Add Let's Encrypt SSL template.

diff --git a/templates/web.letsencrypt.ssl.template.yml b/templates/web.letsencrypt.ssl.template.yml
new file mode 100644 (file)
index 0000000..404e257
--- /dev/null
+++ b/templates/web.letsencrypt.ssl.template.yml
@@ -0,0 +1,63 @@
+env:
+  LETSENCRYPT_DIR: "/shared/letsencrypt"
+
+run:
+  - exec:
+     cmd:
+       - cd /root && git clone https://github.com/Neilpang/le.git
+       - touch /var/spool/cron/crontabs/root
+       - install -d -m 0755 -g root -o root $LETSENCRYPT_DIR
+       - cd /root/le && LE_WORKING_DIR="${LETSENCRYPT_DIR}" ./le.sh install
+
+  - file:
+     path: /etc/runit/1.d/letsencrypt
+     chmod: "+x"
+     contents: |
+        #!/bin/bash
+        set -e
+        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh issue no $$ENV_DISCOURSE_HOSTNAME no 4096
+        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh installcert $$ENV_DISCOURSE_HOSTNAME /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.cer /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.key no "sv reload nginx"
+        # After the initial install, switch to Webroot plugin
+        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh _setopt $$ENV_LETSENCRYPT_DIR/$$ENV_DISCOURSE_HOSTNAME/$$ENV_DISCOURSE_HOSTNAME.conf "Le_Webroot" "=" "/var/www/discourse/public"
+
+  - exec:
+     cmd:
+       # Generate strong Diffie-Hellman parameters
+       - "mkdir -p /shared/ssl/"
+       - "[ -e /shared/ssl/dhparams.pem ] || openssl dhparam -out /shared/ssl/dhparams.pem 2048"
+
+  - replace:
+     filename: "/etc/nginx/conf.d/discourse.conf"
+     from: /server.+{/
+     to: |
+       server {
+         listen 80;
+         rewrite ^ https://$$ENV_DISCOURSE_HOSTNAME$request_uri? permanent;
+       }
+       server {
+  - replace:
+     filename: "/etc/nginx/conf.d/discourse.conf"
+     from: /listen 80;\s+gzip on;/m
+     to: |
+       listen 443 ssl http2;
+       ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+       # courtesy of https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_configurations
+       ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;
+       ssl_prefer_server_ciphers on;
+
+       ssl_certificate /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.cer;
+       ssl_certificate_key /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.key;
+       ssl_dhparam /shared/ssl/dhparams.pem;
+
+       ssl_session_tickets off;
+       ssl_session_timeout 1d;
+       ssl_session_cache shared:SSL:1m;
+
+       # remember the certificate for 2 months and automatically connect to HTTPS for this domain
+       add_header Strict-Transport-Security 'max-age=5184000';
+
+       gzip on;
+
+       if ($http_host != $$ENV_DISCOURSE_HOSTNAME) {
+          rewrite (.*) https://$$ENV_DISCOURSE_HOSTNAME$1 permanent;
+       }