From 309105d948525aa57551f39c0a6855272004bb91 Mon Sep 17 00:00:00 2001
From: Mephisto <mephisto@mephis.to>
Date: Tue, 24 Nov 2020 18:22:03 +0100
Subject: [PATCH] Add NGINX Role tailored for stateserver usage

---
 host_vars/stats.regensburg.freifunk.net |  2 ++
 roles/web_stats/handlers/main.yml       |  7 +++++
 roles/web_stats/meta/main.yml           |  5 ++++
 roles/web_stats/tasks/main.yml          | 26 ++++++++++++++++++
 roles/web_stats/templates/certs.j2      | 15 +++++++++++
 roles/web_stats/templates/vhost.j2      | 36 +++++++++++++++++++++++++
 site.yml                                |  1 +
 7 files changed, 92 insertions(+)
 create mode 100644 roles/web_stats/handlers/main.yml
 create mode 100644 roles/web_stats/meta/main.yml
 create mode 100644 roles/web_stats/tasks/main.yml
 create mode 100644 roles/web_stats/templates/certs.j2
 create mode 100644 roles/web_stats/templates/vhost.j2

diff --git a/host_vars/stats.regensburg.freifunk.net b/host_vars/stats.regensburg.freifunk.net
index 5132d99..8a16921 100644
--- a/host_vars/stats.regensburg.freifunk.net
+++ b/host_vars/stats.regensburg.freifunk.net
@@ -19,6 +19,8 @@ yanic_database_delete_after: 720d
 
 yanic_dbc_repondd_enable: false
 
+nginx_ssl: true
+
 yanic_influxdb:
 - enable: true
   host: http://127.0.0.1:8086
diff --git a/roles/web_stats/handlers/main.yml b/roles/web_stats/handlers/main.yml
new file mode 100644
index 0000000..ff936dd
--- /dev/null
+++ b/roles/web_stats/handlers/main.yml
@@ -0,0 +1,7 @@
+---
+
+- name: Restart nginx
+  service: name=nginx state=restarted
+
+- name: Run acertmgr
+  command: /usr/bin/acertmgr
diff --git a/roles/web_stats/meta/main.yml b/roles/web_stats/meta/main.yml
new file mode 100644
index 0000000..8fcf724
--- /dev/null
+++ b/roles/web_stats/meta/main.yml
@@ -0,0 +1,5 @@
+---
+
+dependencies:
+- { role: acertmgr }
+- { role: nginx, nginx_ssl: True }
diff --git a/roles/web_stats/tasks/main.yml b/roles/web_stats/tasks/main.yml
new file mode 100644
index 0000000..fe734a8
--- /dev/null
+++ b/roles/web_stats/tasks/main.yml
@@ -0,0 +1,26 @@
+---
+
+- name: Ensure certificates are available
+  command:
+    cmd: >
+      openssl req -x509 -nodes -newkey rsa:2048
+      -keyout /etc/nginx/ssl/{{ ansible_fqdn }}.key
+      -out /etc/nginx/ssl/{{ ansible_fqdn }}.crt
+      -days 730 -subj "/CN={{ ansible_fqdn }}"
+    creates: /etc/nginx/ssl/{{ ansible_fqdn }}.crt
+  notify: Restart nginx
+
+- name: Create web content directory
+  file: path=/var/www/html state=directory mode=0755
+
+- name: Configure certificate manager
+  template: src=certs.j2 dest=/etc/acertmgr/{{ ansible_fqdn }}.conf
+  notify: Run acertmgr
+
+- name: Configure vhosts
+  template: src=vhost.j2 dest=/etc/nginx/sites-available/www
+  notify: Restart nginx
+
+- name: Enable vhosts
+  file: src=/etc/nginx/sites-available/www dest=/etc/nginx/sites-enabled/www state=link
+  notify: Restart nginx
diff --git a/roles/web_stats/templates/certs.j2 b/roles/web_stats/templates/certs.j2
new file mode 100644
index 0000000..406db07
--- /dev/null
+++ b/roles/web_stats/templates/certs.j2
@@ -0,0 +1,15 @@
+---
+
+{{ ansible_fqdn }}:
+- path: /etc/nginx/ssl/{{ ansible_fqdn }}.crt
+  user: root
+  group: root
+  perm: '400'
+  format: crt,ca
+  action: '/usr/sbin/service nginx restart'
+- path: /etc/nginx/ssl/{{ ansible_fqdn }}.key
+  user: root
+  group: root
+  perm: '400'
+  format: key
+  action: '/usr/sbin/service nginx restart'
diff --git a/roles/web_stats/templates/vhost.j2 b/roles/web_stats/templates/vhost.j2
new file mode 100644
index 0000000..3a5b5a0
--- /dev/null
+++ b/roles/web_stats/templates/vhost.j2
@@ -0,0 +1,36 @@
+server {
+	listen 80;
+	listen [::]:80;
+
+	proxy_set_header X-Forwarded-For $remote_addr;
+
+	server_name _;
+
+	location /.well-known/acme-challenge {
+		default_type "text/plain";
+		alias /var/www/acme-challenge;
+	}
+	root /var/www/html;
+
+}
+
+server {
+	listen 443 ssl http2;
+	listen [::]:443 ssl http2;
+
+	proxy_set_header X-Forwarded-For $remote_addr;
+
+	server_name {{ ansible_fqdn }};
+
+	ssl_certificate_key /etc/nginx/ssl/{{ ansible_fqdn }}.key;
+	ssl_certificate /etc/nginx/ssl/{{ ansible_fqdn }}.crt;
+
+	root /var/www/html;
+
+	location / {
+		proxy_pass http://localhost:3000/
+	}
+	location /meshviewer {
+		alias /var/www/html/meshviewer;
+	}
+}
diff --git a/site.yml b/site.yml
index 714bd40..6730ab0 100644
--- a/site.yml
+++ b/site.yml
@@ -37,6 +37,7 @@
   - influxdb
   - grafana
   - yanic
+  - web_stats
 
 - name: Setup name servers
   hosts: ns1.regensburg.freifunk.net