ebextension for varnish cache + mod_pagespeed

pagespeed_varnish_cache.config

files:
  "/etc/nginx/pagespeed.conf":
    owner: root
    group: root
    mode: "000644"
    content: |
      pagespeed on;

      # Needs to exist and be writable by nginx.  Use tmpfs for best performance.
      pagespeed FileCachePath /var/ngx_pagespeed_cache;

      # Ensure requests for pagespeed optimized resources go to the pagespeed handler
      # and no extraneous headers get set.
      location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
        add_header "" "";
      }
      location ~ "^/pagespeed_static/" { }
      location ~ "^/ngx_pagespeed_beacon$" { }

      pagespeed RewriteLevel CoreFilters;

  "/etc/varnish/default.vcl":
    owner: root
    group: root
    mode: "000644"
    content: |
      backend default {
        .host = "127.0.0.1";
        .port = "8082";
      }

      sub vcl_recv {
        if (req.url ~ "(time_nocache|other)"){
          return(pass);
        }
      }

      sub vcl_fetch {
        if (beresp.ttl < 60s) {
          set beresp.ttl = 60s;
        }
      }

      sub vcl_deliver {
        if (obj.hits > 0) {
          set resp.http.X-Cache = "HIT";
        } else {
          set resp.http.X-Cache = "MISS";
        }
      }

  "/tmp/45_nginx_pagespeed.sh":
    owner: root
    group: root
    mode: "000644"
    content: |
      #! /bin/bash

      CONFIGURED=`grep -c "include /etc/nginx/pagespeed.conf" /etc/nginx/conf.d/00_elastic_beanstalk_proxy.conf`

      if [ $CONFIGURED = 0 ]
        then
          sed -i '/listen 8080;/a \    include /etc/nginx/pagespeed.conf;\n' /etc/nginx/conf.d/00_elastic_beanstalk_proxy.conf
          sed -i 's/listen 8080/listen 8082/' /etc/nginx/conf.d/00_elastic_beanstalk_proxy.conf
          sed -i 's/VARNISH_LISTEN_PORT=6081/VARNISH_LISTEN_PORT=8080/' /etc/sysconfig/varnish
          logger -t nginx_pagespeed "varnish caching and pagespeed rules added"
          exit 0
        else
          logger -t nginx_pagespeed "varnish caching and pagespeed rules already set"
          exit 0
      fi

container_commands:
  00_appdeploy_rewrite_hook:
    command: cp -v /tmp/45_nginx_pagespeed.sh /opt/elasticbeanstalk/hooks/appdeploy/enact
  01_configdeploy_rewrite_hook:
    command: cp -v /tmp/45_nginx_pagespeed.sh /opt/elasticbeanstalk/hooks/configdeploy/enact
  02_rewrite_hook_perms:
    command: chmod 755 /opt/elasticbeanstalk/hooks/appdeploy/enact/45_nginx_pagespeed.sh /opt/elasticbeanstalk/hooks/configdeploy/enact/45_nginx_pagespeed.sh
  03_rewrite_hook_ownership:
    command: chown root:users /opt/elasticbeanstalk/hooks/appdeploy/enact/45_nginx_pagespeed.sh /opt/elasticbeanstalk/hooks/configdeploy/enact/45_nginx_pagespeed.sh