librenms & racktables: use LE certificates

group_vars/kitchen

@@ -1,5 +1,8 @@
 ---
 
+acme_dnskey_file: /etc/acme/nsupdate.key
+acme_dnskey_server: neon.binary-kitchen.net
+
 dhcpd_failover: true
 dhcpd_primary: 172.23.2.3
 dhcpd_secondary: 172.23.2.4

roles/acme-dnskey-generate/defaults/main.yml

@@ -1,5 +1,5 @@
 ---
 
-acme_dnskey_file: "/etc/acme/nsupdate.key"
-acme_dnskey_algorithm: "hmac-sha512"
-acme_dnskey_server: "neon.binary-kitchen.net"
+acme_dnskey_file: /etc/acme/nsupdate.key
+acme_dnskey_algorithm: hmac-sha512
+acme_dnskey_server: neon.binary-kitchen.net

roles/librenms/meta/main.yml

@@ -1,4 +1,5 @@
 ---
 
 dependencies:
-- { role: nginx, nginx_ssl: False }
+- { role: certmgr }
+- { role: nginx, nginx_ssl: True }

roles/librenms/tasks/main.yml

@@ -48,6 +48,19 @@
 - name: Configure librenms
   template: src=config.php.j2 dest=/usr/share/librenms/config.php owner=librenms group=www-data mode=0440
 
+- name: Ensure certificates are available
+  command: openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/nginx/ssl/{{ librenms_domain }}.key -out /etc/nginx/ssl/{{ librenms_domain }}.crt -days 730 -subj "/CN={{ librenms_domain }}" creates=/etc/nginx/ssl/{{ librenms_domain }}.crt
+  notify: Restart nginx
+
+- name: Request nsupdate key for certificate
+  include_role: name=acme-dnskey-generate
+  vars:
+    acme_dnskey_san_domains:
+    - "{{ librenms_domain }}"
+
+- name: Configure certificate manager for librenms
+  template: src=certs.j2 dest=/etc/acme/domains.d/{{ librenms_domain }}.conf
+
 - name: Configure vhost
   template: src=vhost.j2 dest=/etc/nginx/sites-available/librenms
   notify: Restart nginx

roles/librenms/templates/certs.j2

@@ -0,0 +1,18 @@
+---
+
+{{ librenms_domain }}:
+- mode: dns.nsupdate
+  nsupdate_server: {{ acme_dnskey_server }}
+  nsupdate_keyfile: {{ acme_dnskey_file }}
+- path: /etc/nginx/ssl/{{ librenms_domain }}.key
+  user: root
+  group: root
+  perm: '400'
+  format: key
+  action: '/usr/sbin/service nginx restart'
+- path: /etc/nginx/ssl/{{ librenms_domain }}.crt
+  user: root
+  group: root
+  perm: '400'
+  format: crt,ca
+  action: '/usr/sbin/service nginx restart'

roles/librenms/templates/vhost.j2

@@ -4,6 +4,20 @@ server {
 
 	server_name {{ librenms_domain }};
 
+	location / {
+		return 301 https://{{ librenms_domain }}$request_uri;
+	}
+}
+
+server {
+	listen 443 ssl http2;
+	listen [::]:443 ssl http2;
+
+	server_name {{ librenms_domain }};
+
+	ssl_certificate_key /etc/nginx/ssl/{{ librenms_domain }}.key;
+	ssl_certificate /etc/nginx/ssl/{{ librenms_domain }}.crt;
+
 	root /usr/share/librenms/html;
 
 	index index.php;

roles/racktables/meta/main.yml

@@ -1,4 +1,5 @@
 ---
 
 dependencies:
-- { role: nginx, nginx_ssl: False }
+- { role: certmgr }
+- { role: nginx, nginx_ssl: True }

roles/racktables/tasks/main.yml

@@ -27,6 +27,19 @@
 - name: Configure RackTables
   template: src=secret.php.j2 dest=/opt/racktables/wwwroot/inc/secret.php owner=www-data group=www-data mode=0400
 
+- name: Ensure certificates are available
+  command: openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/nginx/ssl/{{ racktables_domain }}.key -out /etc/nginx/ssl/{{ racktables_domain }}.crt -days 730 -subj "/CN={{ racktables_domain }}" creates=/etc/nginx/ssl/{{ racktables_domain }}.crt
+  notify: Restart nginx
+
+- name: Request nsupdate key for certificate
+  include_role: name=acme-dnskey-generate
+  vars:
+    acme_dnskey_san_domains:
+    - "{{ racktables_domain }}"
+
+- name: Configure certificate manager for racktables
+  template: src=certs.j2 dest=/etc/acme/domains.d/{{ racktables_domain }}.conf
+
 - name: Configure vhost
   template: src=vhost.j2 dest=/etc/nginx/sites-available/racktables
   notify: Restart nginx

roles/racktables/templates/certs.j2

@@ -0,0 +1,18 @@
+---
+
+{{ racktables_domain }}:
+- mode: dns.nsupdate
+  nsupdate_server: {{ acme_dnskey_server }}
+  nsupdate_keyfile: {{ acme_dnskey_file }}
+- path: /etc/nginx/ssl/{{ racktables_domain }}.key
+  user: root
+  group: root
+  perm: '400'
+  format: key
+  action: '/usr/sbin/service nginx restart'
+- path: /etc/nginx/ssl/{{ racktables_domain }}.crt
+  user: root
+  group: root
+  perm: '400'
+  format: crt,ca
+  action: '/usr/sbin/service nginx restart'

roles/racktables/templates/vhost.j2

@@ -4,6 +4,20 @@ server {
 
 	server_name {{ racktables_domain }};
 
+	location / {
+		return 301 https://{{ racktables_domain }}$request_uri;
+	}
+}
+
+server {
+	listen 443 ssl http2;
+	listen [::]:443 ssl http2;
+
+	server_name {{ racktables_domain }};
+
+	ssl_certificate_key /etc/nginx/ssl/{{ racktables_domain }}.key;
+	ssl_certificate /etc/nginx/ssl/{{ racktables_domain }}.crt;
+
 	root /opt/racktables/wwwroot;
 
 	index index.php;