Merge pull request #153 from EvaSDK/add_dhparam_creation

Add dhparam creation

nginx/ng/certificates.sls

+{% from 'nginx/ng/map.jinja' import nginx with context %}
+
 include:
   - nginx.ng.service
 
 {% set certificates_path = salt['pillar.get']('nginx:ng:certificates_path', '/etc/nginx/ssl') %}
+
+{%- for dh_param, value in salt.pillar.get('nginx:ng:dh_param').items() %}
+{%- if value is string %}
+create_nginx_dhparam_{{ dh_param }}_key:
+  file.managed:
+    - name: {{ certificates_path }}/{{ dh_param }}
+    - contents_pillar: nginx:ng:dh_param:{{ dh_param }}
+    - makedirs: True
+    - watch_in:
+      - service: nginx_service
+{%- else %}
+generate_nginx_dhparam_{{ dh_param }}_key:
+  pkg.installed:
+    - name: {{ nginx.lookup.openssl_package }}
+  file.directory:
+    - name: {{ certificates_path }}
+    - makedirs: True
+  cmd.run:
+    - name: openssl dhparam -out {{ dh_param }} {{ value.get('keysize', 2048) }}
+    - cwd: {{ certificates_path }}
+    - creates: {{ certificates_path }}/{{ dh_param }}
+    - watch_in:
+      - service: nginx_service
+{%- endif %}
+{%- endfor %}
+
 {%- for domain in salt['pillar.get']('nginx:ng:certificates', {}).keys() %}
 
 nginx_{{ domain }}_ssl_certificate:

nginx/ng/map.jinja

             'server_enabled': '/etc/nginx/sites-enabled',
             'server_use_symlink': True,
             'pid_file': '/run/nginx.pid',
+            'openssl_package': 'openssl',
         },
         'CentOS': {
             'package': 'nginx',
             'rh_os_releasever': '$releasever',
             'gpg_check': False,
             'gpg_key': 'http://nginx.org/keys/nginx_signing.key',
+            'openssl_package': 'openssl',
         },
         'RedHat': {
             'package': 'nginx',
               'passenger_instance_registry_dir': ' /var/run/passenger-instreg',
               'passenger_ruby': '/usr/bin/ruby',
             },
+            'openssl_package': 'openssl',
         },
         'Suse': {
             'package': 'nginx',
             'server_use_symlink': False,
             'pid_file': '/run/nginx.pid',
             'gpg_check': True,
-            'gpg_key': 'http://download.opensuse.org/repositories/server:/http/openSUSE_13.2/repodata/repomd.xml.key'
+            'gpg_key': 'http://download.opensuse.org/repositories/server:/http/openSUSE_13.2/repodata/repomd.xml.key',
+            'openssl_package': 'openssl',
         },
         'Arch': {
             'package': 'nginx',
             'server_available': '/etc/nginx/sites-available',
             'server_enabled': '/etc/nginx/sites-enabled',
             'server_use_symlink': True,
+            'openssl_package': 'openssl',
         },
         'Gentoo': {
             'package': 'www-servers/nginx',
             'server_available': '/etc/nginx/sites-available',
             'server_enabled': '/etc/nginx/sites-enabled',
             'server_use_symlink': True,
+            'openssl_package': 'dev-libs/openssl',
         },
         'FreeBSD': {
             'package': 'nginx',

pillar.example

           (Your Private Key: www.example.com.key)
           -----END RSA PRIVATE KEY-----
 
+    dh_param:
+      'mydhparam1.pem': |
+        -----BEGIN DH PARAMETERS-----
+        (Your custom DH prime)
+        -----END DH PARAMETERS-----
+      # or to generate one on-the-fly
+      'mydhparam2.pem':
+        keysize: 2048
+
     # Passenger configuration
     # Default passenger configuration is provided, and will be deployed in
     # /etc/nginx/conf.d/passenger.conf
       passenger_root: /usr/lib/ruby/vendor_ruby/phusion_passenger/locations.ini
       passenger_ruby: /usr/bin/ruby
       passenger_instance_registry_dir: /var/run/passenger-instreg
-