5 files changed, 130 insertions, 0 deletions
diff --git a/roles/nginx/vhost/defaults/main.yml b/roles/nginx/vhost/defaults/main.yml
new file mode 100644
index 00000000..dfedb50b
--- /dev/null
+++ b/roles/nginx/vhost/defaults/main.yml
@@ -0,0 +1,13 @@
+---
+# nginx_vhost:
+#   name: example
+#   template: generic-proxy-no-buffering-with-acme
+#   acme: yes
+#   hostnames:
+#     - example.com
+#     - www.example.com
+#   proxy_pass: http://127.0.0.1:8080
+
+# nginx_vhost:
+#   name: other-example
+#   content: "<<< content of vhost >>>"
diff --git a/roles/nginx/vhost/handlers/main.yml b/roles/nginx/vhost/handlers/main.yml
new file mode 100644
index 00000000..d4e42ca0
--- /dev/null
+++ b/roles/nginx/vhost/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: reload nginx
+  service:
+    name: nginx
+    state: reloaded
diff --git a/roles/nginx/vhost/tasks/acme.yml b/roles/nginx/vhost/tasks/acme.yml
new file mode 100644
index 00000000..99ad7856
--- /dev/null
+++ b/roles/nginx/vhost/tasks/acme.yml
@@ -0,0 +1,44 @@
+---
+- name: check if acme certs already exist
+  loop: "{{ nginx_vhost.hostnames }}"
+  loop_control:
+    loop_var: acme_hostname
+  stat:
+    path: "/var/lib/acme/live/{{ acme_hostname }}"
+  register: acme_cert_stat
+
+- name: set acmecert_missing_hostnames variable
+  set_fact:
+    acmecert_missing_hostnames: "{{ acme_cert_stat.results | acme_cert_nonexistent(nginx_vhost.hostnames) }}"
+
+- name: link nonexistent hostnames to self-signed interim cert
+  when: acmecert_missing_hostnames | length > 0
+  block:
+    - name: get id of existing selfsigned interim certificate
+      command: cat /var/lib/acme/.selfsigned-interim-cert
+      changed_when: false
+      check_mode: false
+      register: selfsigned_interim_cert_id
+
+    - name: set selfsigned_interim_cert_id variable
+      set_fact:
+        selfsigned_interim_cert_id: "{{ selfsigned_interim_cert_id.stdout }}"
+
+    - name: link to snakeoil cert for nonexistent hostnames
+      loop: "{{ acmecert_missing_hostnames }}"
+      loop_control:
+        loop_var: acme_missing_hostname
+      file:
+        src: "../certs/{{ selfsigned_interim_cert_id }}"
+        dest: "/var/lib/acme/live/{{ acme_missing_hostname }}"
+        state: link
+
+- name: make sure nginx config has been (re)loaded
+  meta: flush_handlers
+
+- name: get certificate using acmetool
+  import_role:
+    name: acmetool/cert
+  vars:
+    acmetool_cert_name: "{{ nginx_vhost.hostnames[0] }}"
+    acmetool_cert_hostnames: "{{ nginx_vhost.hostnames }}"
diff --git a/roles/nginx/vhost/tasks/main.yml b/roles/nginx/vhost/tasks/main.yml
new file mode 100644
index 00000000..4de3393d
--- /dev/null
+++ b/roles/nginx/vhost/tasks/main.yml
@@ -0,0 +1,25 @@
+---
+- name: install nginx configs from template
+  when: "'template' in nginx_vhost"
+  template:
+    src: "{{ nginx_vhost.template }}.conf.j2"
+    dest: "/etc/nginx/sites-available/{{ nginx_vhost.name }}"
+  notify: reload nginx
+
+- name: install nginx configs from config data
+  when: "'content' in nginx_vhost"
+  copy:
+    content: "{{ nginx_vhost.content }}"
+    dest: "/etc/nginx/sites-available/{{ nginx_vhost.name }}"
+  notify: reload nginx
+
+- name: enable vhost config
+  file:
+    src: "../sites-available/{{ nginx_vhost.name }}"
+    dest: "/etc/nginx/sites-enabled/{{ nginx_vhost.name }}"
+    state: link
+  notify: reload nginx
+
+- name: generate acme certificate
+  when: "'acme' in nginx_vhost  and  nginx_vhost.acme"
+  include_tasks: acme.yml
diff --git a/roles/nginx/vhost/templates/generic-proxy-no-buffering-with-acme.conf.j2 b/roles/nginx/vhost/templates/generic-proxy-no-buffering-with-acme.conf.j2
new file mode 100644
index 00000000..55bd5ac6
--- /dev/null
+++ b/roles/nginx/vhost/templates/generic-proxy-no-buffering-with-acme.conf.j2
@@ -0,0 +1,43 @@
+server {
+    listen 80;
+    listen [::]:80;
+    server_name {{ nginx_vhost.hostnames | join(' ') }};
+
+    include snippets/acmetool.conf;
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+    server_name {{ nginx_vhost.hostnames | join(' ') }};
+
+    include snippets/acmetool.conf;
+    include snippets/ssl.conf;
+    ssl_certificate     /var/lib/acme/live/{{ nginx_vhost.hostnames[0] }}/fullchain;
+    ssl_certificate_key /var/lib/acme/live/{{ nginx_vhost.hostnames[0] }}/privkey;
+    include snippets/hsts.conf;
+
+    location / {
+        include snippets/proxy-nobuff.conf;
+{% if 'client_max_body_size' in nginx_vhost %}
+        client_max_body_size {{ nginx_vhost.client_max_body_size }};
+{% endif %}
+
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Ssl on;
+        proxy_set_header X-Forwarded-Port $server_port;
+
+        # for websockets
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+
+        proxy_pass {{ nginx_vhost.proxy_pass }};
+    }
+}