Tighten mod_evasive restrictions for the main site

[chef.git] / roles / web-frontend.rb

diff --git a/roles/web-frontend.rb b/roles/web-frontend.rb
index 971a51b3744ed636d83f971cc97e8a56c8bf2fb3..8e8fa817d0381e095a29523c02f9e0ab42661e20 100644 (file)
--- a/roles/web-frontend.rb
+++ b/roles/web-frontend.rb
@@ -4,38 +4,52 @@ description "Role applied to all web/api frontend servers"
 default_attributes(
   :apache => {
     :mpm => "event",
 default_attributes(
   :apache => {
     :mpm => "event",

+    :evasive => {
+      :page_count => 30,
+      :site_count => 100,
+      :blocking_period => 30
+    },

     :event => {
     :event => {

-      :server_limit => 40,
-      :max_clients => 1000,
-      :min_spare_threads => 50,
-      :max_spare_threads => 150,
+      :server_limit => 20,
+      :max_request_workers => 1000,

       :threads_per_child => 50,
       :threads_per_child => 50,

-      :max_requests_per_child => 10000
+      :min_spare_threads => 50,
+      :max_spare_threads => 450,
+      :async_request_worker_factor => 4

     }
   },
   :logstash => {
     :forwarder => {
     }
   },
   :logstash => {
     :forwarder => {

-      :files => [
-        { :paths => ["/var/log/apache2/access.log"], :fields => { :type => "apache" } },
-        { :paths => ["/var/log/web/rails-logstash.log"], :fields => { :type => "rails" } }
+      "filebeat.inputs" => [
+        { "type" => "filestream", "id" => "apache", "paths" => ["/var/log/apache2/access.log"], "fields" => { "type" => "apache" }, "fields_under_root" => true },
+        { "type" => "filestream", "id" => "rails", "paths" => ["/var/log/web/rails-logstash.log"], "fields" => { "type" => "rails" }, "fields_under_root" => true }

       ]
     }
   },
       ]
     }
   },

+  :memcached => {
+    :memory_limit => 8192
+  },
+  :networking => {
+    :firewall => {
+      :http_rate_limit => "s:5/sec:30"
+    }
+  },

   :passenger => {
     :max_pool_size => 50
   },
   :exim => {
     :local_domains => ["messages.openstreetmap.org"],
   :passenger => {
     :max_pool_size => 50
   },
   :exim => {
     :local_domains => ["messages.openstreetmap.org"],

-    :trusted_users => ["rails"],

     :routes => {
       :messages => {
         :comment => "messages.openstreetmap.org",
         :domains => ["messages.openstreetmap.org"],
     :routes => {
       :messages => {
         :comment => "messages.openstreetmap.org",
         :domains => ["messages.openstreetmap.org"],

-        :command => "/usr/local/bin/passenger-ruby /srv/www.openstreetmap.org/rails/script/deliver-message $local_part",
+        :local_parts => ["${lookup{$local_part}lsearch*,ret=key{/etc/exim4/detaint}}"],
+        :command => "/usr/local/bin/deliver-message $local_part_data",

         :user => "rails",
         :group => "rails",
         :home_directory => "/srv/www.openstreetmap.org/rails",
         :user => "rails",
         :group => "rails",
         :home_directory => "/srv/www.openstreetmap.org/rails",

-        :path => "/bin:/usr/bin:/usr/local/bin"
+        :path => "/bin:/usr/bin:/usr/local/bin",
+        :case_sensitive => true

       }
     }
   }
       }
     }
   }