File apparmor-enable-profile-cache.diff of Package apparmor.15509

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File apparmor-enable-profile-cache.diff of Package apparmor.15509

Enable caching of profiles.

This speeds up loading the (unchanged) profiles about 20 times.

Upstream doesn't enable caching because the cache directory is not
writeable at the time profiles are loaded in Ubuntu.

See also bnc#689458

Also set the cache location to /var/cache/apparmor/ (writeable) and
/usr/share/apparmor/cache/ (packaged precompiled cache), and adjust
the mount requirements in apparmor.service accordingly.

See boo#1069906 and boo#1074429

Signed-off by: Christian Boltz <apparmor@cboltz.de>

Index: parser/parser.conf
===================================================================
--- parser/parser.conf_ORIG	2018-04-19 22:47:18.485179998 +0200
+++ parser/parser.conf	2018-04-19 22:51:12.084588654 +0200
@@ -31,7 +31,10 @@
 # match-string "pattern=aadfa audit perms=crwxamlk/ user::other"
 
 ## Turn creating/updating of the cache on by default
-#write-cache
+write-cache
+
+# cache location (cache writes go to the first directory in the list)
+cache-loc /var/cache/apparmor,/usr/share/apparmor/cache
 
 ## Show cache hits
 #show-cache
--- parser/apparmor.service_ORIG	2018-04-19 22:58:12.631443321 +0200
+++ parser/apparmor.service	2018-04-19 22:58:47.903343044 +0200
@@ -4,7 +4,7 @@ DefaultDependencies=no
 Before=sysinit.target
 After=systemd-journald-audit.socket
 # profile cache
-After=var.mount var-lib.mount
+After=var.mount var-cache.mount usr.mount usr-share.mount
 ConditionSecurity=apparmor
 
 [Service]

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