apache: set our correct defaults for mod_evasive

[chef.git] / cookbooks / apache / recipes / default.rb

diff --git a/cookbooks/apache/recipes/default.rb b/cookbooks/apache/recipes/default.rb
index 2d353950ee71d011fda03c4137fe3e571fc3d5e8..6fdafa02ef2a9a83f8c127d87d61234ba7145ba0 100644 (file)
--- a/cookbooks/apache/recipes/default.rb
+++ b/cookbooks/apache/recipes/default.rb
@@ -1,14 +1,14 @@
 #
-# Cookbook Name:: apache
+# Cookbook:: apache
 # Recipe:: default
 #
-# Copyright 2011, OpenStreetMap Foundation
+# Copyright:: 2011, OpenStreetMap Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,48 +17,49 @@
 # limitations under the License.
 #
 
-package "apache2"
+include_recipe "fail2ban"
+include_recipe "munin"
+include_recipe "prometheus"
+include_recipe "ssl"
 
-if node[:lsb][:release].to_f < 14.04
-  package "apache2-mpm-#{node[:apache][:mpm]}" do
-    notifies :restart, "service[apache2]"
-  end
-else
-  ["event", "itk", "prefork", "worker"].each do |mpm|
-    if mpm == node[:apache][:mpm]
-      apache_module mpm do
-        action [ :install, :enable ]
-        package "apache2-mpm-#{node[:apache][:mpm]}"
-      end
-    else
-      apache_module mpm do
-        action [ :disable ]
-        package "apache2-mpm-#{node[:apache][:mpm]}"
-      end
-    end
+package %w[
+  apache2
+  libwww-perl
+]
+
+%w[event itk prefork worker].each do |mpm|
+  next if mpm == node[:apache][:mpm]
+
+  apache_module "mpm_#{mpm}" do
+    action [:disable]
   end
 end
 
+apache_module "mpm_#{node[:apache][:mpm]}" do
+  action [:enable]
+end
+
+apache_module "http2"
+
 admins = data_bag_item("apache", "admins")
 
-template "/etc/apache2/httpd.conf" do
-  source "httpd.conf.erb"
-  owner "root"
-  group "root"
-  mode 0644
+apache_conf "httpd" do
+  template "httpd.conf.erb"
+  notifies :reload, "service[apache2]"
 end
 
 template "/etc/apache2/ports.conf" do
   source "ports.conf.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode "644"
 end
 
-service "apache2" do
-  action [ :enable, :start ]
-  supports :status => true, :restart => true, :reload => true
-  subscribes :reload, "template[/etc/apache2/httpd.conf]"
+systemd_service "apache2" do
+  dropin "chef"
+  memory_high "50%"
+  memory_max "75%"
+  notifies :restart, "service[apache2]"
 end
 
 apache_module "info" do
@@ -71,10 +72,72 @@ apache_module "status" do
   variables :hosts => admins["hosts"]
 end
 
-apache_module "reqtimeout" do
-  action [ :disable ]
+if node[:apache][:evasive][:enable]
+  apache_module "evasive" do
+    conf "evasive.conf.erb"
+  end
+else
+  apache_module "evasive" do
+    action :disable
+  end
+end
+
+apache_module "brotli" do
+  conf "brotli.conf.erb"
+end
+
+apache_module "deflate" do
+  conf "deflate.conf.erb"
+end
+
+apache_module "headers"
+apache_module "ssl"
+
+apache_conf "ssl" do
+  template "ssl.erb"
+end
+
+# Apache should only be started after modules enabled
+service "apache2" do
+  action [:enable, :start]
+  retries 2
+  retry_delay 10
+  supports :status => true, :restart => true, :reload => true
+end
+
+fail2ban_filter "apache-forbidden" do
+  action :delete
+end
+
+fail2ban_jail "apache-forbidden" do
+  action :delete
+end
+
+fail2ban_filter "apache-evasive" do
+  failregex "^Blacklisting address <ADDR>: possible DoS attack\.$"
+end
+
+fail2ban_jail "apache-evasive" do
+  filter "apache-evasive"
+  backend "systemd"
+  journalmatch "_SYSTEMD_UNIT=apache2.service SYSLOG_IDENTIFIER=mod_evasive"
+  ports [80, 443]
+  findtime "10m"
+  maxretry 3
 end
 
 munin_plugin "apache_accesses"
 munin_plugin "apache_processes"
 munin_plugin "apache_volume"
+
+template "/var/lib/prometheus/node-exporter/apache.prom" do
+  source "apache.prom.erb"
+  owner "root"
+  group "root"
+  mode "644"
+end
+
+prometheus_exporter "apache" do
+  port 9117
+  options "--scrape_uri=http://localhost/server-status?auto"
+end