117 lines
2.6 KiB
Markdown
117 lines
2.6 KiB
Markdown
# Templates
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<!-- markdown-toc start - Don't edit this section. Run M-x markdown-toc-generate-toc again -->
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**Table of Contents**
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- [Templates](#templates)
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- [my dictionary in templates](#my-dictionary-in-templates)
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- [Real template example](#real-template-example)
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- [Checks in template](#checks-in-template)
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<!-- markdown-toc end -->
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Surok using Jinja2 for templates. [Jinja2 documentation](http://jinja.pocoo.org/docs/dev/)
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## my dictionary in templates
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```
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{
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"services": {
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"nginx": [
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{
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"name": "nginx.testing-kl92-s0.marathon.mesos.",
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"port": "31200",
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"ip": ["10.10.10.1"]
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},
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{
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"name": "nginx.testing-kl123-s1.marathon.mesos.",
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"port": "32230",
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"ip": ["10.10.10.2"]
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}
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],
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"emailsender": [
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{
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"name": "emailsender.testing-kl92-s0.marathon.mesos.",
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"port": "31201",
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"ip": ["10.10.10.1"]
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},
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{
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"name": "emailsender.testing-kl123-s1.marathon.mesos.",
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"port": "32232",
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"ip": ["10.10.10.1"]
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}
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],
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"service-with-defined-ports": {
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"web": [
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{
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"name": "f.q.d.n",
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"port": 12341
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}
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],
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"rpc": [
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{
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"name": "f.q.d.n",
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"port": 12342
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}
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]
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}
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},
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"env": {
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"HOME": "/var/lib/nginx"
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}
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}
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```
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## Real template example
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nginx config
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```
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upstream matrix-http {
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hash $remote_addr;
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{% for server in my['services']['matrix']['http'] %}
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server {{server['name']}}:{{server['port']}} max_fails=3;
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{% endfor %}
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}
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upstream riot-http {
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hash $remote_addr;
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{% for server in my['services']['riot'] %}
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server {{server['name']}}:{{server['port']}} max_fails=3;
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{% endfor %}
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}
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server {
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listen 10.15.56.157:80;
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server_name matrix.example.com;
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client_max_body_size 10m;
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location / {
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proxy_pass http://riot-http;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header Host $http_host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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}
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location /_matrix/ {
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proxy_pass http://matrix-http;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header Host $http_host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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}
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}
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```
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## Checks in template
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_my['env']_ is a python os.environ class. Look bellow:
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```
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{% if my['env'].get('DB_HOST') %}
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host = '{{my['env']['DB_HOST']}}'
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{% else %}
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host = 'localhost'
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{% endif %}
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```
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