Alan Orth
b7ab2da08a
Hosts can specify use_letsencrypt: 'yes' in their host_vars. For now this assumes that the certificates already exist (ie, you have to manually run Let's Encrypt first to register/create the certs).
67 lines
2.8 KiB
Django/Jinja
67 lines
2.8 KiB
Django/Jinja
{# helper variables and per-site defaults that we can't set in role defaults #}
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{% set domain_name = item.domain_name %}
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{# assume HSTS is off unless a vhost explicitly sets it to "yes" #}
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{% set enable_hsts = item.enable_hsts | default("no") %}
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{# assume a vhost is not using Let's Encrypt unless it explicitly sets it to "yes" #}
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{% set use_letsencrypt = item.use_letsencrypt | default("no") %}
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{% if use_letsencrypt == "yes" %}
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# concatenated key + cert
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# See: http://nginx.org/en/docs/http/configuring_https_servers.html
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ssl_certificate {{ letsencrypt_root }}/{{ domain_name }}/fullchain.pem;
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ssl_certificate_key {{ letsencrypt_root }}/{{ domain_name }}/privkey.pem;
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{% elif item.tls_certificate_path and item.tls_key_path %}
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# concatenated key + cert
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# See: http://nginx.org/en/docs/http/configuring_https_servers.html
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ssl_certificate {{ item.tls_certificate_path }};
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ssl_certificate_key {{ item.tls_key_path }};
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{% else %}
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# "snakeoil" certificate (self signed!)
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ssl_certificate /etc/ssl/certs/nginx-snakeoil.crt;
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ssl_certificate_key /etc/ssl/private/nginx-snakeoil.key;
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{% endif %}
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ssl_session_timeout {{ nginx_ssl_session_timeout }};
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ssl_session_cache {{ nginx_ssl_session_cache }};
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ssl_buffer_size {{ nginx_ssl_buffer_size }};
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ssl_dhparam {{ nginx_ssl_dhparam }};
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ssl_protocols {{ nginx_ssl_protocols }};
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ssl_ciphers "{{ tls_cipher_suite }}";
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ssl_prefer_server_ciphers on;
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{# OSCP stapling only works with real certs #}
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{% if use_letsencrypt == "yes" or item.tls_certificate_path %}
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# OCSP stapling...
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ssl_stapling on;
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ssl_stapling_verify on;
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{% if linode_id is defined %}
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# use Linode internal DNS
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resolver 139.162.139.5 139.162.130.5 [2a01:7e01::5] [2a01:7e01::6];
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{% else %}
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resolver 8.8.8.8 8.8.4.4 [2001:4860:4860::8844] [2001:4860:4860::8888];
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{% endif %} {# end: linode_id #}
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{% endif %} {# end: use_letsencrypt #}
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# nginx does not auto-rotate session ticket keys: only a HUP / restart will do so and
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# when a restart is performed the previous key is lost, which resets all previous
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# sessions. The fix for this is to setup a manual rotation mechanism:
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# http://trac.nginx.org/nginx/changeset/1356a3b9692441e163b4e78be4e9f5a46c7479e9/nginx
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#
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# Note that you'll have to define and rotate the keys securely by yourself. In absence
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# of such infrastructure, consider turning off session tickets:
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ssl_session_tickets off;
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{% if enable_hsts == "yes" %}
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# Enable this if you want HSTS (recommended, but be careful)
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# Include all subdomains and indicate to Google that we want this pre-loaded in Chrome's HSTS store
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# See: https://hstspreload.appspot.com/
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add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload" always;
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{% endif %}
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