Common web configuration.

6 files changed, 122 insertions, 0 deletions

diff --git a/roles/common-web/files/etc/nginx/fastcgi/params b/roles/common-web/files/etc/nginx/fastcgi/params
new file mode 100644
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--- /dev/null
+++ b/roles/common-web/files/etc/nginx/fastcgi/params
@@ -0,0 +1,22 @@
+fastcgi_param	QUERY_STRING		$query_string;
+fastcgi_param	REQUEST_METHOD		$request_method;
+fastcgi_param	CONTENT_TYPE		$content_type;
+fastcgi_param	CONTENT_LENGTH		$content_length;
+
+fastcgi_param	SCRIPT_FILENAME		$document_root$fastcgi_script_name;
+fastcgi_param	SCRIPT_NAME			$fastcgi_script_name;
+fastcgi_param	REQUEST_URI			$request_uri;
+fastcgi_param	DOCUMENT_URI		$document_uri;
+fastcgi_param	DOCUMENT_ROOT		$document_root;
+fastcgi_param	SERVER_PROTOCOL		$server_protocol;
+
+fastcgi_param	GATEWAY_INTERFACE	CGI/1.1;
+fastcgi_param	SERVER_SOFTWARE		nginx/$nginx_version;
+
+fastcgi_param	REMOTE_ADDR			$remote_addr;
+fastcgi_param	REMOTE_PORT			$remote_port;
+fastcgi_param	SERVER_ADDR			$server_addr;
+fastcgi_param	SERVER_PORT			$server_port;
+fastcgi_param	SERVER_NAME			$server_name;
+
+fastcgi_param	HTTPS				$https;
diff --git a/roles/common-web/files/etc/nginx/fastcgi/php b/roles/common-web/files/etc/nginx/fastcgi/php
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--- /dev/null
+++ b/roles/common-web/files/etc/nginx/fastcgi/php
@@ -0,0 +1,10 @@
+# cf. http://wiki.nginx.org/Pitfalls#Passing_Uncontrolled_Requests_to_PHP
+try_files $uri $uri/ =404;
+
+include 		fastcgi/params;
+# required if PHP was built with --enable-force-cgi-redirect
+fastcgi_param	REDIRECT_STATUS	200;
+
+fastcgi_intercept_errors 	on;
+fastcgi_read_timeout 		14400; 
+fastcgi_pass				unix:/var/run/php5-fpm.sock;
diff --git a/roles/common-web/files/etc/nginx/fastcgi/php-ssl b/roles/common-web/files/etc/nginx/fastcgi/php-ssl
new file mode 100644
index 0000000..b2a419c
--- /dev/null
+++ b/roles/common-web/files/etc/nginx/fastcgi/php-ssl
@@ -0,0 +1,8 @@
+# PHP only.
+# Credits to http://claylo.com/post/7617674014/ssl-php-fpm-and-nginx
+
+fastcgi_param HTTPS					on;
+fastcgi_param SSL_PROTOCOL			$ssl_protocol;
+fastcgi_param SSL_CIPHER			$ssl_cipher;
+fastcgi_param SSL_SESSION_ID		$ssl_session_id;
+fastcgi_param SSL_CLIENT_VERIFY		$ssl_client_verify;
diff --git a/roles/common-web/files/etc/nginx/ssl/config b/roles/common-web/files/etc/nginx/ssl/config
new file mode 100644
index 0000000..863961b
--- /dev/null
+++ b/roles/common-web/files/etc/nginx/ssl/config
@@ -0,0 +1,19 @@
+ssl on;
+
+# See http://nginx.org/en/docs/http/configuring_https_servers.html#optimization
+keepalive_timeout 			75 75;
+ssl_session_timeout			5m;
+ssl_session_cache 			shared:SSL:5m;
+
+# XXX: Ideally we want to get rid of TLSv1, to be immune to the BEAST
+# attack. Sadly as of 2013 many clients don't support TLSv1.2, though.
+# The alternative would be to reject BEAST-vulnerable ciphers from TLSv1
+# in favor of RC4, but that's not satisfactory either since RC4 has
+# other weaknesses.
+ssl_protocols 				SSLv3 TLSv1 TLSv1.1 TLSv1.2;
+ssl_ciphers 				HIGH:!SSLv2:!aNULL:!eNULL:!3DES:!MD5:@STRENGTH;
+ssl_prefer_server_ciphers 	on;
+
+# Strict Transport Security header for enhanced security. See
+# http://www.chromium.org/sts.
+add_header Strict-Transport-Security "max-age=12960000";
diff --git a/roles/common-web/handlers/main.yml b/roles/common-web/handlers/main.yml
new file mode 100644
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--- /dev/null
+++ b/roles/common-web/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: Restart Nginx
+  service: name=nginx state=restarted
diff --git a/roles/common-web/tasks/main.yml b/roles/common-web/tasks/main.yml
new file mode 100644
index 0000000..ac42af3
--- /dev/null
+++ b/roles/common-web/tasks/main.yml
@@ -0,0 +1,60 @@
+- name: Install Nginx
+  apt: pkg=nginx
+
+- name: Limit Nginx logging
+  lineinfile: "dest=/etc/logrotate.d/nginx create=yes
+               regexp='^\\s*rotate\\s'
+               line='\trotate 3'"
+  tags:
+    - logrotate
+
+- name: Delete /etc/nginx/*_params
+  file: path=/etc/nginx/{{ item }}_params state=absent
+  with_items:
+    - fastcgi
+    - proxy
+    - scgi
+    - uwsgi
+
+- name: Delete /etc/nginx/sites-{available,enabled}/default
+  file: path=/etc/nginx/sites-{{ item }}/default state=absent
+  with_items:
+    - enabled
+    - available
+
+- name: Create directory /etc/nginx/{fastcgi,ssl}
+  file: path=/etc/nginx/{{ item }}
+        state=directory
+        owner=root group=root
+        mode=0755
+  with_items:
+    - fastcgi
+    - ssl
+
+- name: Copy fastcgi parameters
+  copy: src=etc/nginx/fastcgi/{{ item }}
+        dest=/etc/nginx/fastcgi/{{ item }}
+        owner=root group=root
+        mode=0644
+  register: r1
+  with_items:
+    - params
+    - php
+    - php-ssl
+  notify:
+    - Restart Nginx
+
+- name: Copy SSL configuration
+  copy: src=etc/nginx/ssl/config
+        dest=/etc/nginx/ssl/config
+        owner=root group=root
+        mode=0644
+  register: r2
+  notify:
+    - Restart Nginx
+
+- name: Start Nginx
+  service: name=nginx state=started
+  when: not (r1.changed or r2.changed)
+
+- meta: flush_handlers