefix') | to_json }}
-  }{% if not loop.last %},{% endif +%}
-{% endfor %}
-}
diff --git a/roles/firewall_master/templates/nginx.conf.j2 b/roles/firewall_master/templates/nginx.conf.j2
deleted file mode 100644
index b866797..0000000
--- a/roles/firewall_master/templates/nginx.conf.j2
+++ /dev/null
@@ -1,21 +0,0 @@
-server {
-	listen 80;
-	listen [::]:80;
-	server_name {{ fqdn }};
-
-	return 301 https://$host$request_uri;
-}
-
-server {
-	listen 443 ssl;
-	listen [::]:443 ssl;
-	server_name {{ fqdn }};
-
-	ssl_certificate /etc/letsencrypt/live/{{ fqdn }}/fullchain.pem;
-	ssl_certificate_key /etc/letsencrypt/live/{{ fqdn }}/privkey.pem;
-
-	location / {
-		uwsgi_pass unix:/run/friwall.socket;
-		include uwsgi_params;
-	}
-}
diff --git a/roles/firewall_master/templates/nodes.json.j2 b/roles/firewall_master/templates/nodes.json.j2
deleted file mode 100644
index fa16b54..0000000
--- a/roles/firewall_master/templates/nodes.json.j2
+++ /dev/null
@@ -1,10 +0,0 @@
-{% set nodes = query('netbox.netbox.nb_lookup', 'devices', raw_data=true)
-    | selectattr('config_context') | selectattr('config_context', 'contains', 'master')
-    | selectattr('config_context.master', '==', inventory_hostname)
-    | map(attribute='name') -%}
-
-{
-{% for node in nodes %}
-  "{{ hostvars[node].interfaces | selectattr('name', '==', 'lo') | map(attribute='ip_addresses') | first | selectattr('role') | selectattr('role.value', '==', 'loopback') | map(attribute='address') | ipv4 | first | ipaddr('address') }}": -1{{ '' if loop.last else ',' }} {# TODO help my eyes the goggles do nothing +#}
-{% endfor %}
-}
diff --git a/roles/firewall_master/templates/settings.json.j2 b/roles/firewall_master/templates/settings.json.j2
deleted file mode 100644
index 8d1be7b..0000000
--- a/roles/firewall_master/templates/settings.json.j2
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "ldap_host": "{{ domain }}",
-  "ldap_user": "{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_user") }}",
-  "ldap_pass": "{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="ldap_pass") }}",
-  "ldap_base_dn": "{{ ldap_base_dn }}",
-  "oidc_server": "{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="oidc_server") }}",
-  "oidc_client_id": "{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="oidc_client_id") }}",
-  "oidc_client_secret": "{{ lookup("passwordstore", "vm/"~inventory_hostname, subkey="oidc_client_secret") }}",
-  "wg_net": "{{ wg_net }}"
-}
diff --git a/setup.yml b/setup.yml
index a8fc0ac..d74f556 100644
--- a/setup.yml
+++ b/setup.yml
@@ -26,8 +26,3 @@
 - hosts: fw-*
   roles:
     - firewall
-
-- hosts: zid
-  roles:
-    - certbot_dns
-    - firewall_master