From 1e20f06e097f83d78871676711514be7440f7b50 Mon Sep 17 00:00:00 2001
From: Pedro Alvarez <pedro.alvarez@codethink.co.uk>
Date: Tue, 31 Aug 2021 18:03:08 +0100
Subject: Auto renew SSL certs

---
 baserock_frontend/files/deploy-haproxy.sh |  2 ++
 baserock_frontend/files/post-haproxy.sh   |  2 ++
 baserock_frontend/files/pre-haproxy.sh    |  2 ++
 baserock_frontend/instance-config.yml     | 55 ++++++++++++++++++++++++++++---
 4 files changed, 56 insertions(+), 5 deletions(-)
 create mode 100644 baserock_frontend/files/deploy-haproxy.sh
 create mode 100644 baserock_frontend/files/post-haproxy.sh
 create mode 100644 baserock_frontend/files/pre-haproxy.sh

diff --git a/baserock_frontend/files/deploy-haproxy.sh b/baserock_frontend/files/deploy-haproxy.sh
new file mode 100644
index 00000000..c7732a2c
--- /dev/null
+++ b/baserock_frontend/files/deploy-haproxy.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+cat $RENEWED_LINEAGE/fullchain.pem $RENEWED_LINEAGE/privkey.pem > /etc/ssl/private/baserock.pem
diff --git a/baserock_frontend/files/post-haproxy.sh b/baserock_frontend/files/post-haproxy.sh
new file mode 100644
index 00000000..4582f4a9
--- /dev/null
+++ b/baserock_frontend/files/post-haproxy.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+service haproxy start
diff --git a/baserock_frontend/files/pre-haproxy.sh b/baserock_frontend/files/pre-haproxy.sh
new file mode 100644
index 00000000..b83d5179
--- /dev/null
+++ b/baserock_frontend/files/pre-haproxy.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+service haproxy stop
diff --git a/baserock_frontend/instance-config.yml b/baserock_frontend/instance-config.yml
index 491ee535..3e85fbfb 100644
--- a/baserock_frontend/instance-config.yml
+++ b/baserock_frontend/instance-config.yml
@@ -6,13 +6,58 @@
 - hosts: frontend-haproxy
   gather_facts: false
   become: yes
+  vars:
+    domain: ".baserock.org"
+    subdomain_list:
+      - frontend
+      - irclogs
+      - paste
+      - spec
+      - docs
+      - download
+      - ostree
+      - cache
+    full_subdomain_list: "{{ subdomain_list | product([domain]) | map('join') | list }}"
+    full_subdomain_string: "{{ full_subdomain_list | join(',') }}"
+    main_subdomain: "{{ full_subdomain_list[0] }}"
+    letsencrypt_email: "admin@baserock.org"
   tasks:
-  - name: install SSL certificate
+  - name: Install LetsEncrypt client
+    apt:
+      name:
+        - certbot
+
+  - name: Install certbot hooks
     copy:
-      content: "{{ lookup('file', '../private/frontend-with-key.pem') }}"
-      dest: /etc/ssl/private/baserock.pem
-      owner: haproxy
-      mode: 400
+      src: "{{ item.src }}"
+      dest: "{{ item.dest }}"
+      mode: '0755'
+    with_items:
+      - src: pre-haproxy.sh
+        dest: /etc/letsencrypt/renewal-hooks/pre/haproxy.sh
+      - src: post-haproxy.sh
+        dest: /etc/letsencrypt/renewal-hooks/post/haproxy.sh
+      - src: deploy-haproxy.sh
+        dest: /etc/letsencrypt/renewal-hooks/deploy/haproxy.sh
+
+  - name: check for certificate live configuration
+    stat:
+      path: "/etc/letsencrypt/live/{{ main_subdomain }}"
+      get_checksum: no
+      get_mime: no
+    register: letsencrypt_live
+
+  - name: check for certificate renewal configuration
+    stat:
+      path: "/etc/letsencrypt/renewal/{{ main_subdomain }}.conf"
+      get_checksum: no
+      get_mime: no
+    register: letsencrypt_renewal
+
+  - name: Generate certificates if not already there
+    command:
+      cmd: "certbot certonly -d {{ full_subdomain_string }} --standalone --pre-hook /etc/letsencrypt/renewal-hooks/pre/haproxy.sh --post-hook /etc/letsencrypt/renewal-hooks/post/haproxy.sh --deploy-hook /etc/letsencrypt/renewal-hooks/deploy/haproxy.sh --agree-tos -m {{ letsencrypt_email }} -n -v"
+    when: not (letsencrypt_live.stat.exists and letsencrypt_renewal.stat.exists)
     notify:
     - restart haproxy
 
-- 
cgit v1.2.1