surok/docs/Templates.html

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Templates.html</title>
</head>
<body>
<h1>Templates</h1>
<!-- markdown-toc start - Don't edit this section. Run M-x markdown-toc-generate-toc again -->
**Table of Contents**
- [Templates](#templates)
- [my dictionary in templates](#my-dictionary-in-templates)
- [Real template example](#real-template-example)
- [Checks in template](#checks-in-template)
<!-- markdown-toc end -->
<p>Surok using Jinja2 for templates. <a href="http://jinja.pocoo.org/docs/dev/">Jinja2 documentation</a></p>
<h2>my dictionary in templates</h2>
<p><code>
{
"services": {
"nginx": [
{
"name": "nginx.testing-kl92-s0.marathon.mesos.",
"port": "31200",
"ip": ["10.10.10.1"]
},
{
"name": "nginx.testing-kl123-s1.marathon.mesos.",
"port": "32230",
"ip": ["10.10.10.2"]
}
],
"emailsender": [
{
"name": "emailsender.testing-kl92-s0.marathon.mesos.",
"port": "31201",
"ip": ["10.10.10.1"]
},
{
"name": "emailsender.testing-kl123-s1.marathon.mesos.",
"port": "32232",
"ip": ["10.10.10.1"]
}
],
"service-with-defined-ports": {
"web": [
{
"name": "f.q.d.n",
"port": 12341
}
],
"rpc": [
{
"name": "f.q.d.n",
"port": 12342
}
]
}
},
"env": {
"HOME": "/var/lib/nginx"
}
}
</code></p>
<h2>Real template example</h2>
<p>nginx config
```
upstream matrix-http {
hash $remote<em>addr;
{% for server in my['services']['matrix']['http'] %}
server {{server['name']}}:{{server['port']}} max</em>fails=3;
{% endfor %}
}</p>
<p>upstream riot-http {
hash $remote<em>addr;
{% for server in my['services']['riot'] %}
server {{server['name']}}:{{server['port']}} max</em>fails=3;
{% endfor %}
}</p>
<p>server {
listen 10.15.56.157:80;
server_name matrix.example.com;</p>
<pre><code>client_max_body_size 10m;
location / {
proxy_pass http://riot-http;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
location /_matrix/ {
proxy_pass http://matrix-http;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
</code></pre>
<p>}
```</p>
<h2>Checks in template</h2>
<p><em>my['env']</em> is a python os.environ class. Look bellow:
<code>
{% if my['env'].get('DB_HOST') %}
host = '{{my['env']['DB_HOST']}}'
{% else %}
host = 'localhost'
{% endif %}
</code></p>
</body>
</html>