# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/
user  nginx;
worker_processes  1;
error_log  /var/log/nginx16/error.log;
#error_log  /opt/rh/nginx16/root/var/log/nginx/error.log  notice;
#error_log  /opt/rh/nginx16/root/var/log/nginx/error.log  info;
pid        /opt/rh/nginx16/root/var/run/nginx/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /opt/rh/nginx16/root/etc/nginx/mime.types;
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log  /var/log/nginx16/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;
    
    #image cache
    proxy_cache_path /tmp/nginx levels=1:2 keys_zone=imgcache:10m inactive=60m;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    
    # glast-ground.conf, srs.conf, lsst-camera.conf, etc...
    include /opt/rh/nginx16/root/etc/nginx/conf.d/*.conf;

    server {
        listen       8180;
        server_name  localhost;
        location / {
            proxy_pass              http://scalnx-v01.slac.stanford.edu:8180;
            proxy_cache             imgcache;
            proxy_set_header        X-Real-IP $remote_addr;
            proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header        Host $http_host;
        }
    }
}

global_defs {
   notification_email {
     bvan@slac.stanford.edu
   }
   notification_email_from bvan@slac.stanford.edu
   smtp_server smtp.slac.stanford.edu  # Not sure if this works
   smtp_connect_timeout 30
   router_id SCA_WWW  # Not sure if this is used
}
 
# This is a health check script. Right now it just checks to see
# if nginx is up.
#
# Note on the weight: If the weight isn't enough to break a tie between
# the priority difference between sca-nginx01 and sca-nginx02, and
# nginx is down but sca-nginx01 is up, then requests
# may still go to sca-nginx01.
vrrp_script chk_nginx {
      script "killall -0 nginx"
      interval 2 # seconds
      weight 2 # points
}
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 85 # Random ID. We shouldn't have the same router id on the same subnet
    priority 100  # See note on weight above
    advert_int 1 # Advertisement interval (i.e. heartbeat seconds)
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        134.79.129.86
    }
    track_script {
         chk_nginx
    }
   unicast_src_ip 134.79.129.92   # Unicast specific option, this is the IP of the interface keepalived listens on
   unicast_peer {                 # Unicast specific option, this is the IP of the peer instance 
     134.79.129.91
   }
}