Created
October 10, 2017 17:00
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Ansible の LetsEncrypt モジュールを使う
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server { | |
listen 80; | |
client_max_body_size 20M; | |
server_name {{ domain }}; | |
location /.well-known/acme-challenge/ { | |
alias /var/www/letsencrypt/.well-known/acme-challenge/; | |
try_files $uri =404; | |
access_log off; | |
} | |
location / { | |
rewrite ^(.*)$ https://{{ domain }}$1 permanent; | |
} | |
} |
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- hosts: web | |
serial: 1 | |
remote_user: ubuntu | |
become: yes | |
tasks: | |
- name: パッケージインストール | |
apt: name={{ item }} state=installed | |
with_items: | |
- nginx | |
- openssl | |
- python-openssl | |
# LetsEncrypt向けの nginx の準備 | |
- name: default設定ファイルを削除する | |
file: path="/etc/nginx/sites-enabled/default" state=absent | |
- name: LetsEncrypt用の nginx の設定ファイルを配置する | |
template: src="letsencrypt.conf.j2" dest="/etc/nginx/sites-available/letsencrypt.conf" | |
- name: LetsEncrypt用の nginx の設定ファイルをリンクする | |
file: src="/etc/nginx/sites-available/letsencrypt.conf" dest="/etc/nginx/sites-enabled/letsencrypt.conf" state=link | |
- name: nginx を reload | |
service: name=nginx state=reloaded | |
# ディレクトリの準備 | |
- name: letsencrypt ACMEチャレンジ用ディレクトリを作成する | |
file: path=/var/www/letsencrypt/.well-known/acme-challenge state=directory owner="{{ username }}" group="{{ username }}" | |
- name: サーバー証明書用のディレクトリを作成する | |
file: path=/etc/ssl/{{ domain }} state=directory | |
# 鍵の準備 | |
- name: LetsEncrypt のアカウント鍵を生成する | |
openssl_privatekey: path=/etc/ssl/{{ domain }}/account.key | |
- name: サーバー証明書の秘密鍵を作成する | |
openssl_privatekey: path=/etc/ssl/{{ domain }}/domain.key | |
- name: サーバー証明書の署名要求ファイルを作成する | |
command: openssl req -new -key domain.key -out {{ domain }}.csr -subj "/C=JP/ST=Tokyo/L=Tokyo/O=zenwerk/CN={{ domain }}" chdir=/etc/ssl/{{ domain }} creates={{ domain }}.csr | |
# 証明書を取得する | |
- name: LetsEncrypt にチャレンジ要求を行う | |
letsencrypt: | |
acme_directory: https://acme-v01.api.letsencrypt.org/directory | |
account_key: /etc/ssl/{{ domain }}/account.key | |
csr: /etc/ssl/{{ domain }}/{{ domain }}.csr | |
dest: /etc/ssl/{{ domain }}/cert.pem | |
remaining_days: 90 | |
register: acme_challenge | |
- name: LetsEncrypt のチャレンジ要求を設定する | |
become: no | |
copy: | |
dest: /var/www/letsencrypt/{{ acme_challenge['challenge_data'][domain]['http-01']['resource'] }} | |
content: "{{ acme_challenge['challenge_data'][domain]['http-01']['resource_value'] }}" | |
when: acme_challenge|changed | |
- name: LetsEncrypt のチャレンジを実施し証明書を取得する | |
letsencrypt: | |
acme_directory: https://acme-v01.api.letsencrypt.org/directory | |
account_key: /etc/ssl/{{ domain }}/account.key | |
csr: /etc/ssl/{{ domain }}/{{ domain }}.csr | |
dest: /etc/ssl/{{ domain }}/cert.pem | |
remaining_days: 90 | |
data: "{{ acme_challenge }}" | |
# 中間証明書の準備 | |
- name: LetsEncrypt の中間証明書を取得する | |
get_url: | |
url: "{{ letsencrypt_intermidiate_ca }}" | |
dest: /etc/ssl/{{ domain }}/chain.pem | |
- name: 中間証明書を作成する | |
shell: cat cert.pem chain.pem > fullchain.pem chdir=/etc/ssl/{{ domain }} | |
# コンテンツ配信向けの nginx の準備 | |
- name: コンテンツ配信用の nginx の設定ファイルを配置する | |
template: src="web.conf.j2" dest="/etc/nginx/sites-available/web.conf" | |
- name: コンテンツ配信用の nginx の設定ファイルをリンクする | |
file: src="/etc/nginx/sites-available/web.conf" dest="/etc/nginx/sites-enabled/web.conf" state=link | |
notify: reload nginx | |
handlers: | |
- name: reload nginx | |
service: name=nginx state=reloaded | |
vars: | |
username: ubuntu | |
domain: example.net | |
letsencrypt_intermidiate_ca: https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem.txt |
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[web] | |
web ansible_ssh_host=IPアドレスをここに |
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server { | |
listen 443 ssl; | |
client_max_body_size 20M; | |
server_name {{ domain }}; | |
ssl_certificate /etc/ssl/{{ domain }}/fullchain.pem; | |
ssl_certificate_key /etc/ssl/{{ domain }}/domain.key; | |
ssl_session_cache shared:SSL:1m; | |
ssl_session_timeout 5m; | |
ssl_ciphers HIGH:!aNULL:!MD5; | |
ssl_prefer_server_ciphers on; | |
index index.html index.htm index.nginx-debian.html; | |
root /var/www/html/; | |
location / { | |
try_files $uri $uri/ =404; | |
} | |
} |
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