[Bug 986892] Re: mysql-server postrm breaks apparmor profile for later versions on purge

[Clint Byrum]

** Description changed:

+ [Test case]
+ Apparmor:
+ 1.Install dh-apparmor
+ 2. Build a package which build-depends on it (such as mysql-5.5)
+ 3. Extract debs which have dh_apparmor run on them into a dir in tmp with dpkg -e file.deb /tmp/foo
+ 4. Verify that the postrm has conditional logic to not remove the files under /etc/apparmor.d/*/* if the main profile exists.
+ 
+ Debhelper.
+ Same test case as above, but with debhelper providing dh_apparmor
+ 
+ MySQL 5.1 and MySQL 5.5 (oneiric, precise, lucid)
+ 1. install mysql-server
+ 2. check /var/lib/dpkg/info/mysql-server-5.1.postrm for conditional logic (change 5.1 to 5.5 for precise)
+ 3. for oneiric and lucid, upgrade to Ubuntu 12.04, verify that /etc/apparmor.d/local/usr.sbin.mysqld is still present.
+ 
+ [Regression Potential]
+ The logic is extremely straight forward, so regressions seem unlikely. Still, at worst, purging will leave behind some useless files in /etc/apparmor.d which should not be of much concern anyway.
+ 
+ == Original bug description ==
+ 
  After upgrading from Kubuntu 11.10 to 12.04 beta I found that mysql
  isn't running after booting the system
  
  In the syslog there is the following row
  Apr 22 18:04:13 deathworld kernel: [   15.848658] init: mysql pre-start process (1033) terminated with status 1
  
  I've tried to execute /etc/init/mysql.conf step by step and found that execution
  /lib/init/apparmor-profile-load usr.sbin.mysqld
  shows the following error:
  AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/usr.sbin.mysqld at line 44: Could not open 'local/usr.sbin.mysqld'
  It's line:
  #include <local/usr.sbin.mysqld>
  
  After removing this line mysql can start without any problems
  
- 
  Description:    Ubuntu 12.04 LTS
  Release:        12.04

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https://bugs.launchpad.net/bugs/986892

Title:
  mysql-server postrm breaks apparmor profile for later versions on
  purge

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