add https playbook

4 files changed, 138 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 88a2f75..a139adc 100644
--- a/Makefile
+++ b/Makefile
@@ -37,3 +37,7 @@ security:
 .PHONY: http
 http:
 	$(BIN)/ansible-playbook -e @vault.yaml playbooks/http.yaml
+
+.PHONY: https
+https:
+	$(BIN)/ansible-playbook -e @vault.yaml playbooks/https.yaml
diff --git a/README.md b/README.md
index 9ad0779..e385b86 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ _Listed in applicable order._
 | `bootstrap`<sup>*</sup> | Bootstrap access   |
 | `security`              | Security hardening |
 | `http`                  | Web server         |
+| `https`                 | SSL certificates          |
 
 ### <sup>*</sup>Pre-bootstraped targets
 
diff --git a/playbooks/https.yaml b/playbooks/https.yaml
new file mode 100644
index 0000000..84146db
--- /dev/null
+++ b/playbooks/https.yaml
@@ -0,0 +1,73 @@
+- name: SSL certificates
+  hosts: hollyhock
+  become: true
+  tasks:
+    - name: Install certbot
+      community.general.snap:
+        name: certbot
+        classic: true
+        state: present
+
+    - name: Create symlink for certbot
+      ansible.builtin.file:
+        src: /snap/bin/certbot
+        dest: /usr/bin/certbot
+        state: link
+
+    - name: Allow https traffic through firewall
+      community.general.ufw:
+        rule: allow
+        port: 443
+        proto: tcp
+
+    - name: Generate certificates
+      ansible.builtin.command: |
+        certbot certonly --nginx --non-interactive --agree-tos --email {{ admin_email }}
+        {% for domain in item.domains %}-d {{ domain }} {% endfor %}
+      loop: "{{ sites }}"
+      register: ssl_certs
+      failed_when:
+        - ssl_certs.rc != 0
+        - "'Certificate not yet due for renewal' not in ssl_certs.stdout"
+        - "'Keeping the existing certificate' not in ssl_certs.stdout"
+      changed_when:
+        - "'Successfully received certificate' in ssl_certs.stdout"
+        - "'Deploying Certificate' in ssl_certs.stdout"
+
+    - name: Copy initial https sites
+      ansible.builtin.template:
+        src: nginx/https.conf.j2
+        dest: "/etc/nginx/sites-available/{{ item.name }}-https"
+        mode: "0644"
+      loop: "{{ sites }}"
+
+    - name: Disable http nginx sites
+      ansible.builtin.file:
+        path: "/etc/nginx/sites-enabled/{{ item.name }}-http"
+        state: absent
+      loop: "{{ sites }}"
+
+    - name: Check if final sites have been enabled
+      ansible.builtin.stat:
+        path: "/etc/nginx/sites-enabled/{{ item.name }}"
+      register: final_sites
+      loop: "{{ sites }}"
+
+    - name: Enable https sites
+      ansible.builtin.file:
+        src: "/etc/nginx/sites-available/{{ item.item.name }}-https"
+        dest: "/etc/nginx/sites-enabled/{{ item.item.name }}-https"
+        state: link
+      loop: "{{ final_sites.results }}"
+      when: not item.stat.exists
+      notify: Test and restart nginx
+
+    - name: Enable certbot timer
+      ansible.builtin.systemd:
+        name: snap.certbot.renew.timer
+        enabled: true
+        state: started
+
+  handlers:
+    - name: Test and restart nginx
+      ansible.builtin.include_tasks: tasks/test_and_restart_nginx.yaml
diff --git a/playbooks/templates/nginx/https.conf.j2 b/playbooks/templates/nginx/https.conf.j2
new file mode 100644
index 0000000..4962040
--- /dev/null
+++ b/playbooks/templates/nginx/https.conf.j2
@@ -0,0 +1,60 @@
+server {
+    server_name {{ item.domains | join(' ') }};
+
+    listen 80;
+    listen [::]:80;
+
+    return 301 https://$host$request_uri;
+}
+
+server {
+    server_name {{ item.domains | join(' ') }};
+
+    listen 443 ssl;
+    listen [::]:443 ssl;
+
+    root /var/www/html;
+    index index.nginx-debian.html;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    ssl_certificate /etc/letsencrypt/live/{{ item.domains[0] }}/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/{{ item.domains[0] }}/privkey.pem;
+    include /etc/letsencrypt/options-ssl-nginx.conf;
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+    access_log /var/log/nginx/{{ item.name }}/access.log;
+    error_log /var/log/nginx/{{ item.name }}/error.log;
+}
+server {
+    server_name {{ item.domains | join(' ') }};
+
+    listen 80;
+    listen [::]:80;
+
+    return 301 https://$host$request_uri;
+}
+
+server {
+    server_name {{ item.domains | join(' ') }};
+
+    listen 443 ssl;
+    listen [::]:443 ssl;
+
+    root /var/www/html;
+    index index.nginx-debian.html;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    ssl_certificate /etc/letsencrypt/live/{{ item.domains[0] }}/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/{{ item.domains[0] }}/privkey.pem;
+    include /etc/letsencrypt/options-ssl-nginx.conf;
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+    access_log /var/log/nginx/{{ item.name }}/access.log;
+    error_log /var/log/nginx/{{ item.name }}/error.log;
+}