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Signed-off-by: Knut Ahlers <knut@ahlers.me>
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Knut Ahlers 2017-12-25 11:46:51 +01:00
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# luzifer-ansible / nginx-letsencrypt
This role installs nginx and [nginx-letsencrypt](https://github.com/Luzifer/nginx-letsencrypt) on the host and writes the nginx configuration to be used.
## Requirements
- Debian >= 8 (jessie)
- Ubuntu >= 16.04 (xenial)
## Usage
See the [Ansible Galaxy Intro](https://galaxy.ansible.com/intro) for usage of roles within Ansible Galaxy.
For configuration variables and how to use them see [defaults/main.yml](defaults/main.yml).

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---
nginx_letsencrypt_buffer: 720h
nginx_letsencrypt_email: mail@example.com
nginx_letsencrypt_log_level: debug
nginx_letsencrypt_port: 5002
nginx_letsencrypt_storage_dir: /data/ssl
nginx_letsencrypt_version: v0.1.4
...

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---
galaxy_info:
author: Knut Ahlers
description: |
Install and configure nginx and nginx-letsencrypt wrapper on host
license: Apache
min_ansible_version: 2.3
platforms:
- name: Ubuntu
versions:
- xenial
- name: Debian
versions:
- jessie
- stretch
categories:
#- cloud
#- cloud:ec2
#- cloud:gce
#- cloud:rax
#- clustering
#- database
#- database:nosql
#- database:sql
#- development
#- monitoring
#- networking
#- packaging
#- system
- web
dependencies: []
# List your role dependencies here, one per line.
# Be sure to remove the '[]' above if you add dependencies
# to this list.

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---
- name: Install nginx package
apt:
name: nginx
- name: Ensure nginx service is disabled and stopped
systemd:
name: nginx
enabled: false
state: stopped
- name: Get current nginx-letsencrypt version
shell: "/usr/local/bin/nginx-letsencrypt --version || true"
check_mode: no
register: nginx_letsencrypt_version_cmd
- name: Download nginx-letsencrypt release
get_url:
url: "https://github.com/Luzifer/nginx-letsencrypt/releases/download/{{ nginx_letsencrypt_version }}/nginx-letsencrypt_linux_amd64"
dest: /usr/local/bin/nginx-letsencrypt
force: true
mode: 0755
when: nginx_letsencrypt_version not in nginx_letsencrypt_version_cmd.stdout
register: nginx_letsencrypt_binary
- name: Install modified nginx config
template:
src: nginx.conf.j2
dest: /etc/nginx/nginx.conf
- name: Install system.d service
copy:
content: |
[Unit]
Description=nginx wrapper with LetsEncrypt certificate management
After=network-online.target
Requires=network-online.target
[Service]
Restart=always
ExecStart=/usr/local/bin/nginx-letsencrypt \
--email {{ nginx_letsencrypt_email }} \
--nginx-config /etc/nginx/nginx.conf \
--storage-dir {{ nginx_letsencrypt_storage_dir }} \
--log-level {{ nginx_letsencrypt_log_level }} \
--buffer {{ nginx_letsencrypt_buffer }} \
--listen-http :{{ nginx_letsencrypt_port }}
[Install]
WantedBy=multi-user.target
dest: /etc/systemd/system/nginx-letsencrypt.service
register: nginx_letsencrypt_service
- name: Restart and enable nginx-letsencrypt service
systemd:
name: nginx-letsencrypt
enabled: true
state: restarted
when: nginx_letsencrypt_binary.changed or nginx_letsencrypt_service.changed

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include /etc/nginx/modules-enabled/*.conf;
user {{ nginx_letsencrypt_config.user | default('www-data') }};
worker_processes {{ nginx_letsencrypt_config.worker_processes | default('auto') }};
pid {{ nginx_letsencrypt_config.pid_file | default('/run/nginx.pid') }};
events {
worker_connections {{ nginx_letsencrypt_config.worker_connections | default('768') }};
multi_accept {{ nginx_letsencrypt_config.multi_accept | default('off') }};
}
http {
##
# Basic Settings
##
resolver {{ nginx_letsencrypt_config.resolver | default('127.0.0.1 ipv6=off') }};
sendfile {{ nginx_letsencrypt_config.sendfile | default('on') }};
tcp_nopush {{ nginx_letsencrypt_config.tcp_nopush | default('on') }};
tcp_nodelay {{ nginx_letsencrypt_config.tcp_nodelay | default('on') }};
keepalive_timeout {{ nginx_letsencrypt_config.keepalive_timeout | default('65') }};
types_hash_max_size {{ nginx_letsencrypt_config.types_hash_max_size | default('2048') }};
server_tokens {{ nginx_letsencrypt_config.server_tokens | default('off') }};
include /etc/nginx/mime.types;
default_type application/octet-stream;
##
# SSL Settings
##
ssl_protocols {{ nginx_letsencrypt_config.ssl_protocols | default('TLSv1.2') }};
ssl_ciphers {{ nginx_letsencrypt_config.ssl_ciphers | default('ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256') }};
ssl_prefer_server_ciphers {{ nginx_letsencrypt_config.ssl_prefer_server_ciphers | default('on') }};
ssl_buffer_size {{ nginx_letsencrypt_config.ssl_buffer_size | default('8k') }};
ssl_stapling {{ nginx_letsencrypt_config.ssl_stapling | default('on') }};
ssl_stapling_verify {{ nginx_letsencrypt_config.ssl_stapling_verify | default('on') }};
##
# Logging Settings
##
log_format combined_w_host '$remote_addr - $remote_user [$time_local] '
'"$request" $status $body_bytes_sent '
'"$http_referer" "$http_user_agent" "$http_host"';
access_log /var/log/nginx/access.log combined_w_host;
error_log /var/log/nginx/error.log;
##
# Gzip Settings
##
gzip {{ nginx_letsencrypt_config.gzip | default('on') }};
gzip_disable {{ nginx_letsencrypt_config.gzip_disable | default('"msie6"') }};
gzip_comp_level {{ nginx_letsencrypt_config.gzip_comp_level | default('1') }};
gzip_proxied {{ nginx_letsencrypt_config.gzip_proxied | default('off') }};
gzip_min_length {{ nginx_letsencrypt_config.gzip_min_length | default('20') }};
gzip_vary {{ nginx_letsencrypt_config.gzip_vary | default('off') }};
gzip_types {{ nginx_letsencrypt_config.gzip_types | default('text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript')}};
##
# Custom settings
##
{% if nginx_letsencrypt_config.http_lines is defined %}
{% for line in nginx_letsencrypt_config.http_lines %}
{{ line }}
{% endfor %}
{% endif %}
##
# Plain HTTP forwarder / ACME challenge forwarder
##
server {
listen 80 default_server;
listen [::]:80 default_server;
# Forward acme challenges to nginx-letsencrypt daemon
location ~ /.well-known/acme-challenge {
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://127.0.0.1:{{ nginx_letsencrypt_port }};
}
location / {
return 301 https://$host$request_uri;
}
}
###
# Custom servers
###
{% for server in nginx_letsencrypt_config.servers %}
server {
{% for listen in server.listen %}
listen {{ listen }};
{% endfor %}
server_name {{ server.server_names | default([server.server_name]) | join(' ') }};
{% if server.server_lines is defined %}
{% for line in server.server_lines %}
{{ line }}
{% endfor %}
{% endif %}
{% for location in server.locations | default([]) %}
location {{ location.path }} {
{% for line in location.location_lines %}
{{ line }}
{% endfor %}
{% if location.target is defined %}
return 301 {{ location.target }}{{ location.target_path | default('$request_uri') }};
{% endif %}
}
{% endfor %}
}
{% endfor %}
}
# vim: set ft=nginx: