Public bug reported:
This package is missing the usr.sbin.mysqld AppArmor profile that ships
in mariadb-server-10.0 and mysql-server-5.7. As a result,
/usr/sbin/mysqld is unable to create files in /var/lib/percona-xtradb-
cluster/, and the service is unable to start.
Sep 15 14:15:56 ubuntu systemd[1]: Starting LSB: Start and stop the mysql
(Percona XtraDB Cluster) daemon...
Sep 15 14:15:56 ubuntu mysql[31797]: * Starting MySQL (Percona XtraDB Cluster)
database server mysqld
Sep 15 14:15:56 ubuntu /etc/init.d/mysql[31835]: MySQL PID not found, pid_file
detected/guessed: /var/run/mysqld/mysqld.pid
Sep 15 14:15:57 ubuntu kernel: [43130.482986] audit: type=1400
audit(1473948957.156:42): apparmor="DENIED" operation="mknod"
profile="/usr/sbin/mysqld"
name="/var/lib/percona-xtradb-cluster/daisy.lower-test" pid=32173 comm="mysqld"
requested_mask="c" denied_mask="c" fsuid=0 ouid=0
Sep 15 14:15:57 ubuntu kernel: [43130.483012] audit: type=1400
audit(1473948957.156:43): apparmor="DENIED" operation="mknod"
profile="/usr/sbin/mysqld"
name="/var/lib/percona-xtradb-cluster/daisy.lower-test" pid=32173 comm="mysqld"
requested_mask="c" denied_mask="c" fsuid=0 ouid=0
Sep 15 14:15:57 ubuntu kernel: [43130.499375] audit: type=1400
audit(1473948957.172:44): apparmor="DENIED" operation="mknod"
profile="/usr/sbin/mysqld" name="/var/lib/percona-xtradb-cluster/ibdata1"
pid=32173 comm="mysqld" requested_mask="c" denied_mask="c" fsuid=113 ouid=113
Sep 15 14:15:57 ubuntu mysql[31797]: * The server quit without updating PID
file (/var/run/mysqld/mysqld.pid).
Sep 15 14:15:57 ubuntu mysql[31797]: ...fail!
Sep 15 14:15:57 ubuntu systemd[1]: mysql.service: Control process exited,
code=exited status=1
Sep 15 14:15:57 ubuntu systemd[1]: Failed to start LSB: Start and stop the
mysql (Percona XtraDB Cluster) daemon.
Workarounds:
- set usr.sbin.mysqld profile into complain mode (not recommended)
- copy /etc/apparmor.d/usr.sbin.mysqld over from mariadb-server-10.0 or
mysql-server-5.7, AND fix the datadir (as pxc uses
/var/lib/percona-xtradb-cluster, rather than /var/lib/mysql).
** Affects: percona-xtradb-cluster-5.6 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1623964
Title:
Missing usr.sbin.mysqld AppArmor profile
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