remade base playbook and roles

books/apt_proxy.yml

@@ -1,5 +1,11 @@
 #!/usr/bin/env ansible-playbook
 ---
-- hosts: apt_proxies
+- hosts: apt_proxy
   roles:
     - apt_cacher_ng
+
+- import_playbook: vpn.yml
+
+- hosts: vpn
+  roles: 
+  - client_apt_proxy

books/base.yml

@@ -1,18 +1,18 @@
 #!/usr/bin/env ansible-playbook
 ---
-- hosts: vpn
-  roles:
-    - vpn
-    - client_apt_proxy
-
 - hosts: server
   roles:
     - networking
-    - base_config
-    - prometheus-node-exporter
-
-- hosts: server
-  roles:
+    - base
     - users
-    - ssh_totp
+    - ssh
+  tasks:
+    - name: Check if host is using cloud init
+      stat:
+        path: /etc/cloud
+      register: cloudinit_folder
+    - include_role: 
+        name: cloudinit
+      when: cloudinit_folder.stat.exists
+
 

books/monitoring.yml

@@ -1,12 +1,12 @@
 #!/usr/bin/env ansible-playbook
 ---
-- hosts: prometheus_servers
+- hosts: prometheus
   roles:
     - prometheus
     - prometheus-alert-manager
     - grafana
     - prometheus-blackbox-exporter
 
-- hosts: all, !tests,
+- hosts: server
   roles:
     - prometheus-node-exporter

books/vpn.yml

@@ -1,6 +1,5 @@
 #!/usr/bin/env ansible-playbook
 ---
-- hosts: vpn, !tests
+- hosts: vpn
   roles:
     - vpn
-    - networking

group_vars/all/networking.yml

@@ -28,6 +28,11 @@ intranet:
           ipv4: 172.20.1.5
           netmaskv4: 32
           comment: Matrix server
+        technetium:
+          domaine: technetium
+          ipv4: 172.20.1.99
+          netmaskv4: 32
+          comment: Test VM
     guest_hellman:
       domaine: hllm
       ipv4: 172.20.198.0

group_vars/all/users.example

@@ -0,0 +1,9 @@
+---
+user_dict:
+  lorem:
+      shell: "/bin/bash",
+      password_hash: "$6$lvbzekjvbzejbvzvzvbzvbzhvbzbv....aezrfv/", # the string betwenn the first and second `:` in /etc/shadow
+      ssh_keys: 
+        - "ssh-rsa azrekgnbmoienbzrinoien...aoeuzn lorem@host1",
+        - "ssh-ed25519 azrekgnbmoienbzrinoien...aoeuzn lorem@host2",
+      totp: "daeae8ce486f6636d68c37c21ce002" # the hex value

group_vars/all/users.yml

@@ -1,135 +1,130 @@
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host_vars/sulfur/ansible.yml

@@ -1,2 +0,0 @@
----
-ansible_host: sulfur.lan

host_vars/sulfur/main.yml

@@ -0,0 +1,38 @@
+---
+ansible_host: sulfur.lan
+
+## Users
+users: 
+  g33kex: sudo
+  histausse: sudo
+  dorian: sudo
+  thomyrock: sudo
+
+## Networking
+interfaces:
+  ens18:
+    type: dhcp
+  wg0:
+    ipv4: "{{ intranet.subnets.physical.subnets.matrix.ipv4 }}"
+    netmaskv4: "{{ intranet.netmaskv4 }}"
+    type: wireguard
+
+ipv4_forwarding: false
+ipv6_forwarding: false
+
+lan_address: "{{ intranet.subnets.physical.subnets.matrix.ipv4 }}"
+
+## VPN
+vpn_interfaces:
+  wg0:
+    ip: "{{ interfaces.wg0.ipv4 }}"
+    private_key: "{{ vpn_key }}"
+    public_key: "oQH8CBofxNSOGevaz1HZlz3ZW+H3ndb/TmqM0pCiRR8="
+    keepalive: true
+    peers:
+    - endpoint: "{{ hostvars['hindley'].interfaces.enp2s0.ipv4 }}"
+      public_key: "{{ hostvars['hindley'].vpn_interfaces.wg0.public_key }}"
+      allowed_ips:
+        - "{{ hostvars['hindley'].vpn_interfaces.wg0.ip }}/{{ interfaces.wg0.netmaskv4 }}"
+      comment: "hindley"
+        

host_vars/sulfur/networking.yml

@@ -1,13 +0,0 @@
----
-interfaces:
-  ens18:
-    type: dhcp
-  wg0:
-    ipv4: "{{ intranet.subnets.physical.subnets.matrix.ipv4 }}"
-    netmaskv4: "{{ intranet.netmaskv4 }}"
-    type: wireguard
-
-ipv4_forwarding: false
-ipv6_forwarding: false
-
-lan_address: "{{ intranet.subnets.physical.subnets.matrix.ipv4 }}"

host_vars/sulfur/secrets.yml

@@ -0,0 +1,9 @@
+$ANSIBLE_VAULT;1.1;AES256
+65636333393239393537363163356565376535366136633266643165393662306533613137396262
+3263333334636263383162623533333637303466383139660a356161616138353764326166383566
+39383038613361616663646166626335396537343466336133356135633130643532373165633233
+3437613237656666630a346263643330343336633431313264373365633439623235396236353133
+63623733363935663035393666343739643461393263393966356336346563306434623833303139
+63653036343662333062393936316138613236326332363336326561316131356239646266643936
+30366265636138366239626633363562613330623432626266386135313537643030366534613237
+65633430346337643331

host_vars/sulfur/users.yml

@@ -1,7 +0,0 @@
----
-users: 
-  - g33kex: sudo
-  - histausse: sudo
-  - dorian: sudo
-  - thomyrock: sudo
-

host_vars/sulfur/vpn.yml

@@ -1,13 +0,0 @@
----
-vpn_interfaces:
-  wg0:
-    ip: "{{ interfaces.wg0.ipv4 }}"
-    private_key: "{{ vpn_vault_matrix_key }}"
-    public_key: "oQH8CBofxNSOGevaz1HZlz3ZW+H3ndb/TmqM0pCiRR8="
-    keepalive: true
-    peers:
-    - endpoint: "{{ hostvars['hindley'].interfaces.enp2s0.ipv4 }}"
-      public_key: "{{ hostvars['hindley'].vpn_interfaces.wg0.public_key }}"
-      allowed_ips:
-        - "{{ hostvars['hindley'].vpn_interfaces.wg0.ip }}/{{ interfaces.wg0.netmaskv4 }}"
-      comment: "hindley"

host_vars/technetium/ansible.yml

@@ -1,2 +0,0 @@
----
-ansible_host: "technetium.lan"

host_vars/technetium/main.yml

@@ -0,0 +1,36 @@
+---
+ansible_host: technetium.lan
+
+## Users
+users: 
+  g33kex: sudo, video
+  histausse: sudo, video
+
+## Networking
+interfaces:
+  eth0:
+    type: dhcp
+  wg0:
+    ipv4: "{{ intranet.subnets.physical.subnets.technetium.ipv4 }}"
+    netmaskv4: "{{ intranet.netmaskv4 }}"
+    type: wireguard
+
+ipv4_forwarding: false
+ipv6_forwarding: false
+
+lan_address: "{{ intranet.subnets.physical.subnets.technetium.ipv4 }}"
+
+## VPN
+vpn_interfaces:
+  wg0:
+    ip: "{{ interfaces.wg0.ipv4 }}"
+    private_key: "{{ vpn_key }}"
+    public_key: "sBk95X1alesUr7EhbJ04SfQ3HXHhnE4mm9PGYNa1xmc="
+    keepalive: true
+    peers:
+    - endpoint: "{{ hostvars['hindley'].interfaces.enp2s0.ipv4 }}"
+      public_key: "{{ hostvars['hindley'].vpn_interfaces.wg0.public_key }}"
+      allowed_ips:
+        - "{{ hostvars['hindley'].vpn_interfaces.wg0.ip }}/{{ interfaces.wg0.netmaskv4 }}"
+      comment: "hindley"
+        

host_vars/technetium/secrets.yml

@@ -0,0 +1,8 @@
+$ANSIBLE_VAULT;1.1;AES256
+66656663643539653865323364386464393932303834303832313463636662643161396533656534
+3330346432353736323266653063303538306232356133650a373134623933666137636538343832
+65323430353263623234616336396530613038333530333433383966653739336439643431363065
+6363313939623162340a626635633335333631306332386535393861653462383765376464613230
+63313033613462393331313431616138306430316634373334656537323431336633663833636132
+33323365316533373462323361383561623535326336643232633631316438316362653166616462
+333165626564653538333033393233303435

host_vars/technetium/users.yml

@@ -1,4 +0,0 @@
----
-users:
-  histausse: sudo, video
-  g33kex: sudo, video

hosts

@@ -36,11 +36,12 @@ hindley
 [vpn]
 hindley
 sulfur
+technetium
 
-[apt_proxies]
+[apt_proxy]
 hindley
 
-[prometheus_servers]
+[prometheus]
 hindley
 
 [matrix]
@@ -52,8 +53,3 @@ vanadium
 [backup]
 barium
 
-[no_user]
-sulfur
-
-[tests]
-technetium

roles/base/tasks/main.yml

@@ -19,9 +19,6 @@
       - acl
     state: latest
     update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
 
 - name: Customize motd
   copy:

roles/base_totp/tasks/main.yml

@@ -1,22 +0,0 @@
----
-- name: Install the PAM lib
-  apt:
-    name:
-      - libpam-oath
-    state: latest
-    update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
-
-- name: Add the totp secret for users
-  lineinfile:
-    path: /etc/users.oath
-    regexp: "{{ item.name }}"
-    line: "HOTP/T{{ totp_periode }}/{{ totp_digits }} {{ users.key }} - {{ users_dict[users.key].totp }}"
-    create: true
-    group: root
-    owner: root
-    mode: '600'
-  loop: "{{ users | dict2items }}"
-  no_log: true

roles/cloudinit/tasks/main.yml

@@ -0,0 +1,14 @@
+---
+- name: Remove cloudinit sudoers file
+  file:
+    path: "/etc/sudoers.d/90-cloud-init-users"
+    state: absent
+- name: Disable cloudinit
+  file:
+    path: "/etc/cloud/cloud-init.disabled"
+    owner: root
+    group: root
+    mode: "0644"
+    state: touch
+    modification_time: preserve
+    access_time: preserve

roles/networking/tasks/main.yml

@@ -6,9 +6,6 @@
       - ifupdown2
     state: latest
     update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
   when: ansible_facts["lsb"]["id"] == "Debian"
 
 - name: Install bridge-utils
@@ -17,40 +14,23 @@
       - bridge-utils
     state: latest
     update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
   when: (ansible_facts["lsb"]["id"] == "Debian") and 
         (lookup('dict', interfaces, wantlist=True) | selectattr('value.bridge', 'defined') | selectattr('value.bridge') | list)
 
 - name: Enable ipv4 forwarding
   ansible.posix.sysctl:
     name: net.ipv4.ip_forward
-    value: '1'
+    value: "'{{ ipv4_forwarding | int }}'"
     sysctl_set: true
   when: ipv4_forwarding
 
 - name: Enable ipv6 forwarding
   ansible.posix.sysctl:
     name: net.ipv6.conf.all.forwarding
-    value: '1'
+    value: "'{{ ipv6_forwarding | int }}'"
     sysctl_set: true
   when: ipv6_forwarding
 
-- name: Disable ipv4 forwarding
-  ansible.posix.sysctl:
-    name: net.ipv4.ip_forward
-    value: '0'
-    sysctl_set: true
-  when: not ipv4_forwarding
-
-- name: Disable ipv6 forwarding
-  ansible.posix.sysctl:
-    name: net.ipv6.conf.all.forwarding
-    value: '0'
-    sysctl_set: true
-  when: not ipv6_forwarding
-
 - name: Create interface config files
   ansible.builtin.template:
     src: "debian_interfaces.j2"

roles/ssh/handlers/main.yml

@@ -1,5 +1,4 @@
----
-- name: Reload sshd
+- name: reload_sshd
   systemd:
     name: sshd
     state: reloaded

roles/ssh/tasks/main.yml

@@ -0,0 +1,8 @@
+- name: sshd_config
+  ansible.builtin.template:
+    src: sshd_config.j2
+    dest: /etc/ssh/sshd_config
+    owner: root
+    group: root
+    mode: 0644
+  notify: reload_sshd

roles/ssh/templates/sshd_config.j2

@@ -0,0 +1,13 @@
+{{ ansible_managed | comment }}
+{% if ansible_os_family == "Ubuntu" %} 
+Include /etc/ssh/sshd_config.d/*.conf
+
+{% endif %}
+AuthorizedKeysFile /etc/ssh/authorized_keys/%u
+PermitRootLogin no
+PasswordAuthentication no
+ChallengeResponseAuthentication no
+UsePAM yes
+AcceptEnv LANG LC_*
+Subsystem sftp /usr/lib/openssh/sftp-server
+PrintMotd yes

roles/ssh_totp/meta/main.yml

@@ -1,2 +0,0 @@
-dependencies:
-  - role: base_totp

roles/ssh_totp/tasks/main.yml

@@ -1,25 +0,0 @@
----
-- name: Eddit pam config for ssh
-  lineinfile:
-    path: /etc/pam.d/sshd
-    regexp: 'pam_oath.so'
-    line: "auth	  required pam_oath.so usersfile=/etc/users.oath window={{totp_periode}} digits={{totp_digits}}"
-    insertafter: "^# PAM configuration for the Secure Shell service"
-
-- name: Set ChallengeResponseAuthentication in sshd conf
-  lineinfile:
-    path: /etc/ssh/sshd_config
-    regexp: '^#?ChallengeResponseAuthentication'
-    line: 'ChallengeResponseAuthentication yes'
-  notify: Reload sshd
-
-- name: Set UsePAM in sshd conf
-  lineinfile:
-    path: /etc/ssh/sshd_config
-    regexp: '^#?UsePAM'
-    line: 'UsePAM yes'
-  notify: Reload sshd
-
-
-
-

roles/users/tasks/main.yml

@@ -15,5 +15,6 @@
     key: "{{ user_dict[item.key].ssh_keys | join('\n') }}"
     user: "{{ item.key }}"
     exclusive: no
+    path: "/etc/ssh/authorized_keys/{{ item.key }}"
     state: present
   loop: "{{ users | dict2items }}"

roles/vpn/handlers/main.yml

@@ -4,5 +4,5 @@
     name: "wg-quick@{{ item.key }}"
     state: restarted
   loop:
-    - "{{ lookup('dict', vpn_interfaces) }}"
+    - "{{ vpn_interfaces | dict2items }}"
   no_log: true

roles/vpn/tasks/main.yml

@@ -3,7 +3,7 @@
   apt_repository:
     repo: deb http://deb.debian.org/debian buster-backports main
     state: present
-  when: ('debian_buster' in group_names) or ('proxmox_buster' in group_names)
+  when: ansible_facts["lsb"]["codename"] == "buster"
 
 - name: Install wireguard dependencies for proxmox
   apt:
@@ -12,10 +12,7 @@
       - wireguard-dkms # May need a `dkms autoinstall` and reboot ?
     state: latest
     update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
-  when: ('proxmox_buster' in group_names)
+  when: ('proxmox' in group_names)
 
 - name: Install wireguard
   apt:
@@ -23,9 +20,6 @@
       - wireguard
     state: latest
     update_cache: true
-  register: apt_result
-  retries: 3
-  until: apt_result is succeeded
 
 - name: Create wireguard config files
   ansible.builtin.template:
@@ -35,15 +29,13 @@
     group: root
     mode: '600'
   notify: Restart wireguard for interface
-  loop:
-    - "{{ lookup('dict', vpn_interfaces) }}"
-  no_log: true
+  loop: "{{ vpn_interfaces | dict2items }}"
+  no_log: "{{ enable_no_log | default('true') }}"
 
 - name: Enable interface
   systemd:
     name: "wg-quick@{{ item.key }}"
     state: started
     enabled: yes
-  loop:
-    - "{{ lookup('dict', vpn_interfaces) }}"
-  no_log: true
+  loop: "{{ vpn_interfaces | dict2items }}"
+  no_log: "{{ disable_no_log | not | default('true') }}"