$ shadow shadow-nginx.yaml

error_log stderr;

# shadow wants to run nginx in the foreground
daemon off;

# shadow doesn't support fork()
master_process off;
worker_processes 0;

# don't use the system pid file
pid nginx.pid;

events {
  # we're not using any workers, so this is the maximum number
  # of simultaneous connections we can support
  worker_connections 1024;
}

http {
  include             /etc/nginx/mime.types;
  default_type        application/octet-stream;

  # shadow does not support sendfile() nor TCP_NODELAY
  sendfile off;
  tcp_nodelay off;

  access_log off;

  server {
    listen 80;

    location / {
      root /var/www/html;
      index index.nginx-debian.html;
    }
  }
}

options:
  stoptime: 10
topology:
- graphml: |
    <graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
      <key attr.name="packetloss" attr.type="double" for="edge" id="d4" />
      <key attr.name="latency" attr.type="double" for="edge" id="d3" />
      <key attr.name="bandwidthup" attr.type="int" for="node" id="d2" />
      <key attr.name="bandwidthdown" attr.type="int" for="node" id="d1" />
      <key attr.name="countrycode" attr.type="string" for="node" id="d0" />
      <graph edgedefault="undirected">
        <node id="poi-1">
          <data key="d0">US</data>
          <data key="d1">10240</data>
          <data key="d2">10240</data>
        </node>
        <edge source="poi-1" target="poi-1">
          <data key="d3">50.0</data>
          <data key="d4">0.0</data>
        </edge>
      </graph>
    </graphml>
plugins:
- id: nginx
  path: /usr/sbin/nginx
- id: curl
  path: /usr/bin/curl
hosts:
- id: server
  quantity: 1
  processes:
  - plugin: nginx
    starttime: 1
    arguments: -c /path/to/working-dir/nginx.conf -p /path/to/working-dir/shadow.data/hosts/server
- id: client
  quantity: 20
  processes:
  - plugin: curl
    starttime: 3
    arguments: server --verbose