From a8116343fd31737660b56357f4179f7cf2584255 Mon Sep 17 00:00:00 2001
From: Dan Fandrich <danf@mageia.org>
Date: Tue, 15 Oct 2024 13:35:47 -0700
Subject: Enable transparent compression on Apache (mga#6969)

This will increase CPU usage somewhat, but the reduction in required
bandwidth ought to make it a win for users. The compression level is set
to the lowest setting to keep CPU usage down.
---
 modules/apache/manifests/base.pp             |  2 ++
 modules/apache/templates/50_mod_deflate.conf | 36 ++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 modules/apache/templates/50_mod_deflate.conf

(limited to 'modules')

diff --git a/modules/apache/manifests/base.pp b/modules/apache/manifests/base.pp
index b24b740e..9190867a 100644
--- a/modules/apache/manifests/base.pp
+++ b/modules/apache/manifests/base.pp
@@ -40,6 +40,8 @@ class apache::base {
         '/etc/httpd/conf/vhosts.d/00_default_vhosts.conf':
             content => template('apache/00_default_vhosts.conf'),
             require => Package[$apache::var::pkg_conf];
+        '/etc/httpd/conf/modules.d/50_mod_deflate.conf':
+            content => template('apache/50_mod_deflate.conf');
     }
 
     file { '/etc/logrotate.d/httpd':
diff --git a/modules/apache/templates/50_mod_deflate.conf b/modules/apache/templates/50_mod_deflate.conf
new file mode 100644
index 00000000..09edf006
--- /dev/null
+++ b/modules/apache/templates/50_mod_deflate.conf
@@ -0,0 +1,36 @@
+<IfModule mod_deflate.c>
+  # Compress HTML, CSS, JavaScript, Text, XML and fonts
+  AddOutputFilterByType DEFLATE application/javascript
+  AddOutputFilterByType DEFLATE application/json
+  AddOutputFilterByType DEFLATE application/rss+xml
+  AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
+  AddOutputFilterByType DEFLATE application/x-font
+  AddOutputFilterByType DEFLATE application/x-font-opentype
+  AddOutputFilterByType DEFLATE application/x-font-otf
+  AddOutputFilterByType DEFLATE application/x-font-truetype
+  AddOutputFilterByType DEFLATE application/x-font-ttf
+  AddOutputFilterByType DEFLATE application/x-javascript
+  AddOutputFilterByType DEFLATE application/xhtml+xml
+  AddOutputFilterByType DEFLATE application/xml
+  AddOutputFilterByType DEFLATE font/opentype
+  AddOutputFilterByType DEFLATE font/otf
+  AddOutputFilterByType DEFLATE font/ttf
+  AddOutputFilterByType DEFLATE image/svg+xml
+  AddOutputFilterByType DEFLATE image/x-icon
+  AddOutputFilterByType DEFLATE text/css
+  AddOutputFilterByType DEFLATE text/html
+  AddOutputFilterByType DEFLATE text/javascript
+  AddOutputFilterByType DEFLATE text/plain
+  AddOutputFilterByType DEFLATE text/xml
+
+  # Level of compression (9=highest compression level)
+  DeflateCompressionLevel 1
+
+  # Do not compress certain file types
+  SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png|heif|heic|webp|mp4|mov|mpg|webm|avi)$ no-gzip dont-vary
+  SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|xz|zst|lzo|lzma|sit|rar|cab|rpm)$ no-gzip dont-vary
+  SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
+
+  # Make sure proxies don't deliver the wrong content
+  Header append Vary User-Agent env=!dont-vary
+</IfModule>
-- 
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